static int clone_submodule(const char *path, const char *gitdir, const char *url,
const char *depth, const char *reference, int quiet)
{
struct child_process cp;
child_process_init(&cp);
argv_array_push(&cp.args, "clone");
argv_array_push(&cp.args, "--no-checkout");
if (quiet)
argv_array_push(&cp.args, "--quiet");
if (depth && *depth)
argv_array_pushl(&cp.args, "--depth", depth, NULL);
if (reference && *reference)
argv_array_pushl(&cp.args, "--reference", reference, NULL);
if (gitdir && *gitdir)
argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
argv_array_push(&cp.args, url);
argv_array_push(&cp.args, path);
cp.git_cmd = 1;
cp.env = local_repo_env;
cp.no_stdin = 1;
return run_command(&cp);
}
static int clone_submodule(const char *path, const char *gitdir, const char *url,
const char *depth, struct string_list *reference,
int quiet, int progress)
{
struct child_process cp = CHILD_PROCESS_INIT;
argv_array_push(&cp.args, "clone");
argv_array_push(&cp.args, "--no-checkout");
if (quiet)
argv_array_push(&cp.args, "--quiet");
if (progress)
argv_array_push(&cp.args, "--progress");
if (depth && *depth)
argv_array_pushl(&cp.args, "--depth", depth, NULL);
if (reference->nr) {
struct string_list_item *item;
for_each_string_list_item(item, reference)
argv_array_pushl(&cp.args, "--reference",
item->string, NULL);
}
if (gitdir && *gitdir)
argv_array_pushl(&cp.args, "--separate-git-dir", gitdir, NULL);
argv_array_push(&cp.args, url);
argv_array_push(&cp.args, path);
cp.git_cmd = 1;
prepare_submodule_repo_env(&cp.env_array);
cp.no_stdin = 1;
return run_command(&cp);
}
static int stash_patch(struct stash_info *info, struct pathspec ps,
struct strbuf *out_patch, int quiet)
{
int ret = 0;
struct child_process cp_read_tree = CHILD_PROCESS_INIT;
struct child_process cp_add_i = CHILD_PROCESS_INIT;
struct child_process cp_diff_tree = CHILD_PROCESS_INIT;
struct index_state istate = { NULL };
remove_path(stash_index_path.buf);
cp_read_tree.git_cmd = 1;
argv_array_pushl(&cp_read_tree.args, "read-tree", "HEAD", NULL);
argv_array_pushf(&cp_read_tree.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp_read_tree)) {
ret = -1;
goto done;
}
/* Find out what the user wants. */
cp_add_i.git_cmd = 1;
argv_array_pushl(&cp_add_i.args, "add--interactive", "--patch=stash",
"--", NULL);
add_pathspecs(&cp_add_i.args, ps);
argv_array_pushf(&cp_add_i.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp_add_i)) {
ret = -1;
goto done;
}
/* State of the working tree. */
if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
NULL)) {
ret = -1;
goto done;
}
cp_diff_tree.git_cmd = 1;
argv_array_pushl(&cp_diff_tree.args, "diff-tree", "-p", "HEAD",
oid_to_hex(&info->w_tree), "--", NULL);
if (pipe_command(&cp_diff_tree, NULL, 0, out_patch, 0, NULL, 0)) {
ret = -1;
goto done;
}
if (!out_patch->len) {
if (!quiet)
fprintf_ln(stderr, _("No changes selected"));
ret = 1;
}
done:
discard_index(&istate);
remove_path(stash_index_path.buf);
return ret;
}
static void changed_files(struct hashmap *result, const char *index_path,
const char *workdir)
{
struct child_process update_index = CHILD_PROCESS_INIT;
struct child_process diff_files = CHILD_PROCESS_INIT;
struct strbuf index_env = STRBUF_INIT, buf = STRBUF_INIT;
const char *git_dir = absolute_path(get_git_dir()), *env[] = {
NULL, NULL
};
FILE *fp;
strbuf_addf(&index_env, "GIT_INDEX_FILE=%s", index_path);
env[0] = index_env.buf;
argv_array_pushl(&update_index.args,
"--git-dir", git_dir, "--work-tree", workdir,
"update-index", "--really-refresh", "-q",
"--unmerged", NULL);
update_index.no_stdin = 1;
update_index.no_stdout = 1;
update_index.no_stderr = 1;
update_index.git_cmd = 1;
update_index.use_shell = 0;
update_index.clean_on_exit = 1;
update_index.dir = workdir;
update_index.env = env;
/* Ignore any errors of update-index */
run_command(&update_index);
argv_array_pushl(&diff_files.args,
"--git-dir", git_dir, "--work-tree", workdir,
"diff-files", "--name-only", "-z", NULL);
diff_files.no_stdin = 1;
diff_files.git_cmd = 1;
diff_files.use_shell = 0;
diff_files.clean_on_exit = 1;
diff_files.out = -1;
diff_files.dir = workdir;
diff_files.env = env;
if (start_command(&diff_files))
die("could not obtain raw diff");
fp = xfdopen(diff_files.out, "r");
while (!strbuf_getline_nul(&buf, fp)) {
struct path_entry *entry;
FLEX_ALLOC_STR(entry, path, buf.buf);
hashmap_entry_init(entry, strhash(buf.buf));
hashmap_add(result, entry);
}
fclose(fp);
if (finish_command(&diff_files))
die("diff-files did not exit properly");
strbuf_release(&index_env);
strbuf_release(&buf);
}
static int write_pack_data(int bundle_fd, struct lock_file *lock, struct rev_info *revs)
{
struct child_process pack_objects = CHILD_PROCESS_INIT;
int i;
argv_array_pushl(&pack_objects.args,
"pack-objects", "--all-progress-implied",
"--stdout", "--thin", "--delta-base-offset",
NULL);
pack_objects.in = -1;
pack_objects.out = bundle_fd;
pack_objects.git_cmd = 1;
if (start_command(&pack_objects))
return error(_("Could not spawn pack-objects"));
/*
* start_command closed bundle_fd if it was > 1
* so set the lock fd to -1 so commit_lock_file()
* won't fail trying to close it.
*/
lock->fd = -1;
for (i = 0; i < revs->pending.nr; i++) {
struct object *object = revs->pending.objects[i].item;
if (object->flags & UNINTERESTING)
write_or_die(pack_objects.in, "^", 1);
write_or_die(pack_objects.in, sha1_to_hex(object->sha1), 40);
write_or_die(pack_objects.in, "\n", 1);
}
close(pack_objects.in);
if (finish_command(&pack_objects))
return error(_("pack-objects died"));
return 0;
}
static int upload_pack(void)
{
struct child_process cld = CHILD_PROCESS_INIT;
argv_array_pushl(&cld.args, "upload-pack", "--strict", NULL);
argv_array_pushf(&cld.args, "--timeout=%u", timeout);
return run_service_command(&cld);
}
static int bisect_reset(const char *commit)
{
struct strbuf branch = STRBUF_INIT;
if (!commit) {
if (strbuf_read_file(&branch, git_path_bisect_start(), 0) < 1) {
printf(_("We are not bisecting.\n"));
return 0;
}
strbuf_rtrim(&branch);
} else {
struct object_id oid;
if (get_oid_commit(commit, &oid))
return error(_("'%s' is not a valid commit"), commit);
strbuf_addstr(&branch, commit);
}
if (!file_exists(git_path_bisect_head())) {
struct argv_array argv = ARGV_ARRAY_INIT;
argv_array_pushl(&argv, "checkout", branch.buf, "--", NULL);
if (run_command_v_opt(argv.argv, RUN_GIT_CMD)) {
strbuf_release(&branch);
argv_array_clear(&argv);
return error(_("could not check out original"
" HEAD '%s'. Try 'git bisect"
"reset <commit>'."), branch.buf);
}
argv_array_clear(&argv);
}
strbuf_release(&branch);
return bisect_clean_state();
}
static int stash_working_tree(struct stash_info *info, struct pathspec ps)
{
int ret = 0;
struct rev_info rev;
struct child_process cp_upd_index = CHILD_PROCESS_INIT;
struct strbuf diff_output = STRBUF_INIT;
struct index_state istate = { NULL };
init_revisions(&rev, NULL);
set_alternate_index_output(stash_index_path.buf);
if (reset_tree(&info->i_tree, 0, 0)) {
ret = -1;
goto done;
}
set_alternate_index_output(NULL);
rev.prune_data = ps;
rev.diffopt.output_format = DIFF_FORMAT_CALLBACK;
rev.diffopt.format_callback = add_diff_to_buf;
rev.diffopt.format_callback_data = &diff_output;
if (read_cache_preload(&rev.diffopt.pathspec) < 0) {
ret = -1;
goto done;
}
add_pending_object(&rev, parse_object(the_repository, &info->b_commit),
"");
if (run_diff_index(&rev, 0)) {
ret = -1;
goto done;
}
cp_upd_index.git_cmd = 1;
argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add",
"--remove", "--stdin", NULL);
argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (pipe_command(&cp_upd_index, diff_output.buf, diff_output.len,
NULL, 0, NULL, 0)) {
ret = -1;
goto done;
}
if (write_index_as_tree(&info->w_tree, &istate, stash_index_path.buf, 0,
NULL)) {
ret = -1;
goto done;
}
done:
discard_index(&istate);
UNLEAK(rev);
object_array_clear(&rev.pending);
strbuf_release(&diff_output);
remove_path(stash_index_path.buf);
return ret;
}
/* Write the pack data to bundle_fd, then close it if it is > 1. */
static int write_pack_data(int bundle_fd, struct rev_info *revs)
{
struct child_process pack_objects = CHILD_PROCESS_INIT;
int i;
argv_array_pushl(&pack_objects.args,
"pack-objects", "--all-progress-implied",
"--stdout", "--thin", "--delta-base-offset",
NULL);
pack_objects.in = -1;
pack_objects.out = bundle_fd;
pack_objects.git_cmd = 1;
if (start_command(&pack_objects))
return error(_("Could not spawn pack-objects"));
for (i = 0; i < revs->pending.nr; i++) {
struct object *object = revs->pending.objects[i].item;
if (object->flags & UNINTERESTING)
write_or_die(pack_objects.in, "^", 1);
write_or_die(pack_objects.in, oid_to_hex(&object->oid), GIT_SHA1_HEXSZ);
write_or_die(pack_objects.in, "\n", 1);
}
close(pack_objects.in);
if (finish_command(&pack_objects))
return error(_("pack-objects died"));
return 0;
}
static int restore_untracked(struct object_id *u_tree)
{
int res;
struct child_process cp = CHILD_PROCESS_INIT;
/*
* We need to run restore files from a given index, but without
* affecting the current index, so we use GIT_INDEX_FILE with
* run_command to fork processes that will not interfere.
*/
cp.git_cmd = 1;
argv_array_push(&cp.args, "read-tree");
argv_array_push(&cp.args, oid_to_hex(u_tree));
argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
if (run_command(&cp)) {
remove_path(stash_index_path.buf);
return -1;
}
child_process_init(&cp);
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "checkout-index", "--all", NULL);
argv_array_pushf(&cp.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
res = run_command(&cp);
remove_path(stash_index_path.buf);
return res;
}
static int do_drop_stash(const char *prefix, struct stash_info *info, int quiet)
{
int ret;
struct child_process cp_reflog = CHILD_PROCESS_INIT;
struct child_process cp = CHILD_PROCESS_INIT;
/*
* reflog does not provide a simple function for deleting refs. One will
* need to be added to avoid implementing too much reflog code here
*/
cp_reflog.git_cmd = 1;
argv_array_pushl(&cp_reflog.args, "reflog", "delete", "--updateref",
"--rewrite", NULL);
argv_array_push(&cp_reflog.args, info->revision.buf);
ret = run_command(&cp_reflog);
if (!ret) {
if (!quiet)
printf_ln(_("Dropped %s (%s)"), info->revision.buf,
oid_to_hex(&info->w_commit));
} else {
return error(_("%s: Could not drop stash entry"),
info->revision.buf);
}
/*
* This could easily be replaced by get_oid, but currently it will throw
* a fatal error when a reflog is empty, which we can not recover from.
*/
cp.git_cmd = 1;
/* Even though --quiet is specified, rev-parse still outputs the hash */
cp.no_stdout = 1;
argv_array_pushl(&cp.args, "rev-parse", "--verify", "--quiet", NULL);
argv_array_pushf(&cp.args, "%s@{0}", ref_stash);
ret = run_command(&cp);
/* do_clear_stash if we just dropped the last stash entry */
if (ret)
do_clear_stash();
return 0;
}
static int update_submodules(void)
{
struct child_process cp = CHILD_PROCESS_INIT;
cp.git_cmd = 1;
cp.no_stdin = 1;
argv_array_pushl(&cp.args, "submodule", "update",
"--recursive", "--checkout", NULL);
return run_command(&cp);
}
static int update_index(struct strbuf *out)
{
struct child_process cp = CHILD_PROCESS_INIT;
/*
* Update-index is very complicated and may need to have a public
* function exposed in order to remove this forking.
*/
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "update-index", "--add", "--stdin", NULL);
return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0);
}
/*
* 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 apply_cached(struct strbuf *out)
{
struct child_process cp = CHILD_PROCESS_INIT;
/*
* Apply currently only reads either from stdin or a file, thus
* apply_all_patches would have to be updated to optionally take a
* buffer.
*/
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "apply", "--cached", NULL);
return pipe_command(&cp, out->buf, out->len, NULL, 0, NULL, 0);
}
/**
* Runs git-fetch, returning its exit status. `repo` and `refspecs` are the
* repository and refspecs to fetch, or NULL if they are not provided.
*/
static int run_fetch(const char *repo, const char **refspecs)
{
struct argv_array args = ARGV_ARRAY_INIT;
int ret;
argv_array_pushl(&args, "fetch", "--update-head-ok", NULL);
/* Shared options */
argv_push_verbosity(&args);
if (opt_progress)
argv_array_push(&args, opt_progress);
/* Options passed to git-fetch */
if (opt_all)
argv_array_push(&args, opt_all);
if (opt_append)
argv_array_push(&args, opt_append);
if (opt_upload_pack)
argv_array_push(&args, opt_upload_pack);
argv_push_force(&args);
if (opt_tags)
argv_array_push(&args, opt_tags);
if (opt_prune)
argv_array_push(&args, opt_prune);
if (opt_recurse_submodules)
argv_array_push(&args, opt_recurse_submodules);
if (max_children)
argv_array_push(&args, max_children);
if (opt_dry_run)
argv_array_push(&args, "--dry-run");
if (opt_keep)
argv_array_push(&args, opt_keep);
if (opt_depth)
argv_array_push(&args, opt_depth);
if (opt_unshallow)
argv_array_push(&args, opt_unshallow);
if (opt_update_shallow)
argv_array_push(&args, opt_update_shallow);
if (opt_refmap)
argv_array_push(&args, opt_refmap);
if (repo) {
argv_array_push(&args, repo);
argv_array_pushv(&args, refspecs);
} else if (*refspecs)
die("BUG: refspecs without repo?");
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
return ret;
}
static int push_git(struct discovery *heads, int nr_spec, char **specs)
{
struct rpc_state rpc;
int i, err;
struct argv_array args;
struct string_list_item *cas_option;
struct strbuf preamble = STRBUF_INIT;
argv_array_init(&args);
argv_array_pushl(&args, "send-pack", "--stateless-rpc", "--helper-status",
NULL);
if (options.thin)
argv_array_push(&args, "--thin");
if (options.dry_run)
argv_array_push(&args, "--dry-run");
if (options.push_cert == SEND_PACK_PUSH_CERT_ALWAYS)
argv_array_push(&args, "--signed=yes");
else if (options.push_cert == SEND_PACK_PUSH_CERT_IF_ASKED)
argv_array_push(&args, "--signed=if-asked");
if (options.verbosity == 0)
argv_array_push(&args, "--quiet");
else if (options.verbosity > 1)
argv_array_push(&args, "--verbose");
for (i = 0; i < options.push_options.nr; i++)
argv_array_pushf(&args, "--push-option=%s",
options.push_options.items[i].string);
argv_array_push(&args, options.progress ? "--progress" : "--no-progress");
for_each_string_list_item(cas_option, &cas_options)
argv_array_push(&args, cas_option->string);
argv_array_push(&args, url.buf);
argv_array_push(&args, "--stdin");
for (i = 0; i < nr_spec; i++)
packet_buf_write(&preamble, "%s\n", specs[i]);
packet_buf_flush(&preamble);
memset(&rpc, 0, sizeof(rpc));
rpc.service_name = "git-receive-pack",
rpc.argv = args.argv;
rpc.stdin_preamble = &preamble;
err = rpc_service(&rpc, heads);
if (rpc.result.len)
write_or_die(1, rpc.result.buf, rpc.result.len);
strbuf_release(&rpc.result);
strbuf_release(&preamble);
argv_array_clear(&args);
return err;
}
/*
* NEEDSWORK: this function can go once the legacy-difftool Perl script is
* retired.
*
* We intentionally avoid reading the config directly here, to avoid messing up
* the GIT_* environment variables when we need to fall back to exec()ing the
* Perl script.
*/
static int use_builtin_difftool(void) {
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf out = STRBUF_INIT;
int ret;
argv_array_pushl(&cp.args,
"config", "--bool", "difftool.usebuiltin", NULL);
cp.git_cmd = 1;
if (capture_command(&cp, &out, 6))
return 0;
strbuf_trim(&out);
ret = !strcmp("true", out.buf);
strbuf_release(&out);
return ret;
}
static int get_newly_staged(struct strbuf *out, struct object_id *c_tree)
{
struct child_process cp = CHILD_PROCESS_INIT;
const char *c_tree_hex = oid_to_hex(c_tree);
/*
* diff-index is very similar to diff-tree above, and should be
* converted together with update_index.
*/
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "diff-index", "--cached", "--name-only",
"--diff-filter=A", NULL);
argv_array_push(&cp.args, c_tree_hex);
return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
}
static int diff_tree_binary(struct strbuf *out, struct object_id *w_commit)
{
struct child_process cp = CHILD_PROCESS_INIT;
const char *w_commit_hex = oid_to_hex(w_commit);
/*
* Diff-tree would not be very hard to replace with a native function,
* however it should be done together with apply_cached.
*/
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "diff-tree", "--binary", NULL);
argv_array_pushf(&cp.args, "%s^2^..%s^2", w_commit_hex, w_commit_hex);
return pipe_command(&cp, NULL, 0, out, 0, NULL, 0);
}
int verify_signed_buffer(const char *payload, size_t payload_size,
const char *signature, size_t signature_size,
struct strbuf *gpg_output, struct strbuf *gpg_status)
{
struct child_process gpg = CHILD_PROCESS_INIT;
struct tempfile *temp;
int ret;
struct strbuf buf = STRBUF_INIT;
temp = mks_tempfile_t(".git_vtag_tmpXXXXXX");
if (!temp)
return error_errno(_("could not create temporary file"));
if (write_in_full(temp->fd, signature, signature_size) < 0 ||
close_tempfile_gently(temp) < 0) {
error_errno(_("failed writing detached signature to '%s'"),
temp->filename.buf);
delete_tempfile(&temp);
return -1;
}
argv_array_pushl(&gpg.args,
gpg_program,
"--status-fd=1",
"--keyid-format=long",
"--verify", temp->filename.buf, "-",
NULL);
if (!gpg_status)
gpg_status = &buf;
sigchain_push(SIGPIPE, SIG_IGN);
ret = pipe_command(&gpg, payload, payload_size,
gpg_status, 0, gpg_output, 0);
sigchain_pop(SIGPIPE);
delete_tempfile(&temp);
ret |= !strstr(gpg_status->buf, "\n[GNUPG:] GOODSIG ");
strbuf_release(&buf); /* no matter it was used or not */
return ret;
}
/**
* Runs git-merge, returning its exit status.
*/
static int run_merge(void)
{
int ret;
struct argv_array args = ARGV_ARRAY_INIT;
argv_array_pushl(&args, "merge", NULL);
/* Shared options */
argv_push_verbosity(&args);
if (opt_progress)
argv_array_push(&args, opt_progress);
/* Options passed to git-merge */
if (opt_diffstat)
argv_array_push(&args, opt_diffstat);
if (opt_log)
argv_array_push(&args, opt_log);
if (opt_signoff)
argv_array_push(&args, opt_signoff);
if (opt_squash)
argv_array_push(&args, opt_squash);
if (opt_commit)
argv_array_push(&args, opt_commit);
if (opt_edit)
argv_array_push(&args, opt_edit);
if (opt_ff)
argv_array_push(&args, opt_ff);
if (opt_verify_signatures)
argv_array_push(&args, opt_verify_signatures);
argv_array_pushv(&args, opt_strategies.argv);
argv_array_pushv(&args, opt_strategy_opts.argv);
if (opt_gpg_sign)
argv_array_push(&args, opt_gpg_sign);
if (opt_allow_unrelated_histories > 0)
argv_array_push(&args, "--allow-unrelated-histories");
argv_array_push(&args, "FETCH_HEAD");
ret = run_command_v_opt(args.argv, RUN_GIT_CMD);
argv_array_clear(&args);
return ret;
}
/*
* Note, "git status --porcelain" is used to determine if it's safe to
* delete a whole worktree. "git status" does not ignore user
* configuration, so if a normal "git status" shows "clean" for the
* user, then it's ok to remove it.
*
* This assumption may be a bad one. We may want to ignore
* (potentially bad) user settings and only delete a worktree when
* it's absolutely safe to do so from _our_ point of view because we
* know better.
*/
static void check_clean_worktree(struct worktree *wt,
const char *original_path)
{
struct argv_array child_env = ARGV_ARRAY_INIT;
struct child_process cp;
char buf[1];
int ret;
/*
* Until we sort this out, all submodules are "dirty" and
* will abort this function.
*/
validate_no_submodules(wt);
argv_array_pushf(&child_env, "%s=%s/.git",
GIT_DIR_ENVIRONMENT, wt->path);
argv_array_pushf(&child_env, "%s=%s",
GIT_WORK_TREE_ENVIRONMENT, wt->path);
memset(&cp, 0, sizeof(cp));
argv_array_pushl(&cp.args, "status",
"--porcelain", "--ignore-submodules=none",
NULL);
cp.env = child_env.argv;
cp.git_cmd = 1;
cp.dir = wt->path;
cp.out = -1;
ret = start_command(&cp);
if (ret)
die_errno(_("failed to run 'git status' on '%s'"),
original_path);
ret = xread(cp.out, buf, sizeof(buf));
if (ret)
die(_("'%s' is dirty, use --force to delete it"),
original_path);
close(cp.out);
ret = finish_command(&cp);
if (ret)
die_errno(_("failed to run 'git status' on '%s', code %d"),
original_path, ret);
}
int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const char *signing_key)
{
struct child_process gpg = CHILD_PROCESS_INIT;
int ret;
size_t i, j, bottom;
struct strbuf gpg_status = STRBUF_INIT;
argv_array_pushl(&gpg.args,
gpg_program,
"--status-fd=2",
"-bsau", signing_key,
NULL);
bottom = signature->len;
/*
* When the username signingkey is bad, program could be terminated
* because gpg exits without reading and then write gets SIGPIPE.
*/
sigchain_push(SIGPIPE, SIG_IGN);
ret = pipe_command(&gpg, buffer->buf, buffer->len,
signature, 1024, &gpg_status, 0);
sigchain_pop(SIGPIPE);
ret |= !strstr(gpg_status.buf, "\n[GNUPG:] SIG_CREATED ");
strbuf_release(&gpg_status);
if (ret)
return error(_("gpg failed to sign the data"));
/* Strip CR from the line endings, in case we are on Windows. */
for (i = j = bottom; i < signature->len; i++)
if (signature->buf[i] != '\r') {
if (i != j)
signature->buf[j] = signature->buf[i];
j++;
}
strbuf_setlen(signature, j);
return 0;
}
/**
* Given the repo and refspecs, sets fork_point to the point at which the
* current branch forked from its remote-tracking branch. Returns 0 on success,
* -1 on failure.
*/
static int get_rebase_fork_point(struct object_id *fork_point, const char *repo,
const char *refspec)
{
int ret;
struct branch *curr_branch;
const char *remote_branch;
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf sb = STRBUF_INIT;
curr_branch = branch_get("HEAD");
if (!curr_branch)
return -1;
if (refspec)
remote_branch = get_tracking_branch(repo, refspec);
else
remote_branch = get_upstream_branch(repo);
if (!remote_branch)
return -1;
argv_array_pushl(&cp.args, "merge-base", "--fork-point",
remote_branch, curr_branch->name, NULL);
cp.no_stdin = 1;
cp.no_stderr = 1;
cp.git_cmd = 1;
ret = capture_command(&cp, &sb, GIT_SHA1_HEXSZ);
if (ret)
goto cleanup;
ret = get_oid_hex(sb.buf, fork_point);
if (ret)
goto cleanup;
cleanup:
strbuf_release(&sb);
return ret ? -1 : 0;
}
static int save_untracked_files(struct stash_info *info, struct strbuf *msg,
struct strbuf files)
{
int ret = 0;
struct strbuf untracked_msg = STRBUF_INIT;
struct child_process cp_upd_index = CHILD_PROCESS_INIT;
struct index_state istate = { NULL };
cp_upd_index.git_cmd = 1;
argv_array_pushl(&cp_upd_index.args, "update-index", "-z", "--add",
"--remove", "--stdin", NULL);
argv_array_pushf(&cp_upd_index.env_array, "GIT_INDEX_FILE=%s",
stash_index_path.buf);
strbuf_addf(&untracked_msg, "untracked files on %s\n", msg->buf);
if (pipe_command(&cp_upd_index, files.buf, files.len, NULL, 0,
NULL, 0)) {
ret = -1;
goto done;
}
if (write_index_as_tree(&info->u_tree, &istate, stash_index_path.buf, 0,
NULL)) {
ret = -1;
goto done;
}
if (commit_tree(untracked_msg.buf, untracked_msg.len,
&info->u_tree, NULL, &info->u_commit, NULL, NULL)) {
ret = -1;
goto done;
}
done:
discard_index(&istate);
strbuf_release(&untracked_msg);
remove_path(stash_index_path.buf);
return ret;
}
static int list_stash(int argc, const char **argv, const char *prefix)
{
struct child_process cp = CHILD_PROCESS_INIT;
struct option options[] = {
OPT_END()
};
argc = parse_options(argc, argv, prefix, options,
git_stash_list_usage,
PARSE_OPT_KEEP_UNKNOWN);
if (!ref_exists(ref_stash))
return 0;
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "log", "--format=%gd: %gs", "-g",
"--first-parent", "-m", NULL);
argv_array_pushv(&cp.args, argv);
argv_array_push(&cp.args, ref_stash);
argv_array_push(&cp.args, "--");
return run_command(&cp);
}
static int compute_and_write_prerequisites(int bundle_fd,
struct rev_info *revs,
int argc, const char **argv)
{
struct child_process rls = CHILD_PROCESS_INIT;
struct strbuf buf = STRBUF_INIT;
FILE *rls_fout;
int i;
argv_array_pushl(&rls.args,
"rev-list", "--boundary", "--pretty=oneline",
NULL);
for (i = 1; i < argc; i++)
argv_array_push(&rls.args, argv[i]);
rls.out = -1;
rls.git_cmd = 1;
if (start_command(&rls))
return -1;
rls_fout = xfdopen(rls.out, "r");
while (strbuf_getwholeline(&buf, rls_fout, '\n') != EOF) {
unsigned char sha1[20];
if (buf.len > 0 && buf.buf[0] == '-') {
write_or_die(bundle_fd, buf.buf, buf.len);
if (!get_sha1_hex(buf.buf + 1, sha1)) {
struct object *object = parse_object_or_die(sha1, buf.buf);
object->flags |= UNINTERESTING;
add_pending_object(revs, object, buf.buf);
}
} else if (!get_sha1_hex(buf.buf, sha1)) {
struct object *object = parse_object_or_die(sha1, buf.buf);
object->flags |= SHOWN;
}
}
strbuf_release(&buf);
fclose(rls_fout);
if (finish_command(&rls))
return error(_("rev-list died"));
return 0;
}
static int use_builtin_stash(void)
{
struct child_process cp = CHILD_PROCESS_INIT;
struct strbuf out = STRBUF_INIT;
int ret, env = git_env_bool("GIT_TEST_STASH_USE_BUILTIN", -1);
if (env != -1)
return env;
argv_array_pushl(&cp.args,
"config", "--bool", "stash.usebuiltin", NULL);
cp.git_cmd = 1;
if (capture_command(&cp, &out, 6)) {
strbuf_release(&out);
return 1;
}
strbuf_trim(&out);
ret = !strcmp("true", out.buf);
strbuf_release(&out);
return ret;
}
static int branch_stash(int argc, const char **argv, const char *prefix)
{
int ret;
const char *branch = NULL;
struct stash_info info;
struct child_process cp = CHILD_PROCESS_INIT;
struct option options[] = {
OPT_END()
};
argc = parse_options(argc, argv, prefix, options,
git_stash_branch_usage, 0);
if (!argc) {
fprintf_ln(stderr, _("No branch name specified"));
return -1;
}
branch = argv[0];
if (get_stash_info(&info, argc - 1, argv + 1))
return -1;
cp.git_cmd = 1;
argv_array_pushl(&cp.args, "checkout", "-b", NULL);
argv_array_push(&cp.args, branch);
argv_array_push(&cp.args, oid_to_hex(&info.b_commit));
ret = run_command(&cp);
if (!ret)
ret = do_apply_stash(prefix, &info, 1, 0);
if (!ret && info.is_stash_ref)
ret = do_drop_stash(prefix, &info, 0);
free_stash_info(&info);
return ret;
}
