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commit: encapsulate determine_whence() for sequencer

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Working out which command wants to create a commit requires detailed
knowledge of the sequencer internals and that knowledge is going to
increase in subsequent commits. With that in mind lets encapsulate that
knowledge in sequencer.c rather than spreading it into builtin/commit.c.

Signed-off-by: Phillip Wood <phillip.wood@dunelm.org.uk>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Phillip Wood 2019-12-06 16:06:11 +00:00 committed by Junio C Hamano
parent 8d57f75749
commit 901ba7b1ef
3 changed files with 15 additions and 6 deletions
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5
builtin/commit.c
View File

@ -178,10 +178,7 @@ static void determine_whence(struct wt_status *s)
{
if (file_exists(git_path_merge_head(the_repository)))
whence = FROM_MERGE;
else if (file_exists(git_path_cherry_pick_head(the_repository)))
whence = file_exists(git_path_seq_dir()) ?
FROM_CHERRY_PICK_MULTI : FROM_CHERRY_PICK_SINGLE;
else
else if (!sequencer_determine_whence(the_repository, &whence))
whence = FROM_COMMIT;
if (s)
s->whence = whence;

13
sequencer.c
View File

@ -40,7 +40,7 @@ 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")
@ -5312,3 +5312,14 @@ 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))) {
*whence = file_exists(git_path_seq_dir()) ?
FROM_CHERRY_PICK_MULTI : FROM_CHERRY_PICK_SINGLE;
return 1;
}
return 0;
}

3
sequencer.h
View File

@ -3,12 +3,12 @@
#include "cache.h"
#include "strbuf.h"
#include "wt-status.h"
struct commit;
struct repository;
const char *git_path_commit_editmsg(void);
const char *git_path_seq_dir(void);
const char *rebase_path_todo(void);
const char *rebase_path_todo_backup(void);
@ -208,4 +208,5 @@ int write_basic_state(struct replay_opts *opts, const char *head_name,
void sequencer_post_commit_cleanup(struct repository *r, int verbose);
int sequencer_get_last_command(struct repository* r,
enum replay_action *action);
int sequencer_determine_whence(struct repository *r, enum commit_whence *whence);
#endif /* SEQUENCER_H */