#include "refs.h"
#include "remote.h"
#include "commit.h"
-#include "sequencer.h"
struct tracking {
struct refspec spec;
const char *head;
unsigned char sha1[20];
- head = resolve_ref("HEAD", sha1, 0, NULL);
+ head = resolve_ref_unsafe("HEAD", sha1, 0, NULL);
if (!is_bare_repository() && head && !strcmp(head, ref->buf))
die("Cannot force update the current branch.");
}
void create_branch(const char *head,
const char *name, const char *start_name,
- int force, int reflog, enum branch_track track)
+ int force, int reflog, int clobber_head,
+ enum branch_track track)
{
struct ref_lock *lock = NULL;
struct commit *commit;
explicit_tracking = 1;
if (validate_new_branchname(name, &ref, force,
- track == BRANCH_TRACK_OVERRIDE)) {
+ track == BRANCH_TRACK_OVERRIDE ||
+ clobber_head)) {
if (!force)
dont_change_ref = 1;
else
unlink(git_path("MERGE_MSG"));
unlink(git_path("MERGE_MODE"));
unlink(git_path("SQUASH_MSG"));
- remove_sequencer_state(0);
}
*/
struct commit *reference_rev = NULL;
const char *reference_name = NULL;
+ void *reference_name_to_free = NULL;
int merged;
if (kind == REF_LOCAL_BRANCH) {
branch->merge &&
branch->merge[0] &&
branch->merge[0]->dst &&
- (reference_name =
- resolve_ref(branch->merge[0]->dst, sha1, 1, NULL)) != NULL) {
- reference_name = xstrdup(reference_name);
+ (reference_name = reference_name_to_free =
+ resolve_refdup(branch->merge[0]->dst, sha1, 1, NULL)) != NULL)
reference_rev = lookup_commit_reference(sha1);
- }
}
if (!reference_rev)
reference_rev = head_rev;
" '%s', even though it is merged to HEAD."),
name, reference_name);
}
- free((char *)reference_name);
+ free(reference_name_to_free);
return merged;
}
int flag;
const char *dst, *cp;
- dst = resolve_ref(src, sha1, 0, &flag);
+ dst = resolve_ref_unsafe(src, sha1, 0, &flag);
if (!(dst && (flag & REF_ISSYMREF)))
return NULL;
if (prefix && (cp = skip_prefix(dst, prefix)))
struct strbuf oldref = STRBUF_INIT, newref = STRBUF_INIT, logmsg = STRBUF_INIT;
struct strbuf oldsection = STRBUF_INIT, newsection = STRBUF_INIT;
int recovery = 0;
+ int clobber_head_ok;
if (!oldname)
die(_("cannot rename the current branch while not on any."));
die(_("Invalid branch name: '%s'"), oldname);
}
- validate_new_branchname(newname, &newref, force, 0);
+ /*
+ * A command like "git branch -M currentbranch currentbranch" cannot
+ * cause the worktree to become inconsistent with HEAD, so allow it.
+ */
+ clobber_head_ok = !strcmp(oldname, newname);
+
+ validate_new_branchname(newname, &newref, force, clobber_head_ok);
strbuf_addf(&logmsg, "Branch: renamed %s to %s",
oldref.buf, newref.buf);
track = git_branch_track;
- head = resolve_ref("HEAD", head_sha1, 0, NULL);
+ head = resolve_refdup("HEAD", head_sha1, 0, NULL);
if (!head)
die(_("Failed to resolve HEAD as a valid ref."));
- head = xstrdup(head);
if (!strcmp(head, "HEAD")) {
detached = 1;
} else {
if (kinds != REF_LOCAL_BRANCH)
die(_("-a and -r options to 'git branch' do not make sense with a branch name"));
create_branch(head, argv[0], (argc == 2) ? argv[1] : head,
- force_create, reflog, track);
+ force_create, reflog, 0, track);
} else
usage_with_options(builtin_branch_usage, options);
int force_detach;
int writeout_stage;
int writeout_error;
+ int overwrite_ignore;
/* not set by parse_options */
int branch_exists;
topts.gently = opts->merge && old->commit;
topts.verbose_update = !opts->quiet;
topts.fn = twoway_merge;
- topts.dir = xcalloc(1, sizeof(*topts.dir));
- topts.dir->flags |= DIR_SHOW_IGNORED;
- setup_standard_excludes(topts.dir);
+ if (opts->overwrite_ignore) {
+ topts.dir = xcalloc(1, sizeof(*topts.dir));
+ topts.dir->flags |= DIR_SHOW_IGNORED;
+ setup_standard_excludes(topts.dir);
+ }
tree = parse_tree_indirect(old->commit ?
old->commit->object.sha1 :
EMPTY_TREE_SHA1_BIN);
else
create_branch(old->name, opts->new_branch, new->name,
opts->new_branch_force ? 1 : 0,
- opts->new_branch_log, opts->track);
+ opts->new_branch_log,
+ opts->new_branch_force ? 1 : 0,
+ opts->track);
new->name = opts->new_branch;
setup_branch_path(new);
}
create_symref("HEAD", new->path, msg.buf);
if (!opts->quiet) {
if (old->path && !strcmp(new->path, old->path)) {
- fprintf(stderr, _("Already on '%s'\n"),
- new->name);
+ if (opts->new_branch_force)
+ fprintf(stderr, _("Reset branch '%s'\n"),
+ new->name);
+ else
+ fprintf(stderr, _("Already on '%s'\n"),
+ new->name);
} else if (opts->new_branch) {
if (opts->branch_exists)
fprintf(stderr, _("Switched to and reset branch '%s'\n"), new->name);
{
int ret = 0;
struct branch_info old;
+ void *path_to_free;
unsigned char rev[20];
int flag;
memset(&old, 0, sizeof(old));
- old.path = resolve_ref("HEAD", rev, 0, &flag);
- if (old.path)
- old.path = xstrdup(old.path);
+ old.path = path_to_free = resolve_refdup("HEAD", rev, 0, &flag);
old.commit = lookup_commit_reference_gently(rev, 1);
- if (!(flag & REF_ISSYMREF)) {
- free((char *)old.path);
+ if (!(flag & REF_ISSYMREF))
old.path = NULL;
- }
if (old.path && !prefixcmp(old.path, "refs/heads/"))
old.name = old.path + strlen("refs/heads/");
}
ret = merge_working_tree(opts, &old, new);
- if (ret)
+ if (ret) {
+ free(path_to_free);
return ret;
+ }
if (!opts->quiet && !old.path && old.commit && new->commit != old.commit)
orphaned_commit_warning(old.commit);
update_refs_for_switch(opts, &old, new);
ret = post_checkout_hook(old.commit, new->commit, 1);
- free((char *)old.path);
+ free(path_to_free);
return ret || opts->writeout_error;
}
3),
OPT__FORCE(&opts.force, "force checkout (throw away local modifications)"),
OPT_BOOLEAN('m', "merge", &opts.merge, "perform a 3-way merge with the new branch"),
+ OPT_BOOLEAN(0, "overwrite-ignore", &opts.overwrite_ignore, "update ignored files (default)"),
OPT_STRING(0, "conflict", &conflict_style, "style",
"conflict style (merge or diff3)"),
OPT_BOOLEAN('p', "patch", &patch_mode, "select hunks interactively"),
memset(&opts, 0, sizeof(opts));
memset(&new, 0, sizeof(new));
+ opts.overwrite_ignore = 1;
gitmodules_config();
git_config(git_checkout_config, &opts);
struct strbuf buf = STRBUF_INIT;
opts.branch_exists = validate_new_branchname(opts.new_branch, &buf,
- !!opts.new_branch_force, 0);
+ !!opts.new_branch_force,
+ !!opts.new_branch_force);
strbuf_release(&buf);
}
static const char *author_message, *author_message_buffer;
static char *edit_message, *use_message;
static char *fixup_message, *squash_message;
-static int all, edit_flag, also, interactive, patch_interactive, only, amend, signoff;
+static int all, also, interactive, patch_interactive, only, amend, signoff;
+static int edit_flag = -1; /* unspecified */
static int quiet, verbose, no_verify, allow_empty, dry_run, renew_authorship;
static int no_post_rewrite, allow_empty_message;
static char *untracked_files_arg, *force_date, *ignore_submodule_arg;
OPT_BOOLEAN(0, "reset-author", &renew_authorship, "the commit is authored by me now (used with -C-c/--amend)"),
OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
OPT_FILENAME('t', "template", &template_file, "use specified template file"),
- OPT_BOOLEAN('e', "edit", &edit_flag, "force edit of commit"),
+ OPT_BOOL('e', "edit", &edit_flag, "force edit of commit"),
OPT_STRING(0, "cleanup", &cleanup_arg, "default", "how to strip spaces and #comments from message"),
OPT_BOOLEAN(0, "status", &include_status, "include status in commit message template"),
/* end commit message options */
fd = hold_locked_index(&index_lock, 1);
add_files_to_cache(also ? prefix : NULL, pathspec, 0);
refresh_cache_or_die(refresh_flags);
+ update_main_cache_tree(1);
if (write_cache(fd, active_cache, active_nr) ||
close_lock_file(&index_lock))
die(_("unable to write new_index file"));
fd = hold_locked_index(&index_lock, 1);
refresh_cache_or_die(refresh_flags);
if (active_cache_changed) {
+ update_main_cache_tree(1);
if (write_cache(fd, active_cache, active_nr) ||
commit_locked_index(&index_lock))
die(_("unable to write new_index file"));
*/
discard_cache();
read_cache_from(index_file);
- if (!active_cache_tree)
- active_cache_tree = cache_tree();
- if (cache_tree_update(active_cache_tree,
- active_cache, active_nr, 0, 0) < 0) {
+ if (update_main_cache_tree(0)) {
error(_("Error building trees"));
return 0;
}
if (logfile || message.len || use_message || fixup_message)
use_editor = 0;
- if (edit_flag)
- use_editor = 1;
+ if (0 <= edit_flag)
+ use_editor = edit_flag;
if (!use_editor)
setenv("GIT_EDITOR", ":", 1);
rev.diffopt.break_opt = 0;
diff_setup_done(&rev.diffopt);
- head = resolve_ref("HEAD", junk_sha1, 0, NULL);
+ head = resolve_ref_unsafe("HEAD", junk_sha1, 0, NULL);
printf("[%s%s ",
!prefixcmp(head, "refs/heads/") ?
head + 11 :
static int option_commit = 1, allow_fast_forward = 1;
static int fast_forward_only, option_edit;
static int allow_trivial = 1, have_message;
+static int overwrite_ignore = 1;
static struct strbuf merge_msg;
static struct commit_list *remoteheads;
static struct strategy **use_strategies;
OPT_BOOLEAN(0, "abort", &abort_current_merge,
"abort the current in-progress merge"),
OPT_SET_INT(0, "progress", &show_progress, "force progress reporting", 1),
+ OPT_BOOLEAN(0, "overwrite-ignore", &overwrite_ignore, "update ignored files (default)"),
OPT_END()
};
memset(&trees, 0, sizeof(trees));
memset(&opts, 0, sizeof(opts));
memset(&t, 0, sizeof(t));
- memset(&dir, 0, sizeof(dir));
- dir.flags |= DIR_SHOW_IGNORED;
- setup_standard_excludes(&dir);
- opts.dir = &dir;
+ if (overwrite_ignore) {
+ memset(&dir, 0, sizeof(dir));
+ dir.flags |= DIR_SHOW_IGNORED;
+ setup_standard_excludes(&dir);
+ opts.dir = &dir;
+ }
opts.head_idx = 1;
opts.src_index = &the_index;
struct commit_list *common = NULL;
const char *best_strategy = NULL, *wt_strategy = NULL;
struct commit_list **remotes = &remoteheads;
+ void *branch_to_free;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage_with_options(builtin_merge_usage, builtin_merge_options);
* Check if we are _not_ on a detached HEAD, i.e. if there is a
* current branch.
*/
- branch = resolve_ref("HEAD", head_sha1, 0, &flag);
- if (branch) {
- if (!prefixcmp(branch, "refs/heads/"))
- branch += 11;
- branch = xstrdup(branch);
- }
+ branch = branch_to_free = resolve_refdup("HEAD", head_sha1, 0, &flag);
+ if (branch && !prefixcmp(branch, "refs/heads/"))
+ branch += 11;
if (!branch || is_null_sha1(head_sha1))
head_commit = NULL;
else
ret = suggest_conflicts(option_renormalize);
done:
- free((char *)branch);
+ free(branch_to_free);
return ret;
}
int allow_rerere_auto;
int mainline;
- int commit_argc;
- const char **commit_argv;
/* Merge strategy */
const char *strategy;
const char **xopts;
size_t xopts_nr, xopts_alloc;
+
+ /* Only used by REPLAY_NONE */
+ struct rev_info *revs;
};
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
die(_("program error"));
}
- opts->commit_argc = parse_options(argc, argv, NULL, options, usage_str,
- PARSE_OPT_KEEP_ARGV0 |
- PARSE_OPT_KEEP_UNKNOWN);
+ argc = parse_options(argc, argv, NULL, options, usage_str,
+ PARSE_OPT_KEEP_ARGV0 |
+ PARSE_OPT_KEEP_UNKNOWN);
/* Check for incompatible subcommands */
verify_opt_mutually_compatible(me,
NULL);
}
- else if (opts->commit_argc < 2)
- usage_with_options(usage_str, options);
-
if (opts->allow_ff)
verify_opt_compatible(me, "--ff",
"--signoff", opts->signoff,
"-x", opts->record_origin,
"--edit", opts->edit,
NULL);
- opts->commit_argv = argv;
+
+ if (opts->subcommand != REPLAY_NONE) {
+ opts->revs = NULL;
+ } else {
+ opts->revs = xmalloc(sizeof(*opts->revs));
+ init_revisions(opts->revs, NULL);
+ opts->revs->no_walk = 1;
+ if (argc < 2)
+ usage_with_options(usage_str, options);
+ argc = setup_revisions(argc, argv, opts->revs, NULL);
+ }
+
+ if (argc > 1)
+ usage_with_options(usage_str, options);
}
struct commit_message {
return res;
}
-static void prepare_revs(struct rev_info *revs, struct replay_opts *opts)
+static void prepare_revs(struct replay_opts *opts)
{
- int argc;
-
- init_revisions(revs, NULL);
- revs->no_walk = 1;
if (opts->action != REVERT)
- revs->reverse = 1;
+ opts->revs->reverse ^= 1;
- argc = setup_revisions(opts->commit_argc, opts->commit_argv, revs, NULL);
- if (argc > 1)
- usage(*revert_or_cherry_pick_usage(opts));
-
- if (prepare_revision_walk(revs))
+ if (prepare_revision_walk(opts->revs))
die(_("revision walk setup failed"));
- if (!revs->commits)
+ if (!opts->revs->commits)
die(_("empty commit set passed"));
}
static void walk_revs_populate_todo(struct commit_list **todo_list,
struct replay_opts *opts)
{
- struct rev_info revs;
struct commit *commit;
struct commit_list **next;
- prepare_revs(&revs, opts);
+ prepare_revs(opts);
next = todo_list;
- while ((commit = get_revision(&revs)))
+ while ((commit = get_revision(opts->revs)))
next = commit_list_append(commit, next);
}
if (!file_exists(git_path("CHERRY_PICK_HEAD")) &&
!file_exists(git_path("REVERT_HEAD")))
return error(_("no cherry-pick or revert in progress"));
- if (!resolve_ref("HEAD", head_sha1, 0, NULL))
+ if (read_ref_full("HEAD", head_sha1, 0, NULL))
return error(_("cannot resolve HEAD"));
if (is_null_sha1(head_sha1))
return error(_("cannot abort from a branch yet to be born"));
}
if (reset_for_rollback(sha1))
goto fail;
- remove_sequencer_state(1);
+ remove_sequencer_state();
strbuf_release(&buf);
return 0;
fail:
for (cur = todo_list; cur; cur = cur->next) {
save_todo(cur, opts);
res = do_pick_commit(cur->item, opts);
- if (res) {
- if (!cur->next)
- /*
- * An error was encountered while
- * picking the last commit; the
- * sequencer state is useless now --
- * the user simply needs to resolve
- * the conflict and commit
- */
- remove_sequencer_state(0);
+ if (res)
return res;
- }
}
/*
* Sequence of picks finished successfully; cleanup by
* removing the .git/sequencer directory
*/
- remove_sequencer_state(1);
+ remove_sequencer_state();
return 0;
}
+static int continue_single_pick(void)
+{
+ const char *argv[] = { "commit", NULL };
+
+ if (!file_exists(git_path("CHERRY_PICK_HEAD")) &&
+ !file_exists(git_path("REVERT_HEAD")))
+ return error(_("no cherry-pick or revert in progress"));
+ return run_command_v_opt(argv, RUN_GIT_CMD);
+}
+
+static int sequencer_continue(struct replay_opts *opts)
+{
+ struct commit_list *todo_list = NULL;
+
+ if (!file_exists(git_path(SEQ_TODO_FILE)))
+ return continue_single_pick();
+ read_populate_opts(&opts);
+ read_populate_todo(&todo_list, opts);
+
+ /* Verify that the conflict has been resolved */
+ if (file_exists(git_path("CHERRY_PICK_HEAD")) ||
+ file_exists(git_path("REVERT_HEAD"))) {
+ int ret = continue_single_pick();
+ if (ret)
+ return ret;
+ }
+ if (index_differs_from("HEAD", 0))
+ return error_dirty_index(opts);
+ todo_list = todo_list->next;
+ return pick_commits(todo_list, opts);
+}
+
+static int single_pick(struct commit *cmit, struct replay_opts *opts)
+{
+ setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
+ return do_pick_commit(cmit, opts);
+}
+
static int pick_revisions(struct replay_opts *opts)
{
struct commit_list *todo_list = NULL;
unsigned char sha1[20];
+ if (opts->subcommand == REPLAY_NONE)
+ assert(opts->revs);
+
read_and_refresh_cache(opts);
/*
* one that is being continued
*/
if (opts->subcommand == REPLAY_REMOVE_STATE) {
- remove_sequencer_state(1);
+ remove_sequencer_state();
return 0;
}
if (opts->subcommand == REPLAY_ROLLBACK)
return sequencer_rollback(opts);
- if (opts->subcommand == REPLAY_CONTINUE) {
- if (!file_exists(git_path(SEQ_TODO_FILE)))
- return error(_("No %s in progress"), action_name(opts));
- read_populate_opts(&opts);
- read_populate_todo(&todo_list, opts);
-
- /* Verify that the conflict has been resolved */
- if (!index_differs_from("HEAD", 0))
- todo_list = todo_list->next;
- return pick_commits(todo_list, opts);
+ if (opts->subcommand == REPLAY_CONTINUE)
+ return sequencer_continue(opts);
+
+ /*
+ * If we were called as "git cherry-pick <commit>", just
+ * cherry-pick/revert it, set CHERRY_PICK_HEAD /
+ * REVERT_HEAD, and don't touch the sequencer state.
+ * This means it is possible to cherry-pick in the middle
+ * of a cherry-pick sequence.
+ */
+ if (opts->revs->cmdline.nr == 1 &&
+ opts->revs->cmdline.rev->whence == REV_CMD_REV &&
+ opts->revs->no_walk &&
+ !opts->revs->cmdline.rev->flags) {
+ struct commit *cmit;
+ if (prepare_revision_walk(opts->revs))
+ die(_("revision walk setup failed"));
+ cmit = get_revision(opts->revs);
+ if (!cmit || get_revision(opts->revs))
+ die("BUG: expected exactly one commit from walk");
+ return single_pick(cmit, opts);
}
/*
void git_deflate_init(git_zstream *, int level);
void git_deflate_init_gzip(git_zstream *, int level);
void git_deflate_end(git_zstream *);
+int git_deflate_abort(git_zstream *);
int git_deflate_end_gently(git_zstream *);
int git_deflate(git_zstream *, int flush);
unsigned long git_deflate_bound(git_zstream *, unsigned long);
extern size_t packed_git_limit;
extern size_t delta_base_cache_limit;
extern unsigned long big_file_threshold;
+extern unsigned long pack_size_limit_cfg;
extern int read_replace_refs;
extern int fsync_object_files;
extern int core_preload_index;
*
* errno is sometimes set on errors, but not always.
*/
- extern const char *resolve_ref(const char *ref, unsigned char *sha1, int reading, int *flag);
+ extern const char *resolve_ref_unsafe(const char *ref, unsigned char *sha1, int reading, int *flag);
+ extern char *resolve_refdup(const char *ref, unsigned char *sha1, int reading, int *flag);
extern int dwim_ref(const char *str, int len, unsigned char *sha1, char **ref);
extern int dwim_log(const char *str, int len, unsigned char *sha1, char **ref);