bash prompt: print unique detached HEAD abbreviated object name

diff --git a/read-cache.c b/read-cache.c
index e6e046687e130dd0a926d0761cba95fc18e1a96c..b297addb576dec45fa9b82ef4a0ffb350f9cfc6c 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -628,7 +628,7 @@ int add_to_index(struct index_state *istate, const char *path, struct stat *st,
                        if (*ptr == '/') {
                                struct cache_entry *foundce;
                                ++ptr;
-                               foundce = index_name_exists(&the_index, ce->name, ptr - ce->name, ignore_case);
+                               foundce = index_name_exists(istate, ce->name, ptr - ce->name, ignore_case);
                                if (foundce) {
                                        memcpy((void *)startPtr, foundce->name + (startPtr - ce->name), ptr - startPtr);
                                        startPtr = ptr;
@@ -981,7 +981,7 @@ int add_index_entry(struct index_state *istate, struct cache_entry *ce, int opti
        if (istate->cache_nr == istate->cache_alloc) {
                istate->cache_alloc = alloc_nr(istate->cache_alloc);
                istate->cache = xrealloc(istate->cache,
-                                       istate->cache_alloc * sizeof(struct cache_entry *));
+                                       istate->cache_alloc * sizeof(*istate->cache));
        }
 
        /* Add it in.. */
@@ -1451,7 +1451,7 @@ int read_index_from(struct index_state *istate, const char *path)
        istate->version = ntohl(hdr->hdr_version);
        istate->cache_nr = ntohl(hdr->hdr_entries);
        istate->cache_alloc = alloc_nr(istate->cache_nr);
-       istate->cache = xcalloc(istate->cache_alloc, sizeof(struct cache_entry *));
+       istate->cache = xcalloc(istate->cache_alloc, sizeof(*istate->cache));
        istate->initialized = 1;
 
        if (istate->version == 4)
@@ -1520,8 +1520,9 @@ int discard_index(struct index_state *istate)
        free_name_hash(istate);
        cache_tree_free(&(istate->cache_tree));
        istate->initialized = 0;
-
-       /* no need to throw away allocated active_cache */
+       free(istate->cache);
+       istate->cache = NULL;
+       istate->cache_alloc = 0;
        return 0;
 }