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-rw-r--r--sequencer.c272
1 files changed, 207 insertions, 65 deletions
diff --git a/sequencer.c b/sequencer.c
index e528225e78..9d1b3e7d4f 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -32,6 +32,7 @@
#include "alias.h"
#include "commit-reach.h"
#include "rebase-interactive.h"
+#include "reset.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
@@ -40,7 +41,7 @@ static const char cherry_picked_prefix[] = "(cherry picked from commit ";
GIT_PATH_FUNC(git_path_commit_editmsg, "COMMIT_EDITMSG")
-GIT_PATH_FUNC(git_path_seq_dir, "sequencer")
+static GIT_PATH_FUNC(git_path_seq_dir, "sequencer")
static GIT_PATH_FUNC(git_path_todo_file, "sequencer/todo")
static GIT_PATH_FUNC(git_path_opts_file, "sequencer/opts")
@@ -419,25 +420,15 @@ static int write_message(const void *buf, size_t len, const char *filename,
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;
}
@@ -447,7 +438,7 @@ static int read_oneliner(struct strbuf *buf,
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;
@@ -946,6 +937,8 @@ static int run_git_commit(struct repository *r,
argv_array_push(&cmd.args, "--amend");
if (opts->gpg_sign)
argv_array_pushf(&cmd.args, "-S%s", opts->gpg_sign);
+ else
+ argv_array_push(&cmd.args, "--no-gpg-sign");
if (defmsg)
argv_array_pushl(&cmd.args, "-F", defmsg, NULL);
else if (!(flags & EDIT_MSG))
@@ -1323,7 +1316,7 @@ static int try_to_commit(struct repository *r,
return -1;
if (flags & AMEND_MSG) {
- const char *exclude_gpgsig[] = { "gpgsig", NULL };
+ const char *exclude_gpgsig[] = { "gpgsig", "gpgsig-sha256", NULL };
const char *out_enc = get_commit_output_encoding();
const char *message = logmsg_reencode(current_head, NULL,
out_enc);
@@ -1433,9 +1426,19 @@ out:
return res;
}
+static int write_rebase_head(struct object_id *oid)
+{
+ if (update_ref("rebase", "REBASE_HEAD", oid,
+ NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR))
+ return error(_("could not update %s"), "REBASE_HEAD");
+
+ return 0;
+}
+
static int do_commit(struct repository *r,
const char *msg_file, const char *author,
- struct replay_opts *opts, unsigned int flags)
+ struct replay_opts *opts, unsigned int flags,
+ struct object_id *oid)
{
int res = 1;
@@ -1460,8 +1463,12 @@ static int do_commit(struct repository *r,
return res;
}
}
- if (res == 1)
+ if (res == 1) {
+ if (is_rebase_i(opts) && oid)
+ if (write_rebase_head(oid))
+ return -1;
return run_git_commit(r, msg_file, opts, flags);
+ }
return res;
}
@@ -1564,7 +1571,7 @@ static const char *command_to_string(const enum todo_command command)
static char command_to_char(const enum todo_command command)
{
- if (command < TODO_COMMENT && todo_command_info[command].c)
+ if (command < TODO_COMMENT)
return todo_command_info[command].c;
return comment_line_char;
}
@@ -1929,7 +1936,9 @@ static int do_pick_commit(struct repository *r,
* However, if the merge did not even start, then we don't want to
* write it at all.
*/
- if (command == TODO_PICK && !opts->no_commit && (res == 0 || res == 1) &&
+ if ((command == TODO_PICK || command == TODO_REWORD ||
+ command == TODO_EDIT) && !opts->no_commit &&
+ (res == 0 || res == 1) &&
update_ref(NULL, "CHERRY_PICK_HEAD", &commit->object.oid, NULL,
REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR))
res = -1;
@@ -1965,7 +1974,8 @@ static int do_pick_commit(struct repository *r,
} /* else allow == 0 and there's nothing special to do */
if (!opts->no_commit && !drop_commit) {
if (author || command == TODO_REVERT || (flags & AMEND_MSG))
- res = do_commit(r, msg_file, author, opts, flags);
+ res = do_commit(r, msg_file, author, opts, flags,
+ commit? &commit->object.oid : NULL);
else
res = error(_("unable to parse commit author"));
*check_todo = !!(flags & EDIT_MSG);
@@ -2485,8 +2495,10 @@ static int read_populate_opts(struct replay_opts *opts)
{
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 {
@@ -2496,7 +2508,8 @@ static int read_populate_opts(struct replay_opts *opts)
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"))
@@ -2525,10 +2538,11 @@ static int read_populate_opts(struct replay_opts *opts)
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'))) {
@@ -2538,12 +2552,16 @@ static int read_populate_opts(struct replay_opts *opts)
}
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()))
@@ -3000,9 +3018,7 @@ static int make_patch(struct repository *r,
p = short_commit_name(commit);
if (write_message(p, strlen(p), rebase_path_stopped_sha(), 1) < 0)
return -1;
- if (update_ref("rebase", "REBASE_HEAD", &commit->object.oid,
- NULL, REF_NO_DEREF, UPDATE_REFS_MSG_ON_ERR))
- res |= error(_("could not update %s"), "REBASE_HEAD");
+ res |= write_rebase_head(&commit->object.oid);
strbuf_addf(&buf, "%s/patch", get_dir(opts));
memset(&log_tree_opt, 0, sizeof(log_tree_opt));
@@ -3113,7 +3129,7 @@ static int do_exec(struct repository *r, const char *command_line)
const char *child_argv[] = { NULL, NULL };
int dirty, status;
- fprintf(stderr, "Executing: %s\n", command_line);
+ fprintf(stderr, _("Executing: %s\n"), command_line);
child_argv[0] = command_line;
argv_array_pushf(&child_env, "GIT_DIR=%s", absolute_path(get_git_dir()));
argv_array_pushf(&child_env, "GIT_WORK_TREE=%s",
@@ -3290,6 +3306,7 @@ static int do_reset(struct repository *r,
unpack_tree_opts.fn = oneway_merge;
unpack_tree_opts.merge = 1;
unpack_tree_opts.update = 1;
+ init_checkout_metadata(&unpack_tree_opts.meta, name, &oid, NULL);
if (repo_read_index_unmerged(r)) {
rollback_lock_file(&lock);
@@ -3659,25 +3676,71 @@ static enum todo_command peek_command(struct todo_list *todo_list, int offset)
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;
@@ -3688,30 +3751,67 @@ static int apply_autostash(struct replay_opts *opts)
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);
+
+ ret = apply_save_autostash_oid(stash_oid.buf, attempt_apply);
- strbuf_release(&stash_sha1);
+ 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, ...)
{
va_list ap;
static struct strbuf buf = STRBUF_INIT;
+ char *reflog_action = getenv(GIT_REFLOG_ACTION);
va_start(ap, fmt);
strbuf_reset(&buf);
- strbuf_addstr(&buf, action_name(opts));
+ strbuf_addstr(&buf, reflog_action ? reflog_action : action_name(opts));
if (sub_action)
strbuf_addf(&buf, " (%s)", sub_action);
if (fmt) {
@@ -3757,7 +3857,7 @@ static int checkout_onto(struct repository *r, struct replay_opts *opts,
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"));
}
@@ -3799,8 +3899,11 @@ static int pick_commits(struct repository *r,
struct replay_opts *opts)
{
int res = 0, reschedule = 0;
+ char *prev_reflog_action;
+ /* Note that 0 for 3rd parameter of setenv means set only if not set */
setenv(GIT_REFLOG_ACTION, action_name(opts), 0);
+ prev_reflog_action = xstrdup(getenv(GIT_REFLOG_ACTION));
if (opts->allow_ff)
assert(!(opts->signoff || opts->no_commit ||
opts->record_origin || opts->edit));
@@ -3825,7 +3928,7 @@ static int pick_commits(struct repository *r,
fclose(f);
}
if (!opts->quiet)
- fprintf(stderr, "Rebasing (%d/%d)%s",
+ fprintf(stderr, _("Rebasing (%d/%d)%s"),
todo_list->done_nr,
todo_list->total_nr,
opts->verbose ? "\n" : "\r");
@@ -3845,12 +3948,14 @@ static int pick_commits(struct repository *r,
}
if (item->command <= TODO_SQUASH) {
if (is_rebase_i(opts))
- setenv("GIT_REFLOG_ACTION", reflog_message(opts,
+ setenv(GIT_REFLOG_ACTION, reflog_message(opts,
command_to_string(item->command), NULL),
1);
res = do_pick_commit(r, item->command, item->commit,
opts, is_final_fixup(todo_list),
&check_todo);
+ if (is_rebase_i(opts))
+ setenv(GIT_REFLOG_ACTION, prev_reflog_action, 1);
if (is_rebase_i(opts) && res < 0) {
/* Reschedule */
advise(_(rescheduled_advice),
@@ -4071,13 +4176,13 @@ cleanup_head_ref:
run_command(&hook);
}
}
- apply_autostash(opts);
+ apply_autostash(rebase_path_autostash());
if (!opts->quiet) {
if (!opts->verbose)
term_clear_line();
fprintf(stderr,
- "Successfully rebased and updated %s.\n",
+ _("Successfully rebased and updated %s.\n"),
head_ref.buf);
}
@@ -4289,7 +4394,8 @@ int sequencer_continue(struct repository *r, struct replay_opts *opts)
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);
@@ -4591,6 +4697,7 @@ static int make_script_with_merges(struct pretty_print_context *pp,
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;
@@ -4645,6 +4752,8 @@ static int make_script_with_merges(struct pretty_print_context *pp,
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);
@@ -4656,6 +4765,9 @@ static int make_script_with_merges(struct pretty_print_context *pp,
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);
@@ -4819,14 +4931,16 @@ int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
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;
@@ -4858,9 +4972,13 @@ int sequencer_make_script(struct repository *r, struct strbuf *out, int argc,
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;
@@ -4947,6 +5065,8 @@ static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_lis
max = num;
for (item = todo_list->items, i = 0; i < max; i++, item++) {
+ char cmd;
+
/* if the item is not a command write it and continue */
if (item->command >= TODO_COMMENT) {
strbuf_addf(buf, "%.*s\n", item->arg_len,
@@ -4955,8 +5075,9 @@ static void todo_list_to_strbuf(struct repository *r, struct todo_list *todo_lis
}
/* add command to the buffer */
- if (flags & TODO_LIST_ABBREVIATE_CMDS)
- strbuf_addch(buf, command_to_char(item->command));
+ cmd = command_to_char(item->command);
+ if ((flags & TODO_LIST_ABBREVIATE_CMDS) && cmd)
+ strbuf_addch(buf, cmd);
else
strbuf_addstr(buf, command_to_string(item->command));
@@ -5079,7 +5200,7 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
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"));
@@ -5090,12 +5211,12 @@ int complete_action(struct repository *r, struct replay_opts *opts, unsigned fla
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);
@@ -5315,3 +5436,24 @@ int todo_list_rearrange_squash(struct todo_list *todo_list)
return 0;
}
+
+int sequencer_determine_whence(struct repository *r, enum commit_whence *whence)
+{
+ if (file_exists(git_path_cherry_pick_head(r))) {
+ struct object_id cherry_pick_head, rebase_head;
+
+ if (file_exists(git_path_seq_dir()))
+ *whence = FROM_CHERRY_PICK_MULTI;
+ if (file_exists(rebase_path()) &&
+ !get_oid("REBASE_HEAD", &rebase_head) &&
+ !get_oid("CHERRY_PICK_HEAD", &cherry_pick_head) &&
+ oideq(&rebase_head, &cherry_pick_head))
+ *whence = FROM_REBASE_PICK;
+ else
+ *whence = FROM_CHERRY_PICK_SINGLE;
+
+ return 1;
+ }
+
+ return 0;
+}