Git 2.42-rc0

Signed-off-by: Junio C Hamano <gitster@pobox.com>

Documentation/RelNotes/2.42.0.txt

@@ -30,6 +30,14 @@ UI, Workflows & Features
    is a valid and sensible thing to update a branch at a remote
    repository, rather than reconciling with merge/rebase.
 
+ * "git blame --contents=file" has been taught to work in a bare
+   repository.
+
+ * "git branch -f X" to repoint the branch X said that X was "checked
+   out" in another worktree, even when branch X was not and instead
+   being bisected or rebased.  The message was reworded to say the
+   branch was "in use".
+
 
 Performance, Internal Implementation, Development Support etc.
 
@@ -73,6 +81,17 @@ Performance, Internal Implementation, Development Support etc.
  * "git branch --list --format=<format>" and friends are taught
    a new "%(describe)" placeholder.
 
+ * Clarify how to choose the starting point for a new topic in
+   developer guidance document.
+
+ * The implementation of "get_sha1_hex()" that reads a hexadecimal
+   string that spells a full object name has been extended to cope
+   with any hash function used in the repository, but the "sha1" in
+   its name survived.  Rename it to get_hash_hex(), a name that is
+   more consistent within its friends like get_hash_hex_algop().
+
+ * Command line parser fix, and a small parse-options API update.
+
 
 Fixes since v2.41
 -----------------
@@ -229,6 +248,10 @@ Fixes since v2.41
    such a malformed todo file.
    (merge 9645a087c2 ah/sequencer-rewrite-todo-fix later to maint).
 
+ * Rewrite the description of giving a custom command to the
+   submodule.<name>.update configuration variable.
+   (merge 7cebc5bd78 pv/doc-submodule-update-settings later to maint).
+
  * Other code cleanup, docfix, build fix, etc.
    (merge 51f9d2e563 sa/doc-ls-remote later to maint).
    (merge c6d26a9dda jk/format-patch-message-id-unleak later to maint).