grep: do not skip unmerged entries when grepping in the working tree.

We used to skip unmerged entries, which made sense for grepping
in the cached copies, but not for grepping in the working tree.

Noticed by Johannes Sixt.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/builtin-grep.c b/builtin-grep.c
index ad7dc00cde4e8e08ef35b313525781c135357df3..9873e3d1dbf0e8735641cc178d687a9d5194487e 100644 (file)
--- a/builtin-grep.c
+++ b/builtin-grep.c
@@ -268,7 +268,7 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached)
        for (i = 0; i < active_nr; i++) {
                struct cache_entry *ce = active_cache[i];
                char *name;
-               if (ce_stage(ce) || !S_ISREG(ntohl(ce->ce_mode)))
+               if (!S_ISREG(ntohl(ce->ce_mode)))
                        continue;
                if (!pathspec_matches(paths, ce->name))
                        continue;
@@ -280,12 +280,19 @@ static int external_grep(struct grep_opt *opt, const char **paths, int cached)
                        memcpy(name + 2, ce->name, len + 1);
                }
                argv[argc++] = name;
-               if (argc < MAXARGS)
+               if (argc < MAXARGS && !ce_stage(ce))
                        continue;
                status = exec_grep(argc, argv);
                if (0 < status)
                        hit = 1;
                argc = nr;
+               if (ce_stage(ce)) {
+                       do {
+                               i++;
+                       } while (i < active_nr &&
+                                !strcmp(ce->name, active_cache[i]->name));
+                       i--; /* compensate for loop control */
+               }
        }
        if (argc > nr) {
                status = exec_grep(argc, argv);
@@ -316,14 +323,24 @@ static int grep_cache(struct grep_opt *opt, const char **paths, int cached)
 
        for (nr = 0; nr < active_nr; nr++) {
                struct cache_entry *ce = active_cache[nr];
-               if (ce_stage(ce) || !S_ISREG(ntohl(ce->ce_mode)))
+               if (!S_ISREG(ntohl(ce->ce_mode)))
                        continue;
                if (!pathspec_matches(paths, ce->name))
                        continue;
-               if (cached)
+               if (cached) {
+                       if (ce_stage(ce))
+                               continue;
                        hit |= grep_sha1(opt, ce->sha1, ce->name, 0);
+               }
                else
                        hit |= grep_file(opt, ce->name);
+               if (ce_stage(ce)) {
+                       do {
+                               nr++;
+                       } while (nr < active_nr &&
+                                !strcmp(ce->name, active_cache[nr]->name));
+                       nr--; /* compensate for loop control */
+               }
        }
        free_grep_patterns(opt);
        return hit;