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Diffstat (limited to 'commit.c')
-rw-r--r--commit.c48
1 files changed, 45 insertions, 3 deletions
diff --git a/commit.c b/commit.c
index b78127403..f00076e91 100644
--- a/commit.c
+++ b/commit.c
@@ -6,6 +6,7 @@
#include "diff.h"
#include "revision.h"
#include "notes.h"
+#include "gpg-interface.h"
int save_commit_buffer = 1;
@@ -840,6 +841,42 @@ struct commit_list *reduce_heads(struct commit_list *heads)
return result;
}
+static const char gpg_sig_header[] = "gpgsig";
+static const int gpg_sig_header_len = sizeof(gpg_sig_header) - 1;
+
+static int do_sign_commit(struct strbuf *buf, const char *keyid)
+{
+ struct strbuf sig = STRBUF_INIT;
+ int inspos, copypos;
+
+ /* find the end of the header */
+ inspos = strstr(buf->buf, "\n\n") - buf->buf + 1;
+
+ if (!keyid || !*keyid)
+ keyid = get_signing_key();
+ if (sign_buffer(buf, &sig, keyid)) {
+ strbuf_release(&sig);
+ return -1;
+ }
+
+ for (copypos = 0; sig.buf[copypos]; ) {
+ const char *bol = sig.buf + copypos;
+ const char *eol = strchrnul(bol, '\n');
+ int len = (eol - bol) + !!*eol;
+
+ if (!copypos) {
+ strbuf_insert(buf, inspos, gpg_sig_header, gpg_sig_header_len);
+ inspos += gpg_sig_header_len;
+ }
+ strbuf_insert(buf, inspos++, " ", 1);
+ strbuf_insert(buf, inspos, bol, len);
+ inspos += len;
+ copypos += len;
+ }
+ strbuf_release(&sig);
+ return 0;
+}
+
static void handle_signed_tag(struct commit *parent, struct commit_extra_header ***tail)
{
struct merge_remote_desc *desc;
@@ -975,13 +1012,14 @@ void free_commit_extra_headers(struct commit_extra_header *extra)
int commit_tree(const char *msg, unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
- const char *author)
+ const char *author, const char *sign_commit)
{
struct commit_extra_header *extra = NULL, **tail = &extra;
int result;
append_merge_tag_headers(parents, &tail);
- result = commit_tree_extended(msg, tree, parents, ret, author, extra);
+ result = commit_tree_extended(msg, tree, parents, ret,
+ author, sign_commit, extra);
free_commit_extra_headers(extra);
return result;
}
@@ -993,7 +1031,8 @@ static const char commit_utf8_warn[] =
int commit_tree_extended(const char *msg, unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
- const char *author, struct commit_extra_header *extra)
+ const char *author, const char *sign_commit,
+ struct commit_extra_header *extra)
{
int result;
int encoding_is_utf8;
@@ -1043,6 +1082,9 @@ int commit_tree_extended(const char *msg, unsigned char *tree,
if (encoding_is_utf8 && !is_utf8(buffer.buf))
fprintf(stderr, commit_utf8_warn);
+ if (sign_commit && do_sign_commit(&buffer, sign_commit))
+ return -1;
+
result = write_sha1_file(buffer.buf, buffer.len, commit_type, ret);
strbuf_release(&buffer);
return result;