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-rw-r--r--builtin/check-ref-format.c6
-rw-r--r--refs.c2
-rwxr-xr-xt/t1402-check-ref-format.sh9
3 files changed, 13 insertions, 4 deletions
diff --git a/builtin/check-ref-format.c b/builtin/check-ref-format.c
index ae3f28115a..0723cf245e 100644
--- a/builtin/check-ref-format.c
+++ b/builtin/check-ref-format.c
@@ -12,8 +12,8 @@ static const char builtin_check_ref_format_usage[] =
" or: git check-ref-format --branch <branchname-shorthand>";
/*
- * Replace each run of adjacent slashes in src with a single slash,
- * and write the result to dst.
+ * Remove leading slashes and replace each run of adjacent slashes in
+ * src with a single slash, and write the result to dst.
*
* This function is similar to normalize_path_copy(), but stripped down
* to meet check_ref_format's simpler needs.
@@ -21,7 +21,7 @@ static const char builtin_check_ref_format_usage[] =
static void collapse_slashes(char *dst, const char *src)
{
char ch;
- char prev = '\0';
+ char prev = '/';
while ((ch = *src++) != '\0') {
if (prev == '/' && ch == prev)
diff --git a/refs.c b/refs.c
index e5b2b1ac2b..a615043b34 100644
--- a/refs.c
+++ b/refs.c
@@ -862,7 +862,7 @@ int for_each_rawref(each_ref_fn fn, void *cb_data)
static inline int bad_ref_char(int ch)
{
- if (((unsigned) ch) <= ' ' ||
+ if (((unsigned) ch) <= ' ' || ch == 0x7f ||
ch == '~' || ch == '^' || ch == ':' || ch == '\\')
return 1;
/* 2.13 Pattern Matching Notation */
diff --git a/t/t1402-check-ref-format.sh b/t/t1402-check-ref-format.sh
index 1b0f82fa4c..ed4275afe3 100755
--- a/t/t1402-check-ref-format.sh
+++ b/t/t1402-check-ref-format.sh
@@ -18,6 +18,9 @@ invalid_ref 'foo'
valid_ref 'foo/bar/baz'
valid_ref 'refs///heads/foo'
invalid_ref 'heads/foo/'
+valid_ref '/heads/foo'
+valid_ref '///heads/foo'
+invalid_ref '/foo'
invalid_ref './foo'
invalid_ref '.refs/foo'
invalid_ref 'heads/foo..bar'
@@ -27,6 +30,9 @@ invalid_ref 'heads/foo.lock'
valid_ref 'heads/foo@bar'
invalid_ref 'heads/v@{ation'
invalid_ref 'heads/foo\bar'
+invalid_ref "$(printf 'heads/foo\t')"
+invalid_ref "$(printf 'heads/foo\177')"
+valid_ref "$(printf 'heads/fu\303\237')"
test_expect_success "check-ref-format --branch @{-1}" '
T=$(git write-tree) &&
@@ -70,7 +76,10 @@ invalid_ref_normalized() {
valid_ref_normalized 'heads/foo' 'heads/foo'
valid_ref_normalized 'refs///heads/foo' 'refs/heads/foo'
+valid_ref_normalized '/heads/foo' 'heads/foo'
+valid_ref_normalized '///heads/foo' 'heads/foo'
invalid_ref_normalized 'foo'
+invalid_ref_normalized '/foo'
invalid_ref_normalized 'heads/foo/../bar'
invalid_ref_normalized 'heads/./foo'
invalid_ref_normalized 'heads\foo'