And finally what all of this has been leading up to.
The 2 line code change to record who made a tag,
and the 8 line code change to check that we recorded
the tag.
Gosh the error checking is always so much bigger than the code :)
---
git-tag-script | 3 ++-
mktag.c | 10 ++++++++--
2 files changed, 10 insertions(+), 3 deletions(-)
6ba7a00f34b28cf6761b517a2ad377c80780186b
diff --git a/git-tag-script b/git-tag-script
--- a/git-tag-script
+++ b/git-tag-script
@@ -7,6 +7,7 @@ name="$1"
object=${2:-$(cat "$GIT_DIR"/HEAD)}
type=$(git-cat-file -t $object) || exit 1
+tagger=$(git-var GIT_COMMITTER_IDENT) || exit 1
( echo "#"
echo "# Write a tag message"
@@ -17,7 +18,7 @@ grep -v '^#' < .editmsg | git-stripspace
[ -s .tagmsg ] || exit
-( echo -e "object $object\ntype $type\ntag $name\n"; cat .tagmsg ) > .tmp-tag
+( echo -e "object $object\ntype $type\ntag $name\ntagger $tagger\n"; cat
.tagmsg ) > .tmp-tag
rm -f .tmp-tag.asc .tagmsg
gpg -bsa .tmp-tag && cat .tmp-tag.asc >> .tmp-tag
mkdir -p "$GIT_DIR/refs/tags"
diff --git a/mktag.c b/mktag.c
--- a/mktag.c
+++ b/mktag.c
@@ -42,7 +42,7 @@ static int verify_tag(char *buffer, unsi
int typelen;
char type[20];
unsigned char sha1[20];
- const char *object, *type_line, *tag_line;
+ const char *object, *type_line, *tag_line, *tagger_line;
if (size < 64 || size > MAXSIZE-1)
return -1;
@@ -92,6 +92,12 @@ static int verify_tag(char *buffer, unsi
return -1;
}
+ /* Verify the tagger line */
+ tagger_line = tag_line;
+
+ if (memcmp(tagger_line, "tagger", 6) || (tagger_line[6] == '\n'))
+ return -1;
+
/* The actual stuff afterwards we don't care about.. */
return 0;
}
@@ -119,7 +125,7 @@ int main(int argc, char **argv)
size += ret;
}
- // Verify it for some basic sanity: it needs to start with "object
<sha1>\ntype "
+ // Verify it for some basic sanity: it needs to start with "object
<sha1>\ntype\ntagger "
if (verify_tag(buffer, size) < 0)
die("invalid tag signature file");
-
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