#include "dir.h"
#include "run-command.h"
#include "quote.h"
+#include "tempfile.h"
#include "lockfile.h"
#include "cache-tree.h"
#include "refs.h"
#include "revision.h"
#include "log-tree.h"
#include "notes-utils.h"
+#include "rerere.h"
+#include "prompt.h"
/**
* Returns 1 if the file is empty or does not exist, 0 otherwise.
return strchrnul(msg, '\n') - msg;
}
+/**
+ * Returns true if `str` consists of only whitespace, false otherwise.
+ */
+static int str_isspace(const char *str)
+{
+ for (; *str; str++)
+ if (!isspace(*str))
+ return 0;
+
+ return 1;
+}
+
enum patch_format {
PATCH_FORMAT_UNKNOWN = 0,
- PATCH_FORMAT_MBOX
+ PATCH_FORMAT_MBOX,
+ PATCH_FORMAT_STGIT,
+ PATCH_FORMAT_STGIT_SERIES,
+ PATCH_FORMAT_HG
};
enum keep_type {
SCISSORS_TRUE /* pass --scissors to git-mailinfo */
};
+enum signoff_type {
+ SIGNOFF_FALSE = 0,
+ SIGNOFF_TRUE = 1,
+ SIGNOFF_EXPLICIT /* --signoff was set on the command-line */
+};
+
struct am_state {
/* state directory path */
char *dir;
int prec;
/* various operating modes and command line options */
+ int interactive;
int threeway;
int quiet;
- int signoff;
+ int signoff; /* enum signoff_type */
int utf8;
int keep; /* enum keep_type */
int message_id;
const char *resolvemsg;
int committer_date_is_author_date;
int ignore_date;
+ int allow_rerere_autoupdate;
const char *sign_commit;
int rebasing;
};
state->prec = 4;
+ git_config_get_bool("am.threeway", &state->threeway);
+
state->utf8 = 1;
git_config_get_bool("am.messageid", &state->message_id);
return mkpath("%s/%s", state->dir, path);
}
+/**
+ * For convenience to call write_file()
+ */
+static int write_state_text(const struct am_state *state,
+ const char *name, const char *string)
+{
+ return write_file(am_path(state, name), "%s", string);
+}
+
+static int write_state_count(const struct am_state *state,
+ const char *name, int value)
+{
+ return write_file(am_path(state, name), "%d", value);
+}
+
+static int write_state_bool(const struct am_state *state,
+ const char *name, int value)
+{
+ return write_state_text(state, name, value ? "t" : "f");
+}
+
/**
* If state->quiet is false, calls fprintf(fp, fmt, ...), and appends a newline
* at the end.
sq_quote_buf(&sb, state->author_date);
strbuf_addch(&sb, '\n');
- write_file(am_path(state, "author-script"), 1, "%s", sb.buf);
+ write_state_text(state, "author-script", sb.buf);
strbuf_release(&sb);
}
{
enum patch_format ret = PATCH_FORMAT_UNKNOWN;
struct strbuf l1 = STRBUF_INIT;
+ struct strbuf l2 = STRBUF_INIT;
+ struct strbuf l3 = STRBUF_INIT;
FILE *fp;
/*
goto done;
}
+ if (starts_with(l1.buf, "# This series applies on GIT commit")) {
+ ret = PATCH_FORMAT_STGIT_SERIES;
+ goto done;
+ }
+
+ if (!strcmp(l1.buf, "# HG changeset patch")) {
+ ret = PATCH_FORMAT_HG;
+ goto done;
+ }
+
+ strbuf_reset(&l2);
+ strbuf_getline_crlf(&l2, fp);
+ strbuf_reset(&l3);
+ strbuf_getline_crlf(&l3, fp);
+
+ /*
+ * If the second line is empty and the third is a From, Author or Date
+ * entry, this is likely an StGit patch.
+ */
+ if (l1.len && !l2.len &&
+ (starts_with(l3.buf, "From:") ||
+ starts_with(l3.buf, "Author:") ||
+ starts_with(l3.buf, "Date:"))) {
+ ret = PATCH_FORMAT_STGIT;
+ goto done;
+ }
+
if (l1.len && is_mail(fp)) {
ret = PATCH_FORMAT_MBOX;
goto done;
return 0;
}
+/**
+ * Callback signature for split_mail_conv(). The foreign patch should be
+ * read from `in`, and the converted patch (in RFC2822 mail format) should be
+ * written to `out`. Return 0 on success, or -1 on failure.
+ */
+typedef int (*mail_conv_fn)(FILE *out, FILE *in, int keep_cr);
+
+/**
+ * Calls `fn` for each file in `paths` to convert the foreign patch to the
+ * RFC2822 mail format suitable for parsing with git-mailinfo.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_conv(mail_conv_fn fn, struct am_state *state,
+ const char **paths, int keep_cr)
+{
+ static const char *stdin_only[] = {"-", NULL};
+ int i;
+
+ if (!*paths)
+ paths = stdin_only;
+
+ for (i = 0; *paths; paths++, i++) {
+ FILE *in, *out;
+ const char *mail;
+ int ret;
+
+ if (!strcmp(*paths, "-"))
+ in = stdin;
+ else
+ in = fopen(*paths, "r");
+
+ if (!in)
+ return error(_("could not open '%s' for reading: %s"),
+ *paths, strerror(errno));
+
+ mail = mkpath("%s/%0*d", state->dir, state->prec, i + 1);
+
+ out = fopen(mail, "w");
+ if (!out)
+ return error(_("could not open '%s' for writing: %s"),
+ mail, strerror(errno));
+
+ ret = fn(out, in, keep_cr);
+
+ fclose(out);
+ fclose(in);
+
+ if (ret)
+ return error(_("could not parse patch '%s'"), *paths);
+ }
+
+ state->cur = 1;
+ state->last = i;
+ return 0;
+}
+
+/**
+ * A split_mail_conv() callback that converts an StGit patch to an RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+static int stgit_patch_to_mail(FILE *out, FILE *in, int keep_cr)
+{
+ struct strbuf sb = STRBUF_INIT;
+ int subject_printed = 0;
+
+ while (!strbuf_getline(&sb, in, '\n')) {
+ const char *str;
+
+ if (str_isspace(sb.buf))
+ continue;
+ else if (skip_prefix(sb.buf, "Author:", &str))
+ fprintf(out, "From:%s\n", str);
+ else if (starts_with(sb.buf, "From") || starts_with(sb.buf, "Date"))
+ fprintf(out, "%s\n", sb.buf);
+ else if (!subject_printed) {
+ fprintf(out, "Subject: %s\n", sb.buf);
+ subject_printed = 1;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
+/**
+ * This function only supports a single StGit series file in `paths`.
+ *
+ * Given an StGit series file, converts the StGit patches in the series into
+ * RFC2822 messages suitable for parsing with git-mailinfo, and queues them in
+ * the state directory.
+ *
+ * Returns 0 on success, -1 on failure.
+ */
+static int split_mail_stgit_series(struct am_state *state, const char **paths,
+ int keep_cr)
+{
+ const char *series_dir;
+ char *series_dir_buf;
+ FILE *fp;
+ struct argv_array patches = ARGV_ARRAY_INIT;
+ struct strbuf sb = STRBUF_INIT;
+ int ret;
+
+ if (!paths[0] || paths[1])
+ return error(_("Only one StGIT patch series can be applied at once"));
+
+ series_dir_buf = xstrdup(*paths);
+ series_dir = dirname(series_dir_buf);
+
+ fp = fopen(*paths, "r");
+ if (!fp)
+ return error(_("could not open '%s' for reading: %s"), *paths,
+ strerror(errno));
+
+ while (!strbuf_getline(&sb, fp, '\n')) {
+ if (*sb.buf == '#')
+ continue; /* skip comment lines */
+
+ argv_array_push(&patches, mkpath("%s/%s", series_dir, sb.buf));
+ }
+
+ fclose(fp);
+ strbuf_release(&sb);
+ free(series_dir_buf);
+
+ ret = split_mail_conv(stgit_patch_to_mail, state, patches.argv, keep_cr);
+
+ argv_array_clear(&patches);
+ return ret;
+}
+
+/**
+ * A split_patches_conv() callback that converts a mercurial patch to a RFC2822
+ * message suitable for parsing with git-mailinfo.
+ */
+static int hg_patch_to_mail(FILE *out, FILE *in, int keep_cr)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ while (!strbuf_getline(&sb, in, '\n')) {
+ const char *str;
+
+ if (skip_prefix(sb.buf, "# User ", &str))
+ fprintf(out, "From: %s\n", str);
+ else if (skip_prefix(sb.buf, "# Date ", &str)) {
+ unsigned long timestamp;
+ long tz, tz2;
+ char *end;
+
+ errno = 0;
+ timestamp = strtoul(str, &end, 10);
+ if (errno)
+ return error(_("invalid timestamp"));
+
+ if (!skip_prefix(end, " ", &str))
+ return error(_("invalid Date line"));
+
+ errno = 0;
+ tz = strtol(str, &end, 10);
+ if (errno)
+ return error(_("invalid timezone offset"));
+
+ if (*end)
+ return error(_("invalid Date line"));
+
+ /*
+ * mercurial's timezone is in seconds west of UTC,
+ * however git's timezone is in hours + minutes east of
+ * UTC. Convert it.
+ */
+ tz2 = labs(tz) / 3600 * 100 + labs(tz) % 3600 / 60;
+ if (tz > 0)
+ tz2 = -tz2;
+
+ fprintf(out, "Date: %s\n", show_date(timestamp, tz2, DATE_MODE(RFC2822)));
+ } else if (starts_with(sb.buf, "# ")) {
+ continue;
+ } else {
+ fprintf(out, "\n%s\n", sb.buf);
+ break;
+ }
+ }
+
+ strbuf_reset(&sb);
+ while (strbuf_fread(&sb, 8192, in) > 0) {
+ fwrite(sb.buf, 1, sb.len, out);
+ strbuf_reset(&sb);
+ }
+
+ strbuf_release(&sb);
+ return 0;
+}
+
/**
* Splits a list of files/directories into individual email patches. Each path
* in `paths` must be a file/directory that is formatted according to
switch (patch_format) {
case PATCH_FORMAT_MBOX:
return split_mail_mbox(state, paths, keep_cr);
+ case PATCH_FORMAT_STGIT:
+ return split_mail_conv(stgit_patch_to_mail, state, paths, keep_cr);
+ case PATCH_FORMAT_STGIT_SERIES:
+ return split_mail_stgit_series(state, paths, keep_cr);
+ case PATCH_FORMAT_HG:
+ return split_mail_conv(hg_patch_to_mail, state, paths, keep_cr);
default:
die("BUG: invalid patch_format");
}
if (state->rebasing)
state->threeway = 1;
- write_file(am_path(state, "threeway"), 1, state->threeway ? "t" : "f");
-
- write_file(am_path(state, "quiet"), 1, state->quiet ? "t" : "f");
-
- write_file(am_path(state, "sign"), 1, state->signoff ? "t" : "f");
-
- write_file(am_path(state, "utf8"), 1, state->utf8 ? "t" : "f");
+ write_state_bool(state, "threeway", state->threeway);
+ write_state_bool(state, "quiet", state->quiet);
+ write_state_bool(state, "sign", state->signoff);
+ write_state_bool(state, "utf8", state->utf8);
switch (state->keep) {
case KEEP_FALSE:
die("BUG: invalid value for state->keep");
}
- write_file(am_path(state, "keep"), 1, "%s", str);
-
- write_file(am_path(state, "messageid"), 1, state->message_id ? "t" : "f");
+ write_state_text(state, "keep", str);
+ write_state_bool(state, "messageid", state->message_id);
switch (state->scissors) {
case SCISSORS_UNSET:
default:
die("BUG: invalid value for state->scissors");
}
-
- write_file(am_path(state, "scissors"), 1, "%s", str);
+ write_state_text(state, "scissors", str);
sq_quote_argv(&sb, state->git_apply_opts.argv, 0);
- write_file(am_path(state, "apply-opt"), 1, "%s", sb.buf);
+ write_state_text(state, "apply-opt", sb.buf);
if (state->rebasing)
- write_file(am_path(state, "rebasing"), 1, "%s", "");
+ write_state_text(state, "rebasing", "");
else
- write_file(am_path(state, "applying"), 1, "%s", "");
+ write_state_text(state, "applying", "");
if (!get_sha1("HEAD", curr_head)) {
- write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(curr_head));
+ write_state_text(state, "abort-safety", sha1_to_hex(curr_head));
if (!state->rebasing)
update_ref("am", "ORIG_HEAD", curr_head, NULL, 0,
UPDATE_REFS_DIE_ON_ERR);
} else {
- write_file(am_path(state, "abort-safety"), 1, "%s", "");
+ write_state_text(state, "abort-safety", "");
if (!state->rebasing)
delete_ref("ORIG_HEAD", NULL, 0);
}
* session is in progress, they should be written last.
*/
- write_file(am_path(state, "next"), 1, "%d", state->cur);
-
- write_file(am_path(state, "last"), 1, "%d", state->last);
+ write_state_count(state, "next", state->cur);
+ write_state_count(state, "last", state->last);
strbuf_release(&sb);
}
unlink(am_path(state, "original-commit"));
if (!get_sha1("HEAD", head))
- write_file(am_path(state, "abort-safety"), 1, "%s", sha1_to_hex(head));
+ write_state_text(state, "abort-safety", sha1_to_hex(head));
else
- write_file(am_path(state, "abort-safety"), 1, "%s", "");
+ write_state_text(state, "abort-safety", "");
state->cur++;
- write_file(am_path(state, "next"), 1, "%d", state->cur);
+ write_state_count(state, "next", state->cur);
}
/**
if (state->resolvemsg) {
printf_ln("%s", state->resolvemsg);
} else {
- const char *cmdline = "git am";
+ const char *cmdline = state->interactive ? "git am -i" : "git am";
printf_ln(_("When you have resolved this problem, run \"%s --continue\"."), cmdline);
printf_ln(_("If you prefer to skip this patch, run \"%s --skip\" instead."), cmdline);
exit(128);
}
+static void am_signoff(struct strbuf *sb)
+{
+ char *cp;
+ struct strbuf mine = STRBUF_INIT;
+
+ /* Does it end with our own sign-off? */
+ strbuf_addf(&mine, "\n%s%s\n",
+ sign_off_header,
+ fmt_name(getenv("GIT_COMMITTER_NAME"),
+ getenv("GIT_COMMITTER_EMAIL")));
+ if (mine.len < sb->len &&
+ !strcmp(mine.buf, sb->buf + sb->len - mine.len))
+ goto exit; /* no need to duplicate */
+
+ /* Does it have any Signed-off-by: in the text */
+ for (cp = sb->buf;
+ cp && *cp && (cp = strstr(cp, sign_off_header)) != NULL;
+ cp = strchr(cp, '\n')) {
+ if (sb->buf == cp || cp[-1] == '\n')
+ break;
+ }
+
+ strbuf_addstr(sb, mine.buf + !!cp);
+exit:
+ strbuf_release(&mine);
+}
+
+/**
+ * Appends signoff to the "msg" field of the am_state.
+ */
+static void am_append_signoff(struct am_state *state)
+{
+ struct strbuf sb = STRBUF_INIT;
+
+ strbuf_attach(&sb, state->msg, state->msg_len, state->msg_len);
+ am_signoff(&sb);
+ state->msg = strbuf_detach(&sb, &state->msg_len);
+}
+
/**
* Parses `mail` using git-mailinfo, extracting its patch and authorship info.
* state->msg will be set to the patch message. state->author_name,
strbuf_addstr(&msg, "\n\n");
if (strbuf_read_file(&msg, am_path(state, "msg"), 0) < 0)
die_errno(_("could not read '%s'"), am_path(state, "msg"));
- stripspace(&msg, 0);
+ strbuf_stripspace(&msg, 0);
if (state->signoff)
- append_signoff(&msg, 0, 0);
+ am_signoff(&msg);
assert(!state->author_name);
state->author_name = strbuf_detach(&author_name, NULL);
log_tree_commit(&rev_info, commit);
}
+/**
+ * Writes the diff of the index against HEAD as a patch to the state
+ * directory's "patch" file.
+ */
+static void write_index_patch(const struct am_state *state)
+{
+ struct tree *tree;
+ unsigned char head[GIT_SHA1_RAWSZ];
+ struct rev_info rev_info;
+ FILE *fp;
+
+ if (!get_sha1_tree("HEAD", head))
+ tree = lookup_tree(head);
+ else
+ tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+
+ fp = xfopen(am_path(state, "patch"), "w");
+ init_revisions(&rev_info, NULL);
+ rev_info.diff = 1;
+ rev_info.disable_stdin = 1;
+ rev_info.no_commit_id = 1;
+ rev_info.diffopt.output_format = DIFF_FORMAT_PATCH;
+ rev_info.diffopt.use_color = 0;
+ rev_info.diffopt.file = fp;
+ rev_info.diffopt.close_file = 1;
+ add_pending_object(&rev_info, &tree->object, "");
+ diff_setup_done(&rev_info.diffopt);
+ run_diff_index(&rev_info, 1);
+}
+
/**
* Like parse_mail(), but parses the mail by looking up its commit ID
* directly. This is used in --rebasing mode to bypass git-mailinfo's munging
write_commit_patch(state, commit);
hashcpy(state->orig_commit, commit_sha1);
- write_file(am_path(state, "original-commit"), 1, "%s",
- sha1_to_hex(commit_sha1));
+ write_state_text(state, "original-commit", sha1_to_hex(commit_sha1));
return 0;
}
return 0;
}
+/**
+ * Do the three-way merge using fake ancestor, his tree constructed
+ * from the fake ancestor and the postimage of the patch, and our
+ * state.
+ */
+static int run_fallback_merge_recursive(const struct am_state *state,
+ unsigned char *orig_tree,
+ unsigned char *our_tree,
+ unsigned char *his_tree)
+{
+ struct child_process cp = CHILD_PROCESS_INIT;
+ int status;
+
+ cp.git_cmd = 1;
+
+ argv_array_pushf(&cp.env_array, "GITHEAD_%s=%.*s",
+ sha1_to_hex(his_tree), linelen(state->msg), state->msg);
+ if (state->quiet)
+ argv_array_push(&cp.env_array, "GIT_MERGE_VERBOSITY=0");
+
+ argv_array_push(&cp.args, "merge-recursive");
+ argv_array_push(&cp.args, sha1_to_hex(orig_tree));
+ argv_array_push(&cp.args, "--");
+ argv_array_push(&cp.args, sha1_to_hex(our_tree));
+ argv_array_push(&cp.args, sha1_to_hex(his_tree));
+
+ status = run_command(&cp) ? (-1) : 0;
+ discard_cache();
+ read_cache();
+ return status;
+}
+
/**
* Attempt a threeway merge, using index_path as the temporary index.
*/
{
unsigned char orig_tree[GIT_SHA1_RAWSZ], his_tree[GIT_SHA1_RAWSZ],
our_tree[GIT_SHA1_RAWSZ];
- const unsigned char *bases[1] = {orig_tree};
- struct merge_options o;
- struct commit *result;
- char *his_tree_name;
if (get_sha1("HEAD", our_tree) < 0)
hashcpy(our_tree, EMPTY_TREE_SHA1_BIN);
* changes.
*/
- init_merge_options(&o);
-
- o.branch1 = "HEAD";
- his_tree_name = xstrfmt("%.*s", linelen(state->msg), state->msg);
- o.branch2 = his_tree_name;
-
- if (state->quiet)
- o.verbosity = 0;
-
- if (merge_recursive_generic(&o, our_tree, his_tree, 1, bases, &result)) {
- free(his_tree_name);
+ if (run_fallback_merge_recursive(state, orig_tree, our_tree, his_tree)) {
+ rerere(state->allow_rerere_autoupdate);
return error(_("Failed to merge in the changes."));
}
- free(his_tree_name);
return 0;
}
const char *reflog_msg, *author;
struct strbuf sb = STRBUF_INIT;
+ if (run_hook_le(NULL, "pre-applypatch", NULL))
+ exit(1);
+
if (write_cache_as_tree(tree, 0, NULL))
die(_("git write-tree failed to write a tree"));
fclose(fp);
}
+ run_hook_le(NULL, "post-applypatch", NULL);
+
strbuf_release(&sb);
}
am_path(state, "author-script"));
}
+/**
+ * Interactively prompt the user on whether the current patch should be
+ * applied.
+ *
+ * Returns 0 if the user chooses to apply the patch, 1 if the user chooses to
+ * skip it.
+ */
+static int do_interactive(struct am_state *state)
+{
+ assert(state->msg);
+
+ if (!isatty(0))
+ die(_("cannot be interactive without stdin connected to a terminal."));
+
+ for (;;) {
+ const char *reply;
+
+ puts(_("Commit Body is:"));
+ puts("--------------------------");
+ printf("%s", state->msg);
+ puts("--------------------------");
+
+ /*
+ * TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
+ * in your translation. The program will only accept English
+ * input at this point.
+ */
+ reply = git_prompt(_("Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all: "), PROMPT_ECHO);
+
+ if (!reply) {
+ continue;
+ } else if (*reply == 'y' || *reply == 'Y') {
+ return 0;
+ } else if (*reply == 'a' || *reply == 'A') {
+ state->interactive = 0;
+ return 0;
+ } else if (*reply == 'n' || *reply == 'N') {
+ return 1;
+ } else if (*reply == 'e' || *reply == 'E') {
+ struct strbuf msg = STRBUF_INIT;
+
+ if (!launch_editor(am_path(state, "final-commit"), &msg, NULL)) {
+ free(state->msg);
+ state->msg = strbuf_detach(&msg, &state->msg_len);
+ }
+ strbuf_release(&msg);
+ } else if (*reply == 'v' || *reply == 'V') {
+ const char *pager = git_pager(1);
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ if (!pager)
+ pager = "cat";
+ argv_array_push(&cp.args, pager);
+ argv_array_push(&cp.args, am_path(state, "patch"));
+ run_command(&cp);
+ }
+ }
+}
+
/**
* Applies all queued mail.
*
refresh_and_write_cache();
if (index_has_changes(&sb)) {
- write_file(am_path(state, "dirtyindex"), 1, "t");
+ write_state_bool(state, "dirtyindex", 1);
die(_("Dirty index: cannot apply patches (dirty: %s)"), sb.buf);
}
if (resume) {
validate_resume_state(state);
- resume = 0;
} else {
int skip;
write_commit_msg(state);
}
+ if (state->interactive && do_interactive(state))
+ goto next;
+
if (run_applypatch_msg_hook(state))
exit(1);
next:
am_next(state);
+
+ if (resume)
+ am_load(state);
+ resume = 0;
}
if (!is_empty_file(am_path(state, "rewritten"))) {
die_user_resolve(state);
}
+ if (state->interactive) {
+ write_index_patch(state);
+ if (do_interactive(state))
+ goto next;
+ }
+
+ rerere(0);
+
do_commit(state);
+next:
am_next(state);
+ am_load(state);
am_run(state, 0);
}
return 0;
}
+/**
+ * Merges a tree into the index. The index's stat info will take precedence
+ * over the merged tree's. Returns 0 on success, -1 on failure.
+ */
+static int merge_tree(struct tree *tree)
+{
+ struct lock_file *lock_file;
+ struct unpack_trees_options opts;
+ struct tree_desc t[1];
+
+ if (parse_tree(tree))
+ return -1;
+
+ lock_file = xcalloc(1, sizeof(struct lock_file));
+ hold_locked_index(lock_file, 1);
+
+ memset(&opts, 0, sizeof(opts));
+ opts.head_idx = 1;
+ opts.src_index = &the_index;
+ opts.dst_index = &the_index;
+ opts.merge = 1;
+ opts.fn = oneway_merge;
+ init_tree_desc(&t[0], tree->buffer, tree->size);
+
+ if (unpack_trees(1, t, &opts)) {
+ rollback_lock_file(lock_file);
+ return -1;
+ }
+
+ if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
+ die(_("unable to write new index file"));
+
+ return 0;
+}
+
/**
* Clean the index without touching entries that are not modified between
* `head` and `remote`.
*/
static int clean_index(const unsigned char *head, const unsigned char *remote)
{
- struct lock_file *lock_file;
struct tree *head_tree, *remote_tree, *index_tree;
unsigned char index[GIT_SHA1_RAWSZ];
- struct pathspec pathspec;
head_tree = parse_tree_indirect(head);
if (!head_tree)
if (fast_forward_to(index_tree, remote_tree, 0))
return -1;
- memset(&pathspec, 0, sizeof(pathspec));
-
- lock_file = xcalloc(1, sizeof(struct lock_file));
- hold_locked_index(lock_file, 1);
-
- if (read_tree(remote_tree, 0, &pathspec)) {
- rollback_lock_file(lock_file);
+ if (merge_tree(remote_tree))
return -1;
- }
-
- if (write_locked_index(&the_index, lock_file, COMMIT_LOCK))
- die(_("unable to write new index file"));
remove_branch_state();
return 0;
}
+/**
+ * Resets rerere's merge resolution metadata.
+ */
+static void am_rerere_clear(void)
+{
+ struct string_list merge_rr = STRING_LIST_INIT_DUP;
+ rerere_clear(&merge_rr);
+ string_list_clear(&merge_rr, 1);
+}
+
/**
* Resume the current am session by skipping the current patch.
*/
{
unsigned char head[GIT_SHA1_RAWSZ];
+ am_rerere_clear();
+
if (get_sha1("HEAD", head))
hashcpy(head, EMPTY_TREE_SHA1_BIN);
die(_("failed to clean index"));
am_next(state);
+ am_load(state);
am_run(state, 0);
}
return;
}
+ am_rerere_clear();
+
curr_branch = resolve_refdup("HEAD", 0, curr_head, NULL);
has_curr_head = !is_null_sha1(curr_head);
if (!has_curr_head)
if (!strcmp(arg, "mbox"))
*opt_value = PATCH_FORMAT_MBOX;
+ else if (!strcmp(arg, "stgit"))
+ *opt_value = PATCH_FORMAT_STGIT;
+ else if (!strcmp(arg, "stgit-series"))
+ *opt_value = PATCH_FORMAT_STGIT_SERIES;
+ else if (!strcmp(arg, "hg"))
+ *opt_value = PATCH_FORMAT_HG;
else
return error(_("Invalid value for --patch-format: %s"), arg);
return 0;
RESUME_ABORT
};
+static int git_am_config(const char *k, const char *v, void *cb)
+{
+ int status;
+
+ status = git_gpg_config(k, v, NULL);
+ if (status)
+ return status;
+
+ return git_default_config(k, v, NULL);
+}
+
int cmd_am(int argc, const char **argv, const char *prefix)
{
struct am_state state;
+ int binary = -1;
int keep_cr = -1;
int patch_format = PATCH_FORMAT_UNKNOWN;
enum resume_mode resume = RESUME_FALSE;
+ int in_progress;
const char * const usage[] = {
- N_("git am [options] [(<mbox>|<Maildir>)...]"),
- N_("git am [options] (--continue | --skip | --abort)"),
+ N_("git am [<options>] [(<mbox>|<Maildir>)...]"),
+ N_("git am [<options>] (--continue | --skip | --abort)"),
NULL
};
struct option options[] = {
+ OPT_BOOL('i', "interactive", &state.interactive,
+ N_("run interactively")),
+ OPT_HIDDEN_BOOL('b', "binary", &binary,
+ N_("historical option -- no-op")),
OPT_BOOL('3', "3way", &state.threeway,
N_("allow fall back on 3way merging if needed")),
OPT__QUIET(&state.quiet, N_("be quiet")),
- OPT_BOOL('s', "signoff", &state.signoff,
- N_("add a Signed-off-by line to the commit message")),
+ OPT_SET_INT('s', "signoff", &state.signoff,
+ N_("add a Signed-off-by line to the commit message"),
+ SIGNOFF_EXPLICIT),
OPT_BOOL('u', "utf8", &state.utf8,
N_("recode into utf8 (default)")),
OPT_SET_INT('k', "keep", &state.keep,
N_("lie about committer date")),
OPT_BOOL(0, "ignore-date", &state.ignore_date,
N_("use current timestamp for author date")),
+ OPT_RERERE_AUTOUPDATE(&state.allow_rerere_autoupdate),
{ OPTION_STRING, 'S', "gpg-sign", &state.sign_commit, N_("key-id"),
N_("GPG-sign commits"),
PARSE_OPT_OPTARG, NULL, (intptr_t) "" },
OPT_END()
};
- /*
- * NEEDSWORK: Once all the features of git-am.sh have been
- * re-implemented in builtin/am.c, this preamble can be removed.
- */
- if (!getenv("_GIT_USE_BUILTIN_AM")) {
- const char *path = mkpath("%s/git-am", git_exec_path());
-
- if (sane_execvp(path, (char **)argv) < 0)
- die_errno("could not exec %s", path);
- } else {
- prefix = setup_git_directory();
- trace_repo_setup(prefix);
- setup_work_tree();
- }
-
- git_config(git_default_config, NULL);
+ git_config(git_am_config, NULL);
am_state_init(&state, git_path("rebase-apply"));
+ in_progress = am_in_progress(&state);
+ if (in_progress)
+ am_load(&state);
+
argc = parse_options(argc, argv, prefix, options, usage, 0);
+ if (binary >= 0)
+ fprintf_ln(stderr, _("The -b/--binary option has been a no-op for long time, and\n"
+ "it will be removed. Please do not use it anymore."));
+
+ /* Ensure a valid committer ident can be constructed */
+ git_committer_info(IDENT_STRICT);
+
if (read_index_preload(&the_index, NULL) < 0)
die(_("failed to read the index"));
- if (am_in_progress(&state)) {
+ if (in_progress) {
/*
* Catch user error to feed us patches when there is a session
* in progress:
if (resume == RESUME_FALSE)
resume = RESUME_APPLY;
- am_load(&state);
+ if (state.signoff == SIGNOFF_EXPLICIT)
+ am_append_signoff(&state);
} else {
struct argv_array paths = ARGV_ARRAY_INIT;
int i;