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-rw-r--r--builtin/rebase--helper.c7
-rw-r--r--git-rebase--interactive.sh25
-rw-r--r--sequencer.c19
-rw-r--r--sequencer.h3
4 files changed, 32 insertions, 22 deletions
diff --git a/builtin/rebase--helper.c b/builtin/rebase--helper.c
index 0e76dad..7d9426d 100644
--- a/builtin/rebase--helper.c
+++ b/builtin/rebase--helper.c
@@ -18,7 +18,8 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
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, PREPARE_BRANCH
+ ADD_EXEC, APPEND_TODO_HELP, EDIT_TODO, PREPARE_BRANCH,
+ CHECKOUT_ONTO
} command = 0;
struct option options[] = {
OPT_BOOL(0, "ff", &opts.allow_ff, N_("allow fast-forward")),
@@ -54,6 +55,8 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
EDIT_TODO),
OPT_CMDMODE(0, "prepare-branch", &command,
N_("prepare the branch to be rebased"), PREPARE_BRANCH),
+ OPT_CMDMODE(0, "checkout-onto", &command,
+ N_("checkout a commit"), CHECKOUT_ONTO),
OPT_END()
};
@@ -99,5 +102,7 @@ int cmd_rebase__helper(int argc, const char **argv, const char *prefix)
return !!edit_todo_list(flags);
if (command == PREPARE_BRANCH && argc == 2)
return !!prepare_branch_to_be_rebased(&opts, argv[1]);
+ if (command == CHECKOUT_ONTO && argc == 4)
+ return !!checkout_onto(&opts, argv[1], argv[2], argv[3]);
usage_with_options(builtin_rebase_helper_usage, options);
}
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 77e972b..b68f108 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -28,17 +28,6 @@ case "$comment_char" in
;;
esac
-orig_reflog_action="$GIT_REFLOG_ACTION"
-
-comment_for_reflog () {
- case "$orig_reflog_action" in
- ''|rebase*)
- GIT_REFLOG_ACTION="rebase -i ($1)"
- export GIT_REFLOG_ACTION
- ;;
- esac
-}
-
die_abort () {
apply_autostash
rm -rf "$state_dir"
@@ -70,14 +59,6 @@ collapse_todo_ids() {
git rebase--helper --shorten-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 $orig_head
-}
-
get_missing_commit_check_level () {
check_level=$(git config --get rebase.missingCommitsCheck)
check_level=${check_level:-ignore}
@@ -176,7 +157,8 @@ EOF
git rebase--helper --check-todo-list || {
ret=$?
- checkout_onto
+ git rebase--helper --checkout-onto "$onto_name" "$onto" \
+ "$orig_head" ${verbose:+--verbose}
exit $ret
}
@@ -186,7 +168,8 @@ EOF
onto="$(git rebase--helper --skip-unnecessary-picks)" ||
die "Could not skip unnecessary pick commands"
- checkout_onto
+ git rebase--helper --checkout-onto "$onto_name" "$onto" "$orig_head" \
+ ${verbose:+--verbose}
require_clean_work_tree "rebase"
exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
--continue
diff --git a/sequencer.c b/sequencer.c
index e48b37b..df2c80d 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -3169,6 +3169,25 @@ int prepare_branch_to_be_rebased(struct replay_opts *opts, const char *commit)
return 0;
}
+int checkout_onto(struct replay_opts *opts,
+ const char *onto_name, const char *onto,
+ const char *orig_head)
+{
+ struct object_id oid;
+ const char *action = reflog_message(opts, "start", "checkout %s", onto_name);
+
+ if (get_oid(orig_head, &oid))
+ return error(_("%s: not a valid OID"), orig_head);
+
+ if (run_git_checkout(opts, onto, action)) {
+ apply_autostash(opts);
+ sequencer_remove_state(opts);
+ return error(_("could not detach HEAD"));
+ }
+
+ return update_ref(NULL, "ORIG_HEAD", &oid, NULL, 0, UPDATE_REFS_MSG_ON_ERR);
+}
+
static const char rescheduled_advice[] =
N_("Could not execute the todo command\n"
"\n"
diff --git a/sequencer.h b/sequencer.h
index f619b02..d2b54ad 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -110,6 +110,9 @@ 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 checkout_onto(struct replay_opts *opts,
+ const char *onto_name, const char *onto,
+ const char *orig_head);
#define SUMMARY_INITIAL_COMMIT (1 << 0)
#define SUMMARY_SHOW_AUTHOR_DATE (1 << 1)