diff options
| -rw-r--r-- | diff.c | 8 | ||||
| -rwxr-xr-x | t/t4020-diff-external.sh | 19 |
2 files changed, 24 insertions, 3 deletions
@@ -2913,9 +2913,8 @@ static void run_diff_cmd(const char *pgm, int complete_rewrite = (p->status == DIFF_STATUS_MODIFIED) && p->score; int must_show_header = 0; - if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL)) - pgm = NULL; - else { + + if (DIFF_OPT_TST(o, ALLOW_EXTERNAL)) { struct userdiff_driver *drv = userdiff_find_by_path(attr_path); if (drv && drv->external) pgm = drv->external; @@ -2995,6 +2994,9 @@ static void run_diff(struct diff_filepair *p, struct diff_options *o) if (o->prefix_length) strip_prefix(o->prefix_length, &name, &other); + if (!DIFF_OPT_TST(o, ALLOW_EXTERNAL)) + pgm = NULL; + if (DIFF_PAIR_UNMERGED(p)) { run_diff_cmd(pgm, name, NULL, attr_path, NULL, NULL, NULL, o, p); diff --git a/t/t4020-diff-external.sh b/t/t4020-diff-external.sh index 083f62d1d..025df533c 100755 --- a/t/t4020-diff-external.sh +++ b/t/t4020-diff-external.sh @@ -48,7 +48,26 @@ test_expect_success 'GIT_EXTERNAL_DIFF environment and --no-ext-diff' ' ' +test_expect_success SYMLINKS 'typechange diff' ' + rm -f file && + ln -s elif file && + GIT_EXTERNAL_DIFF=echo git diff | { + read path oldfile oldhex oldmode newfile newhex newmode && + test "z$path" = zfile && + test "z$oldmode" = z100644 && + test "z$newhex" = "z$_z40" && + test "z$newmode" = z120000 && + oh=$(git rev-parse --verify HEAD:file) && + test "z$oh" = "z$oldhex" + } && + GIT_EXTERNAL_DIFF=echo git diff --no-ext-diff >actual && + git diff >expect && + test_cmp expect actual +' + test_expect_success 'diff attribute' ' + git reset --hard && + echo third >file && git config diff.parrot.command echo && |