This function does not contain any backend specific code so we move it
to the common code. This function might be used by other refs backends.
Signed-off-by: Ronnie Sahlberg <sahlb...@google.com>
Signed-off-by: David Turner <dtur...@twopensource.com>
Signed-off-by: Junio C Hamano <gits...@pobox.com>
Signed-off-by: Michael Haggerty <mhag...@alum.mit.edu>
---
refs-be-files.c | 33 ---------------------------------
refs.c | 24 ++++++++++++++++++++++++
refs.h | 11 +++++++++++
3 files changed, 35 insertions(+), 33 deletions(-)
diff --git a/refs-be-files.c b/refs-be-files.c
index 73eb1e2..8d966f1 100644
--- a/refs-be-files.c
+++ b/refs-be-files.c
@@ -196,39 +196,6 @@ static struct ref_dir *get_ref_dir(struct ref_entry *entry)
return dir;
}
-/*
- * Check if a refname is safe.
- * For refs that start with "refs/" we consider it safe as long they do
- * not try to resolve to outside of refs/.
- *
- * For all other refs we only consider them safe iff they only contain
- * upper case characters and '_' (like "HEAD" AND "MERGE_HEAD", and not like
- * "config").
- */
-static int refname_is_safe(const char *refname)
-{
- if (starts_with(refname, "refs/")) {
- char *buf;
- int result;
-
- buf = xmalloc(strlen(refname) + 1);
- /*
- * Does the refname try to escape refs/?
- * For example: refs/foo/../bar is safe but refs/foo/../../bar
- * is not.
- */
- result = !normalize_path_copy(buf, refname + strlen("refs/"));
- free(buf);
- return result;
- }
- while (*refname) {
- if (!isupper(*refname) && *refname != '_')
- return 0;
- refname++;
- }
- return 1;
-}
-
static struct ref_entry *create_ref_entry(const char *refname,
const unsigned char *sha1, int flag,
int check_name)
diff --git a/refs.c b/refs.c
index be08787..3eb3a28 100644
--- a/refs.c
+++ b/refs.c
@@ -950,3 +950,27 @@ int ref_transaction_verify(struct ref_transaction
*transaction,
NULL, old_sha1,
flags, NULL, err);
}
+
+int refname_is_safe(const char *refname)
+{
+ if (starts_with(refname, "refs/")) {
+ char *buf;
+ int result;
+
+ buf = xmalloc(strlen(refname) + 1);
+ /*
+ * Does the refname try to escape refs/?
+ * For example: refs/foo/../bar is safe but refs/foo/../../bar
+ * is not.
+ */
+ result = !normalize_path_copy(buf, refname + strlen("refs/"));
+ free(buf);
+ return result;
+ }
+ while (*refname) {
+ if (!isupper(*refname) && *refname != '_')
+ return 0;
+ refname++;
+ }
+ return 1;
+}
diff --git a/refs.h b/refs.h
index 3d24c79..be94e18 100644
--- a/refs.h
+++ b/refs.h
@@ -396,6 +396,17 @@ extern int for_each_reflog(each_ref_fn, void *);
*/
extern int check_refname_format(const char *refname, int flags);
+/*
+ * Check if a refname is safe.
+ * For refs that start with "refs/" we consider it safe as long they do
+ * not try to resolve to outside of refs/.
+ *
+ * For all other refs we only consider them safe iff they only contain
+ * upper case characters and '_' (like "HEAD" AND "MERGE_HEAD", and not like
+ * "config").
+ */
+extern int refname_is_safe(const char *refname);
+
extern const char *prettify_refname(const char *refname);
extern char *shorten_unambiguous_ref(const char *refname, int strict);
--
2.4.2.644.g97b850b-twtrsrc
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