[pull] master from git:master

Documentation/RelNotes/2.54.0.adoc

@@ -119,6 +119,8 @@ UI, Workflows & Features
  * "git replay" (experimental) learns, in addition to "pick" and
    "replay", a new operating mode "revert".
 
+ * git replay now supports replaying down to the root commit.
+
 
 Performance, Internal Implementation, Development Support etc.
 --------------------------------------------------------------
@@ -283,6 +285,21 @@ Performance, Internal Implementation, Development Support etc.
    is buggy and breaks our existing tests, which unfortunately
    have been rewritten to avoid triggering the bug.
 
+ * Object name handling (disambiguation and abbreviation) has been
+   refactored to be backend-generic, moving logic into the respective
+   object database backends.
+
+ * pack-objects's --stdin-packs=follow mode learns to handle
+   excluded-but-open packs.
+
+ * A few code paths that spawned child processes for network
+   connection weren't wait(2)ing for their children and letting "init"
+   reap them instead; they have been tightened.
+
+ * Adjust the codebase for C23 that changes functions like strchr()
+   that discarded constness when they return a pointer into a const
+   string to preserve constness.
+
 
 Fixes since v2.53
 -----------------
@@ -512,3 +529,6 @@ Fixes since v2.53
    (merge 37182267a0 kh/doc-interpret-trailers-1 later to maint).
    (merge f64c50e768 jc/rerere-modern-strbuf-handling later to maint).
    (merge 699248d89e th/t8003-unhide-git-failures later to maint).
+   (merge d8e34f971b za/t2000-modernise later to maint).
+   (merge 849988bc74 th/t6101-unhide-git-failures later to maint).
+   (merge 0f0ce07625 sp/doc-gitignore-oowt later to maint).

Documentation/git-pack-objects.adoc

@@ -94,13 +94,24 @@ base-name::
 	included packs (those not beginning with `^`), excluding any
 	objects listed in the excluded packs (beginning with `^`).
 +
-When `mode` is "follow", objects from packs not listed on stdin receive
-special treatment. Objects within unlisted packs will be included if
-those objects are (1) reachable from the included packs, and (2) not
-found in any excluded packs. This mode is useful, for example, to
-resurrect once-unreachable objects found in cruft packs to generate
-packs which are closed under reachability up to the boundary set by the
-excluded packs.
+When `mode` is "follow" packs may additionally be prefixed with `!`,
+indicating that they are excluded but not necessarily closed under
+reachability.  In addition to objects in included packs, the resulting
+pack may include additional objects based on the following:
++
+--
+* If any packs are marked with `!`, then objects reachable from such
+  packs or included ones via objects outside of excluded-closed packs
+  will be included. In this case, all `^` packs are treated as closed
+  under reachability.
+* Otherwise (if there are no `!` packs), objects within unlisted packs
+  will be included if those objects are (1) reachable from the
+  included packs, and (2) not found in any excluded packs.
+--
++
+This mode is useful, for example, to resurrect once-unreachable
+objects found in cruft packs to generate packs which are closed under
+reachability up to the boundary set by the excluded packs.
 +
 Incompatible with `--revs`, or options that imply `--revs` (such as
 `--all`), with the exception of `--unpacked`, which is compatible.

Documentation/git-stash.adoc

@@ -14,10 +14,10 @@ git stash drop [-q | --quiet] [<stash>]
 git stash pop [--index] [-q | --quiet] [<stash>]
 git stash apply [--index] [-q | --quiet] [<stash>]
 git stash branch <branchname> [<stash>]
-git stash [push [-p | --patch] [-S | --staged] [-k | --[no-]keep-index] [-q | --quiet]
+git stash [push] [-p | --patch] [-S | --staged] [-k | --[no-]keep-index] [-q | --quiet]
 	     [-u | --include-untracked] [-a | --all] [(-m | --message) <message>]
 	     [--pathspec-from-file=<file> [--pathspec-file-nul]]
-	     [--] [<pathspec>...]]
+	     [--] [<pathspec>...]
 git stash save [-p | --patch] [-S | --staged] [-k | --[no-]keep-index] [-q | --quiet]
            [-u | --include-untracked] [-a | --all] [<message>]
 git stash clear
@@ -60,10 +60,8 @@ COMMANDS
 	the description along with the stashed state.
 +
 For quickly making a snapshot, you can omit "push".  In this mode,
-non-option arguments are not allowed to prevent a misspelled
-subcommand from making an unwanted stash entry.  The two exceptions to this
-are `stash -p` which acts as alias for `stash push -p` and pathspec elements,
-which are allowed after a double hyphen `--` for disambiguation.
+pathspec elements are only allowed after a double hyphen `--`
+to prevent a misspelled subcommand from making an unwanted stash entry.
 
 `save [-p | --patch] [-S | --staged] [-k | --[no-]keep-index] [-u | --include-untracked] [-a | --all] [-q | --quiet] [<message>]`::
 

Documentation/gitignore.adoc

@@ -96,6 +96,11 @@ PATTERN FORMAT
    particular `.gitignore` file itself. Otherwise the pattern may also
    match at any level below the `.gitignore` level.
 
+ - Patterns read from exclude sources that are outside the working tree,
+   such as $GIT_DIR/info/exclude and core.excludesFile, are treated as if
+   they are specified at the root of the working tree, i.e. a leading "/"
+   in such patterns anchors the match at the root of the repository.
+
  - If there is a separator at the end of the pattern then the pattern
    will only match directories, otherwise the pattern can match both
    files and directories.

builtin/cat-file.c

@@ -848,6 +848,9 @@ static void batch_each_object(struct batch_options *opt,
 		.callback = callback,
 		.payload = _payload,
 	};
+	struct odb_for_each_object_options opts = {
+		.flags = flags,
+	};
 	struct bitmap_index *bitmap = NULL;
 	struct odb_source *source;
 
@@ -860,7 +863,7 @@ static void batch_each_object(struct batch_options *opt,
 	odb_prepare_alternates(the_repository->objects);
 	for (source = the_repository->objects->sources; source; source = source->next) {
 		int ret = odb_source_loose_for_each_object(source, NULL, batch_one_object_oi,
-							   &payload, flags);
+							   &payload, &opts);
 		if (ret)
 			break;
 	}
@@ -884,7 +887,7 @@ static void batch_each_object(struct batch_options *opt,
 		for (source = the_repository->objects->sources; source; source = source->next) {
 			struct odb_source_files *files = odb_source_files_downcast(source);
 			int ret = packfile_store_for_each_object(files->packed, &oi,
-								 batch_one_object_oi, &payload, flags);
+								 batch_one_object_oi, &payload, &opts);
 			if (ret)
 				break;
 		}

builtin/config.c

@@ -838,6 +838,7 @@ static int get_urlmatch(const struct config_location_options *opts,
 			const char *var, const char *url)
 {
 	int ret;
+	char *section;
 	char *section_tail;
 	struct config_display_options display_opts = *_display_opts;
 	struct string_list_item *item;
@@ -851,8 +852,8 @@ static int get_urlmatch(const struct config_location_options *opts,
 	if (!url_normalize(url, &config.url))
 		die("%s", config.url.err);
 
-	config.section = xstrdup_tolower(var);
-	section_tail = strchr(config.section, '.');
+	config.section = section = xstrdup_tolower(var);
+	section_tail = strchr(section, '.');
 	if (section_tail) {
 		*section_tail = '\0';
 		config.key = section_tail + 1;
@@ -886,7 +887,7 @@ static int get_urlmatch(const struct config_location_options *opts,
 	string_list_clear(&values, 1);
 	free(config.url.url);
 
-	free((void *)config.section);
+	free(section);
 	return ret;
 }