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-rw-r--r--diff.c11
-rwxr-xr-xt/t4011-diff-symlink.sh26
2 files changed, 34 insertions, 3 deletions
diff --git a/diff.c b/diff.c
index 19b5bf6..95835d8 100644
--- a/diff.c
+++ b/diff.c
@@ -1764,8 +1764,14 @@ static void emit_binary_diff(FILE *file, mmfile_t *one, mmfile_t *two, char *pre
static void diff_filespec_load_driver(struct diff_filespec *one)
{
- if (!one->driver)
+ /* Use already-loaded driver */
+ if (one->driver)
+ return;
+
+ if (S_ISREG(one->mode))
one->driver = userdiff_find_by_path(one->path);
+
+ /* Fallback to default settings */
if (!one->driver)
one->driver = userdiff_find_by_name("default");
}
@@ -1813,8 +1819,7 @@ struct userdiff_driver *get_textconv(struct diff_filespec *one)
{
if (!DIFF_FILE_VALID(one))
return NULL;
- if (!S_ISREG(one->mode))
- return NULL;
+
diff_filespec_load_driver(one);
if (!one->driver->textconv)
return NULL;
diff --git a/t/t4011-diff-symlink.sh b/t/t4011-diff-symlink.sh
index 918a21a..cec6196 100755
--- a/t/t4011-diff-symlink.sh
+++ b/t/t4011-diff-symlink.sh
@@ -94,4 +94,30 @@ test_expect_success \
test_must_fail git diff --no-index pinky brain > output 2> output.err &&
grep narf output &&
! grep error output.err'
+
+test_expect_success SYMLINKS 'setup symlinks with attributes' '
+ echo "*.bin diff=bin" >>.gitattributes &&
+ echo content >file.bin &&
+ ln -s file.bin link.bin &&
+ git add -N file.bin link.bin
+'
+
+cat >expect <<'EOF'
+diff --git a/file.bin b/file.bin
+index e69de29..d95f3ad 100644
+Binary files a/file.bin and b/file.bin differ
+diff --git a/link.bin b/link.bin
+index e69de29..dce41ec 120000
+--- a/link.bin
++++ b/link.bin
+@@ -0,0 +1 @@
++file.bin
+\ No newline at end of file
+EOF
+test_expect_success SYMLINKS 'symlinks do not respect userdiff config by path' '
+ git config diff.bin.binary true &&
+ git diff file.bin link.bin >actual &&
+ test_cmp expect actual
+'
+
test_done