The new find_name_gnu() function handles new-style '--- "a/foo"'
patch header lines, leaving find_name() itself a bit less
daunting.
Functional change: do not clobber the p-value when there are not
enough path components in a quoted file name to honor it.
Signed-off-by: Jonathan Nieder <jrnieder@xxxxxxxxx>
---
builtin/apply.c | 70 +++++++++++++++++++++++++++---------------------
t/t4120-apply-popt.sh | 35 ++++++++++++++++++++++--
2 files changed, 71 insertions(+), 34 deletions(-)
diff --git a/builtin/apply.c b/builtin/apply.c
index 12ef9ea..efc109e 100644
--- a/builtin/apply.c
+++ b/builtin/apply.c
@@ -416,44 +416,52 @@ static char *squash_slash(char *name)
return name;
}
+static char *find_name_gnu(const char *line, char *def, int p_value)
+{
+ struct strbuf name = STRBUF_INIT;
+ char *cp;
+
+ /*
+ * Proposed "new-style" GNU patch/diff format; see
+ * http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
+ */
+ if (unquote_c_style(&name, line, NULL)) {
+ strbuf_release(&name);
+ return NULL;
+ }
+
+ for (cp = name.buf; p_value; p_value--) {
+ cp = strchr(cp, '/');
+ if (!cp) {
+ strbuf_release(&name);
+ return NULL;
+ }
+ cp++;
+ }
+
+ /* name can later be freed, so we need
+ * to memmove, not just return cp
+ */
+ strbuf_remove(&name, 0, cp - name.buf);
+ free(def);
+ if (root)
+ strbuf_insert(&name, 0, root, root_len);
+ return squash_slash(strbuf_detach(&name, NULL));
+}
+
static char *find_name(const char *line, char *def, int p_value, int terminate)
{
int len;
const char *start = NULL;
+ if (*line == '"') {
+ char *name = find_name_gnu(line, def, p_value);
+ if (name)
+ return name;
+ }
+
if (p_value == 0)
start = line;
-
- if (*line == '"') {
- struct strbuf name = STRBUF_INIT;
-
- /*
- * Proposed "new-style" GNU patch/diff format; see
- * http://marc.theaimsgroup.com/?l=git&m=112927316408690&w=2
- */
- if (!unquote_c_style(&name, line, NULL)) {
- char *cp;
-
- for (cp = name.buf; p_value; p_value--) {
- cp = strchr(cp, '/');
- if (!cp)
- break;
- cp++;
- }
- if (cp) {
- /* name can later be freed, so we need
- * to memmove, not just return cp
- */
- strbuf_remove(&name, 0, cp - name.buf);
- free(def);
- if (root)
- strbuf_insert(&name, 0, root, root_len);
- return squash_slash(strbuf_detach(&name, NULL));
- }
- }
- strbuf_release(&name);
- }
-
for (;;) {
char c = *line;
diff --git a/t/t4120-apply-popt.sh b/t/t4120-apply-popt.sh
index b463b4f..2b2d00b 100755
--- a/t/t4120-apply-popt.sh
+++ b/t/t4120-apply-popt.sh
@@ -10,21 +10,50 @@ test_description='git apply -p handling.'
test_expect_success setup '
mkdir sub &&
echo A >sub/file1 &&
- cp sub/file1 file1 &&
+ cp sub/file1 file1.saved &&
git add sub/file1 &&
echo B >sub/file1 &&
git diff >patch.file &&
- rm sub/file1 &&
- rmdir sub
+ git checkout -- sub/file1 &&
+ git mv sub süb &&
+ echo B >süb/file1 &&
+ git diff >patch.escaped &&
+ grep "[\]" patch.escaped &&
+ rm süb/file1 &&
+ rmdir süb
'
test_expect_success 'apply git diff with -p2' '
+ cp file1.saved file1 &&
git apply -p2 patch.file
'
test_expect_success 'apply with too large -p' '
+ cp file1.saved file1 &&
test_must_fail git apply --stat -p3 patch.file 2>err &&
grep "removing 3 leading" err
'
+test_expect_success 'apply (-p2) traditional diff with funny filenames' '
+ cat >patch.quotes <<-\EOF &&
+ diff -u "a/"sub/file1 "b/"sub/file1
+ --- "a/"sub/file1
+ +++ "b/"sub/file1
+ @@ -1 +1 @@
+ -A
+ +B
+ EOF
+ echo B >expected &&
+
+ cp file1.saved file1 &&
+ git apply -p2 patch.quotes &&
+ test_cmp expected file1
+'
+
+test_expect_success 'apply with too large -p and fancy filename' '
+ cp file1.saved file1 &&
+ test_must_fail git apply --stat -p3 patch.escaped 2>err &&
+ grep "removing 3 leading" err
+'
+
test_done
--
1.7.2.1.544.ga752d.dirty
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html