/*
* If we are cherry-pick, and if the merge did not result in
* hand-editing, we will hit this commit and inherit the original
* author date and name.
*
* If we are revert, or if our cherry-pick results in a hand merge,
* we had better say that the current user is responsible for that.
*
* An exception is when run_git_commit() is called during an
* interactive rebase: in that case, we will want to retain the
* author metadata.
*/
static int run_git_commit(const char *defmsg, struct replay_opts *opts,
int allow_empty, int edit, int amend,
int cleanup_commit_message)
{
char **env = NULL;
struct argv_array array;
int rc;
const char *value;
if (is_rebase_i(opts)) {
env = read_author_script();
if (!env) {
const char *gpg_opt = gpg_sign_opt_quoted(opts);
return error(_(staged_changes_advice),
gpg_opt, gpg_opt);
}
}
argv_array_init(&array);
argv_array_push(&array, "commit");
argv_array_push(&array, "-n");
if (amend)
argv_array_push(&array, "--amend");
if (opts->gpg_sign)
argv_array_pushf(&array, "-S%s", opts->gpg_sign);
if (opts->signoff)
argv_array_push(&array, "-s");
if (defmsg)
argv_array_pushl(&array, "-F", defmsg, NULL);
if (cleanup_commit_message)
argv_array_push(&array, "--cleanup=strip");
if (edit)
argv_array_push(&array, "-e");
else if (!cleanup_commit_message &&
!opts->signoff && !opts->record_origin &&
git_config_get_value("commit.cleanup", &value))
argv_array_push(&array, "--cleanup=verbatim");
if (allow_empty)
argv_array_push(&array, "--allow-empty");
if (opts->allow_empty_message)
argv_array_push(&array, "--allow-empty-message");
rc = run_command_v_opt_cd_env(array.argv, RUN_GIT_CMD, NULL,
(const char *const *)env);
argv_array_clear(&array);
free(env);
return rc;
}
static int run_file_diff(int prompt, const char *prefix,
int argc, const char **argv)
{
struct argv_array args = ARGV_ARRAY_INIT;
const char *env[] = {
"GIT_PAGER=", "GIT_EXTERNAL_DIFF=git-difftool--helper", NULL,
NULL
};
int ret = 0, i;
if (prompt > 0)
env[2] = "GIT_DIFFTOOL_PROMPT=true";
else if (!prompt)
env[2] = "GIT_DIFFTOOL_NO_PROMPT=true";
argv_array_push(&args, "diff");
for (i = 0; i < argc; i++)
argv_array_push(&args, argv[i]);
ret = run_command_v_opt_cd_env(args.argv, RUN_GIT_CMD, prefix, env);
exit(ret);
}
int run_command_v_opt(const char **argv, int opt)
{
return run_command_v_opt_cd_env(argv, opt, NULL, NULL);
}
static int handle_alias(int *argcp, const char ***argv)
{
int envchanged = 0, ret = 0, saved_errno = errno;
const char *subdir;
int count, option_count;
const char **new_argv;
const char *alias_command;
char *alias_string;
int unused_nongit;
subdir = setup_git_directory_gently(&unused_nongit);
alias_command = (*argv)[0];
alias_string = alias_lookup(alias_command);
if (alias_string) {
if (alias_string[0] == '!') {
const char **alias_argv;
int argc = *argcp, i;
struct strbuf sb = STRBUF_INIT;
const char *env[2];
commit_pager_choice();
/* build alias_argv */
alias_argv = xmalloc(sizeof(*alias_argv) * (argc + 1));
alias_argv[0] = alias_string + 1;
for (i = 1; i < argc; ++i)
alias_argv[i] = (*argv)[i];
alias_argv[argc] = NULL;
strbuf_addstr(&sb, "GIT_PREFIX=");
if (subdir)
strbuf_addstr(&sb, subdir);
env[0] = sb.buf;
env[1] = NULL;
ret = run_command_v_opt_cd_env(alias_argv, RUN_USING_SHELL, NULL, env);
strbuf_release(&sb);
if (ret >= 0) /* normal exit */
exit(ret);
die_errno("While expanding alias '%s': '%s'",
alias_command, alias_string + 1);
}
count = split_cmdline(alias_string, &new_argv);
if (count < 0)
die("Bad alias.%s string: %s", alias_command,
split_cmdline_strerror(count));
option_count = handle_options(&new_argv, &count, &envchanged);
if (envchanged)
die("alias '%s' changes environment variables\n"
"You can use '!git' in the alias to do this.",
alias_command);
memmove(new_argv - option_count, new_argv,
count * sizeof(char *));
new_argv -= option_count;
if (count < 1)
die("empty alias for %s", alias_command);
if (!strcmp(alias_command, new_argv[0]))
die("recursive alias: %s", alias_command);
trace_argv_printf(new_argv,
"trace: alias expansion: %s =>",
alias_command);
new_argv = xrealloc(new_argv, sizeof(char *) *
(count + *argcp));
/* insert after command name */
memcpy(new_argv + count, *argv + 1, sizeof(char *) * *argcp);
*argv = new_argv;
*argcp += count - 1;
ret = 1;
}
if (subdir && chdir(subdir))
die_errno("Cannot change to '%s'", subdir);
errno = saved_errno;
return ret;
}
