Recursive merge updates the work tree and so should use the smudgeToFile
filter.
At this point, smudgeToFile is run by everything that updates work
tree files.
Signed-off-by: Joey Hess <jo...@joeyh.name>
---
merge-recursive.c | 53 ++++++++++++++++++++++++++++++++++++++++-----------
t/t0021-conversion.sh | 16 +++++++++++++++-
2 files changed, 57 insertions(+), 12 deletions(-)
diff --git a/merge-recursive.c b/merge-recursive.c
index a4a1195..5fe3f50 100644
--- a/merge-recursive.c
+++ b/merge-recursive.c
@@ -758,6 +758,7 @@ static void update_file_flags(struct merge_options *o,
enum object_type type;
void *buf;
unsigned long size;
+ int isreg;
if (S_ISGITLINK(mode)) {
/*
@@ -774,22 +775,16 @@ static void update_file_flags(struct merge_options *o,
die(_("cannot read object %s '%s'"), oid_to_hex(oid),
path);
if (type != OBJ_BLOB)
die(_("blob expected for %s '%s'"), oid_to_hex(oid),
path);
- if (S_ISREG(mode)) {
- struct strbuf strbuf = STRBUF_INIT;
- if (convert_to_working_tree(path, buf, size, &strbuf)) {
- free(buf);
- size = strbuf.len;
- buf = strbuf_detach(&strbuf, NULL);
- }
- }
if (make_room_for_path(o, path) < 0) {
update_wd = 0;
free(buf);
goto update_index;
}
- if (S_ISREG(mode) || (!has_symlinks && S_ISLNK(mode))) {
+ isreg = S_ISREG(mode);
+ if (isreg || (!has_symlinks && S_ISLNK(mode))) {
int fd;
+ int smudge_to_file;
if (mode & 0100)
mode = 0777;
else
@@ -797,8 +792,44 @@ static void update_file_flags(struct merge_options *o,
fd = open(path, O_WRONLY | O_TRUNC | O_CREAT, mode);
if (fd < 0)
die_errno(_("failed to open '%s'"), path);
- write_in_full(fd, buf, size);
- close(fd);
+
+ smudge_to_file = can_smudge_to_file(path);
+ if (smudge_to_file) {
+ close(fd);
+ fd =
convert_to_working_tree_filter_to_file(path, path, buf, size);
+ if (fd < 0) {
+ /*
+ * smudgeToFile filter failed;
+ * continue with regular file
+ * creation.
+ */
+ smudge_to_file = 0;
+ fd = open(path, O_WRONLY | O_TRUNC |
O_CREAT, mode);
+ if (fd < 0)
+ die_errno(_("failed to open
'%s'"), path);
+ }
+ else {
+ close(fd);
+ }
+ }
+
+ /*
+ * Not an else of above if (smudge_to_file) because
+ * the smudgeToFile filter may fail and in that case
+ * this is run to recover.
+ */
+ if (!smudge_to_file) {
+ if (isreg) {
+ struct strbuf strbuf = STRBUF_INIT;
+ if (convert_to_working_tree(path, buf,
size, &strbuf)) {
+ free(buf);
+ size = strbuf.len;
+ buf = strbuf_detach(&strbuf,
NULL);
+ }
+ }
+ write_in_full(fd, buf, size);
+ close(fd);
+ }
} else if (S_ISLNK(mode)) {
char *lnk = xmemdupz(buf, size);
safe_create_leading_directories_const(path);
diff --git a/t/t0021-conversion.sh b/t/t0021-conversion.sh
index 42b28aa..64b2b8f 100755
--- a/t/t0021-conversion.sh
+++ b/t/t0021-conversion.sh
@@ -334,10 +334,24 @@ test_expect_success 'recovery from failure of
smudgeToFile filter that deletes t
test_cmp test fstest.t
'
+test_expect_success 'smudgeToFile filter is used in merge' '
+ test_config filter.rot13.smudgeToFile ./rot13-to-file.sh &&
+
+ git commit -m "added fstest.t" fstest.t &&
+ git checkout -b old &&
+ git reset --hard HEAD^ &&
+ git merge master &&
+ git checkout master &&
+
+ test -e rot13-to-file.ran &&
+ rm -f rot13-to-file.ran &&
+
+ test_cmp test fstest.t
+'
+
test_expect_success 'smudgeToFile filter is used by git am' '
test_config filter.rot13.smudgeToFile ./rot13-to-file.sh &&
- git commit fstest.t -m "added fstest.t" &&
git format-patch HEAD^ --stdout >fstest.patch &&
git reset --hard HEAD^ &&
git am fstest.patch &&
--
2.8.1
--
To unsubscribe from this list: send the line "unsubscribe git" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
