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patch-id: use stable patch-id for rebases

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Git doesn't persist patch-ids during the rebase process, so there is
no need to specifically invoke the unstable variant. Use the stable
logic for all internal patch-id calculations to minimize the number of
code paths and improve test coverage.

Signed-off-by: Jerry Zhang <jerry@skydio.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jerry Zhang 2022-10-24 20:07:40 +00:00 committed by Junio C Hamano
parent 0570be79ea
commit 51276c1832
5 changed files with 12 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
builtin/log.c
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@ -1694,7 +1694,7 @@ static void prepare_bases(struct base_tree_info *bases,
struct object_id *patch_id;
if (*commit_base_at(&commit_base, commit))
continue;
if (commit_patch_id(commit, &diffopt, &oid, 0, 1))
if (commit_patch_id(commit, &diffopt, &oid, 0))
die(_("cannot get patch id"));
ALLOC_GROW(bases->patch_id, bases->nr_patch_id + 1, bases->alloc_patch_id);
patch_id = bases->patch_id + bases->nr_patch_id;

10
diff.c
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@ -6174,7 +6174,7 @@ static void patch_id_add_mode(git_hash_ctx *ctx, unsigned mode)
}
/* returns 0 upon success, and writes result into oid */
static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable)
static int diff_get_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
@ -6261,21 +6261,17 @@ static int diff_get_patch_id(struct diff_options *options, struct object_id *oid
return error("unable to generate patch-id diff for %s",
p->one->path);
}
if (stable)
flush_one_hunk(oid, &ctx);
}
if (!stable)
the_hash_algo->final_oid_fn(oid, &ctx);
return 0;
}
int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only, int stable)
int diff_flush_patch_id(struct diff_options *options, struct object_id *oid, int diff_header_only)
{
struct diff_queue_struct *q = &diff_queued_diff;
int i;
int result = diff_get_patch_id(options, oid, diff_header_only, stable);
int result = diff_get_patch_id(options, oid, diff_header_only);
for (i = 0; i < q->nr; i++)
diff_free_filepair(q->queue[i]);

2
diff.h
View File

@ -634,7 +634,7 @@ int run_diff_files(struct rev_info *revs, unsigned int option);
int run_diff_index(struct rev_info *revs, unsigned int option);
int do_diff_cache(const struct object_id *, struct diff_options *);
int diff_flush_patch_id(struct diff_options *, struct object_id *, int, int);
int diff_flush_patch_id(struct diff_options *, struct object_id *, int);
void flush_one_hunk(struct object_id *result, git_hash_ctx *ctx);
int diff_result_code(struct diff_options *, int);

10
patch-ids.c
View File

@ -11,7 +11,7 @@ static int patch_id_defined(struct commit *commit)
}
int commit_patch_id(struct commit *commit, struct diff_options *options,
struct object_id *oid, int diff_header_only, int stable)
struct object_id *oid, int diff_header_only)
{
if (!patch_id_defined(commit))
return -1;
@ -22,7 +22,7 @@ int commit_patch_id(struct commit *commit, struct diff_options *options,
else
diff_root_tree_oid(&commit->object.oid, "", options);
diffcore_std(options);
return diff_flush_patch_id(options, oid, diff_header_only, stable);
return diff_flush_patch_id(options, oid, diff_header_only);
}
/*
@ -48,11 +48,11 @@ static int patch_id_neq(const void *cmpfn_data,
b = container_of(entry_or_key, struct patch_id, ent);
if (is_null_oid(&a->patch_id) &&
commit_patch_id(a->commit, opt, &a->patch_id, 0, 0))
commit_patch_id(a->commit, opt, &a->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&a->commit->object.oid));
if (is_null_oid(&b->patch_id) &&
commit_patch_id(b->commit, opt, &b->patch_id, 0, 0))
commit_patch_id(b->commit, opt, &b->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&b->commit->object.oid));
return !oideq(&a->patch_id, &b->patch_id);
@ -82,7 +82,7 @@ static int init_patch_id_entry(struct patch_id *patch,
struct object_id header_only_patch_id;
patch->commit = commit;
if (commit_patch_id(commit, &ids->diffopts, &header_only_patch_id, 1, 0))
if (commit_patch_id(commit, &ids->diffopts, &header_only_patch_id, 1))
return -1;
hashmap_entry_init(&patch->ent, oidhash(&header_only_patch_id));

2
patch-ids.h
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@ -20,7 +20,7 @@ struct patch_ids {
};
int commit_patch_id(struct commit *commit, struct diff_options *options,
struct object_id *oid, int, int);
struct object_id *oid, int);
int init_patch_ids(struct repository *, struct patch_ids *);
int free_patch_ids(struct patch_ids *);