"it empty. You can repeat your command with --allow-empty, or you can\n"
"remove the commit entirely with \"git reset HEAD^\".\n";
+static const char empty_cherry_pick_advice[] =
+"The previous cherry-pick is now empty, possibly due to conflict resolution.\n"
+"If you wish to commit it anyway, use:\n"
+"\n"
+" git commit --allow-empty\n"
+"\n"
+"Otherwise, please use 'git reset'\n";
+
static unsigned char head_sha1[20];
-static char *use_message_buffer;
+static const char *use_message_buffer;
static const char commit_editmsg[] = "COMMIT_EDITMSG";
static struct lock_file index_lock; /* real index */
static struct lock_file false_lock; /* used only for partial commits */
static const char *logfile, *force_author;
static const char *template_file;
+/*
+ * The _message variables are commit names from which to take
+ * the commit message and/or authorship.
+ */
+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, only, amend, signoff;
} cleanup_mode;
static char *cleanup_arg;
-static int use_editor = 1, initial_commit, in_merge, include_status = 1;
+static enum commit_whence whence;
+static int use_editor = 1, initial_commit, include_status = 1;
static int show_ignored_in_status;
static const char *only_include_assumed;
static struct strbuf message;
OPT_END()
};
+static void determine_whence(struct wt_status *s)
+{
+ if (file_exists(git_path("MERGE_HEAD")))
+ whence = FROM_MERGE;
+ else if (file_exists(git_path("CHERRY_PICK_HEAD")))
+ whence = FROM_CHERRY_PICK;
+ else
+ whence = FROM_COMMIT;
+ if (s)
+ s->whence = whence;
+}
+
+static const char *whence_s(void)
+{
+ char *s = "";
+
+ switch (whence) {
+ case FROM_COMMIT:
+ break;
+ case FROM_MERGE:
+ s = "merge";
+ break;
+ case FROM_CHERRY_PICK:
+ s = "cherry-pick";
+ break;
+ }
+
+ return s;
+}
+
static void rollback_index_files(void)
{
switch (commit_style) {
*/
commit_style = COMMIT_PARTIAL;
- if (in_merge)
- die("cannot do a partial commit during a merge.");
+ if (whence != FROM_COMMIT)
+ die("cannot do a partial commit during a %s.", whence_s());
memset(&partial, 0, sizeof(partial));
partial.strdup_strings = 1;
email = getenv("GIT_AUTHOR_EMAIL");
date = getenv("GIT_AUTHOR_DATE");
- if (use_message && !renew_authorship) {
+ if (author_message) {
const char *a, *lb, *rb, *eol;
- a = strstr(use_message_buffer, "\nauthor ");
+ a = strstr(author_message_buffer, "\nauthor ");
if (!a)
- die("invalid commit: %s", use_message);
+ die("invalid commit: %s", author_message);
lb = strchrnul(a + strlen("\nauthor "), '<');
rb = strchrnul(lb, '>');
eol = strchrnul(rb, '\n');
if (!*lb || !*rb || !*eol)
- die("invalid commit: %s", use_message);
+ die("invalid commit: %s", author_message);
if (lb == a + strlen("\nauthor "))
/* \nauthor <foo@example.com> */
}
/*
- * This final case does not modify the template message,
- * it just sets the argument to the prepare-commit-msg hook.
+ * The remaining cases don't modify the template message, but
+ * just set the argument(s) to the prepare-commit-msg hook.
*/
- else if (in_merge)
+ else if (whence == FROM_MERGE)
hook_arg1 = "merge";
+ else if (whence == FROM_CHERRY_PICK) {
+ hook_arg1 = "commit";
+ hook_arg2 = "CHERRY_PICK_HEAD";
+ }
if (squash_message) {
/*
strbuf_addstr(&committer_ident, git_committer_info(0));
if (use_editor && include_status) {
char *ai_tmp, *ci_tmp;
- if (in_merge)
+ if (whence != FROM_COMMIT)
fprintf(fp,
"#\n"
- "# It looks like you may be committing a MERGE.\n"
+ "# It looks like you may be committing a %s.\n"
"# If this is not correct, please remove the file\n"
"# %s\n"
"# and try again.\n"
"#\n",
- git_path("MERGE_HEAD"));
-
+ whence_s(),
+ git_path(whence == FROM_MERGE
+ ? "MERGE_HEAD"
+ : "CHERRY_PICK_HEAD"));
fprintf(fp,
"\n"
"# Please enter the commit message for your changes.");
fclose(fp);
- if (!commitable && !in_merge && !allow_empty &&
+ /*
+ * Reject an attempt to record a non-merge empty commit without
+ * explicit --allow-empty. In the cherry-pick case, it may be
+ * empty due to conflict resolution, which the user should okay.
+ */
+ if (!commitable && whence != FROM_MERGE && !allow_empty &&
!(amend && is_a_merge(head_sha1))) {
run_status(stdout, index_file, prefix, 0, s);
if (amend)
fputs(empty_amend_advice, stderr);
+ else if (whence == FROM_CHERRY_PICK)
+ fputs(empty_cherry_pick_advice, stderr);
return 0;
}
die("Invalid untracked files mode '%s'", untracked_files_arg);
}
+static const char *read_commit_message(const char *name)
+{
+ const char *out_enc, *out;
+ struct commit *commit;
+
+ commit = lookup_commit_reference_by_name(name);
+ if (!commit)
+ die("could not lookup commit %s", name);
+ out_enc = get_commit_output_encoding();
+ out = logmsg_reencode(commit, out_enc);
+
+ /*
+ * If we failed to reencode the buffer, just copy it
+ * byte for byte so the user can try to fix it up.
+ * This also handles the case where input and output
+ * encodings are identical.
+ */
+ if (out == NULL)
+ out = xstrdup(commit->buffer);
+ return out;
+}
+
static int parse_and_validate_options(int argc, const char *argv[],
const char * const usage[],
const char *prefix,
/* Sanity check options */
if (amend && initial_commit)
die("You have nothing to amend.");
- if (amend && in_merge)
- die("You are in the middle of a merge -- cannot amend.");
+ if (amend && whence != FROM_COMMIT)
+ die("You are in the middle of a %s -- cannot amend.", whence_s());
if (fixup_message && squash_message)
die("Options --squash and --fixup cannot be used together");
if (use_message)
use_message = edit_message;
if (amend && !use_message && !fixup_message)
use_message = "HEAD";
- if (!use_message && renew_authorship)
+ if (!use_message && whence != FROM_CHERRY_PICK && renew_authorship)
die("--reset-author can be used only with -C, -c or --amend.");
if (use_message) {
- const char *out_enc;
- struct commit *commit;
-
- commit = lookup_commit_reference_by_name(use_message);
- if (!commit)
- die("could not lookup commit %s", use_message);
- out_enc = get_commit_output_encoding();
- use_message_buffer = logmsg_reencode(commit, out_enc);
-
- /*
- * If we failed to reencode the buffer, just copy it
- * byte for byte so the user can try to fix it up.
- * This also handles the case where input and output
- * encodings are identical.
- */
- if (use_message_buffer == NULL)
- use_message_buffer = xstrdup(commit->buffer);
+ use_message_buffer = read_commit_message(use_message);
+ if (!renew_authorship) {
+ author_message = use_message;
+ author_message_buffer = use_message_buffer;
+ }
+ }
+ if (whence == FROM_CHERRY_PICK && !renew_authorship) {
+ author_message = "CHERRY_PICK_HEAD";
+ author_message_buffer = read_commit_message(author_message);
}
if (!!also + !!only + !!all + !!interactive > 1)
wt_status_prepare(&s);
gitmodules_config();
git_config(git_status_config, &s);
- in_merge = file_exists(git_path("MERGE_HEAD"));
+ determine_whence(&s);
argc = parse_options(argc, argv, prefix,
builtin_status_options,
builtin_status_usage, 0);
}
s.is_initial = get_sha1(s.reference, sha1) ? 1 : 0;
- s.in_merge = in_merge;
s.ignore_submodule_arg = ignore_submodule_arg;
wt_status_collect(&s);
wt_status_prepare(&s);
git_config(git_commit_config, &s);
- in_merge = file_exists(git_path("MERGE_HEAD"));
- s.in_merge = in_merge;
+ determine_whence(&s);
if (s.use_color == -1)
s.use_color = git_use_color_default;
for (c = commit->parents; c; c = c->next)
pptr = &commit_list_insert(c->item, pptr)->next;
- } else if (in_merge) {
+ } else if (whence == FROM_MERGE) {
struct strbuf m = STRBUF_INIT;
FILE *fp;
parents = reduce_heads(parents);
} else {
if (!reflog_msg)
- reflog_msg = "commit";
+ reflog_msg = (whence == FROM_CHERRY_PICK)
+ ? "commit (cherry-pick)"
+ : "commit";
pptr = &commit_list_insert(lookup_commit(head_sha1), pptr)->next;
}
#include "object.h"
#include "commit.h"
#include "tag.h"
-#include "wt-status.h"
#include "run-command.h"
#include "exec_cmd.h"
#include "utf8.h"
strbuf_addstr(msgbuf, p);
}
-static void set_author_ident_env(const char *message)
-{
- const char *p = message;
- if (!p)
- die ("Could not read commit message of %s",
- sha1_to_hex(commit->object.sha1));
- while (*p && *p != '\n') {
- const char *eol;
-
- for (eol = p; *eol && *eol != '\n'; eol++)
- ; /* do nothing */
- if (!prefixcmp(p, "author ")) {
- char *line, *pend, *email, *timestamp;
-
- p += 7;
- line = xmemdupz(p, eol - p);
- email = strchr(line, '<');
- if (!email)
- die ("Could not extract author email from %s",
- sha1_to_hex(commit->object.sha1));
- if (email == line)
- pend = line;
- else
- for (pend = email; pend != line + 1 &&
- isspace(pend[-1]); pend--);
- ; /* do nothing */
- *pend = '\0';
- email++;
- timestamp = strchr(email, '>');
- if (!timestamp)
- die ("Could not extract author time from %s",
- sha1_to_hex(commit->object.sha1));
- *timestamp = '\0';
- for (timestamp++; *timestamp && isspace(*timestamp);
- timestamp++)
- ; /* do nothing */
- setenv("GIT_AUTHOR_NAME", line, 1);
- setenv("GIT_AUTHOR_EMAIL", email, 1);
- setenv("GIT_AUTHOR_DATE", timestamp, 1);
- free(line);
- return;
- }
- p = eol;
- if (*p == '\n')
- p++;
- }
- die ("No author information found in %s",
- sha1_to_hex(commit->object.sha1));
-}
-
static void write_cherry_pick_head(void)
{
int fd;
advise("after resolving the conflicts, mark the corrected paths");
advise("with 'git add <paths>' or 'git rm <paths>'");
-
- if (action == CHERRY_PICK)
- advise("and commit the result with 'git commit -c CHERRY_PICK_HEAD'");
+ advise("and commit the result with 'git commit'");
}
static void write_message(struct strbuf *msgbuf, const char *filename)
base_label = msg.parent_label;
next = commit;
next_label = msg.label;
- set_author_ident_env(msg.message);
add_message_to_msg(&msgbuf, msg.message);
if (no_replay) {
strbuf_addstr(&msgbuf, "(cherry picked from commit ");
projects / git.git / commitdiff