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commit: allow parsing arbitrary buffers with headers

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Currently only commits are signed with headers.  However, in the future,
we'll also sign tags with headers as well.  Let's refactor out a
function called parse_buffer_signed_by_header which does exactly that.
In addition, since we'll want to sign things other than commits this
way, let's call the function sign_with_header instead of do_sign_commit.

Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
brian m. carlson
2021-02-11 02:08:04 +00:00
committed by Junio C Hamano
parent 482c119186
commit 937032e14a
2 changed files with 25 additions and 4 deletions
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9
commit.h
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@ -360,4 +360,13 @@ int compare_commits_by_gen_then_commit_date(const void *a_, const void *b_, void
LAST_ARG_MUST_BE_NULL
int run_commit_hook(int editor_is_used, const char *index_file, const char *name, ...);
/* Sign a commit or tag buffer, storing the result in a header. */
int sign_with_header(struct strbuf *buf, const char *keyid);
/* Parse the signature out of a header. */
int parse_buffer_signed_by_header(const char *buffer,
unsigned long size,
struct strbuf *payload,
struct strbuf *signature,
const struct git_hash_algo *algop);
#endif /* COMMIT_H */