set_git_dir: die when setenv() fails

diff --git a/read-cache.c b/read-cache.c
index a5dc7c7e6718972b158aebfd36b4625f54887341..59a73f4a81d76a19b8a2280e9643f7c1e715a5d4 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -2110,13 +2110,15 @@ static int ce_write_entry(git_hash_ctx *c, int fd, struct cache_entry *ce,
                          struct strbuf *previous_name, struct ondisk_cache_entry *ondisk)
 {
        int size;
-       int saved_namelen = saved_namelen; /* compiler workaround */
        int result;
+       unsigned int saved_namelen;
+       int stripped_name = 0;
        static unsigned char padding[8] = { 0x00 };
 
        if (ce->ce_flags & CE_STRIP_NAME) {
                saved_namelen = ce_namelen(ce);
                ce->ce_namelen = 0;
+               stripped_name = 1;
        }
 
        if (ce->ce_flags & CE_EXTENDED)
@@ -2156,7 +2158,7 @@ static int ce_write_entry(git_hash_ctx *c, int fd, struct cache_entry *ce,
                strbuf_splice(previous_name, common, to_remove,
                              ce->name + common, ce_namelen(ce) - common);
        }
-       if (ce->ce_flags & CE_STRIP_NAME) {
+       if (stripped_name) {
                ce->ce_namelen = saved_namelen;
                ce->ce_flags &= ~CE_STRIP_NAME;
        }