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-rw-r--r--read-cache.c36
1 files changed, 31 insertions, 5 deletions
diff --git a/read-cache.c b/read-cache.c
index acc6e23..5b4ab03 100644
--- a/read-cache.c
+++ b/read-cache.c
@@ -355,17 +355,30 @@ int cache_name_pos(const char *name, int namelen)
return -first-1;
}
+/* Remove entry, return true if there are more entries to go.. */
+static int remove_entry_at(int pos)
+{
+ active_nr--;
+ if (pos >= active_nr)
+ return 0;
+ memmove(active_cache + pos, active_cache + pos + 1, (active_nr - pos) * sizeof(struct cache_entry *));
+ return 1;
+}
+
int remove_file_from_cache(char *path)
{
int pos = cache_name_pos(path, strlen(path));
- if (pos >= 0) {
- active_nr--;
- if (pos < active_nr)
- memmove(active_cache + pos, active_cache + pos + 1, (active_nr - pos) * sizeof(struct cache_entry *));
- }
+ if (pos >= 0)
+ remove_entry_at(pos);
return 0;
}
+static int same_name(struct cache_entry *a, struct cache_entry *b)
+{
+ int len = ce_namelen(a);
+ return ce_namelen(b) == len && !memcmp(a->name, b->name, len);
+}
+
int add_cache_entry(struct cache_entry *ce, int ok_to_add)
{
int pos;
@@ -379,6 +392,19 @@ int add_cache_entry(struct cache_entry *ce, int ok_to_add)
}
pos = -pos-1;
+ /*
+ * Inserting a merged entry ("stage 0") into the index
+ * will always replace all non-merged entries..
+ */
+ if (pos < active_nr && ce_stage(ce) == 0) {
+ while (same_name(active_cache[pos], ce)) {
+ ok_to_add = 1;
+ active_nr--;
+ if (!remove_entry_at(pos))
+ break;
+ }
+ }
+
if (!ok_to_add)
return -1;