Don't crash fast-import if the marks cannot be exported.

diff --git a/git.c b/git.c
index 7bb61d8375e5f4c3fe3f5b7dfa85d7f1f3fff997..fb03a547de16af8d9201dc41e9a6f2e37680688b 100644 (file)
--- a/git.c
+++ b/git.c
@@ -63,14 +63,14 @@ static int handle_options(const char*** argv, int* argc)
                                fprintf(stderr, "No directory given for --git-dir.\n" );
                                usage(git_usage_string);
                        }
-                       setenv("GIT_DIR", (*argv)[1], 1);
+                       setenv(GIT_DIR_ENVIRONMENT, (*argv)[1], 1);
                        (*argv)++;
                        (*argc)--;
                } else if (!strncmp(cmd, "--git-dir=", 10)) {
-                       setenv("GIT_DIR", cmd + 10, 1);
+                       setenv(GIT_DIR_ENVIRONMENT, cmd + 10, 1);
                } else if (!strcmp(cmd, "--bare")) {
-                       static char git_dir[1024];
-                       setenv("GIT_DIR", getcwd(git_dir, 1024), 1);
+                       static char git_dir[PATH_MAX+1];
+                       setenv(GIT_DIR_ENVIRONMENT, getcwd(git_dir, sizeof(git_dir)), 1);
                } else {
                        fprintf(stderr, "Unknown option: %s\n", cmd);
                        usage(git_usage_string);
@@ -199,6 +199,11 @@ const char git_version_string[] = GIT_VERSION;
 
 #define RUN_SETUP      (1<<0)
 #define USE_PAGER      (1<<1)
+/*
+ * require working tree to be present -- anything uses this needs
+ * RUN_SETUP for reading from the configuration file.
+ */
+#define NOT_BARE       (1<<2)
 
 static void handle_internal_command(int argc, const char **argv, char **envp)
 {
@@ -208,18 +213,20 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                int (*fn)(int, const char **, const char *);
                int option;
        } commands[] = {
-               { "add", cmd_add, RUN_SETUP },
-               { "annotate", cmd_annotate, },
+               { "add", cmd_add, RUN_SETUP | NOT_BARE },
+               { "annotate", cmd_annotate, USE_PAGER },
                { "apply", cmd_apply },
                { "archive", cmd_archive },
-               { "blame", cmd_blame, RUN_SETUP | USE_PAGER },
+               { "blame", cmd_blame, RUN_SETUP },
                { "branch", cmd_branch, RUN_SETUP },
                { "cat-file", cmd_cat_file, RUN_SETUP },
                { "checkout-index", cmd_checkout_index, RUN_SETUP },
                { "check-ref-format", cmd_check_ref_format },
                { "cherry", cmd_cherry, RUN_SETUP },
                { "commit-tree", cmd_commit_tree, RUN_SETUP },
+               { "config", cmd_config },
                { "count-objects", cmd_count_objects, RUN_SETUP },
+               { "describe", cmd_describe, RUN_SETUP },
                { "diff", cmd_diff, RUN_SETUP | USE_PAGER },
                { "diff-files", cmd_diff_files, RUN_SETUP },
                { "diff-index", cmd_diff_index, RUN_SETUP },
@@ -228,9 +235,12 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                { "fmt-merge-msg", cmd_fmt_merge_msg, RUN_SETUP },
                { "for-each-ref", cmd_for_each_ref, RUN_SETUP },
                { "format-patch", cmd_format_patch, RUN_SETUP },
+               { "fsck", cmd_fsck, RUN_SETUP },
+               { "fsck-objects", cmd_fsck, RUN_SETUP },
                { "get-tar-commit-id", cmd_get_tar_commit_id },
                { "grep", cmd_grep, RUN_SETUP },
                { "help", cmd_help },
+               { "init", cmd_init_db },
                { "init-db", cmd_init_db },
                { "log", cmd_log, RUN_SETUP | USE_PAGER },
                { "ls-files", cmd_ls_files, RUN_SETUP },
@@ -238,7 +248,7 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                { "mailinfo", cmd_mailinfo },
                { "mailsplit", cmd_mailsplit },
                { "merge-file", cmd_merge_file },
-               { "mv", cmd_mv, RUN_SETUP },
+               { "mv", cmd_mv, RUN_SETUP | NOT_BARE },
                { "name-rev", cmd_name_rev, RUN_SETUP },
                { "pack-objects", cmd_pack_objects, RUN_SETUP },
                { "pickaxe", cmd_blame, RUN_SETUP | USE_PAGER },
@@ -246,11 +256,13 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                { "prune-packed", cmd_prune_packed, RUN_SETUP },
                { "push", cmd_push, RUN_SETUP },
                { "read-tree", cmd_read_tree, RUN_SETUP },
-               { "repo-config", cmd_repo_config },
+               { "reflog", cmd_reflog, RUN_SETUP },
+               { "repo-config", cmd_config },
+               { "rerere", cmd_rerere, RUN_SETUP },
                { "rev-list", cmd_rev_list, RUN_SETUP },
                { "rev-parse", cmd_rev_parse, RUN_SETUP },
-               { "rm", cmd_rm, RUN_SETUP },
-               { "runstatus", cmd_runstatus, RUN_SETUP },
+               { "rm", cmd_rm, RUN_SETUP | NOT_BARE },
+               { "runstatus", cmd_runstatus, RUN_SETUP | NOT_BARE },
                { "shortlog", cmd_shortlog, RUN_SETUP | USE_PAGER },
                { "show-branch", cmd_show_branch, RUN_SETUP },
                { "show", cmd_show, RUN_SETUP | USE_PAGER },
@@ -287,6 +299,8 @@ static void handle_internal_command(int argc, const char **argv, char **envp)
                        prefix = setup_git_directory();
                if (p->option & USE_PAGER)
                        setup_pager();
+               if ((p->option & NOT_BARE) && is_bare_repository())
+                       die("%s cannot be used in a bare git directory", cmd);
                trace_argv_printf(argv, argc, "trace: built-in: git");
 
                exit(p->fn(argc, argv, prefix));