Write a script for resetting commit author metadata

.config/sway/config

@@ -9,7 +9,7 @@
 # Logo key. Use Mod1 for Alt.
 set $wm_mod Mod4+Control
 set $launch Mod4+Alt
-# Home row direction keys, like vim
+# WASD direction keys, video game style
 set $left a
 set $down s
 set $up w

.gitconfig

@@ -1,12 +1,15 @@
 [init]
         defaultBranch = trunk
 [alias]
-        co = checkout
+        # keep-sorted start
         br = branch
         ci = commit
-        st = status
+        co = checkout
-        sign = commit --amend --no-edit --gpg-sign
+        disclaim = !git-disclaim
         resign = !git-resign
+        sign = commit --amend --no-edit --gpg-sign
+        st = status
+        # keep-sorted end
 [remote]
         pushDefault = .
 [git-sync]

.local/bin/git-disclaim

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+author_name="$(git show --no-patch --format='%an' HEAD)"
+author_email="$(git show --no-patch --format='%ae' HEAD)"
+GIT_AUTHOR_NAME="${author_name}" GIT_AUTHOR_EMAIL="${author_email}" GIT_COMMITTER_NAME="${author_name}" GIT_COMMITTER_EMAIL="${author_email}" git commit --amend --author "${author_name} <${author_email}>" --no-edit --no-verify