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;
}
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 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;
}
int write_cache_as_tree(unsigned char *sha1, int flags, const char *prefix)
{
return write_index_as_tree(sha1, &the_index, get_index_file(), flags, prefix);
}
