grep: fix word-regexp at the beginning of lines
[gitweb.git] / builtin-apply.c
index f312798af38553e0badeda9732736a62460eae05..7b404ef6601e5b7820e9b1b6812225639e3ea4b1 100644 (file)
@@ -2271,6 +2271,25 @@ static struct patch *in_fn_table(const char *name)
        return NULL;
 }
 
+/*
+ * item->util in the filename table records the status of the path.
+ * Usually it points at a patch (whose result records the contents
+ * of it after applying it), but it could be PATH_WAS_DELETED for a
+ * path that a previously applied patch has already removed.
+ */
+ #define PATH_TO_BE_DELETED ((struct patch *) -2)
+#define PATH_WAS_DELETED ((struct patch *) -1)
+
+static int to_be_deleted(struct patch *patch)
+{
+       return patch == PATH_TO_BE_DELETED;
+}
+
+static int was_deleted(struct patch *patch)
+{
+       return patch == PATH_WAS_DELETED;
+}
+
 static void add_to_fn_table(struct patch *patch)
 {
        struct string_list_item *item;
@@ -2291,7 +2310,22 @@ static void add_to_fn_table(struct patch *patch)
         */
        if ((patch->new_name == NULL) || (patch->is_rename)) {
                item = string_list_insert(patch->old_name, &fn_table);
-               item->util = (struct patch *) -1;
+               item->util = PATH_WAS_DELETED;
+       }
+}
+
+static void prepare_fn_table(struct patch *patch)
+{
+       /*
+        * store information about incoming file deletion
+        */
+       while (patch) {
+               if ((patch->new_name == NULL) || (patch->is_rename)) {
+                       struct string_list_item *item;
+                       item = string_list_insert(patch->old_name, &fn_table);
+                       item->util = PATH_TO_BE_DELETED;
+               }
+               patch = patch->next;
        }
 }
 
@@ -2304,8 +2338,8 @@ static int apply_data(struct patch *patch, struct stat *st, struct cache_entry *
        struct patch *tpatch;
 
        if (!(patch->is_copy || patch->is_rename) &&
-           ((tpatch = in_fn_table(patch->old_name)) != NULL)) {
-               if (tpatch == (struct patch *) -1) {
+           (tpatch = in_fn_table(patch->old_name)) != NULL && !to_be_deleted(tpatch)) {
+               if (was_deleted(tpatch)) {
                        return error("patch %s has been renamed/deleted",
                                patch->old_name);
                }
@@ -2360,7 +2394,7 @@ static int check_to_create_blob(const char *new_name, int ok_if_exists)
                 * In such a case, path "new_name" does not exist as
                 * far as git is concerned.
                 */
-               if (has_symlink_leading_path(strlen(new_name), new_name))
+               if (has_symlink_leading_path(new_name, strlen(new_name)))
                        return 0;
 
                return error("%s: already exists in working directory", new_name);
@@ -2399,10 +2433,9 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
        assert(patch->is_new <= 0);
 
        if (!(patch->is_copy || patch->is_rename) &&
-           (tpatch = in_fn_table(old_name)) != NULL) {
-               if (tpatch == (struct patch *) -1) {
+           (tpatch = in_fn_table(old_name)) != NULL && !to_be_deleted(tpatch)) {
+               if (was_deleted(tpatch))
                        return error("%s: has been deleted/renamed", old_name);
-               }
                st_mode = tpatch->new_mode;
        } else if (!cached) {
                stat_ret = lstat(old_name, st);
@@ -2410,6 +2443,9 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
                        return error("%s: %s", old_name, strerror(errno));
        }
 
+       if (to_be_deleted(tpatch))
+               tpatch = NULL;
+
        if (check_index && !tpatch) {
                int pos = cache_name_pos(old_name, strlen(old_name));
                if (pos < 0) {
@@ -2451,7 +2487,7 @@ static int check_preimage(struct patch *patch, struct cache_entry **ce, struct s
        if ((st_mode ^ patch->old_mode) & S_IFMT)
                return error("%s: wrong type", old_name);
        if (st_mode != patch->old_mode)
-               fprintf(stderr, "warning: %s has type %o, expected %o\n",
+               warning("%s has type %o, expected %o",
                        old_name, st_mode, patch->old_mode);
        if (!patch->new_mode && !patch->is_delete)
                patch->new_mode = st_mode;
@@ -2471,6 +2507,7 @@ static int check_patch(struct patch *patch)
        const char *new_name = patch->new_name;
        const char *name = old_name ? old_name : new_name;
        struct cache_entry *ce = NULL;
+       struct patch *tpatch;
        int ok_if_exists;
        int status;
 
@@ -2481,7 +2518,8 @@ static int check_patch(struct patch *patch)
                return status;
        old_name = patch->old_name;
 
-       if (in_fn_table(new_name) == (struct patch *) -1)
+       if ((tpatch = in_fn_table(new_name)) &&
+                       (was_deleted(tpatch) || to_be_deleted(tpatch)))
                /*
                 * A type-change diff is always split into a patch to
                 * delete old, immediately followed by a patch to
@@ -2533,6 +2571,7 @@ static int check_patch_list(struct patch *patch)
 {
        int err = 0;
 
+       prepare_fn_table(patch);
        while (patch) {
                if (apply_verbosely)
                        say_patch_name(stderr,
@@ -2932,8 +2971,7 @@ static int write_out_one_reject(struct patch *patch)
        cnt = strlen(patch->new_name);
        if (ARRAY_SIZE(namebuf) <= cnt + 5) {
                cnt = ARRAY_SIZE(namebuf) - 5;
-               fprintf(stderr,
-                       "warning: truncating .rej filename to %.*s.rej",
+               warning("truncating .rej filename to %.*s.rej",
                        cnt - 1, patch->new_name);
        }
        memcpy(namebuf, patch->new_name, cnt);
@@ -3212,7 +3250,7 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
 
        struct option builtin_apply_options[] = {
                { OPTION_CALLBACK, 0, "exclude", NULL, "path",
-                       "donยดt apply changes matching the given path",
+                       "don't apply changes matching the given path",
                        0, option_parse_exclude },
                { OPTION_CALLBACK, 0, "include", NULL, "path",
                        "apply changes matching the given path",
@@ -3224,10 +3262,10 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                        "ignore additions made by the patch"),
                OPT_BOOLEAN(0, "stat", &diffstat,
                        "instead of applying the patch, output diffstat for the input"),
-               OPT_BOOLEAN(0, "allow-binary-replacement", &binary,
-                       "now no-op"),
-               OPT_BOOLEAN(0, "binary", &binary,
-                       "now no-op"),
+               { OPTION_BOOLEAN, 0, "allow-binary-replacement", &binary,
+                 NULL, "old option, now no-op", PARSE_OPT_HIDDEN },
+               { OPTION_BOOLEAN, 0, "binary", &binary,
+                 NULL, "old option, now no-op", PARSE_OPT_HIDDEN },
                OPT_BOOLEAN(0, "numstat", &numstat,
                        "shows number of added and deleted lines in decimal notation"),
                OPT_BOOLEAN(0, "summary", &summary,
@@ -3315,8 +3353,8 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                    squelch_whitespace_errors < whitespace_error) {
                        int squelched =
                                whitespace_error - squelch_whitespace_errors;
-                       fprintf(stderr, "warning: squelched %d "
-                               "whitespace error%s\n",
+                       warning("squelched %d "
+                               "whitespace error%s",
                                squelched,
                                squelched == 1 ? "" : "s");
                }
@@ -3326,12 +3364,12 @@ int cmd_apply(int argc, const char **argv, const char *unused_prefix)
                            whitespace_error == 1 ? "" : "s",
                            whitespace_error == 1 ? "s" : "");
                if (applied_after_fixing_ws && apply)
-                       fprintf(stderr, "warning: %d line%s applied after"
-                               " fixing whitespace errors.\n",
+                       warning("%d line%s applied after"
+                               " fixing whitespace errors.",
                                applied_after_fixing_ws,
                                applied_after_fixing_ws == 1 ? "" : "s");
                else if (whitespace_error)
-                       fprintf(stderr, "warning: %d line%s add%s whitespace errors.\n",
+                       warning("%d line%s add%s whitespace errors.",
                                whitespace_error,
                                whitespace_error == 1 ? "" : "s",
                                whitespace_error == 1 ? "s" : "");