undef/git-commit-vandalism
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commit: move post-rewrite code to libgit

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Move run_rewrite_hook() from bulitin/commit.c to sequencer.c so it can
be shared with other commands and add a new function
commit_post_rewrite() based on the code in builtin/commit.c that
encapsulates rewriting notes and running the post-rewrite hook. Once
the sequencer learns how to create commits without forking 'git
commit' these functions will be used when squashing commits.

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 2017-11-17 11:34:48 +00:00 committed by Junio C Hamano
parent 0505d604c9
commit a87a6f3c98
3 changed files with 50 additions and 41 deletions
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42
builtin/commit.c
View File

@ -31,9 +31,7 @@
#include "gpg-interface.h"
#include "column.h"
#include "sequencer.h"
#include "notes-utils.h"
#include "mailmap.h"
#include "sigchain.h"
static const char * const builtin_commit_usage[] = {
N_("git commit [<options>] [--] <pathspec>..."),
@ -1478,37 +1476,6 @@ static int git_commit_config(const char *k, const char *v, void *cb)
return git_status_config(k, v, s);
}
static int run_rewrite_hook(const struct object_id *oldoid,
const struct object_id *newoid)
{
struct child_process proc = CHILD_PROCESS_INIT;
const char *argv[3];
int code;
struct strbuf sb = STRBUF_INIT;
argv[0] = find_hook("post-rewrite");
if (!argv[0])
return 0;
argv[1] = "amend";
argv[2] = NULL;
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
code = start_command(&proc);
if (code)
return code;
strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid));
sigchain_push(SIGPIPE, SIG_IGN);
write_in_full(proc.in, sb.buf, sb.len);
close(proc.in);
strbuf_release(&sb);
sigchain_pop(SIGPIPE);
return finish_command(&proc);
}
int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...)
{
struct argv_array hook_env = ARGV_ARRAY_INIT;
@ -1739,14 +1706,7 @@ int cmd_commit(int argc, const char **argv, const char *prefix)
rerere(0);
run_commit_hook(use_editor, get_index_file(), "post-commit", NULL);
if (amend && !no_post_rewrite) {
struct notes_rewrite_cfg *cfg;
cfg = init_copy_notes_for_rewrite("amend");
if (cfg) {
/* we are amending, so current_head is not NULL */
copy_note_for_rewrite(cfg, &current_head->object.oid, &oid);
finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
}
run_rewrite_hook(&current_head->object.oid, &oid);
commit_post_rewrite(current_head, &oid);
}
if (!quiet)
print_summary(prefix, &oid, !current_head);

47
sequencer.c
View File

@ -21,6 +21,8 @@
#include "log-tree.h"
#include "wt-status.h"
#include "hashmap.h"
#include "notes-utils.h"
#include "sigchain.h"
#define GIT_REFLOG_ACTION "GIT_REFLOG_ACTION"
@ -789,6 +791,51 @@ int update_head_with_reflog(const struct commit *old_head,
return ret;
}
static int run_rewrite_hook(const struct object_id *oldoid,
const struct object_id *newoid)
{
struct child_process proc = CHILD_PROCESS_INIT;
const char *argv[3];
int code;
struct strbuf sb = STRBUF_INIT;
argv[0] = find_hook("post-rewrite");
if (!argv[0])
return 0;
argv[1] = "amend";
argv[2] = NULL;
proc.argv = argv;
proc.in = -1;
proc.stdout_to_stderr = 1;
code = start_command(&proc);
if (code)
return code;
strbuf_addf(&sb, "%s %s\n", oid_to_hex(oldoid), oid_to_hex(newoid));
sigchain_push(SIGPIPE, SIG_IGN);
write_in_full(proc.in, sb.buf, sb.len);
close(proc.in);
strbuf_release(&sb);
sigchain_pop(SIGPIPE);
return finish_command(&proc);
}
void commit_post_rewrite(const struct commit *old_head,
const struct object_id *new_head)
{
struct notes_rewrite_cfg *cfg;
cfg = init_copy_notes_for_rewrite("amend");
if (cfg) {
/* we are amending, so old_head is not NULL */
copy_note_for_rewrite(cfg, &old_head->object.oid, new_head);
finish_copy_notes_for_rewrite(cfg, "Notes added by 'git commit --amend'");
}
run_rewrite_hook(&old_head->object.oid, new_head);
}
static int is_original_commit_empty(struct commit *commit)
{
const struct object_id *ptree_oid;

2
sequencer.h
View File

@ -73,4 +73,6 @@ int update_head_with_reflog(const struct commit *old_head,
const struct object_id *new_head,
const char *action, const struct strbuf *msg,
struct strbuf *err);
void commit_post_rewrite(const struct commit *current_head,
const struct object_id *new_head);
#endif