show-branch: Be nicer when running in a corrupt repository.

diff --git a/show-branch.c b/show-branch.c
index 262acf5cefc8053a012b2251bfbfb86177f80a90..8cc0755e0af511fd2151daeaceb7bcd5a7ec28b3 100644 (file)
--- a/show-branch.c
+++ b/show-branch.c
@@ -196,8 +196,11 @@ static void show_one_commit(struct commit *commit)
 {
        char pretty[128], *cp;
        struct commit_name *name = commit->object.util;
-       pretty_print_commit(CMIT_FMT_ONELINE, commit->buffer, ~0,
-                           pretty, sizeof(pretty));
+       if (commit->object.parsed)
+               pretty_print_commit(CMIT_FMT_ONELINE, commit->buffer, ~0,
+                                   pretty, sizeof(pretty));
+       else
+               strcpy(pretty, "(unavailable)");
        if (!strncmp(pretty, "[PATCH] ", 8))
                cp = pretty + 8;
        else