pull --rebase: exit early when the working directory is dirty

diff --git a/archive-tar.c b/archive-tar.c
index e1bced56093dc08bbc260736637af3356b8598bb..4add80284e4570d1da44861e9025fa75eeb775d6 100644 (file)
--- a/archive-tar.c
+++ b/archive-tar.c
@@ -17,6 +17,7 @@ static time_t archive_time;
 static int tar_umask = 002;
 static int verbose;
 static const struct commit *commit;
+static size_t base_len;
 
 /* writes out the whole block, but only if it is full */
 static void write_if_needed(void)
@@ -222,7 +223,7 @@ static void write_global_extended_header(const unsigned char *sha1)
 static int git_tar_config(const char *var, const char *value)
 {
        if (!strcmp(var, "tar.umask")) {
-               if (!strcmp(value, "user")) {
+               if (value && !strcmp(value, "user")) {
                        tar_umask = umask(0);
                        umask(tar_umask);
                } else {
@@ -251,8 +252,8 @@ static int write_tar_entry(const unsigned char *sha1,
                buffer = NULL;
                size = 0;
        } else {
-               buffer = sha1_file_to_archive(path.buf, sha1, mode, &type,
-                                             &size, commit);
+               buffer = sha1_file_to_archive(path.buf + base_len, sha1, mode,
+                               &type, &size, commit);
                if (!buffer)
                        die("cannot read %s", sha1_to_hex(sha1));
        }
@@ -272,6 +273,7 @@ int write_tar_archive(struct archiver_args *args)
        archive_time = args->time;
        verbose = args->verbose;
        commit = args->commit;
+       base_len = args->base ? strlen(args->base) : 0;
 
        if (args->commit_sha1)
                write_global_extended_header(args->commit_sha1);