Documentation: Describe other situations where -z affects git diff

diff --git a/connect.c b/connect.c
index db965c9982f1f2ae7e08331d3fa1d40e194a6520..beaff987c7bc36096d09b2557f5208c5606ce2dd 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -502,12 +502,18 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                c = ':';
        }
 
+       /*
+        * Don't do destructive transforms with git:// as that
+        * protocol code does '[]' unwrapping of its own.
+        */
        if (host[0] == '[') {
                end = strchr(host + 1, ']');
                if (end) {
-                       *end = 0;
+                       if (protocol != PROTO_GIT) {
+                               *end = 0;
+                               host++;
+                       }
                        end++;
-                       host++;
                } else
                        end = host;
        } else
@@ -601,20 +607,9 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                *arg++ = host;
        }
        else {
-               /* remove these from the environment */
-               const char *env[] = {
-                       ALTERNATE_DB_ENVIRONMENT,
-                       DB_ENVIRONMENT,
-                       GIT_DIR_ENVIRONMENT,
-                       GIT_WORK_TREE_ENVIRONMENT,
-                       GRAFT_ENVIRONMENT,
-                       INDEX_ENVIRONMENT,
-                       NO_REPLACE_OBJECTS_ENVIRONMENT,
-                       NULL
-               };
-               conn->env = env;
-               *arg++ = "sh";
-               *arg++ = "-c";
+               /* remove repo-local variables from the environment */
+               conn->env = local_repo_env;
+               conn->use_shell = 1;
        }
        *arg++ = cmd.buf;
        *arg = NULL;