git-svn: don't allow commit if svn tree is not current

diff --git a/builtin-read-tree.c b/builtin-read-tree.c
index 10afd469683184219d62ec15b9a62430d44b73db..bb50fbd274e2d7e73fc3c6f86a73bd22f636400e 100644 (file)
--- a/builtin-read-tree.c
+++ b/builtin-read-tree.c
@@ -376,6 +376,7 @@ static void check_updates(struct cache_entry **src, int nr)
                                        fprintf(stderr, "%4u%% (%u/%u) done\r",
                                                percent, cnt, total);
                                        last_percent = percent;
+                                       progress_update = 0;
                                }
                        }
                }
@@ -791,25 +792,26 @@ static int oneway_merge(struct cache_entry **src)
 
 static int read_cache_unmerged(void)
 {
-       int i, deleted;
+       int i;
        struct cache_entry **dst;
+       struct cache_entry *last = NULL;
 
        read_cache();
        dst = active_cache;
-       deleted = 0;
        for (i = 0; i < active_nr; i++) {
                struct cache_entry *ce = active_cache[i];
                if (ce_stage(ce)) {
-                       deleted++;
+                       if (last && !strcmp(ce->name, last->name))
+                               continue;
                        invalidate_ce_path(ce);
-                       continue;
+                       last = ce;
+                       ce->ce_mode = 0;
+                       ce->ce_flags &= ~htons(CE_STAGEMASK);
                }
-               if (deleted)
-                       *dst = ce;
-               dst++;
+               *dst++ = ce;
        }
-       active_nr -= deleted;
-       return deleted;
+       active_nr = dst - active_cache;
+       return !!last;
 }
 
 static void prime_cache_tree_rec(struct cache_tree *it, struct tree *tree)
@@ -851,7 +853,7 @@ static void prime_cache_tree(void)
 
 static const char read_tree_usage[] = "git-read-tree (<sha> | -m [--aggressive] [-u | -i] <sha1> [<sha2> [<sha3>]])";
 
-static struct cache_file cache_file;
+static struct lock_file lock_file;
 
 int cmd_read_tree(int argc, const char **argv, char **envp)
 {
@@ -862,9 +864,9 @@ int cmd_read_tree(int argc, const char **argv, char **envp)
        setup_git_directory();
        git_config(git_default_config);
 
-       newfd = hold_index_file_for_update(&cache_file, get_index_file());
+       newfd = hold_lock_file_for_update(&lock_file, get_index_file());
        if (newfd < 0)
-               die("unable to create new cachefile");
+               die("unable to create new index file");
 
        git_config(git_default_config);
 
@@ -894,7 +896,10 @@ int cmd_read_tree(int argc, const char **argv, char **envp)
                        continue;
                }
 
-               /* This differs from "-m" in that we'll silently ignore unmerged entries */
+               /* This differs from "-m" in that we'll silently ignore
+                * unmerged entries and overwrite working tree files that
+                * correspond to them.
+                */
                if (!strcmp(arg, "--reset")) {
                        if (stage || merge)
                                usage(read_tree_usage);
@@ -976,7 +981,7 @@ int cmd_read_tree(int argc, const char **argv, char **envp)
        }
 
        if (write_cache(newfd, active_cache, active_nr) ||
-           commit_index_file(&cache_file))
+           commit_lock_file(&lock_file))
                die("unable to write new index file");
        return 0;
 }