#include "alias.h"
#include "commit-reach.h"
#include "rebase-interactive.h"
+#include "reset.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
return 0;
}
-/*
- * Reads a file that was presumably written by a shell script, i.e. with an
- * end-of-line marker that needs to be stripped.
- *
- * Note that only the last end-of-line marker is stripped, consistent with the
- * behavior of "$(cat path)" in a shell script.
- *
- * Returns 1 if the file was read, 0 if it could not be read or does not exist.
- */
-static int read_oneliner(struct strbuf *buf,
- const char *path, int skip_if_empty)
+int read_oneliner(struct strbuf *buf,
+ const char *path, unsigned flags)
{
int orig_len = buf->len;
- if (!file_exists(path))
- return 0;
-
if (strbuf_read_file(buf, path, 0) < 0) {
- warning_errno(_("could not read '%s'"), path);
+ if ((flags & READ_ONELINER_WARN_MISSING) ||
+ (errno != ENOENT && errno != ENOTDIR))
+ warning_errno(_("could not read '%s'"), path);
return 0;
}
buf->buf[buf->len] = '\0';
}
- if (skip_if_empty && buf->len == orig_len)
+ if ((flags & READ_ONELINER_SKIP_IF_EMPTY) && buf->len == orig_len)
return 0;
return 1;
{
if (is_rebase_i(opts)) {
struct strbuf buf = STRBUF_INIT;
+ int ret = 0;
- if (read_oneliner(&buf, rebase_path_gpg_sign_opt(), 1)) {
+ if (read_oneliner(&buf, rebase_path_gpg_sign_opt(),
+ READ_ONELINER_SKIP_IF_EMPTY)) {
if (!starts_with(buf.buf, "-S"))
strbuf_reset(&buf);
else {
strbuf_reset(&buf);
}
- if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(), 1)) {
+ if (read_oneliner(&buf, rebase_path_allow_rerere_autoupdate(),
+ READ_ONELINER_SKIP_IF_EMPTY)) {
if (!strcmp(buf.buf, "--rerere-autoupdate"))
opts->allow_rerere_auto = RERERE_AUTOUPDATE;
else if (!strcmp(buf.buf, "--no-rerere-autoupdate"))
opts->keep_redundant_commits = 1;
read_strategy_opts(opts, &buf);
- strbuf_release(&buf);
+ strbuf_reset(&buf);
if (read_oneliner(&opts->current_fixups,
- rebase_path_current_fixups(), 1)) {
+ rebase_path_current_fixups(),
+ READ_ONELINER_SKIP_IF_EMPTY)) {
const char *p = opts->current_fixups.buf;
opts->current_fixup_count = 1;
while ((p = strchr(p, '\n'))) {
}
if (read_oneliner(&buf, rebase_path_squash_onto(), 0)) {
- if (get_oid_hex(buf.buf, &opts->squash_onto) < 0)
- return error(_("unusable squash-onto"));
+ if (get_oid_hex(buf.buf, &opts->squash_onto) < 0) {
+ ret = error(_("unusable squash-onto"));
+ goto done_rebase_i;
+ }
opts->have_squash_onto = 1;
}
- return 0;
+done_rebase_i:
+ strbuf_release(&buf);
+ return ret;
}
if (!file_exists(git_path_opts_file()))
return -1;
}
-static int apply_autostash(struct replay_opts *opts)
+void create_autostash(struct repository *r, const char *path,
+ const char *default_reflog_action)
+{
+ struct strbuf buf = STRBUF_INIT;
+ struct lock_file lock_file = LOCK_INIT;
+ int fd;
+
+ fd = repo_hold_locked_index(r, &lock_file, 0);
+ refresh_index(r->index, REFRESH_QUIET, NULL, NULL, NULL);
+ if (0 <= fd)
+ repo_update_index_if_able(r, &lock_file);
+ rollback_lock_file(&lock_file);
+
+ if (has_unstaged_changes(r, 1) ||
+ has_uncommitted_changes(r, 1)) {
+ struct child_process stash = CHILD_PROCESS_INIT;
+ struct object_id oid;
+
+ argv_array_pushl(&stash.args,
+ "stash", "create", "autostash", NULL);
+ stash.git_cmd = 1;
+ stash.no_stdin = 1;
+ strbuf_reset(&buf);
+ if (capture_command(&stash, &buf, GIT_MAX_HEXSZ))
+ die(_("Cannot autostash"));
+ strbuf_trim_trailing_newline(&buf);
+ if (get_oid(buf.buf, &oid))
+ die(_("Unexpected stash response: '%s'"),
+ buf.buf);
+ strbuf_reset(&buf);
+ strbuf_add_unique_abbrev(&buf, &oid, DEFAULT_ABBREV);
+
+ if (safe_create_leading_directories_const(path))
+ die(_("Could not create directory for '%s'"),
+ path);
+ write_file(path, "%s", oid_to_hex(&oid));
+ printf(_("Created autostash: %s\n"), buf.buf);
+ if (reset_head(r, NULL, "reset --hard",
+ NULL, RESET_HEAD_HARD, NULL, NULL,
+ default_reflog_action) < 0)
+ die(_("could not reset --hard"));
+
+ if (discard_index(r->index) < 0 ||
+ repo_read_index(r) < 0)
+ die(_("could not read index"));
+ }
+ strbuf_release(&buf);
+}
+
+static int apply_save_autostash_oid(const char *stash_oid, int attempt_apply)
{
- struct strbuf stash_sha1 = STRBUF_INIT;
struct child_process child = CHILD_PROCESS_INIT;
int ret = 0;
- if (!read_oneliner(&stash_sha1, rebase_path_autostash(), 1)) {
- strbuf_release(&stash_sha1);
- return 0;
+ if (attempt_apply) {
+ child.git_cmd = 1;
+ child.no_stdout = 1;
+ child.no_stderr = 1;
+ argv_array_push(&child.args, "stash");
+ argv_array_push(&child.args, "apply");
+ argv_array_push(&child.args, stash_oid);
+ ret = run_command(&child);
}
- strbuf_trim(&stash_sha1);
- child.git_cmd = 1;
- child.no_stdout = 1;
- child.no_stderr = 1;
- argv_array_push(&child.args, "stash");
- argv_array_push(&child.args, "apply");
- argv_array_push(&child.args, stash_sha1.buf);
- if (!run_command(&child))
+ if (attempt_apply && !ret)
fprintf(stderr, _("Applied autostash.\n"));
else {
struct child_process store = CHILD_PROCESS_INIT;
argv_array_push(&store.args, "-m");
argv_array_push(&store.args, "autostash");
argv_array_push(&store.args, "-q");
- argv_array_push(&store.args, stash_sha1.buf);
+ argv_array_push(&store.args, stash_oid);
if (run_command(&store))
- ret = error(_("cannot store %s"), stash_sha1.buf);
+ ret = error(_("cannot store %s"), stash_oid);
else
fprintf(stderr,
- _("Applying autostash resulted in conflicts.\n"
+ _("%s\n"
"Your changes are safe in the stash.\n"
"You can run \"git stash pop\" or"
- " \"git stash drop\" at any time.\n"));
+ " \"git stash drop\" at any time.\n"),
+ attempt_apply ?
+ _("Applying autostash resulted in conflicts.") :
+ _("Autostash exists; creating a new stash entry."));
+ }
+
+ return ret;
+}
+
+static int apply_save_autostash(const char *path, int attempt_apply)
+{
+ struct strbuf stash_oid = STRBUF_INIT;
+ int ret = 0;
+
+ if (!read_oneliner(&stash_oid, path,
+ READ_ONELINER_SKIP_IF_EMPTY)) {
+ strbuf_release(&stash_oid);
+ return 0;
}
+ strbuf_trim(&stash_oid);
- strbuf_release(&stash_sha1);
+ ret = apply_save_autostash_oid(stash_oid.buf, attempt_apply);
+
+ unlink(path);
+ strbuf_release(&stash_oid);
return ret;
}
+int save_autostash(const char *path)
+{
+ return apply_save_autostash(path, 0);
+}
+
+int apply_autostash(const char *path)
+{
+ return apply_save_autostash(path, 1);
+}
+
+int apply_autostash_oid(const char *stash_oid)
+{
+ return apply_save_autostash_oid(stash_oid, 1);
+}
+
static const char *reflog_message(struct replay_opts *opts,
const char *sub_action, const char *fmt, ...)
{
return error(_("%s: not a valid OID"), orig_head);
if (run_git_checkout(r, opts, oid_to_hex(onto), action)) {
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
sequencer_remove_state(opts);
return error(_("could not detach HEAD"));
}
run_command(&hook);
}
}
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
if (!opts->quiet) {
if (!opts->verbose)
struct strbuf buf = STRBUF_INIT;
struct object_id oid;
- if (read_oneliner(&buf, rebase_path_stopped_sha(), 1) &&
+ if (read_oneliner(&buf, rebase_path_stopped_sha(),
+ READ_ONELINER_SKIP_IF_EMPTY) &&
!get_oid_committish(buf.buf, &oid))
record_in_rewritten(&oid, peek_command(&todo_list, 0));
strbuf_release(&buf);
struct rev_info *revs, struct strbuf *out,
unsigned flags)
{
+ int keep_empty = flags & TODO_LIST_KEEP_EMPTY;
int rebase_cousins = flags & TODO_LIST_REBASE_COUSINS;
int root_with_onto = flags & TODO_LIST_ROOT_WITH_ONTO;
struct strbuf buf = STRBUF_INIT, oneline = STRBUF_INIT;
is_empty = is_original_commit_empty(commit);
if (!is_empty && (commit->object.flags & PATCHSAME))
continue;
+ if (is_empty && !keep_empty)
+ continue;
strbuf_reset(&oneline);
pretty_print_commit(pp, commit, &oneline);
strbuf_addf(&buf, "%s %s %s", cmd_pick,
oid_to_hex(&commit->object.oid),
oneline.buf);
+ if (is_empty)
+ strbuf_addf(&buf, " %c empty",
+ comment_line_char);
FLEX_ALLOC_STR(entry, string, buf.buf);
oidcpy(&entry->entry.oid, &commit->object.oid);
struct pretty_print_context pp = {0};
struct rev_info revs;
struct commit *commit;
+ int keep_empty = flags & TODO_LIST_KEEP_EMPTY;
const char *insn = flags & TODO_LIST_ABBREVIATE_CMDS ? "p" : "pick";
int rebase_merges = flags & TODO_LIST_REBASE_MERGES;
+ int reapply_cherry_picks = flags & TODO_LIST_REAPPLY_CHERRY_PICKS;
repo_init_revisions(r, &revs, NULL);
revs.verbose_header = 1;
if (!rebase_merges)
revs.max_parents = 1;
- revs.cherry_mark = 1;
+ revs.cherry_mark = !reapply_cherry_picks;
revs.limited = 1;
revs.reverse = 1;
revs.right_only = 1;
if (!is_empty && (commit->object.flags & PATCHSAME))
continue;
+ if (is_empty && !keep_empty)
+ continue;
strbuf_addf(out, "%s %s ", insn,
oid_to_hex(&commit->object.oid));
pretty_print_commit(&pp, commit, out);
+ if (is_empty)
+ strbuf_addf(out, " %c empty", comment_line_char);
strbuf_addch(out, '\n');
}
return 0;
todo_list_add_exec_commands(todo_list, commands);
if (count_commands(todo_list) == 0) {
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
sequencer_remove_state(opts);
return error(_("nothing to do"));
if (res == -1)
return -1;
else if (res == -2) {
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
sequencer_remove_state(opts);
return -1;
} else if (res == -3) {
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
sequencer_remove_state(opts);
todo_list_release(&new_todo);