rebase: Support preserving merges in non-interactive mode

diff --git a/builtin-update-index.c b/builtin-update-index.c
index 38eb53ccba2b97a0fccf50d6ba0b7424fe2d1bcb..417f9724abdce3c49df316505eff1019126a5058 100644 (file)
--- a/builtin-update-index.c
+++ b/builtin-update-index.c
@@ -14,7 +14,7 @@
  * Default to not allowing changes to the list of files. The
  * tool doesn't actually care, but this makes it harder to add
  * files to the revision control by mistake by doing something
- * like "git-update-index *" and suddenly having all the object
+ * like "git update-index *" and suddenly having all the object
  * files be revision controlled.
  */
 static int allow_add;
@@ -194,6 +194,10 @@ static int process_path(const char *path)
        int len;
        struct stat st;
 
+       len = strlen(path);
+       if (has_symlink_leading_path(len, path))
+               return error("'%s' is beyond a symbolic link", path);
+
        /*
         * First things first: get the stat information, to decide
         * what to do about the pathname!
@@ -201,7 +205,6 @@ static int process_path(const char *path)
        if (lstat(path, &st) < 0)
                return process_lstat_error(path, errno);
 
-       len = strlen(path);
        if (S_ISDIR(st.st_mode))
                return process_directory(path, len, &st);
 
@@ -262,7 +265,7 @@ static void chmod_path(int flip, const char *path)
        report("chmod %cx '%s'", flip, path);
        return;
  fail:
-       die("git-update-index: cannot chmod %cx '%s'", flip, path);
+       die("git update-index: cannot chmod %cx '%s'", flip, path);
 }
 
 static void update_one(const char *path, const char *prefix, int prefix_length)
@@ -280,7 +283,7 @@ static void update_one(const char *path, const char *prefix, int prefix_length)
 
        if (force_remove) {
                if (remove_file_from_cache(p))
-                       die("git-update-index: unable to remove %s", path);
+                       die("git update-index: unable to remove %s", path);
                report("remove '%s'", path);
                goto free_return;
        }
@@ -310,18 +313,18 @@ static void read_index_info(int line_termination)
                /* This reads lines formatted in one of three formats:
                 *
                 * (1) mode         SP sha1          TAB path
-                * The first format is what "git-apply --index-info"
+                * The first format is what "git apply --index-info"
                 * reports, and used to reconstruct a partial tree
                 * that is used for phony merge base tree when falling
                 * back on 3-way merge.
                 *
                 * (2) mode SP type SP sha1          TAB path
-                * The second format is to stuff git-ls-tree output
+                * The second format is to stuff "git ls-tree" output
                 * into the index file.
                 *
                 * (3) mode         SP sha1 SP stage TAB path
                 * This format is to put higher order stages into the
-                * index file and matches git-ls-files --stage output.
+                * index file and matches "git ls-files --stage" output.
                 */
                errno = 0;
                ul = strtoul(buf.buf, &ptr, 8);
@@ -351,7 +354,7 @@ static void read_index_info(int line_termination)
                if (line_termination && path_name[0] == '"') {
                        strbuf_reset(&uq);
                        if (unquote_c_style(&uq, path_name, NULL)) {
-                               die("git-update-index: bad quoting of path name");
+                               die("git update-index: bad quoting of path name");
                        }
                        path_name = uq.buf;
                }
@@ -364,7 +367,7 @@ static void read_index_info(int line_termination)
                if (!mode) {
                        /* mode == 0 means there is no such path -- remove */
                        if (remove_file_from_cache(path_name))
-                               die("git-update-index: unable to remove %s",
+                               die("git update-index: unable to remove %s",
                                    ptr);
                }
                else {
@@ -374,7 +377,7 @@ static void read_index_info(int line_termination)
                         */
                        ptr[-42] = ptr[-1] = 0;
                        if (add_cacheinfo(mode, sha1, path_name, stage))
-                               die("git-update-index: unable to update %s",
+                               die("git update-index: unable to update %s",
                                    path_name);
                }
                continue;
@@ -614,10 +617,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                continue;
                        }
                        if (!strcmp(path, "--refresh")) {
+                               setup_work_tree();
                                has_errors |= refresh_cache(refresh_flags);
                                continue;
                        }
                        if (!strcmp(path, "--really-refresh")) {
+                               setup_work_tree();
                                has_errors |= refresh_cache(REFRESH_REALLY | refresh_flags);
                                continue;
                        }
@@ -626,12 +631,12 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                unsigned int mode;
 
                                if (i+3 >= argc)
-                                       die("git-update-index: --cacheinfo <mode> <sha1> <path>");
+                                       die("git update-index: --cacheinfo <mode> <sha1> <path>");
 
                                if (strtoul_ui(argv[i+1], 8, &mode) ||
                                    get_sha1_hex(argv[i+2], sha1) ||
                                    add_cacheinfo(mode, sha1, argv[i+3], 0))
-                                       die("git-update-index: --cacheinfo"
+                                       die("git update-index: --cacheinfo"
                                            " cannot add %s", argv[i+3]);
                                i += 3;
                                continue;
@@ -639,7 +644,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                        if (!strcmp(path, "--chmod=-x") ||
                            !strcmp(path, "--chmod=+x")) {
                                if (argc <= i+1)
-                                       die("git-update-index: %s <path>", path);
+                                       die("git update-index: %s <path>", path);
                                set_executable_bit = path[8];
                                continue;
                        }
@@ -684,6 +689,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                goto finish;
                        }
                        if (!strcmp(path, "--again") || !strcmp(path, "-g")) {
+                               setup_work_tree();
                                has_errors = do_reupdate(argc - i, argv + i,
                                                         prefix, prefix_length);
                                if (has_errors)
@@ -702,6 +708,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                                usage(update_index_usage);
                        die("unknown option %s", path);
                }
+               setup_work_tree();
                p = prefix_path(prefix, prefix_length, path);
                update_one(p, NULL, 0);
                if (set_executable_bit)
@@ -714,6 +721,7 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
 
                strbuf_init(&buf, 0);
                strbuf_init(&nbuf, 0);
+               setup_work_tree();
                while (strbuf_getline(&buf, stdin, line_termination) != EOF) {
                        const char *p;
                        if (line_termination && buf.buf[0] == '"') {