rev-list: check reflog_info before showing usage

diff --git a/read-cache.c b/read-cache.c
index f12da0dbb8b95fe234b07fcd536d794a1c6b5390..2121b6e7bba5f310825e0b1f2eccd524cc8658ce 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -5,6 +5,7 @@
  */
 #define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "config.h"
 #include "tempfile.h"
 #include "lockfile.h"
 #include "cache-tree.h"
@@ -1894,8 +1895,7 @@ int discard_index(struct index_state *istate)
        free_name_hash(istate);
        cache_tree_free(&(istate->cache_tree));
        istate->initialized = 0;
-       free(istate->cache);
-       istate->cache = NULL;
+       FREE_AND_NULL(istate->cache);
        istate->cache_alloc = 0;
        discard_split_index(istate);
        free_untracked_cache(istate->untracked);
@@ -2198,6 +2198,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
        int entries = istate->cache_nr;
        struct stat st;
        struct strbuf previous_name_buf = STRBUF_INIT, *previous_name;
+       int drop_cache_tree = 0;
 
        for (i = removed = extended = 0; i < entries; i++) {
                if (cache[i]->ce_flags & CE_REMOVE)
@@ -2248,6 +2249,8 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
                                warning(msg, ce->name);
                        else
                                return error(msg, ce->name);
+
+                       drop_cache_tree = 1;
                }
                if (ce_write_entry(&c, newfd, ce, previous_name) < 0)
                        return -1;
@@ -2266,7 +2269,7 @@ static int do_write_index(struct index_state *istate, struct tempfile *tempfile,
                if (err)
                        return -1;
        }
-       if (!strip_extensions && istate->cache_tree) {
+       if (!strip_extensions && !drop_cache_tree && istate->cache_tree) {
                struct strbuf sb = STRBUF_INIT;
 
                cache_tree_write(&sb, istate->cache_tree);
@@ -2428,6 +2431,14 @@ static int write_shared_index(struct index_state *istate,
                delete_tempfile(&temporary_sharedindex);
                return ret;
        }
+       ret = adjust_shared_perm(get_tempfile_path(&temporary_sharedindex));
+       if (ret) {
+               int save_errno = errno;
+               error("cannot fix permission bits on %s", get_tempfile_path(&temporary_sharedindex));
+               delete_tempfile(&temporary_sharedindex);
+               errno = save_errno;
+               return ret;
+       }
        ret = rename_tempfile(&temporary_sharedindex,
                              git_path("sharedindex.%s", sha1_to_hex(si->base->sha1)));
        if (!ret) {
@@ -2606,8 +2617,7 @@ void *read_blob_data_from_index(const struct index_state *istate,
 
 void stat_validity_clear(struct stat_validity *sv)
 {
-       free(sv->sd);
-       sv->sd = NULL;
+       FREE_AND_NULL(sv->sd);
 }
 
 int stat_validity_check(struct stat_validity *sv, const char *path)
@@ -2633,3 +2643,9 @@ void stat_validity_update(struct stat_validity *sv, int fd)
                fill_stat_data(sv->sd, &st);
        }
 }
+
+void move_index_extensions(struct index_state *dst, struct index_state *src)
+{
+       dst->untracked = src->untracked;
+       src->untracked = NULL;
+}