#include "exec_cmd.h"
#include "utf8.h"
#include "parse-options.h"
+#include "cache-tree.h"
+#include "diff.h"
+#include "revision.h"
/*
* This implements the builtins revert and cherry-pick.
NULL
};
-static int edit, no_replay, no_commit, mainline;
+static int edit, no_replay, no_commit, mainline, signoff;
static enum { REVERT, CHERRY_PICK } action;
static struct commit *commit;
OPT_BOOLEAN('e', "edit", &edit, "edit the commit message"),
OPT_BOOLEAN('x', NULL, &no_replay, "append commit name when cherry-picking"),
OPT_BOOLEAN('r', NULL, &noop, "no-op (backward compatibility)"),
+ OPT_BOOLEAN('s', "signoff", &signoff, "add Signed-off-by:"),
OPT_INTEGER('m', "mainline", &mainline, "parent number"),
OPT_END(),
};
return run_command_v_opt(argv, RUN_COMMAND_NO_STDIN | RUN_GIT_CMD);
}
+static char *help_msg(const unsigned char *sha1)
+{
+ static char helpbuf[1024];
+ char *msg = getenv("GIT_CHERRY_PICK_HELP");
+
+ if (msg)
+ return msg;
+
+ strcpy(helpbuf, " After resolving the conflicts,\n"
+ "mark the corrected paths with 'git add <paths>' "
+ "or 'git rm <paths>' and commit the result.");
+
+ if (action == CHERRY_PICK) {
+ sprintf(helpbuf + strlen(helpbuf),
+ "\nWhen commiting, use the option "
+ "'-c %s' to retain authorship and message.",
+ find_unique_abbrev(sha1, DEFAULT_ABBREV));
+ }
+ return helpbuf;
+}
+
+static int index_is_dirty(void)
+{
+ struct rev_info rev;
+ init_revisions(&rev, NULL);
+ setup_revisions(0, NULL, &rev, "HEAD");
+ DIFF_OPT_SET(&rev.diffopt, QUIET);
+ DIFF_OPT_SET(&rev.diffopt, EXIT_WITH_STATUS);
+ run_diff_index(&rev, 1);
+ return !!DIFF_OPT_TST(&rev.diffopt, HAS_CHANGES);
+}
+
static int revert_or_cherry_pick(int argc, const char **argv)
{
unsigned char head[20];
const char *message, *encoding;
const char *defmsg = xstrdup(git_path("MERGE_MSG"));
- git_config(git_default_config);
+ git_config(git_default_config, NULL);
me = action == REVERT ? "revert" : "cherry-pick";
setenv(GIT_REFLOG_ACTION, me, 0);
parse_args(argc, argv);
* that represents the "current" state for merge-recursive
* to work on.
*/
- if (write_tree(head, 0, NULL))
+ if (write_cache_as_tree(head, 0, NULL))
die ("Your index file is unmerged.");
} else {
- struct wt_status s;
-
if (get_sha1("HEAD", head))
die ("You do not have a valid HEAD");
- wt_status_prepare(&s);
- if (s.commitable)
+ if (read_cache() < 0)
+ die("could not read the index");
+ if (index_is_dirty())
die ("Dirty index: cannot %s", me);
discard_cache();
}
if (merge_recursive(sha1_to_hex(base->object.sha1),
sha1_to_hex(head), "HEAD",
sha1_to_hex(next->object.sha1), oneline) ||
- write_tree(head, 0, NULL)) {
+ write_cache_as_tree(head, 0, NULL)) {
add_to_msg("\nConflicts:\n\n");
read_cache();
for (i = 0; i < active_nr;) {
i++;
}
}
- if (close(msg_fd) || commit_lock_file(&msg_file) < 0)
+ if (commit_lock_file(&msg_file) < 0)
die ("Error wrapping up %s", defmsg);
- fprintf(stderr, "Automatic %s failed. "
- "After resolving the conflicts,\n"
- "mark the corrected paths with 'git add <paths>' "
- "and commit the result.\n", me);
- if (action == CHERRY_PICK) {
- fprintf(stderr, "When commiting, use the option "
- "'-c %s' to retain authorship and message.\n",
- find_unique_abbrev(commit->object.sha1,
- DEFAULT_ABBREV));
- }
+ fprintf(stderr, "Automatic %s failed.%s\n",
+ me, help_msg(commit->object.sha1));
exit(1);
}
- if (close(msg_fd) || commit_lock_file(&msg_file) < 0)
+ if (commit_lock_file(&msg_file) < 0)
die ("Error wrapping up %s", defmsg);
fprintf(stderr, "Finished one %s.\n", me);
*/
if (!no_commit) {
- if (edit)
- return execl_git_cmd("commit", "-n", NULL);
- else
- return execl_git_cmd("commit", "-n", "-F", defmsg, NULL);
+ /* 6 is max possible length of our args array including NULL */
+ const char *args[6];
+ int i = 0;
+ args[i++] = "commit";
+ args[i++] = "-n";
+ if (signoff)
+ args[i++] = "-s";
+ if (!edit) {
+ args[i++] = "-F";
+ args[i++] = defmsg;
+ }
+ args[i] = NULL;
+ return execv_git_cmd(args);
}
- if (reencoded_message)
- free(reencoded_message);
+ free(reencoded_message);
return 0;
}