This rewrites (the misnamed) setup_reflog_action() from shell to C. The
new version is called prepare_branch_to_be_rebased().
A new command is added to rebase--helper.c, “checkout-base”, as well as
a new flag, “verbose”, to avoid silencing the output of the checkout
operation called by checkout_base_commit().
The function `run_git_checkout()` will also be used in the next commit,
therefore its code is not part of `checkout_base_commit()`.
The shell version is then stripped in favour of a call to the helper.
As $GIT_REFLOG_ACTION is no longer set at the first call of
checkout_onto(), a call to comment_for_reflog() is added at the
beginning of this function.
Signed-off-by: Alban Gruin <alban.gruin@xxxxxxxxx>
---
builtin/rebase--helper.c | 9 +++++++--
git-rebase--interactive.sh | 16 ++--------------
sequencer.c | 30 ++++++++++++++++++++++++++++++
sequencer.h | 3 +++
4 files changed, 42 insertions(+), 16 deletions(-)
diff --git a/builtin/rebase--helper.c b/builtin/rebase--helper.c
index 731a64971..6c789e78b 100644
--- a/builtin/rebase--helper.c
+++ b/builtin/rebase--helper.c
@@ -13,12 +13,12 @@ static const char * const builtin_rebase_helper_usage[] = {
int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
{
struct replay_opts opts = REPLAY_OPTS_INIT;
- unsigned flags = 0, keep_empty = 0, rebase_merges = 0;
+ unsigned flags = 0, keep_empty = 0, rebase_merges = 0, verbose = 0;
int abbreviate_commands = 0, rebase_cousins = -1;
enum {
CONTINUE = 1, ABORT, MAKE_SCRIPT, SHORTEN_OIDS, EXPAND_OIDS,
CHECK_TODO_LIST, SKIP_UNNECESSARY_PICKS, REARRANGE_SQUASH,
- ADD_EXEC, APPEND_TODO_HELP, EDIT_TODO
+ ADD_EXEC, APPEND_TODO_HELP, EDIT_TODO, PREPARE_BRANCH
} command = 0;
struct option options[] = {
OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
@@ -28,6 +28,7 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
OPT_BOOL(0, "rebase-merges", &rebase_merges, N_("rebase merge commits")),
OPT_BOOL(0, "rebase-cousins", &rebase_cousins,
N_("keep original branch points of cousins")),
+ OPT__VERBOSE(&verbose, N_("be verbose")),
OPT_CMDMODE(0, "continue", &command, N_("continue rebase"),
CONTINUE),
OPT_CMDMODE(0, "abort", &command, N_("abort rebase"),
@@ -51,6 +52,8 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
OPT_CMDMODE(0, "edit-todo", &command,
N_("edit the todo list during an interactive rebase"),
EDIT_TODO),
+ OPT_CMDMODE(0, "prepare-branch", &command,
+ N_("prepare the branch to be rebased"), PREPARE_BRANCH),
OPT_END()
};
@@ -94,5 +97,7 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
return !!append_todo_help(0, keep_empty);
if (command == EDIT_TODO && argc == 1)
return !!edit_todo_list(flags);
+ if (command == PREPARE_BRANCH && argc == 2)
+ return !!prepare_branch_to_be_rebased(&opts, argv[1], verbose);
usage_with_options(builtin_rebase_helper_usage, options);
}
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 2defe607f..77e972bb6 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -72,6 +72,7 @@ collapse_todo_ids() {
# Switch to the branch in $into and notify it in the reflog
checkout_onto () {
+ comment_for_reflog start
GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name"
output git checkout $onto || die_abort "$(gettext "could not detach HEAD")"
git update-ref ORIG_HEAD $orig_head
@@ -119,19 +120,6 @@ initiate_action () {
esac
}
-setup_reflog_action () {
- comment_for_reflog start
-
- if test ! -z "$switch_to"
- then
- GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
- output git checkout "$switch_to" -- ||
- die "$(eval_gettext "Could not checkout \$switch_to")"
-
- comment_for_reflog start
- fi
-}
-
init_basic_state () {
orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
@@ -211,7 +199,7 @@ git_rebase__interactive () {
return 0
fi
- setup_reflog_action
+ git rebase--helper --prepare-branch "$switch_to" ${verbose:+--verbose}
init_basic_state
init_revisions_and_shortrevisions
diff --git a/sequencer.c b/sequencer.c
index 9e2b34a49..a61276d2c 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -3132,6 +3132,36 @@ static const char *reflog_message(struct replay_opts *opts,
return buf.buf;
}
+static int run_git_checkout(struct replay_opts *opts, const char *commit,
+ int verbose, const char *action)
+{
+ struct child_process cmd = CHILD_PROCESS_INIT;
+
+ cmd.git_cmd = 1;
+
+ argv_array_push(&cmd.args, "checkout");
+ argv_array_push(&cmd.args, commit);
+ argv_array_pushf(&cmd.env_array, GIT_REFLOG_ACTION "=%s", action);
+
+ if (verbose)
+ return run_command(&cmd);
+ return run_command_silent_on_success(&cmd);
+}
+
+int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit,
+ int verbose)
+{
+ const char *action;
+
+ if (commit && *commit) {
+ action = reflog_message(opts, "start", "checkout %s", commit);
+ if (run_git_checkout(opts, commit, verbose, action))
+ return error(_("Could not checkout %s"), commit);
+ }
+
+ return 0;
+}
+
static const char rescheduled_advice[] =
N_("Could not execute the todo command\n"
"\n"
diff --git a/sequencer.h b/sequencer.h
index ffab798f1..3821420b0 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -106,6 +106,9 @@ int update_head_with_reflog(const struct commit *old_head,
void commit_post_rewrite(const struct commit *current_head,
const struct object_id *new_head);
+int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit,
+ int verbose);
+
#define SUMMARY_INITIAL_COMMIT (1 << 0)
#define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)
void print_commit_summary(const char *prefix, const struct object_id *oid,
--
2.18.0
