Our signed-tag objects set the standard format used by Git to store
GPG-signed payload (i.e. the payload followed by its detached
signature), and it made sense to have a helper to find the boundary
between the payload and its signature in tag.c back then.
Newer code added later to parse other kinds of objects that learned
to use the same format to store GPG-signed payload (e.g. signed
commits), however, kept using the helper from the same location.
Move it to gpg-interface; the helper is no longer about signed tag,
but it is how our code and data interact with GPG.
Signed-off-by: Junio C Hamano <gits...@pobox.com>
---
gpg-interface.c | 21 +++++++++++++++++++++
gpg-interface.h | 1 +
tag.c | 20 --------------------
tag.h | 1 -
4 files changed, 22 insertions(+), 21 deletions(-)
diff --git a/gpg-interface.c b/gpg-interface.c
index 3c9624c..0dd11ea 100644
--- a/gpg-interface.c
+++ b/gpg-interface.c
@@ -7,6 +7,9 @@
static char *configured_signing_key;
static const char *gpg_program = "gpg";
+#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
+#define PGP_MESSAGE "-----BEGIN PGP MESSAGE-----"
+
void signature_check_clear(struct signature_check *sigc)
{
free(sigc->payload);
@@ -57,6 +60,24 @@ void parse_gpg_output(struct signature_check *sigc)
}
}
+/*
+ * Look at GPG signed content (e.g. a signed tag object), whose
+ * payload is followed by a detached signature on it. Return the
+ * offset where the embedded detached signature begins, or the end of
+ * the data when there is no such signature.
+ */
+size_t parse_signature(const char *buf, unsigned long size)
+{
+ char *eol;
+ size_t len = 0;
+ while (len < size && !starts_with(buf + len, PGP_SIGNATURE) &&
+ !starts_with(buf + len, PGP_MESSAGE)) {
+ eol = memchr(buf + len, '\n', size - len);
+ len += eol ? eol - (buf + len) + 1 : size - len;
+ }
+ return len;
+}
+
void set_signing_key(const char *key)
{
free(configured_signing_key);
diff --git a/gpg-interface.h b/gpg-interface.h
index 8d677cc..93c76c2 100644
--- a/gpg-interface.h
+++ b/gpg-interface.h
@@ -20,6 +20,7 @@ struct signature_check {
};
extern void signature_check_clear(struct signature_check *sigc);
+extern size_t parse_signature(const char *buf, unsigned long size);
extern void parse_gpg_output(struct signature_check *);
extern int sign_buffer(struct strbuf *buffer, struct strbuf *signature, const
char *signing_key);
diff --git a/tag.c b/tag.c
index 82d841b..5b0ac62 100644
--- a/tag.c
+++ b/tag.c
@@ -4,9 +4,6 @@
#include "tree.h"
#include "blob.h"
-#define PGP_SIGNATURE "-----BEGIN PGP SIGNATURE-----"
-#define PGP_MESSAGE "-----BEGIN PGP MESSAGE-----"
-
const char *tag_type = "tag";
struct object *deref_tag(struct object *o, const char *warn, int warnlen)
@@ -143,20 +140,3 @@ int parse_tag(struct tag *item)
free(data);
return ret;
}
-
-/*
- * Look at a signed tag object, and return the offset where
- * the embedded detached signature begins, or the end of the
- * data when there is no such signature.
- */
-size_t parse_signature(const char *buf, unsigned long size)
-{
- char *eol;
- size_t len = 0;
- while (len < size && !starts_with(buf + len, PGP_SIGNATURE) &&
- !starts_with(buf + len, PGP_MESSAGE)) {
- eol = memchr(buf + len, '\n', size - len);
- len += eol ? eol - (buf + len) + 1 : size - len;
- }
- return len;
-}
diff --git a/tag.h b/tag.h
index bc8a1e4..f4580ae 100644
--- a/tag.h
+++ b/tag.h
@@ -17,6 +17,5 @@ extern int parse_tag_buffer(struct tag *item, const void
*data, unsigned long si
extern int parse_tag(struct tag *item);
extern struct object *deref_tag(struct object *, const char *, int);
extern struct object *deref_tag_noverify(struct object *);
-extern size_t parse_signature(const char *buf, unsigned long size);
#endif /* TAG_H */
--
2.1.0-301-g54593e2
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