--- /dev/null
+#define USE_THE_INDEX_COMPATIBILITY_MACROS
+#include "builtin.h"
+#include "config.h"
+#include "parse-options.h"
+#include "refs.h"
+#include "lockfile.h"
+#include "cache-tree.h"
+#include "unpack-trees.h"
+#include "merge-recursive.h"
+#include "argv-array.h"
+#include "run-command.h"
+#include "dir.h"
+#include "rerere.h"
+#include "revision.h"
+#include "log-tree.h"
+#include "diffcore.h"
+#include "exec-cmd.h"
+
+#define INCLUDE_ALL_FILES 2
+
+static const char * const git_stash_usage[] = {
+ N_("git stash list [<options>]"),
+ N_("git stash show [<options>] [<stash>]"),
+ N_("git stash drop [-q|--quiet] [<stash>]"),
+ N_("git stash ( pop | apply ) [--index] [-q|--quiet] [<stash>]"),
+ N_("git stash branch <branchname> [<stash>]"),
+ N_("git stash clear"),
+ N_("git stash [push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n"
+ " [-u|--include-untracked] [-a|--all] [-m|--message <message>]\n"
+ " [--] [<pathspec>...]]"),
+ N_("git stash save [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n"
+ " [-u|--include-untracked] [-a|--all] [<message>]"),
+ NULL
+};
+
+static const char * const git_stash_list_usage[] = {
+ N_("git stash list [<options>]"),
+ NULL
+};
+
+static const char * const git_stash_show_usage[] = {
+ N_("git stash show [<options>] [<stash>]"),
+ NULL
+};
+
+static const char * const git_stash_drop_usage[] = {
+ N_("git stash drop [-q|--quiet] [<stash>]"),
+ NULL
+};
+
+static const char * const git_stash_pop_usage[] = {
+ N_("git stash pop [--index] [-q|--quiet] [<stash>]"),
+ NULL
+};
+
+static const char * const git_stash_apply_usage[] = {
+ N_("git stash apply [--index] [-q|--quiet] [<stash>]"),
+ NULL
+};
+
+static const char * const git_stash_branch_usage[] = {
+ N_("git stash branch <branchname> [<stash>]"),
+ NULL
+};
+
+static const char * const git_stash_clear_usage[] = {
+ N_("git stash clear"),
+ NULL
+};
+
+static const char * const git_stash_store_usage[] = {
+ N_("git stash store [-m|--message <message>] [-q|--quiet] <commit>"),
+ NULL
+};
+
+static const char * const git_stash_push_usage[] = {
+ N_("git stash [push [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n"
+ " [-u|--include-untracked] [-a|--all] [-m|--message <message>]\n"
+ " [--] [<pathspec>...]]"),
+ NULL
+};
+
+static const char * const git_stash_save_usage[] = {
+ N_("git stash save [-p|--patch] [-k|--[no-]keep-index] [-q|--quiet]\n"
+ " [-u|--include-untracked] [-a|--all] [<message>]"),
+ NULL
+};
+
+static const char *ref_stash = "refs/stash";
+static struct strbuf stash_index_path = STRBUF_INIT;
+
+/*
+ * w_commit is set to the commit containing the working tree
+ * b_commit is set to the base commit
+ * i_commit is set to the commit containing the index tree
+ * u_commit is set to the commit containing the untracked files tree
+ * w_tree is set to the working tree
+ * b_tree is set to the base tree
+ * i_tree is set to the index tree
+ * u_tree is set to the untracked files tree
+ */
+struct stash_info {
+ struct object_id w_commit;
+ struct object_id b_commit;
+ struct object_id i_commit;
+ struct object_id u_commit;
+ struct object_id w_tree;
+ struct object_id b_tree;
+ struct object_id i_tree;
+ struct object_id u_tree;
+ struct strbuf revision;
+ int is_stash_ref;
+ int has_u;
+};
+
+static void free_stash_info(struct stash_info *info)
+{
+ strbuf_release(&info->revision);
+}
+
+static void assert_stash_like(struct stash_info *info, const char *revision)
+{
+ if (get_oidf(&info->b_commit, "%s^1", revision) ||
+ get_oidf(&info->w_tree, "%s:", revision) ||
+ get_oidf(&info->b_tree, "%s^1:", revision) ||
+ get_oidf(&info->i_tree, "%s^2:", revision))
+ die(_("'%s' is not a stash-like commit"), revision);
+}
+
+static int get_stash_info(struct stash_info *info, int argc, const char **argv)
+{
+ int ret;
+ char *end_of_rev;
+ char *expanded_ref;
+ const char *revision;
+ const char *commit = NULL;
+ struct object_id dummy;
+ struct strbuf symbolic = STRBUF_INIT;
+
+ if (argc > 1) {
+ int i;
+ struct strbuf refs_msg = STRBUF_INIT;
+
+ for (i = 0; i < argc; i++)
+ strbuf_addf(&refs_msg, " '%s'", argv[i]);
+
+ fprintf_ln(stderr, _("Too many revisions specified:%s"),
+ refs_msg.buf);
+ strbuf_release(&refs_msg);
+
+ return -1;
+ }
+
+ if (argc == 1)
+ commit = argv[0];
+
+ strbuf_init(&info->revision, 0);
+ if (!commit) {
+ if (!ref_exists(ref_stash)) {
+ free_stash_info(info);
+ fprintf_ln(stderr, _("No stash entries found."));
+ return -1;
+ }
+
+ strbuf_addf(&info->revision, "%s@{0}", ref_stash);
+ } else if (strspn(commit, "0123456789") == strlen(commit)) {
+ strbuf_addf(&info->revision, "%s@{%s}", ref_stash, commit);
+ } else {
+ strbuf_addstr(&info->revision, commit);
+ }
+
+ revision = info->revision.buf;
+
+ if (get_oid(revision, &info->w_commit)) {
+ error(_("%s is not a valid reference"), revision);
+ free_stash_info(info);
+ return -1;
+ }
+
+ assert_stash_like(info, revision);
+
+ info->has_u = !get_oidf(&info->u_tree, "%s^3:", revision);
+
+ end_of_rev = strchrnul(revision, '@');
+ strbuf_add(&symbolic, revision, end_of_rev - revision);
+
+ ret = dwim_ref(symbolic.buf, symbolic.len, &dummy, &expanded_ref);
+ strbuf_release(&symbolic);
+ switch (ret) {
+ case 0: /* Not found, but valid ref */
+ info->is_stash_ref = 0;
+ break;
+ case 1:
+ info->is_stash_ref = !strcmp(expanded_ref, ref_stash);
+ break;
+ default: /* Invalid or ambiguous */
+ free_stash_info(info);
+ }
+
+ free(expanded_ref);
+ return !(ret == 0 || ret == 1);
+}
+
+static int do_clear_stash(void)
+{
+ struct object_id obj;
+ if (get_oid(ref_stash, &obj))
+ return 0;
+
+ return delete_ref(NULL, ref_stash, &obj, 0);
+}
+
+static int clear_stash(int argc, const char **argv, const char *prefix)
+{
+ struct option options[] = {
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_clear_usage,
+ PARSE_OPT_STOP_AT_NON_OPTION);
+
+ if (argc)
+ return error(_("git stash clear with parameters is "
+ "unimplemented"));
+
+ return do_clear_stash();
+}
+
+static int reset_tree(struct object_id *i_tree, int update, int reset)
+{
+ int nr_trees = 1;
+ struct unpack_trees_options opts;
+ struct tree_desc t[MAX_UNPACK_TREES];
+ struct tree *tree;
+ struct lock_file lock_file = LOCK_INIT;
+
+ read_cache_preload(NULL);
+ if (refresh_cache(REFRESH_QUIET))
+ return -1;
+
+ hold_locked_index(&lock_file, LOCK_DIE_ON_ERROR);
+
+ memset(&opts, 0, sizeof(opts));
+
+ tree = parse_tree_indirect(i_tree);
+ if (parse_tree(tree))
+ return -1;
+
+ init_tree_desc(t, tree->buffer, tree->size);
+
+ opts.head_idx = 1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.merge = 1;
+ opts.reset = reset;
+ opts.update = update;
+ opts.fn = oneway_merge;
+
+ if (unpack_trees(nr_trees, t, &opts))
+ return -1;
+
+ if (write_locked_index(&the_index, &lock_file, COMMIT_LOCK))
+ return error(_("unable to write new index file"));
+
+ return 0;
+}
+
+static int diff_tree_binary(struct strbuf *out, struct object_id *w_commit)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ const char *w_commit_hex = oid_to_hex(w_commit);
+
+ /*
+ * Diff-tree would not be very hard to replace with a native function,
+ * however it should be done together with apply_cached.
+ */
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "diff-tree", "--binary", NULL);
+ argv_array_pushf(&cp.args, "%s^2^..%s^2", w_commit_hex, w_commit_hex);
+
+ return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
+}
+
+static int apply_cached(struct strbuf *out)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * Apply currently only reads either from stdin or a file, thus
+ * apply_all_patches would have to be updated to optionally take a
+ * buffer.
+ */
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "apply", "--cached", NULL);
+ return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0);
+}
+
+static int reset_head(void)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * Reset is overall quite simple, however there is no current public
+ * API for resetting.
+ */
+ cp.git_cmd = 1;
+ argv_array_push(&cp.args, "reset");
+
+ return run_command(&cp);
+}
+
+static void add_diff_to_buf(struct diff_queue_struct *q,
+ struct diff_options *options,
+ void *data)
+{
+ int i;
+
+ for (i = 0; i < q->nr; i++) {
+ strbuf_addstr(data, q->queue[i]->one->path);
+
+ /* NUL-terminate: will be fed to update-index -z */
+ strbuf_addch(data, '\0');
+ }
+}
+
+static int get_newly_staged(struct strbuf *out, struct object_id *c_tree)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ const char *c_tree_hex = oid_to_hex(c_tree);
+
+ /*
+ * diff-index is very similar to diff-tree above, and should be
+ * converted together with update_index.
+ */
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "diff-index", "--cached", "--name-only",
+ "--diff-filter=A", NULL);
+ argv_array_push(&cp.args, c_tree_hex);
+ return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
+}
+
+static int update_index(struct strbuf *out)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * Update-index is very complicated and may need to have a public
+ * function exposed in order to remove this forking.
+ */
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "update-index", "--add", "--stdin", NULL);
+ return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0);
+}
+
+static int restore_untracked(struct object_id *u_tree)
+{
+ int res;
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * We need to run restore files from a given index, but without
+ * affecting the current index, so we use GIT_INDEX_FILE with
+ * run_command to fork processes that will not interfere.
+ */
+ cp.git_cmd = 1;
+ argv_array_push(&cp.args, "read-tree");
+ argv_array_push(&cp.args, oid_to_hex(u_tree));
+ argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+ if (run_command(&cp)) {
+ remove_path(stash_index_path.buf);
+ return -1;
+ }
+
+ child_process_init(&cp);
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "checkout-index", "--all", NULL);
+ argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+
+ res = run_command(&cp);
+ remove_path(stash_index_path.buf);
+ return res;
+}
+
+static int do_apply_stash(const char *prefix, struct stash_info *info,
+ int index, int quiet)
+{
+ int ret;
+ int has_index = index;
+ struct merge_options o;
+ struct object_id c_tree;
+ struct object_id index_tree;
+ struct commit *result;
+ const struct object_id *bases[1];
+
+ read_cache_preload(NULL);
+ if (refresh_cache(REFRESH_QUIET))
+ return -1;
+
+ if (write_cache_as_tree(&c_tree, 0, NULL))
+ return error(_("cannot apply a stash in the middle of a merge"));
+
+ if (index) {
+ if (oideq(&info->b_tree, &info->i_tree) ||
+ oideq(&c_tree, &info->i_tree)) {
+ has_index = 0;
+ } else {
+ struct strbuf out = STRBUF_INIT;
+
+ if (diff_tree_binary(&out, &info->w_commit)) {
+ strbuf_release(&out);
+ return error(_("could not generate diff %s^!."),
+ oid_to_hex(&info->w_commit));
+ }
+
+ ret = apply_cached(&out);
+ strbuf_release(&out);
+ if (ret)
+ return error(_("conflicts in index."
+ "Try without --index."));
+
+ discard_cache();
+ read_cache();
+ if (write_cache_as_tree(&index_tree, 0, NULL))
+ return error(_("could not save index tree"));
+
+ reset_head();
+ }
+ }
+
+ if (info->has_u && restore_untracked(&info->u_tree))
+ return error(_("could not restore untracked files from stash"));
+
+ init_merge_options(&o, the_repository);
+
+ o.branch1 = "Updated upstream";
+ o.branch2 = "Stashed changes";
+
+ if (oideq(&info->b_tree, &c_tree))
+ o.branch1 = "Version stash was based on";
+
+ if (quiet)
+ o.verbosity = 0;
+
+ if (o.verbosity >= 3)
+ printf_ln(_("Merging %s with %s"), o.branch1, o.branch2);
+
+ bases[0] = &info->b_tree;
+
+ ret = merge_recursive_generic(&o, &c_tree, &info->w_tree, 1, bases,
+ &result);
+ if (ret) {
+ rerere(0);
+
+ if (index)
+ fprintf_ln(stderr, _("Index was not unstashed."));
+
+ return ret;
+ }
+
+ if (has_index) {
+ if (reset_tree(&index_tree, 0, 0))
+ return -1;
+ } else {
+ struct strbuf out = STRBUF_INIT;
+
+ if (get_newly_staged(&out, &c_tree)) {
+ strbuf_release(&out);
+ return -1;
+ }
+
+ if (reset_tree(&c_tree, 0, 1)) {
+ strbuf_release(&out);
+ return -1;
+ }
+
+ ret = update_index(&out);
+ strbuf_release(&out);
+ if (ret)
+ return -1;
+
+ discard_cache();
+ }
+
+ if (quiet) {
+ if (refresh_cache(REFRESH_QUIET))
+ warning("could not refresh index");
+ } else {
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * Status is quite simple and could be replaced with calls to
+ * wt_status in the future, but it adds complexities which may
+ * require more tests.
+ */
+ cp.git_cmd = 1;
+ cp.dir = prefix;
+ argv_array_push(&cp.args, "status");
+ run_command(&cp);
+ }
+
+ return 0;
+}
+
+static int apply_stash(int argc, const char **argv, const char *prefix)
+{
+ int ret;
+ int quiet = 0;
+ int index = 0;
+ struct stash_info info;
+ struct option options[] = {
+ OPT__QUIET(&quiet, N_("be quiet, only report errors")),
+ OPT_BOOL(0, "index", &index,
+ N_("attempt to recreate the index")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_apply_usage, 0);
+
+ if (get_stash_info(&info, argc, argv))
+ return -1;
+
+ ret = do_apply_stash(prefix, &info, index, quiet);
+ free_stash_info(&info);
+ return ret;
+}
+
+static int do_drop_stash(const char *prefix, struct stash_info *info, int quiet)
+{
+ int ret;
+ struct child_process cp_reflog = CHILD_PROCESS_INIT;
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ /*
+ * reflog does not provide a simple function for deleting refs. One will
+ * need to be added to avoid implementing too much reflog code here
+ */
+
+ cp_reflog.git_cmd = 1;
+ argv_array_pushl(&cp_reflog.args, "reflog", "delete", "--updateref",
+ "--rewrite", NULL);
+ argv_array_push(&cp_reflog.args, info->revision.buf);
+ ret = run_command(&cp_reflog);
+ if (!ret) {
+ if (!quiet)
+ printf_ln(_("Dropped %s (%s)"), info->revision.buf,
+ oid_to_hex(&info->w_commit));
+ } else {
+ return error(_("%s: Could not drop stash entry"),
+ info->revision.buf);
+ }
+
+ /*
+ * This could easily be replaced by get_oid, but currently it will throw
+ * a fatal error when a reflog is empty, which we can not recover from.
+ */
+ cp.git_cmd = 1;
+ /* Even though --quiet is specified, rev-parse still outputs the hash */
+ cp.no_stdout = 1;
+ argv_array_pushl(&cp.args, "rev-parse", "--verify", "--quiet", NULL);
+ argv_array_pushf(&cp.args, "%s@{0}", ref_stash);
+ ret = run_command(&cp);
+
+ /* do_clear_stash if we just dropped the last stash entry */
+ if (ret)
+ do_clear_stash();
+
+ return 0;
+}
+
+static void assert_stash_ref(struct stash_info *info)
+{
+ if (!info->is_stash_ref) {
+ error(_("'%s' is not a stash reference"), info->revision.buf);
+ free_stash_info(info);
+ exit(1);
+ }
+}
+
+static int drop_stash(int argc, const char **argv, const char *prefix)
+{
+ int ret;
+ int quiet = 0;
+ struct stash_info info;
+ struct option options[] = {
+ OPT__QUIET(&quiet, N_("be quiet, only report errors")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_drop_usage, 0);
+
+ if (get_stash_info(&info, argc, argv))
+ return -1;
+
+ assert_stash_ref(&info);
+
+ ret = do_drop_stash(prefix, &info, quiet);
+ free_stash_info(&info);
+ return ret;
+}
+
+static int pop_stash(int argc, const char **argv, const char *prefix)
+{
+ int ret;
+ int index = 0;
+ int quiet = 0;
+ struct stash_info info;
+ struct option options[] = {
+ OPT__QUIET(&quiet, N_("be quiet, only report errors")),
+ OPT_BOOL(0, "index", &index,
+ N_("attempt to recreate the index")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_pop_usage, 0);
+
+ if (get_stash_info(&info, argc, argv))
+ return -1;
+
+ assert_stash_ref(&info);
+ if ((ret = do_apply_stash(prefix, &info, index, quiet)))
+ printf_ln(_("The stash entry is kept in case "
+ "you need it again."));
+ else
+ ret = do_drop_stash(prefix, &info, quiet);
+
+ free_stash_info(&info);
+ return ret;
+}
+
+static int branch_stash(int argc, const char **argv, const char *prefix)
+{
+ int ret;
+ const char *branch = NULL;
+ struct stash_info info;
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct option options[] = {
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_branch_usage, 0);
+
+ if (!argc) {
+ fprintf_ln(stderr, _("No branch name specified"));
+ return -1;
+ }
+
+ branch = argv[0];
+
+ if (get_stash_info(&info, argc - 1, argv + 1))
+ return -1;
+
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "checkout", "-b", NULL);
+ argv_array_push(&cp.args, branch);
+ argv_array_push(&cp.args, oid_to_hex(&info.b_commit));
+ ret = run_command(&cp);
+ if (!ret)
+ ret = do_apply_stash(prefix, &info, 1, 0);
+ if (!ret && info.is_stash_ref)
+ ret = do_drop_stash(prefix, &info, 0);
+
+ free_stash_info(&info);
+
+ return ret;
+}
+
+static int list_stash(int argc, const char **argv, const char *prefix)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct option options[] = {
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_list_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
+
+ if (!ref_exists(ref_stash))
+ return 0;
+
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "log", "--format=%gd: %gs", "-g",
+ "--first-parent", "-m", NULL);
+ argv_array_pushv(&cp.args, argv);
+ argv_array_push(&cp.args, ref_stash);
+ argv_array_push(&cp.args, "--");
+ return run_command(&cp);
+}
+
+static int show_stat = 1;
+static int show_patch;
+
+static int git_stash_config(const char *var, const char *value, void *cb)
+{
+ if (!strcmp(var, "stash.showstat")) {
+ show_stat = git_config_bool(var, value);
+ return 0;
+ }
+ if (!strcmp(var, "stash.showpatch")) {
+ show_patch = git_config_bool(var, value);
+ return 0;
+ }
+ return git_default_config(var, value, cb);
+}
+
+static int show_stash(int argc, const char **argv, const char *prefix)
+{
+ int i;
+ int opts = 0;
+ int ret = 0;
+ struct stash_info info;
+ struct rev_info rev;
+ struct argv_array stash_args = ARGV_ARRAY_INIT;
+ struct option options[] = {
+ OPT_END()
+ };
+
+ init_diff_ui_defaults();
+ git_config(git_diff_ui_config, NULL);
+ init_revisions(&rev, prefix);
+
+ for (i = 1; i < argc; i++) {
+ if (argv[i][0] != '-')
+ argv_array_push(&stash_args, argv[i]);
+ else
+ opts++;
+ }
+
+ ret = get_stash_info(&info, stash_args.argc, stash_args.argv);
+ argv_array_clear(&stash_args);
+ if (ret)
+ return -1;
+
+ /*
+ * The config settings are applied only if there are not passed
+ * any options.
+ */
+ if (!opts) {
+ git_config(git_stash_config, NULL);
+ if (show_stat)
+ rev.diffopt.output_format = DIFF_FORMAT_DIFFSTAT;
+
+ if (show_patch)
+ rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
+
+ if (!show_stat && !show_patch) {
+ free_stash_info(&info);
+ return 0;
+ }
+ }
+
+ argc = setup_revisions(argc, argv, &rev, NULL);
+ if (argc > 1) {
+ free_stash_info(&info);
+ usage_with_options(git_stash_show_usage, options);
+ }
+
+ rev.diffopt.flags.recursive = 1;
+ setup_diff_pager(&rev.diffopt);
+ diff_tree_oid(&info.b_commit, &info.w_commit, "", &rev.diffopt);
+ log_tree_diff_flush(&rev);
+
+ free_stash_info(&info);
+ return diff_result_code(&rev.diffopt, 0);
+}
+
+static int do_store_stash(const struct object_id *w_commit, const char *stash_msg,
+ int quiet)
+{
+ if (!stash_msg)
+ stash_msg = "Created via \"git stash store\".";
+
+ if (update_ref(stash_msg, ref_stash, w_commit, NULL,
+ REF_FORCE_CREATE_REFLOG,
+ quiet ? UPDATE_REFS_QUIET_ON_ERR :
+ UPDATE_REFS_MSG_ON_ERR)) {
+ if (!quiet) {
+ fprintf_ln(stderr, _("Cannot update %s with %s"),
+ ref_stash, oid_to_hex(w_commit));
+ }
+ return -1;
+ }
+
+ return 0;
+}
+
+static int store_stash(int argc, const char **argv, const char *prefix)
+{
+ int quiet = 0;
+ const char *stash_msg = NULL;
+ struct object_id obj;
+ struct object_context dummy;
+ struct option options[] = {
+ OPT__QUIET(&quiet, N_("be quiet")),
+ OPT_STRING('m', "message", &stash_msg, "message",
+ N_("stash message")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_store_usage,
+ PARSE_OPT_KEEP_UNKNOWN);
+
+ if (argc != 1) {
+ if (!quiet)
+ fprintf_ln(stderr, _("\"git stash store\" requires one "
+ "<commit> argument"));
+ return -1;
+ }
+
+ if (get_oid_with_context(the_repository,
+ argv[0], quiet ? GET_OID_QUIETLY : 0, &obj,
+ &dummy)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot update %s with %s"),
+ ref_stash, argv[0]);
+ return -1;
+ }
+
+ return do_store_stash(&obj, stash_msg, quiet);
+}
+
+static void add_pathspecs(struct argv_array *args,
+ struct pathspec ps) {
+ int i;
+
+ for (i = 0; i < ps.nr; i++)
+ argv_array_push(args, ps.items[i].match);
+}
+
+/*
+ * `untracked_files` will be filled with the names of untracked files.
+ * The return value is:
+ *
+ * = 0 if there are not any untracked files
+ * > 0 if there are untracked files
+ */
+static int get_untracked_files(struct pathspec ps, int include_untracked,
+ struct strbuf *untracked_files)
+{
+ int i;
+ int max_len;
+ int found = 0;
+ char *seen;
+ struct dir_struct dir;
+
+ memset(&dir, 0, sizeof(dir));
+ if (include_untracked != INCLUDE_ALL_FILES)
+ setup_standard_excludes(&dir);
+
+ seen = xcalloc(ps.nr, 1);
+
+ max_len = fill_directory(&dir, the_repository->index, &ps);
+ for (i = 0; i < dir.nr; i++) {
+ struct dir_entry *ent = dir.entries[i];
+ if (dir_path_match(&the_index, ent, &ps, max_len, seen)) {
+ found++;
+ strbuf_addstr(untracked_files, ent->name);
+ /* NUL-terminate: will be fed to update-index -z */
+ strbuf_addch(untracked_files, '\0');
+ }
+ free(ent);
+ }
+
+ free(seen);
+ free(dir.entries);
+ free(dir.ignored);
+ clear_directory(&dir);
+ return found;
+}
+
+/*
+ * The return value of `check_changes_tracked_files()` can be:
+ *
+ * < 0 if there was an error
+ * = 0 if there are no changes.
+ * > 0 if there are changes.
+ */
+static int check_changes_tracked_files(struct pathspec ps)
+{
+ int result;
+ struct rev_info rev;
+ struct object_id dummy;
+
+ /* No initial commit. */
+ if (get_oid("HEAD", &dummy))
+ return -1;
+
+ if (read_cache() < 0)
+ return -1;
+
+ init_revisions(&rev, NULL);
+ rev.prune_data = ps;
+
+ rev.diffopt.flags.quick = 1;
+ rev.diffopt.flags.ignore_submodules = 1;
+ rev.abbrev = 0;
+
+ add_head_to_pending(&rev);
+ diff_setup_done(&rev.diffopt);
+
+ result = run_diff_index(&rev, 1);
+ if (diff_result_code(&rev.diffopt, result))
+ return 1;
+
+ object_array_clear(&rev.pending);
+ result = run_diff_files(&rev, 0);
+ if (diff_result_code(&rev.diffopt, result))
+ return 1;
+
+ return 0;
+}
+
+/*
+ * The function will fill `untracked_files` with the names of untracked files
+ * It will return 1 if there were any changes and 0 if there were not.
+ */
+static int check_changes(struct pathspec ps, int include_untracked,
+ struct strbuf *untracked_files)
+{
+ int ret = 0;
+ if (check_changes_tracked_files(ps))
+ ret = 1;
+
+ if (include_untracked && get_untracked_files(ps, include_untracked,
+ untracked_files))
+ ret = 1;
+
+ return ret;
+}
+
+static int save_untracked_files(struct stash_info *info, struct strbuf *msg,
+ struct strbuf files)
+{
+ int ret = 0;
+ struct strbuf untracked_msg = STRBUF_INIT;
+ struct child_process cp_upd_index = CHILD_PROCESS_INIT;
+ struct index_state istate = { NULL };
+
+ cp_upd_index.git_cmd = 1;
+ argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add",
+ "--remove", "--stdin", NULL);
+ argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+
+ strbuf_addf(&untracked_msg, "untracked files on %s\n", msg->buf);
+ if (pipe_command(&cp_upd_index, files.buf, files.len, NULL, 0,
+ NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (write_index_as_tree(&info->u_tree, &istate, stash_index_path.buf, 0,
+ NULL)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (commit_tree(untracked_msg.buf, untracked_msg.len,
+ &info->u_tree, NULL, &info->u_commit, NULL, NULL)) {
+ ret = -1;
+ goto done;
+ }
+
+done:
+ discard_index(&istate);
+ strbuf_release(&untracked_msg);
+ remove_path(stash_index_path.buf);
+ return ret;
+}
+
+static int stash_patch(struct stash_info *info, struct pathspec ps,
+ struct strbuf *out_patch, int quiet)
+{
+ int ret = 0;
+ struct child_process cp_read_tree = CHILD_PROCESS_INIT;
+ struct child_process cp_add_i = CHILD_PROCESS_INIT;
+ struct child_process cp_diff_tree = CHILD_PROCESS_INIT;
+ struct index_state istate = { NULL };
+
+ remove_path(stash_index_path.buf);
+
+ cp_read_tree.git_cmd = 1;
+ argv_array_pushl(&cp_read_tree.args, "read-tree", "HEAD", NULL);
+ argv_array_pushf(&cp_read_tree.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+ if (run_command(&cp_read_tree)) {
+ ret = -1;
+ goto done;
+ }
+
+ /* Find out what the user wants. */
+ cp_add_i.git_cmd = 1;
+ argv_array_pushl(&cp_add_i.args, "add--interactive", "--patch=stash",
+ "--", NULL);
+ add_pathspecs(&cp_add_i.args, ps);
+ argv_array_pushf(&cp_add_i.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+ if (run_command(&cp_add_i)) {
+ ret = -1;
+ goto done;
+ }
+
+ /* State of the working tree. */
+ if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
+ NULL)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_diff_tree.git_cmd = 1;
+ argv_array_pushl(&cp_diff_tree.args, "diff-tree", "-p", "HEAD",
+ oid_to_hex(&info->w_tree), "--", NULL);
+ if (pipe_command(&cp_diff_tree, NULL, 0, out_patch, 0, NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (!out_patch->len) {
+ if (!quiet)
+ fprintf_ln(stderr, _("No changes selected"));
+ ret = 1;
+ }
+
+done:
+ discard_index(&istate);
+ remove_path(stash_index_path.buf);
+ return ret;
+}
+
+static int stash_working_tree(struct stash_info *info, struct pathspec ps)
+{
+ int ret = 0;
+ struct rev_info rev;
+ struct child_process cp_upd_index = CHILD_PROCESS_INIT;
+ struct strbuf diff_output = STRBUF_INIT;
+ struct index_state istate = { NULL };
+
+ init_revisions(&rev, NULL);
+
+ set_alternate_index_output(stash_index_path.buf);
+ if (reset_tree(&info->i_tree, 0, 0)) {
+ ret = -1;
+ goto done;
+ }
+ set_alternate_index_output(NULL);
+
+ rev.prune_data = ps;
+ rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
+ rev.diffopt.format_callback = add_diff_to_buf;
+ rev.diffopt.format_callback_data = &diff_output;
+
+ if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
+ ret = -1;
+ goto done;
+ }
+
+ add_pending_object(&rev, parse_object(the_repository, &info->b_commit),
+ "");
+ if (run_diff_index(&rev, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_upd_index.git_cmd = 1;
+ argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add",
+ "--remove", "--stdin", NULL);
+ argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s",
+ stash_index_path.buf);
+
+ if (pipe_command(&cp_upd_index, diff_output.buf, diff_output.len,
+ NULL, 0, NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
+ NULL)) {
+ ret = -1;
+ goto done;
+ }
+
+done:
+ discard_index(&istate);
+ UNLEAK(rev);
+ object_array_clear(&rev.pending);
+ strbuf_release(&diff_output);
+ remove_path(stash_index_path.buf);
+ return ret;
+}
+
+static int do_create_stash(struct pathspec ps, struct strbuf *stash_msg_buf,
+ int include_untracked, int patch_mode,
+ struct stash_info *info, struct strbuf *patch,
+ int quiet)
+{
+ int ret = 0;
+ int flags = 0;
+ int untracked_commit_option = 0;
+ const char *head_short_sha1 = NULL;
+ const char *branch_ref = NULL;
+ const char *branch_name = "(no branch)";
+ struct commit *head_commit = NULL;
+ struct commit_list *parents = NULL;
+ struct strbuf msg = STRBUF_INIT;
+ struct strbuf commit_tree_label = STRBUF_INIT;
+ struct strbuf untracked_files = STRBUF_INIT;
+
+ prepare_fallback_ident("git stash", "git@stash");
+
+ read_cache_preload(NULL);
+ refresh_cache(REFRESH_QUIET);
+
+ if (get_oid("HEAD", &info->b_commit)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("You do not have "
+ "the initial commit yet"));
+ ret = -1;
+ goto done;
+ } else {
+ head_commit = lookup_commit(the_repository, &info->b_commit);
+ }
+
+ if (!check_changes(ps, include_untracked, &untracked_files)) {
+ ret = 1;
+ goto done;
+ }
+
+ branch_ref = resolve_ref_unsafe("HEAD", 0, NULL, &flags);
+ if (flags & REF_ISSYMREF)
+ branch_name = strrchr(branch_ref, '/') + 1;
+ head_short_sha1 = find_unique_abbrev(&head_commit->object.oid,
+ DEFAULT_ABBREV);
+ strbuf_addf(&msg, "%s: %s ", branch_name, head_short_sha1);
+ pp_commit_easy(CMIT_FMT_ONELINE, head_commit, &msg);
+
+ strbuf_addf(&commit_tree_label, "index on %s\n", msg.buf);
+ commit_list_insert(head_commit, &parents);
+ if (write_cache_as_tree(&info->i_tree, 0, NULL) ||
+ commit_tree(commit_tree_label.buf, commit_tree_label.len,
+ &info->i_tree, parents, &info->i_commit, NULL, NULL)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot save the current "
+ "index state"));
+ ret = -1;
+ goto done;
+ }
+
+ if (include_untracked) {
+ if (save_untracked_files(info, &msg, untracked_files)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot save "
+ "the untracked files"));
+ ret = -1;
+ goto done;
+ }
+ untracked_commit_option = 1;
+ }
+ if (patch_mode) {
+ ret = stash_patch(info, ps, patch, quiet);
+ if (ret < 0) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot save the current "
+ "worktree state"));
+ goto done;
+ } else if (ret > 0) {
+ goto done;
+ }
+ } else {
+ if (stash_working_tree(info, ps)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot save the current "
+ "worktree state"));
+ ret = -1;
+ goto done;
+ }
+ }
+
+ if (!stash_msg_buf->len)
+ strbuf_addf(stash_msg_buf, "WIP on %s", msg.buf);
+ else
+ strbuf_insertf(stash_msg_buf, 0, "On %s: ", branch_name);
+
+ /*
+ * `parents` will be empty after calling `commit_tree()`, so there is
+ * no need to call `free_commit_list()`
+ */
+ parents = NULL;
+ if (untracked_commit_option)
+ commit_list_insert(lookup_commit(the_repository,
+ &info->u_commit),
+ &parents);
+ commit_list_insert(lookup_commit(the_repository, &info->i_commit),
+ &parents);
+ commit_list_insert(head_commit, &parents);
+
+ if (commit_tree(stash_msg_buf->buf, stash_msg_buf->len, &info->w_tree,
+ parents, &info->w_commit, NULL, NULL)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot record "
+ "working tree state"));
+ ret = -1;
+ goto done;
+ }
+
+done:
+ strbuf_release(&commit_tree_label);
+ strbuf_release(&msg);
+ strbuf_release(&untracked_files);
+ return ret;
+}
+
+static int create_stash(int argc, const char **argv, const char *prefix)
+{
+ int ret = 0;
+ struct strbuf stash_msg_buf = STRBUF_INIT;
+ struct stash_info info;
+ struct pathspec ps;
+
+ /* Starting with argv[1], since argv[0] is "create" */
+ strbuf_join_argv(&stash_msg_buf, argc - 1, ++argv, ' ');
+
+ memset(&ps, 0, sizeof(ps));
+ if (!check_changes_tracked_files(ps))
+ return 0;
+
+ ret = do_create_stash(ps, &stash_msg_buf, 0, 0, &info,
+ NULL, 0);
+ if (!ret)
+ printf_ln("%s", oid_to_hex(&info.w_commit));
+
+ strbuf_release(&stash_msg_buf);
+ return ret;
+}
+
+static int do_push_stash(struct pathspec ps, const char *stash_msg, int quiet,
+ int keep_index, int patch_mode, int include_untracked)
+{
+ int ret = 0;
+ struct stash_info info;
+ struct strbuf patch = STRBUF_INIT;
+ struct strbuf stash_msg_buf = STRBUF_INIT;
+ struct strbuf untracked_files = STRBUF_INIT;
+
+ if (patch_mode && keep_index == -1)
+ keep_index = 1;
+
+ if (patch_mode && include_untracked) {
+ fprintf_ln(stderr, _("Can't use --patch and --include-untracked"
+ " or --all at the same time"));
+ ret = -1;
+ goto done;
+ }
+
+ read_cache_preload(NULL);
+ if (!include_untracked && ps.nr) {
+ int i;
+ char *ps_matched = xcalloc(ps.nr, 1);
+
+ for (i = 0; i < active_nr; i++)
+ ce_path_match(&the_index, active_cache[i], &ps,
+ ps_matched);
+
+ if (report_path_error(ps_matched, &ps, NULL)) {
+ fprintf_ln(stderr, _("Did you forget to 'git add'?"));
+ ret = -1;
+ free(ps_matched);
+ goto done;
+ }
+ free(ps_matched);
+ }
+
+ if (refresh_cache(REFRESH_QUIET)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (!check_changes(ps, include_untracked, &untracked_files)) {
+ if (!quiet)
+ printf_ln(_("No local changes to save"));
+ goto done;
+ }
+
+ if (!reflog_exists(ref_stash) && do_clear_stash()) {
+ ret = -1;
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot initialize stash"));
+ goto done;
+ }
+
+ if (stash_msg)
+ strbuf_addstr(&stash_msg_buf, stash_msg);
+ if (do_create_stash(ps, &stash_msg_buf, include_untracked, patch_mode,
+ &info, &patch, quiet)) {
+ ret = -1;
+ goto done;
+ }
+
+ if (do_store_stash(&info.w_commit, stash_msg_buf.buf, 1)) {
+ ret = -1;
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot save the current status"));
+ goto done;
+ }
+
+ if (!quiet)
+ printf_ln(_("Saved working directory and index state %s"),
+ stash_msg_buf.buf);
+
+ if (!patch_mode) {
+ if (include_untracked && !ps.nr) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "clean", "--force",
+ "--quiet", "-d", NULL);
+ if (include_untracked == INCLUDE_ALL_FILES)
+ argv_array_push(&cp.args, "-x");
+ if (run_command(&cp)) {
+ ret = -1;
+ goto done;
+ }
+ }
+ discard_cache();
+ if (ps.nr) {
+ struct child_process cp_add = CHILD_PROCESS_INIT;
+ struct child_process cp_diff = CHILD_PROCESS_INIT;
+ struct child_process cp_apply = CHILD_PROCESS_INIT;
+ struct strbuf out = STRBUF_INIT;
+
+ cp_add.git_cmd = 1;
+ argv_array_push(&cp_add.args, "add");
+ if (!include_untracked)
+ argv_array_push(&cp_add.args, "-u");
+ if (include_untracked == INCLUDE_ALL_FILES)
+ argv_array_push(&cp_add.args, "--force");
+ argv_array_push(&cp_add.args, "--");
+ add_pathspecs(&cp_add.args, ps);
+ if (run_command(&cp_add)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_diff.git_cmd = 1;
+ argv_array_pushl(&cp_diff.args, "diff-index", "-p",
+ "--cached", "--binary", "HEAD", "--",
+ NULL);
+ add_pathspecs(&cp_diff.args, ps);
+ if (pipe_command(&cp_diff, NULL, 0, &out, 0, NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_apply.git_cmd = 1;
+ argv_array_pushl(&cp_apply.args, "apply", "--index",
+ "-R", NULL);
+ if (pipe_command(&cp_apply, out.buf, out.len, NULL, 0,
+ NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+ } else {
+ struct child_process cp = CHILD_PROCESS_INIT;
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "reset", "--hard", "-q",
+ NULL);
+ if (run_command(&cp)) {
+ ret = -1;
+ goto done;
+ }
+ }
+
+ if (keep_index == 1 && !is_null_oid(&info.i_tree)) {
+ struct child_process cp_ls = CHILD_PROCESS_INIT;
+ struct child_process cp_checkout = CHILD_PROCESS_INIT;
+ struct strbuf out = STRBUF_INIT;
+
+ if (reset_tree(&info.i_tree, 0, 1)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_ls.git_cmd = 1;
+ argv_array_pushl(&cp_ls.args, "ls-files", "-z",
+ "--modified", "--", NULL);
+
+ add_pathspecs(&cp_ls.args, ps);
+ if (pipe_command(&cp_ls, NULL, 0, &out, 0, NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+
+ cp_checkout.git_cmd = 1;
+ argv_array_pushl(&cp_checkout.args, "checkout-index",
+ "-z", "--force", "--stdin", NULL);
+ if (pipe_command(&cp_checkout, out.buf, out.len, NULL,
+ 0, NULL, 0)) {
+ ret = -1;
+ goto done;
+ }
+ }
+ goto done;
+ } else {
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "apply", "-R", NULL);
+
+ if (pipe_command(&cp, patch.buf, patch.len, NULL, 0, NULL, 0)) {
+ if (!quiet)
+ fprintf_ln(stderr, _("Cannot remove "
+ "worktree changes"));
+ ret = -1;
+ goto done;
+ }
+
+ if (keep_index < 1) {
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ cp.git_cmd = 1;
+ argv_array_pushl(&cp.args, "reset", "-q", "--", NULL);
+ add_pathspecs(&cp.args, ps);
+ if (run_command(&cp)) {
+ ret = -1;
+ goto done;
+ }
+ }
+ goto done;
+ }
+
+done:
+ strbuf_release(&stash_msg_buf);
+ return ret;
+}
+
+static int push_stash(int argc, const char **argv, const char *prefix)
+{
+ int keep_index = -1;
+ int patch_mode = 0;
+ int include_untracked = 0;
+ int quiet = 0;
+ const char *stash_msg = NULL;
+ struct pathspec ps;
+ struct option options[] = {
+ OPT_BOOL('k', "keep-index", &keep_index,
+ N_("keep index")),
+ OPT_BOOL('p', "patch", &patch_mode,
+ N_("stash in patch mode")),
+ OPT__QUIET(&quiet, N_("quiet mode")),
+ OPT_BOOL('u', "include-untracked", &include_untracked,
+ N_("include untracked files in stash")),
+ OPT_SET_INT('a', "all", &include_untracked,
+ N_("include ignore files"), 2),
+ OPT_STRING('m', "message", &stash_msg, N_("message"),
+ N_("stash message")),
+ OPT_END()
+ };
+
+ if (argc)
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_push_usage,
+ 0);
+
+ parse_pathspec(&ps, 0, PATHSPEC_PREFER_FULL, prefix, argv);
+ return do_push_stash(ps, stash_msg, quiet, keep_index, patch_mode,
+ include_untracked);
+}
+
+static int save_stash(int argc, const char **argv, const char *prefix)
+{
+ int keep_index = -1;
+ int patch_mode = 0;
+ int include_untracked = 0;
+ int quiet = 0;
+ int ret = 0;
+ const char *stash_msg = NULL;
+ struct pathspec ps;
+ struct strbuf stash_msg_buf = STRBUF_INIT;
+ struct option options[] = {
+ OPT_BOOL('k', "keep-index", &keep_index,
+ N_("keep index")),
+ OPT_BOOL('p', "patch", &patch_mode,
+ N_("stash in patch mode")),
+ OPT__QUIET(&quiet, N_("quiet mode")),
+ OPT_BOOL('u', "include-untracked", &include_untracked,
+ N_("include untracked files in stash")),
+ OPT_SET_INT('a', "all", &include_untracked,
+ N_("include ignore files"), 2),
+ OPT_STRING('m', "message", &stash_msg, "message",
+ N_("stash message")),
+ OPT_END()
+ };
+
+ argc = parse_options(argc, argv, prefix, options,
+ git_stash_save_usage,
+ PARSE_OPT_KEEP_DASHDASH);
+
+ if (argc)
+ stash_msg = strbuf_join_argv(&stash_msg_buf, argc, argv, ' ');
+
+ memset(&ps, 0, sizeof(ps));
+ ret = do_push_stash(ps, stash_msg, quiet, keep_index,
+ patch_mode, include_untracked);
+
+ strbuf_release(&stash_msg_buf);
+ return ret;
+}
+
+static int use_builtin_stash(void)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ struct strbuf out = STRBUF_INIT;
+ int ret, env = git_env_bool("GIT_TEST_STASH_USE_BUILTIN", -1);
+
+ if (env != -1)
+ return env;
+
+ argv_array_pushl(&cp.args,
+ "config", "--bool", "stash.usebuiltin", NULL);
+ cp.git_cmd = 1;
+ if (capture_command(&cp, &out, 6)) {
+ strbuf_release(&out);
+ return 1;
+ }
+
+ strbuf_trim(&out);
+ ret = !strcmp("true", out.buf);
+ strbuf_release(&out);
+ return ret;
+}
+
+int cmd_stash(int argc, const char **argv, const char *prefix)
+{
+ int i = -1;
+ pid_t pid = getpid();
+ const char *index_file;
+ struct argv_array args = ARGV_ARRAY_INIT;
+
+ struct option options[] = {
+ OPT_END()
+ };
+
+ if (!use_builtin_stash()) {
+ const char *path = mkpath("%s/git-legacy-stash",
+ git_exec_path());
+
+ if (sane_execvp(path, (char **)argv) < 0)
+ die_errno(_("could not exec %s"), path);
+ else
+ BUG("sane_execvp() returned???");
+ }
+
+ prefix = setup_git_directory();
+ trace_repo_setup(prefix);
+ setup_work_tree();
+
+ git_config(git_diff_basic_config, NULL);
+
+ argc = parse_options(argc, argv, prefix, options, git_stash_usage,
+ PARSE_OPT_KEEP_UNKNOWN | PARSE_OPT_KEEP_DASHDASH);
+
+ index_file = get_index_file();
+ strbuf_addf(&stash_index_path, "%s.stash.%" PRIuMAX, index_file,
+ (uintmax_t)pid);
+
+ if (!argc)
+ return !!push_stash(0, NULL, prefix);
+ else if (!strcmp(argv[0], "apply"))
+ return !!apply_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "clear"))
+ return !!clear_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "drop"))
+ return !!drop_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "pop"))
+ return !!pop_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "branch"))
+ return !!branch_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "list"))
+ return !!list_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "show"))
+ return !!show_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "store"))
+ return !!store_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "create"))
+ return !!create_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "push"))
+ return !!push_stash(argc, argv, prefix);
+ else if (!strcmp(argv[0], "save"))
+ return !!save_stash(argc, argv, prefix);
+ else if (*argv[0] != '-')
+ usage_msg_opt(xstrfmt(_("unknown subcommand: %s"), argv[0]),
+ git_stash_usage, options);
+
+ if (strcmp(argv[0], "-p")) {
+ while (++i < argc && strcmp(argv[i], "--")) {
+ /*
+ * `akpqu` is a string which contains all short options,
+ * except `-m` which is verified separately.
+ */
+ if ((strlen(argv[i]) == 2) && *argv[i] == '-' &&
+ strchr("akpqu", argv[i][1]))
+ continue;
+
+ if (!strcmp(argv[i], "--all") ||
+ !strcmp(argv[i], "--keep-index") ||
+ !strcmp(argv[i], "--no-keep-index") ||
+ !strcmp(argv[i], "--patch") ||
+ !strcmp(argv[i], "--quiet") ||
+ !strcmp(argv[i], "--include-untracked"))
+ continue;
+
+ /*
+ * `-m` and `--message=` are verified separately because
+ * they need to be immediately followed by a string
+ * (i.e.`-m"foobar"` or `--message="foobar"`).
+ */
+ if (starts_with(argv[i], "-m") ||
+ starts_with(argv[i], "--message="))
+ continue;
+
+ usage_with_options(git_stash_usage, options);
+ }
+ }
+
+ argv_array_push(&args, "push");
+ argv_array_pushv(&args, argv);
+ return !!push_stash(args.argc, args.argv, prefix);
+}
--- /dev/null
+#!/bin/sh
+# Copyright (c) 2007, Nanako Shiraishi
+
+dashless=$(basename "$0" | sed -e 's/-/ /')
+USAGE="list [<options>]
+ or: $dashless show [<stash>]
+ or: $dashless drop [-q|--quiet] [<stash>]
+ or: $dashless ( pop | apply ) [--index] [-q|--quiet] [<stash>]
+ or: $dashless branch <branchname> [<stash>]
+ or: $dashless save [--patch] [-k|--[no-]keep-index] [-q|--quiet]
+ [-u|--include-untracked] [-a|--all] [<message>]
+ or: $dashless [push [--patch] [-k|--[no-]keep-index] [-q|--quiet]
+ [-u|--include-untracked] [-a|--all] [-m <message>]
+ [-- <pathspec>...]]
+ or: $dashless clear"
+
+SUBDIRECTORY_OK=Yes
+OPTIONS_SPEC=
+START_DIR=$(pwd)
+. git-sh-setup
+require_work_tree
+prefix=$(git rev-parse --show-prefix) || exit 1
+cd_to_toplevel
+
+TMP="$GIT_DIR/.git-stash.$$"
+TMPindex=${GIT_INDEX_FILE-"$(git rev-parse --git-path index)"}.stash.$$
+trap 'rm -f "$TMP-"* "$TMPindex"' 0
+
+ref_stash=refs/stash
+
+if git config --get-colorbool color.interactive; then
+ help_color="$(git config --get-color color.interactive.help 'red bold')"
+ reset_color="$(git config --get-color '' reset)"
+else
+ help_color=
+ reset_color=
+fi
+
+no_changes () {
+ git diff-index --quiet --cached HEAD --ignore-submodules -- "$@" &&
+ git diff-files --quiet --ignore-submodules -- "$@" &&
+ (test -z "$untracked" || test -z "$(untracked_files "$@")")
+}
+
+untracked_files () {
+ if test "$1" = "-z"
+ then
+ shift
+ z=-z
+ else
+ z=
+ fi
+ excl_opt=--exclude-standard
+ test "$untracked" = "all" && excl_opt=
+ git ls-files -o $z $excl_opt -- "$@"
+}
+
+prepare_fallback_ident () {
+ if ! git -c user.useconfigonly=yes var GIT_COMMITTER_IDENT >/dev/null 2>&1
+ then
+ GIT_AUTHOR_NAME="git stash"
+ GIT_AUTHOR_EMAIL=git@stash
+ GIT_COMMITTER_NAME="git stash"
+ GIT_COMMITTER_EMAIL=git@stash
+ export GIT_AUTHOR_NAME
+ export GIT_AUTHOR_EMAIL
+ export GIT_COMMITTER_NAME
+ export GIT_COMMITTER_EMAIL
+ fi
+}
+
+clear_stash () {
+ if test $# != 0
+ then
+ die "$(gettext "git stash clear with parameters is unimplemented")"
+ fi
+ if current=$(git rev-parse --verify --quiet $ref_stash)
+ then
+ git update-ref -d $ref_stash $current
+ fi
+}
+
+maybe_quiet () {
+ case "$1" in
+ --keep-stdout)
+ shift
+ if test -n "$GIT_QUIET"
+ then
+ eval "$@" 2>/dev/null
+ else
+ eval "$@"
+ fi
+ ;;
+ *)
+ if test -n "$GIT_QUIET"
+ then
+ eval "$@" >/dev/null 2>&1
+ else
+ eval "$@"
+ fi
+ ;;
+ esac
+}
+
+create_stash () {
+
+ prepare_fallback_ident
+
+ stash_msg=
+ untracked=
+ while test $# != 0
+ do
+ case "$1" in
+ -m|--message)
+ shift
+ stash_msg=${1?"BUG: create_stash () -m requires an argument"}
+ ;;
+ -m*)
+ stash_msg=${1#-m}
+ ;;
+ --message=*)
+ stash_msg=${1#--message=}
+ ;;
+ -u|--include-untracked)
+ shift
+ untracked=${1?"BUG: create_stash () -u requires an argument"}
+ ;;
+ --)
+ shift
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git update-index -q --refresh
+ if maybe_quiet no_changes "$@"
+ then
+ exit 0
+ fi
+
+ # state of the base commit
+ if b_commit=$(maybe_quiet --keep-stdout git rev-parse --verify HEAD)
+ then
+ head=$(git rev-list --oneline -n 1 HEAD --)
+ elif test -n "$GIT_QUIET"
+ then
+ exit 1
+ else
+ die "$(gettext "You do not have the initial commit yet")"
+ fi
+
+ if branch=$(git symbolic-ref -q HEAD)
+ then
+ branch=${branch#refs/heads/}
+ else
+ branch='(no branch)'
+ fi
+ msg=$(printf '%s: %s' "$branch" "$head")
+
+ # state of the index
+ i_tree=$(git write-tree) &&
+ i_commit=$(printf 'index on %s\n' "$msg" |
+ git commit-tree $i_tree -p $b_commit) ||
+ die "$(gettext "Cannot save the current index state")"
+
+ if test -n "$untracked"
+ then
+ # Untracked files are stored by themselves in a parentless commit, for
+ # ease of unpacking later.
+ u_commit=$(
+ untracked_files -z "$@" | (
+ GIT_INDEX_FILE="$TMPindex" &&
+ export GIT_INDEX_FILE &&
+ rm -f "$TMPindex" &&
+ git update-index -z --add --remove --stdin &&
+ u_tree=$(git write-tree) &&
+ printf 'untracked files on %s\n' "$msg" | git commit-tree $u_tree &&
+ rm -f "$TMPindex"
+ ) ) || die "$(gettext "Cannot save the untracked files")"
+
+ untracked_commit_option="-p $u_commit";
+ else
+ untracked_commit_option=
+ fi
+
+ if test -z "$patch_mode"
+ then
+
+ # state of the working tree
+ w_tree=$( (
+ git read-tree --index-output="$TMPindex" -m $i_tree &&
+ GIT_INDEX_FILE="$TMPindex" &&
+ export GIT_INDEX_FILE &&
+ git diff-index --name-only -z HEAD -- "$@" >"$TMP-stagenames" &&
+ git update-index -z --add --remove --stdin <"$TMP-stagenames" &&
+ git write-tree &&
+ rm -f "$TMPindex"
+ ) ) ||
+ die "$(gettext "Cannot save the current worktree state")"
+
+ else
+
+ rm -f "$TMP-index" &&
+ GIT_INDEX_FILE="$TMP-index" git read-tree HEAD &&
+
+ # find out what the user wants
+ GIT_INDEX_FILE="$TMP-index" \
+ git add--interactive --patch=stash -- "$@" &&
+
+ # state of the working tree
+ w_tree=$(GIT_INDEX_FILE="$TMP-index" git write-tree) ||
+ die "$(gettext "Cannot save the current worktree state")"
+
+ git diff-tree -p HEAD $w_tree -- >"$TMP-patch" &&
+ test -s "$TMP-patch" ||
+ die "$(gettext "No changes selected")"
+
+ rm -f "$TMP-index" ||
+ die "$(gettext "Cannot remove temporary index (can't happen)")"
+
+ fi
+
+ # create the stash
+ if test -z "$stash_msg"
+ then
+ stash_msg=$(printf 'WIP on %s' "$msg")
+ else
+ stash_msg=$(printf 'On %s: %s' "$branch" "$stash_msg")
+ fi
+ w_commit=$(printf '%s\n' "$stash_msg" |
+ git commit-tree $w_tree -p $b_commit -p $i_commit $untracked_commit_option) ||
+ die "$(gettext "Cannot record working tree state")"
+}
+
+store_stash () {
+ while test $# != 0
+ do
+ case "$1" in
+ -m|--message)
+ shift
+ stash_msg="$1"
+ ;;
+ -m*)
+ stash_msg=${1#-m}
+ ;;
+ --message=*)
+ stash_msg=${1#--message=}
+ ;;
+ -q|--quiet)
+ quiet=t
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+ test $# = 1 ||
+ die "$(eval_gettext "\"$dashless store\" requires one <commit> argument")"
+
+ w_commit="$1"
+ if test -z "$stash_msg"
+ then
+ stash_msg="Created via \"git stash store\"."
+ fi
+
+ git update-ref --create-reflog -m "$stash_msg" $ref_stash $w_commit
+ ret=$?
+ test $ret != 0 && test -z "$quiet" &&
+ die "$(eval_gettext "Cannot update \$ref_stash with \$w_commit")"
+ return $ret
+}
+
+push_stash () {
+ keep_index=
+ patch_mode=
+ untracked=
+ stash_msg=
+ while test $# != 0
+ do
+ case "$1" in
+ -k|--keep-index)
+ keep_index=t
+ ;;
+ --no-keep-index)
+ keep_index=n
+ ;;
+ -p|--patch)
+ patch_mode=t
+ # only default to keep if we don't already have an override
+ test -z "$keep_index" && keep_index=t
+ ;;
+ -q|--quiet)
+ GIT_QUIET=t
+ ;;
+ -u|--include-untracked)
+ untracked=untracked
+ ;;
+ -a|--all)
+ untracked=all
+ ;;
+ -m|--message)
+ shift
+ test -z ${1+x} && usage
+ stash_msg=$1
+ ;;
+ -m*)
+ stash_msg=${1#-m}
+ ;;
+ --message=*)
+ stash_msg=${1#--message=}
+ ;;
+ --help)
+ show_help
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ option="$1"
+ eval_gettextln "error: unknown option for 'stash push': \$option"
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ eval "set $(git rev-parse --sq --prefix "$prefix" -- "$@")"
+
+ if test -n "$patch_mode" && test -n "$untracked"
+ then
+ die "$(gettext "Can't use --patch and --include-untracked or --all at the same time")"
+ fi
+
+ test -n "$untracked" || git ls-files --error-unmatch -- "$@" >/dev/null || exit 1
+
+ git update-index -q --refresh
+ if maybe_quiet no_changes "$@"
+ then
+ say "$(gettext "No local changes to save")"
+ exit 0
+ fi
+
+ git reflog exists $ref_stash ||
+ clear_stash || die "$(gettext "Cannot initialize stash")"
+
+ create_stash -m "$stash_msg" -u "$untracked" -- "$@"
+ store_stash -m "$stash_msg" -q $w_commit ||
+ die "$(gettext "Cannot save the current status")"
+ say "$(eval_gettext "Saved working directory and index state \$stash_msg")"
+
+ if test -z "$patch_mode"
+ then
+ test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
+ if test -n "$untracked" && test $# = 0
+ then
+ git clean --force --quiet -d $CLEAN_X_OPTION
+ fi
+
+ if test $# != 0
+ then
+ test -z "$untracked" && UPDATE_OPTION="-u" || UPDATE_OPTION=
+ test "$untracked" = "all" && FORCE_OPTION="--force" || FORCE_OPTION=
+ git add $UPDATE_OPTION $FORCE_OPTION -- "$@"
+ git diff-index -p --cached --binary HEAD -- "$@" |
+ git apply --index -R
+ else
+ git reset --hard -q
+ fi
+
+ if test "$keep_index" = "t" && test -n "$i_tree"
+ then
+ git read-tree --reset $i_tree
+ git ls-files -z --modified -- "$@" |
+ git checkout-index -z --force --stdin
+ fi
+ else
+ git apply -R < "$TMP-patch" ||
+ die "$(gettext "Cannot remove worktree changes")"
+
+ if test "$keep_index" != "t"
+ then
+ git reset -q -- "$@"
+ fi
+ fi
+}
+
+save_stash () {
+ push_options=
+ while test $# != 0
+ do
+ case "$1" in
+ -q|--quiet)
+ GIT_QUIET=t
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ # pass all options through to push_stash
+ push_options="$push_options $1"
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ stash_msg="$*"
+
+ if test -z "$stash_msg"
+ then
+ push_stash $push_options
+ else
+ push_stash $push_options -m "$stash_msg"
+ fi
+}
+
+have_stash () {
+ git rev-parse --verify --quiet $ref_stash >/dev/null
+}
+
+list_stash () {
+ have_stash || return 0
+ git log --format="%gd: %gs" -g --first-parent -m "$@" $ref_stash --
+}
+
+show_stash () {
+ ALLOW_UNKNOWN_FLAGS=t
+ assert_stash_like "$@"
+
+ if test -z "$FLAGS"
+ then
+ if test "$(git config --bool stash.showStat || echo true)" = "true"
+ then
+ FLAGS=--stat
+ fi
+
+ if test "$(git config --bool stash.showPatch || echo false)" = "true"
+ then
+ FLAGS=${FLAGS}${FLAGS:+ }-p
+ fi
+
+ if test -z "$FLAGS"
+ then
+ return 0
+ fi
+ fi
+
+ git diff ${FLAGS} $b_commit $w_commit
+}
+
+show_help () {
+ exec git help stash
+ exit 1
+}
+
+#
+# Parses the remaining options looking for flags and
+# at most one revision defaulting to ${ref_stash}@{0}
+# if none found.
+#
+# Derives related tree and commit objects from the
+# revision, if one is found.
+#
+# stash records the work tree, and is a merge between the
+# base commit (first parent) and the index tree (second parent).
+#
+# REV is set to the symbolic version of the specified stash-like commit
+# IS_STASH_LIKE is non-blank if ${REV} looks like a stash
+# IS_STASH_REF is non-blank if the ${REV} looks like a stash ref
+# s is set to the SHA1 of the stash commit
+# w_commit is set to the commit containing the working tree
+# b_commit is set to the base commit
+# i_commit is set to the commit containing the index tree
+# u_commit is set to the commit containing the untracked files tree
+# w_tree is set to the working tree
+# b_tree is set to the base tree
+# i_tree is set to the index tree
+# u_tree is set to the untracked files tree
+#
+# GIT_QUIET is set to t if -q is specified
+# INDEX_OPTION is set to --index if --index is specified.
+# FLAGS is set to the remaining flags (if allowed)
+#
+# dies if:
+# * too many revisions specified
+# * no revision is specified and there is no stash stack
+# * a revision is specified which cannot be resolve to a SHA1
+# * a non-existent stash reference is specified
+# * unknown flags were set and ALLOW_UNKNOWN_FLAGS is not "t"
+#
+
+parse_flags_and_rev()
+{
+ test "$PARSE_CACHE" = "$*" && return 0 # optimisation
+ PARSE_CACHE="$*"
+
+ IS_STASH_LIKE=
+ IS_STASH_REF=
+ INDEX_OPTION=
+ s=
+ w_commit=
+ b_commit=
+ i_commit=
+ u_commit=
+ w_tree=
+ b_tree=
+ i_tree=
+ u_tree=
+
+ FLAGS=
+ REV=
+ for opt
+ do
+ case "$opt" in
+ -q|--quiet)
+ GIT_QUIET=-t
+ ;;
+ --index)
+ INDEX_OPTION=--index
+ ;;
+ --help)
+ show_help
+ ;;
+ -*)
+ test "$ALLOW_UNKNOWN_FLAGS" = t ||
+ die "$(eval_gettext "unknown option: \$opt")"
+ FLAGS="${FLAGS}${FLAGS:+ }$opt"
+ ;;
+ *)
+ REV="${REV}${REV:+ }'$opt'"
+ ;;
+ esac
+ done
+
+ eval set -- $REV
+
+ case $# in
+ 0)
+ have_stash || die "$(gettext "No stash entries found.")"
+ set -- ${ref_stash}@{0}
+ ;;
+ 1)
+ :
+ ;;
+ *)
+ die "$(eval_gettext "Too many revisions specified: \$REV")"
+ ;;
+ esac
+
+ case "$1" in
+ *[!0-9]*)
+ :
+ ;;
+ *)
+ set -- "${ref_stash}@{$1}"
+ ;;
+ esac
+
+ REV=$(git rev-parse --symbolic --verify --quiet "$1") || {
+ reference="$1"
+ die "$(eval_gettext "\$reference is not a valid reference")"
+ }
+
+ i_commit=$(git rev-parse --verify --quiet "$REV^2") &&
+ set -- $(git rev-parse "$REV" "$REV^1" "$REV:" "$REV^1:" "$REV^2:" 2>/dev/null) &&
+ s=$1 &&
+ w_commit=$1 &&
+ b_commit=$2 &&
+ w_tree=$3 &&
+ b_tree=$4 &&
+ i_tree=$5 &&
+ IS_STASH_LIKE=t &&
+ test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" &&
+ IS_STASH_REF=t
+
+ u_commit=$(git rev-parse --verify --quiet "$REV^3") &&
+ u_tree=$(git rev-parse "$REV^3:" 2>/dev/null)
+}
+
+is_stash_like()
+{
+ parse_flags_and_rev "$@"
+ test -n "$IS_STASH_LIKE"
+}
+
+assert_stash_like() {
+ is_stash_like "$@" || {
+ args="$*"
+ die "$(eval_gettext "'\$args' is not a stash-like commit")"
+ }
+}
+
+is_stash_ref() {
+ is_stash_like "$@" && test -n "$IS_STASH_REF"
+}
+
+assert_stash_ref() {
+ is_stash_ref "$@" || {
+ args="$*"
+ die "$(eval_gettext "'\$args' is not a stash reference")"
+ }
+}
+
+apply_stash () {
+
+ assert_stash_like "$@"
+
+ git update-index -q --refresh || die "$(gettext "unable to refresh index")"
+
+ # current index state
+ c_tree=$(git write-tree) ||
+ die "$(gettext "Cannot apply a stash in the middle of a merge")"
+
+ unstashed_index_tree=
+ if test -n "$INDEX_OPTION" && test "$b_tree" != "$i_tree" &&
+ test "$c_tree" != "$i_tree"
+ then
+ git diff-tree --binary $s^2^..$s^2 | git apply --cached
+ test $? -ne 0 &&
+ die "$(gettext "Conflicts in index. Try without --index.")"
+ unstashed_index_tree=$(git write-tree) ||
+ die "$(gettext "Could not save index tree")"
+ git reset
+ fi
+
+ if test -n "$u_tree"
+ then
+ GIT_INDEX_FILE="$TMPindex" git read-tree "$u_tree" &&
+ GIT_INDEX_FILE="$TMPindex" git checkout-index --all &&
+ rm -f "$TMPindex" ||
+ die "$(gettext "Could not restore untracked files from stash entry")"
+ fi
+
+ eval "
+ GITHEAD_$w_tree='Stashed changes' &&
+ GITHEAD_$c_tree='Updated upstream' &&
+ GITHEAD_$b_tree='Version stash was based on' &&
+ export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree
+ "
+
+ if test -n "$GIT_QUIET"
+ then
+ GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
+ fi
+ if git merge-recursive $b_tree -- $c_tree $w_tree
+ then
+ # No conflict
+ if test -n "$unstashed_index_tree"
+ then
+ git read-tree "$unstashed_index_tree"
+ else
+ a="$TMP-added" &&
+ git diff-index --cached --name-only --diff-filter=A $c_tree >"$a" &&
+ git read-tree --reset $c_tree &&
+ git update-index --add --stdin <"$a" ||
+ die "$(gettext "Cannot unstage modified files")"
+ rm -f "$a"
+ fi
+ squelch=
+ if test -n "$GIT_QUIET"
+ then
+ squelch='>/dev/null 2>&1'
+ fi
+ (cd "$START_DIR" && eval "git status $squelch") || :
+ else
+ # Merge conflict; keep the exit status from merge-recursive
+ status=$?
+ git rerere
+ if test -n "$INDEX_OPTION"
+ then
+ gettextln "Index was not unstashed." >&2
+ fi
+ exit $status
+ fi
+}
+
+pop_stash() {
+ assert_stash_ref "$@"
+
+ if apply_stash "$@"
+ then
+ drop_stash "$@"
+ else
+ status=$?
+ say "$(gettext "The stash entry is kept in case you need it again.")"
+ exit $status
+ fi
+}
+
+drop_stash () {
+ assert_stash_ref "$@"
+
+ git reflog delete --updateref --rewrite "${REV}" &&
+ say "$(eval_gettext "Dropped \${REV} (\$s)")" ||
+ die "$(eval_gettext "\${REV}: Could not drop stash entry")"
+
+ # clear_stash if we just dropped the last stash entry
+ git rev-parse --verify --quiet "$ref_stash@{0}" >/dev/null ||
+ clear_stash
+}
+
+apply_to_branch () {
+ test -n "$1" || die "$(gettext "No branch name specified")"
+ branch=$1
+ shift 1
+
+ set -- --index "$@"
+ assert_stash_like "$@"
+
+ git checkout -b $branch $REV^ &&
+ apply_stash "$@" && {
+ test -z "$IS_STASH_REF" || drop_stash "$@"
+ }
+}
+
+test "$1" = "-p" && set "push" "$@"
+
+PARSE_CACHE='--not-parsed'
+# The default command is "push" if nothing but options are given
+seen_non_option=
+for opt
+do
+ case "$opt" in
+ --) break ;;
+ -*) ;;
+ *) seen_non_option=t; break ;;
+ esac
+done
+
+test -n "$seen_non_option" || set "push" "$@"
+
+# Main command set
+case "$1" in
+list)
+ shift
+ list_stash "$@"
+ ;;
+show)
+ shift
+ show_stash "$@"
+ ;;
+save)
+ shift
+ save_stash "$@"
+ ;;
+push)
+ shift
+ push_stash "$@"
+ ;;
+apply)
+ shift
+ apply_stash "$@"
+ ;;
+clear)
+ shift
+ clear_stash "$@"
+ ;;
+create)
+ shift
+ create_stash -m "$*" && echo "$w_commit"
+ ;;
+store)
+ shift
+ store_stash "$@"
+ ;;
+drop)
+ shift
+ drop_stash "$@"
+ ;;
+pop)
+ shift
+ pop_stash "$@"
+ ;;
+branch)
+ shift
+ apply_to_branch "$@"
+ ;;
+*)
+ case $# in
+ 0)
+ push_stash &&
+ say "$(gettext "(To restore them type \"git stash apply\")")"
+ ;;
+ *)
+ usage
+ esac
+ ;;
+esac
+++ /dev/null
-#!/bin/sh
-# Copyright (c) 2007, Nanako Shiraishi
-
-dashless=$(basename "$0" | sed -e 's/-/ /')
-USAGE="list [<options>]
- or: $dashless show [<stash>]
- or: $dashless drop [-q|--quiet] [<stash>]
- or: $dashless ( pop | apply ) [--index] [-q|--quiet] [<stash>]
- or: $dashless branch <branchname> [<stash>]
- or: $dashless save [--patch] [-k|--[no-]keep-index] [-q|--quiet]
- [-u|--include-untracked] [-a|--all] [<message>]
- or: $dashless [push [--patch] [-k|--[no-]keep-index] [-q|--quiet]
- [-u|--include-untracked] [-a|--all] [-m <message>]
- [-- <pathspec>...]]
- or: $dashless clear"
-
-SUBDIRECTORY_OK=Yes
-OPTIONS_SPEC=
-START_DIR=$(pwd)
-. git-sh-setup
-require_work_tree
-prefix=$(git rev-parse --show-prefix) || exit 1
-cd_to_toplevel
-
-TMP="$GIT_DIR/.git-stash.$$"
-TMPindex=${GIT_INDEX_FILE-"$(git rev-parse --git-path index)"}.stash.$$
-trap 'rm -f "$TMP-"* "$TMPindex"' 0
-
-ref_stash=refs/stash
-
-if git config --get-colorbool color.interactive; then
- help_color="$(git config --get-color color.interactive.help 'red bold')"
- reset_color="$(git config --get-color '' reset)"
-else
- help_color=
- reset_color=
-fi
-
-no_changes () {
- git diff-index --quiet --cached HEAD --ignore-submodules -- "$@" &&
- git diff-files --quiet --ignore-submodules -- "$@" &&
- (test -z "$untracked" || test -z "$(untracked_files "$@")")
-}
-
-untracked_files () {
- if test "$1" = "-z"
- then
- shift
- z=-z
- else
- z=
- fi
- excl_opt=--exclude-standard
- test "$untracked" = "all" && excl_opt=
- git ls-files -o $z $excl_opt -- "$@"
-}
-
-prepare_fallback_ident () {
- if ! git -c user.useconfigonly=yes var GIT_COMMITTER_IDENT >/dev/null 2>&1
- then
- GIT_AUTHOR_NAME="git stash"
- GIT_AUTHOR_EMAIL=git@stash
- GIT_COMMITTER_NAME="git stash"
- GIT_COMMITTER_EMAIL=git@stash
- export GIT_AUTHOR_NAME
- export GIT_AUTHOR_EMAIL
- export GIT_COMMITTER_NAME
- export GIT_COMMITTER_EMAIL
- fi
-}
-
-clear_stash () {
- if test $# != 0
- then
- die "$(gettext "git stash clear with parameters is unimplemented")"
- fi
- if current=$(git rev-parse --verify --quiet $ref_stash)
- then
- git update-ref -d $ref_stash $current
- fi
-}
-
-create_stash () {
-
- prepare_fallback_ident
-
- stash_msg=
- untracked=
- while test $# != 0
- do
- case "$1" in
- -m|--message)
- shift
- stash_msg=${1?"BUG: create_stash () -m requires an argument"}
- ;;
- -m*)
- stash_msg=${1#-m}
- ;;
- --message=*)
- stash_msg=${1#--message=}
- ;;
- -u|--include-untracked)
- shift
- untracked=${1?"BUG: create_stash () -u requires an argument"}
- ;;
- --)
- shift
- break
- ;;
- esac
- shift
- done
-
- git update-index -q --refresh
- if no_changes "$@"
- then
- exit 0
- fi
-
- # state of the base commit
- if b_commit=$(git rev-parse --verify HEAD)
- then
- head=$(git rev-list --oneline -n 1 HEAD --)
- else
- die "$(gettext "You do not have the initial commit yet")"
- fi
-
- if branch=$(git symbolic-ref -q HEAD)
- then
- branch=${branch#refs/heads/}
- else
- branch='(no branch)'
- fi
- msg=$(printf '%s: %s' "$branch" "$head")
-
- # state of the index
- i_tree=$(git write-tree) &&
- i_commit=$(printf 'index on %s\n' "$msg" |
- git commit-tree $i_tree -p $b_commit) ||
- die "$(gettext "Cannot save the current index state")"
-
- if test -n "$untracked"
- then
- # Untracked files are stored by themselves in a parentless commit, for
- # ease of unpacking later.
- u_commit=$(
- untracked_files -z "$@" | (
- GIT_INDEX_FILE="$TMPindex" &&
- export GIT_INDEX_FILE &&
- rm -f "$TMPindex" &&
- git update-index -z --add --remove --stdin &&
- u_tree=$(git write-tree) &&
- printf 'untracked files on %s\n' "$msg" | git commit-tree $u_tree &&
- rm -f "$TMPindex"
- ) ) || die "$(gettext "Cannot save the untracked files")"
-
- untracked_commit_option="-p $u_commit";
- else
- untracked_commit_option=
- fi
-
- if test -z "$patch_mode"
- then
-
- # state of the working tree
- w_tree=$( (
- git read-tree --index-output="$TMPindex" -m $i_tree &&
- GIT_INDEX_FILE="$TMPindex" &&
- export GIT_INDEX_FILE &&
- git diff-index --name-only -z HEAD -- "$@" >"$TMP-stagenames" &&
- git update-index -z --add --remove --stdin <"$TMP-stagenames" &&
- git write-tree &&
- rm -f "$TMPindex"
- ) ) ||
- die "$(gettext "Cannot save the current worktree state")"
-
- else
-
- rm -f "$TMP-index" &&
- GIT_INDEX_FILE="$TMP-index" git read-tree HEAD &&
-
- # find out what the user wants
- GIT_INDEX_FILE="$TMP-index" \
- git add--interactive --patch=stash -- "$@" &&
-
- # state of the working tree
- w_tree=$(GIT_INDEX_FILE="$TMP-index" git write-tree) ||
- die "$(gettext "Cannot save the current worktree state")"
-
- git diff-tree -p HEAD $w_tree -- >"$TMP-patch" &&
- test -s "$TMP-patch" ||
- die "$(gettext "No changes selected")"
-
- rm -f "$TMP-index" ||
- die "$(gettext "Cannot remove temporary index (can't happen)")"
-
- fi
-
- # create the stash
- if test -z "$stash_msg"
- then
- stash_msg=$(printf 'WIP on %s' "$msg")
- else
- stash_msg=$(printf 'On %s: %s' "$branch" "$stash_msg")
- fi
- w_commit=$(printf '%s\n' "$stash_msg" |
- git commit-tree $w_tree -p $b_commit -p $i_commit $untracked_commit_option) ||
- die "$(gettext "Cannot record working tree state")"
-}
-
-store_stash () {
- while test $# != 0
- do
- case "$1" in
- -m|--message)
- shift
- stash_msg="$1"
- ;;
- -m*)
- stash_msg=${1#-m}
- ;;
- --message=*)
- stash_msg=${1#--message=}
- ;;
- -q|--quiet)
- quiet=t
- ;;
- *)
- break
- ;;
- esac
- shift
- done
- test $# = 1 ||
- die "$(eval_gettext "\"$dashless store\" requires one <commit> argument")"
-
- w_commit="$1"
- if test -z "$stash_msg"
- then
- stash_msg="Created via \"git stash store\"."
- fi
-
- git update-ref --create-reflog -m "$stash_msg" $ref_stash $w_commit
- ret=$?
- test $ret != 0 && test -z "$quiet" &&
- die "$(eval_gettext "Cannot update \$ref_stash with \$w_commit")"
- return $ret
-}
-
-push_stash () {
- keep_index=
- patch_mode=
- untracked=
- stash_msg=
- while test $# != 0
- do
- case "$1" in
- -k|--keep-index)
- keep_index=t
- ;;
- --no-keep-index)
- keep_index=n
- ;;
- -p|--patch)
- patch_mode=t
- # only default to keep if we don't already have an override
- test -z "$keep_index" && keep_index=t
- ;;
- -q|--quiet)
- GIT_QUIET=t
- ;;
- -u|--include-untracked)
- untracked=untracked
- ;;
- -a|--all)
- untracked=all
- ;;
- -m|--message)
- shift
- test -z ${1+x} && usage
- stash_msg=$1
- ;;
- -m*)
- stash_msg=${1#-m}
- ;;
- --message=*)
- stash_msg=${1#--message=}
- ;;
- --help)
- show_help
- ;;
- --)
- shift
- break
- ;;
- -*)
- option="$1"
- eval_gettextln "error: unknown option for 'stash push': \$option"
- usage
- ;;
- *)
- break
- ;;
- esac
- shift
- done
-
- eval "set $(git rev-parse --sq --prefix "$prefix" -- "$@")"
-
- if test -n "$patch_mode" && test -n "$untracked"
- then
- die "$(gettext "Can't use --patch and --include-untracked or --all at the same time")"
- fi
-
- test -n "$untracked" || git ls-files --error-unmatch -- "$@" >/dev/null || exit 1
-
- git update-index -q --refresh
- if no_changes "$@"
- then
- say "$(gettext "No local changes to save")"
- exit 0
- fi
-
- git reflog exists $ref_stash ||
- clear_stash || die "$(gettext "Cannot initialize stash")"
-
- create_stash -m "$stash_msg" -u "$untracked" -- "$@"
- store_stash -m "$stash_msg" -q $w_commit ||
- die "$(gettext "Cannot save the current status")"
- say "$(eval_gettext "Saved working directory and index state \$stash_msg")"
-
- if test -z "$patch_mode"
- then
- test "$untracked" = "all" && CLEAN_X_OPTION=-x || CLEAN_X_OPTION=
- if test -n "$untracked" && test $# = 0
- then
- git clean --force --quiet -d $CLEAN_X_OPTION
- fi
-
- if test $# != 0
- then
- test -z "$untracked" && UPDATE_OPTION="-u" || UPDATE_OPTION=
- test "$untracked" = "all" && FORCE_OPTION="--force" || FORCE_OPTION=
- git add $UPDATE_OPTION $FORCE_OPTION -- "$@"
- git diff-index -p --cached --binary HEAD -- "$@" |
- git apply --index -R
- else
- git reset --hard -q
- fi
-
- if test "$keep_index" = "t" && test -n "$i_tree"
- then
- git read-tree --reset $i_tree
- git ls-files -z --modified -- "$@" |
- git checkout-index -z --force --stdin
- fi
- else
- git apply -R < "$TMP-patch" ||
- die "$(gettext "Cannot remove worktree changes")"
-
- if test "$keep_index" != "t"
- then
- git reset -q -- "$@"
- fi
- fi
-}
-
-save_stash () {
- push_options=
- while test $# != 0
- do
- case "$1" in
- --)
- shift
- break
- ;;
- -*)
- # pass all options through to push_stash
- push_options="$push_options $1"
- ;;
- *)
- break
- ;;
- esac
- shift
- done
-
- stash_msg="$*"
-
- if test -z "$stash_msg"
- then
- push_stash $push_options
- else
- push_stash $push_options -m "$stash_msg"
- fi
-}
-
-have_stash () {
- git rev-parse --verify --quiet $ref_stash >/dev/null
-}
-
-list_stash () {
- have_stash || return 0
- git log --format="%gd: %gs" -g --first-parent -m "$@" $ref_stash --
-}
-
-show_stash () {
- ALLOW_UNKNOWN_FLAGS=t
- assert_stash_like "$@"
-
- if test -z "$FLAGS"
- then
- if test "$(git config --bool stash.showStat || echo true)" = "true"
- then
- FLAGS=--stat
- fi
-
- if test "$(git config --bool stash.showPatch || echo false)" = "true"
- then
- FLAGS=${FLAGS}${FLAGS:+ }-p
- fi
-
- if test -z "$FLAGS"
- then
- return 0
- fi
- fi
-
- git diff ${FLAGS} $b_commit $w_commit
-}
-
-show_help () {
- exec git help stash
- exit 1
-}
-
-#
-# Parses the remaining options looking for flags and
-# at most one revision defaulting to ${ref_stash}@{0}
-# if none found.
-#
-# Derives related tree and commit objects from the
-# revision, if one is found.
-#
-# stash records the work tree, and is a merge between the
-# base commit (first parent) and the index tree (second parent).
-#
-# REV is set to the symbolic version of the specified stash-like commit
-# IS_STASH_LIKE is non-blank if ${REV} looks like a stash
-# IS_STASH_REF is non-blank if the ${REV} looks like a stash ref
-# s is set to the SHA1 of the stash commit
-# w_commit is set to the commit containing the working tree
-# b_commit is set to the base commit
-# i_commit is set to the commit containing the index tree
-# u_commit is set to the commit containing the untracked files tree
-# w_tree is set to the working tree
-# b_tree is set to the base tree
-# i_tree is set to the index tree
-# u_tree is set to the untracked files tree
-#
-# GIT_QUIET is set to t if -q is specified
-# INDEX_OPTION is set to --index if --index is specified.
-# FLAGS is set to the remaining flags (if allowed)
-#
-# dies if:
-# * too many revisions specified
-# * no revision is specified and there is no stash stack
-# * a revision is specified which cannot be resolve to a SHA1
-# * a non-existent stash reference is specified
-# * unknown flags were set and ALLOW_UNKNOWN_FLAGS is not "t"
-#
-
-parse_flags_and_rev()
-{
- test "$PARSE_CACHE" = "$*" && return 0 # optimisation
- PARSE_CACHE="$*"
-
- IS_STASH_LIKE=
- IS_STASH_REF=
- INDEX_OPTION=
- s=
- w_commit=
- b_commit=
- i_commit=
- u_commit=
- w_tree=
- b_tree=
- i_tree=
- u_tree=
-
- FLAGS=
- REV=
- for opt
- do
- case "$opt" in
- -q|--quiet)
- GIT_QUIET=-t
- ;;
- --index)
- INDEX_OPTION=--index
- ;;
- --help)
- show_help
- ;;
- -*)
- test "$ALLOW_UNKNOWN_FLAGS" = t ||
- die "$(eval_gettext "unknown option: \$opt")"
- FLAGS="${FLAGS}${FLAGS:+ }$opt"
- ;;
- *)
- REV="${REV}${REV:+ }'$opt'"
- ;;
- esac
- done
-
- eval set -- $REV
-
- case $# in
- 0)
- have_stash || die "$(gettext "No stash entries found.")"
- set -- ${ref_stash}@{0}
- ;;
- 1)
- :
- ;;
- *)
- die "$(eval_gettext "Too many revisions specified: \$REV")"
- ;;
- esac
-
- case "$1" in
- *[!0-9]*)
- :
- ;;
- *)
- set -- "${ref_stash}@{$1}"
- ;;
- esac
-
- REV=$(git rev-parse --symbolic --verify --quiet "$1") || {
- reference="$1"
- die "$(eval_gettext "\$reference is not a valid reference")"
- }
-
- i_commit=$(git rev-parse --verify --quiet "$REV^2") &&
- set -- $(git rev-parse "$REV" "$REV^1" "$REV:" "$REV^1:" "$REV^2:" 2>/dev/null) &&
- s=$1 &&
- w_commit=$1 &&
- b_commit=$2 &&
- w_tree=$3 &&
- b_tree=$4 &&
- i_tree=$5 &&
- IS_STASH_LIKE=t &&
- test "$ref_stash" = "$(git rev-parse --symbolic-full-name "${REV%@*}")" &&
- IS_STASH_REF=t
-
- u_commit=$(git rev-parse --verify --quiet "$REV^3") &&
- u_tree=$(git rev-parse "$REV^3:" 2>/dev/null)
-}
-
-is_stash_like()
-{
- parse_flags_and_rev "$@"
- test -n "$IS_STASH_LIKE"
-}
-
-assert_stash_like() {
- is_stash_like "$@" || {
- args="$*"
- die "$(eval_gettext "'\$args' is not a stash-like commit")"
- }
-}
-
-is_stash_ref() {
- is_stash_like "$@" && test -n "$IS_STASH_REF"
-}
-
-assert_stash_ref() {
- is_stash_ref "$@" || {
- args="$*"
- die "$(eval_gettext "'\$args' is not a stash reference")"
- }
-}
-
-apply_stash () {
-
- assert_stash_like "$@"
-
- git update-index -q --refresh || die "$(gettext "unable to refresh index")"
-
- # current index state
- c_tree=$(git write-tree) ||
- die "$(gettext "Cannot apply a stash in the middle of a merge")"
-
- unstashed_index_tree=
- if test -n "$INDEX_OPTION" && test "$b_tree" != "$i_tree" &&
- test "$c_tree" != "$i_tree"
- then
- git diff-tree --binary $s^2^..$s^2 | git apply --cached
- test $? -ne 0 &&
- die "$(gettext "Conflicts in index. Try without --index.")"
- unstashed_index_tree=$(git write-tree) ||
- die "$(gettext "Could not save index tree")"
- git reset
- fi
-
- if test -n "$u_tree"
- then
- GIT_INDEX_FILE="$TMPindex" git read-tree "$u_tree" &&
- GIT_INDEX_FILE="$TMPindex" git checkout-index --all &&
- rm -f "$TMPindex" ||
- die "$(gettext "Could not restore untracked files from stash entry")"
- fi
-
- eval "
- GITHEAD_$w_tree='Stashed changes' &&
- GITHEAD_$c_tree='Updated upstream' &&
- GITHEAD_$b_tree='Version stash was based on' &&
- export GITHEAD_$w_tree GITHEAD_$c_tree GITHEAD_$b_tree
- "
-
- if test -n "$GIT_QUIET"
- then
- GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
- fi
- if git merge-recursive $b_tree -- $c_tree $w_tree
- then
- # No conflict
- if test -n "$unstashed_index_tree"
- then
- git read-tree "$unstashed_index_tree"
- else
- a="$TMP-added" &&
- git diff-index --cached --name-only --diff-filter=A $c_tree >"$a" &&
- git read-tree --reset $c_tree &&
- git update-index --add --stdin <"$a" ||
- die "$(gettext "Cannot unstage modified files")"
- rm -f "$a"
- fi
- squelch=
- if test -n "$GIT_QUIET"
- then
- squelch='>/dev/null 2>&1'
- fi
- (cd "$START_DIR" && eval "git status $squelch") || :
- else
- # Merge conflict; keep the exit status from merge-recursive
- status=$?
- git rerere
- if test -n "$INDEX_OPTION"
- then
- gettextln "Index was not unstashed." >&2
- fi
- exit $status
- fi
-}
-
-pop_stash() {
- assert_stash_ref "$@"
-
- if apply_stash "$@"
- then
- drop_stash "$@"
- else
- status=$?
- say "$(gettext "The stash entry is kept in case you need it again.")"
- exit $status
- fi
-}
-
-drop_stash () {
- assert_stash_ref "$@"
-
- git reflog delete --updateref --rewrite "${REV}" &&
- say "$(eval_gettext "Dropped \${REV} (\$s)")" ||
- die "$(eval_gettext "\${REV}: Could not drop stash entry")"
-
- # clear_stash if we just dropped the last stash entry
- git rev-parse --verify --quiet "$ref_stash@{0}" >/dev/null ||
- clear_stash
-}
-
-apply_to_branch () {
- test -n "$1" || die "$(gettext "No branch name specified")"
- branch=$1
- shift 1
-
- set -- --index "$@"
- assert_stash_like "$@"
-
- git checkout -b $branch $REV^ &&
- apply_stash "$@" && {
- test -z "$IS_STASH_REF" || drop_stash "$@"
- }
-}
-
-test "$1" = "-p" && set "push" "$@"
-
-PARSE_CACHE='--not-parsed'
-# The default command is "push" if nothing but options are given
-seen_non_option=
-for opt
-do
- case "$opt" in
- --) break ;;
- -*) ;;
- *) seen_non_option=t; break ;;
- esac
-done
-
-test -n "$seen_non_option" || set "push" "$@"
-
-# Main command set
-case "$1" in
-list)
- shift
- list_stash "$@"
- ;;
-show)
- shift
- show_stash "$@"
- ;;
-save)
- shift
- save_stash "$@"
- ;;
-push)
- shift
- push_stash "$@"
- ;;
-apply)
- shift
- apply_stash "$@"
- ;;
-clear)
- shift
- clear_stash "$@"
- ;;
-create)
- shift
- create_stash -m "$*" && echo "$w_commit"
- ;;
-store)
- shift
- store_stash "$@"
- ;;
-drop)
- shift
- drop_stash "$@"
- ;;
-pop)
- shift
- pop_stash "$@"
- ;;
-branch)
- shift
- apply_to_branch "$@"
- ;;
-*)
- case $# in
- 0)
- push_stash &&
- say "$(gettext "(To restore them type \"git stash apply\")")"
- ;;
- *)
- usage
- esac
- ;;
-esac