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-rw-r--r--builtin/get-tar-commit-id.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/builtin/get-tar-commit-id.c b/builtin/get-tar-commit-id.c
index 6d9a79f9b3..2706fcfaf2 100644
--- a/builtin/get-tar-commit-id.c
+++ b/builtin/get-tar-commit-id.c
@@ -26,8 +26,10 @@ int cmd_get_tar_commit_id(int argc, const char **argv, const char *prefix)
usage(builtin_get_tar_commit_id_usage);
n = read_in_full(0, buffer, HEADERSIZE);
- if (n < HEADERSIZE)
- die("git get-tar-commit-id: read error");
+ if (n < 0)
+ die_errno("git get-tar-commit-id: read error");
+ if (n != HEADERSIZE)
+ die_errno("git get-tar-commit-id: EOF before reading tar header");
if (header->typeflag[0] != 'g')
return 1;
if (!skip_prefix(content, "52 comment=", &comment))