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-rw-r--r--rerere.c83
1 files changed, 70 insertions, 13 deletions
diff --git a/rerere.c b/rerere.c
index d260843..22dfc84 100644
--- a/rerere.c
+++ b/rerere.c
@@ -7,6 +7,11 @@
#include "ll-merge.h"
#include "attr.h"
+#define RESOLVED 0
+#define PUNTED 1
+#define THREE_STAGED 2
+void *RERERE_RESOLVED = &RERERE_RESOLVED;
+
/* if rerere_enabled == -1, fall back to detection of .git/rr-cache */
static int rerere_enabled = -1;
@@ -345,21 +350,74 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
return hunk_no;
}
-static int find_conflict(struct string_list *conflict)
+static int check_one_conflict(int i, int *type)
{
- int i;
- if (read_cache() < 0)
- return error("Could not read index");
- for (i = 0; i+1 < active_nr; i++) {
+ struct cache_entry *e = active_cache[i];
+
+ if (!ce_stage(e)) {
+ *type = RESOLVED;
+ return i + 1;
+ }
+
+ *type = PUNTED;
+ if (ce_stage(e) == 1) {
+ if (active_nr <= ++i)
+ return i + 1;
+ }
+
+ /* Only handle regular files with both stages #2 and #3 */
+ if (i + 1 < active_nr) {
struct cache_entry *e2 = active_cache[i];
- struct cache_entry *e3 = active_cache[i+1];
+ struct cache_entry *e3 = active_cache[i + 1];
if (ce_stage(e2) == 2 &&
ce_stage(e3) == 3 &&
- ce_same_name(e2, e3) &&
+ ce_same_name(e, e3) &&
S_ISREG(e2->ce_mode) &&
- S_ISREG(e3->ce_mode)) {
- string_list_insert(conflict, (const char *)e2->name);
- i++; /* skip over both #2 and #3 */
+ S_ISREG(e3->ce_mode))
+ *type = THREE_STAGED;
+ }
+
+ /* Skip the entries with the same name */
+ while (i < active_nr && ce_same_name(e, active_cache[i]))
+ i++;
+ return i;
+}
+
+static int find_conflict(struct string_list *conflict)
+{
+ int i;
+ if (read_cache() < 0)
+ return error("Could not read index");
+
+ for (i = 0; i < active_nr;) {
+ int conflict_type;
+ struct cache_entry *e = active_cache[i];
+ i = check_one_conflict(i, &conflict_type);
+ if (conflict_type == THREE_STAGED)
+ string_list_insert(conflict, (const char *)e->name);
+ }
+ return 0;
+}
+
+int rerere_remaining(struct string_list *merge_rr)
+{
+ int i;
+ if (read_cache() < 0)
+ return error("Could not read index");
+
+ for (i = 0; i < active_nr;) {
+ int conflict_type;
+ struct cache_entry *e = active_cache[i];
+ i = check_one_conflict(i, &conflict_type);
+ if (conflict_type == PUNTED)
+ string_list_insert(merge_rr, (const char *)e->name);
+ else if (conflict_type == RESOLVED) {
+ struct string_list_item *it;
+ it = string_list_lookup(merge_rr, (const char *)e->name);
+ if (it != NULL) {
+ free(it->util);
+ it->util = RERERE_RESOLVED;
+ }
}
}
return 0;
@@ -380,7 +438,7 @@ static int merge(const char *name, const char *path)
ret = 1;
goto out;
}
- ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", 0);
+ ret = ll_merge(&result, path, &base, NULL, &cur, "", &other, "", NULL);
if (!ret) {
FILE *f;
@@ -532,8 +590,7 @@ static int is_rerere_enabled(void)
if (rerere_enabled < 0)
return rr_cache_exists;
- if (!rr_cache_exists &&
- (mkdir(rr_cache, 0777) || adjust_shared_perm(rr_cache)))
+ if (!rr_cache_exists && mkdir_in_gitdir(rr_cache))
die("Could not create directory %s", rr_cache);
return 1;
}