git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/builtin-send-pack.c b/builtin-send-pack.c
index 25ae1fe860601e672575b545bbd2fdfa6ad7966c..930e0fb3fdfee2293d0fca650d7139f09f2d381e 100644 (file)
--- a/builtin-send-pack.c
+++ b/builtin-send-pack.c
@@ -71,6 +71,7 @@ static int pack_objects(int fd, struct ref *refs)
                refs = refs->next;
        }
 
+       close(po.in);
        if (finish_command(&po))
                return error("pack-objects died with strange error");
        return 0;
@@ -263,9 +264,7 @@ static void print_ref_status(char flag, const char *summary, struct ref *to, str
 
 static const char *status_abbrev(unsigned char sha1[20])
 {
-       const char *abbrev;
-       abbrev = find_unique_abbrev(sha1, DEFAULT_ABBREV);
-       return abbrev ? abbrev : sha1_to_hex(sha1);
+       return find_unique_abbrev(sha1, DEFAULT_ABBREV);
 }
 
 static void print_ok_ref_status(struct ref *ref)
@@ -403,12 +402,15 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
        if (!remote_tail)
                remote_tail = &remote_refs;
        if (match_refs(local_refs, remote_refs, &remote_tail,
-                                              nr_refspec, refspec, flags))
+                      nr_refspec, refspec, flags)) {
+               close(out);
                return -1;
+       }
 
        if (!remote_refs) {
                fprintf(stderr, "No refs in common and none specified; doing nothing.\n"
                        "Perhaps you should specify a branch such as 'master'.\n");
+               close(out);
                return 0;
        }
 
@@ -495,12 +497,11 @@ static int do_send_pack(int in, int out, struct remote *remote, const char *dest
 
        packet_flush(out);
        if (new_refs && !args.dry_run) {
-               if (pack_objects(out, remote_refs) < 0) {
-                       close(out);
+               if (pack_objects(out, remote_refs) < 0)
                        return -1;
-               }
        }
-       close(out);
+       else
+               close(out);
 
        if (expect_status_report)
                ret = receive_status(in, remote_refs);
@@ -541,10 +542,12 @@ static void verify_remote_names(int nr_heads, const char **heads)
                remote = remote ? (remote + 1) : heads[i];
                switch (check_ref_format(remote)) {
                case 0: /* ok */
-               case -2: /* ok but a single level -- that is fine for
-                         * a match pattern.
-                         */
-               case -3: /* ok but ends with a pattern-match character */
+               case CHECK_REF_FORMAT_ONELEVEL:
+                       /* ok but a single level -- that is fine for
+                        * a match pattern.
+                        */
+               case CHECK_REF_FORMAT_WILDCARD:
+                       /* ok but ends with a pattern-match character */
                        continue;
                }
                die("remote part of refspec is not a valid name in %s",
@@ -646,7 +649,7 @@ int send_pack(struct send_pack_args *my_args,
        conn = git_connect(fd, dest, args.receivepack, args.verbose ? CONNECT_VERBOSE : 0);
        ret = do_send_pack(fd[0], fd[1], remote, dest, nr_heads, heads);
        close(fd[0]);
-       close(fd[1]);
+       /* do_send_pack always closes fd[1] */
        ret |= finish_connect(conn);
        return !!ret;
 }