Refactoring the filter error handling is useful for the subsequent patch
'convert: add "status=delayed" to filter process protocol'.
In addition, replace the parentheses around the empty "if" block with a
single semicolon to adhere to the Git style guide.
Signed-off-by: Lars Schneider <larsxschneider@xxxxxxxxx>
---
convert.c | 47 ++++++++++++++++++++++++++---------------------
1 file changed, 26 insertions(+), 21 deletions(-)
diff --git a/convert.c b/convert.c
index 9907e3b9ba..e55c034d86 100644
--- a/convert.c
+++ b/convert.c
@@ -565,6 +565,29 @@ static int start_multi_file_filter_fn(struct subprocess_entry *subprocess)
return err;
}
+static void handle_filter_error(const struct strbuf *filter_status,
+ struct cmd2process *entry,
+ const unsigned int wanted_capability) {
+ if (!strcmp(filter_status->buf, "error"))
+ ; /* The filter signaled a problem with the file. */
+ else if (!strcmp(filter_status->buf, "abort") && wanted_capability) {
+ /*
+ * The filter signaled a permanent problem. Don't try to filter
+ * files with the same command for the lifetime of the current
+ * Git process.
+ */
+ entry->supported_capabilities &= ~wanted_capability;
+ } else {
+ /*
+ * Something went wrong with the protocol filter.
+ * Force shutdown and restart if another blob requires filtering.
+ */
+ error("external filter '%s' failed", entry->subprocess.cmd);
+ subprocess_stop(&subprocess_map, &entry->subprocess);
+ free(entry);
+ }
+}
+
static int apply_multi_file_filter(const char *path, const char *src, size_t len,
int fd, struct strbuf *dst, const char *cmd,
const unsigned int wanted_capability)
@@ -656,28 +679,10 @@ static int apply_multi_file_filter(const char *path, const char *src, size_t len
done:
sigchain_pop(SIGPIPE);
- if (err) {
- if (!strcmp(filter_status.buf, "error")) {
- /* The filter signaled a problem with the file. */
- } else if (!strcmp(filter_status.buf, "abort")) {
- /*
- * The filter signaled a permanent problem. Don't try to filter
- * files with the same command for the lifetime of the current
- * Git process.
- */
- entry->supported_capabilities &= ~wanted_capability;
- } else {
- /*
- * Something went wrong with the protocol filter.
- * Force shutdown and restart if another blob requires filtering.
- */
- error("external filter '%s' failed", cmd);
- subprocess_stop(&subprocess_map, &entry->subprocess);
- free(entry);
- }
- } else {
+ if (err)
+ handle_filter_error(&filter_status, entry, wanted_capability);
+ else
strbuf_swap(dst, &nbuf);
- }
strbuf_release(&nbuf);
return !err;
}
--
2.13.1
