add git/batch-edit-git-commit-logs.sh

1 files changed, 22 insertions, 0 deletions

diff --git a/git/batch-edit-git-commit-logs.sh b/git/batch-edit-git-commit-logs.sh
new file mode 100644
index 0000000..583bca1
--- /dev/null
+++ b/git/batch-edit-git-commit-logs.sh
@@ -0,0 +1,22 @@
+#!/bin/bash
+
+# set the committed user information to be replaced
+old_user="old userName"
+old_email="[email protected]"
+new_user="new userName"
+new_email="[email protected]"
+
+# get global gpg signing key
+signingkey=$(git config --global user.signingkey)
+
+# rewrite the git commit history and sign new commits
+git filter-branch --env-filter "
+    if [ \"\$GIT_AUTHOR_EMAIL\" = \"$old_email\" ] && [ \"\$GIT_AUTHOR_NAME\" = \"$old_user\" ]; then
+        export GIT_AUTHOR_EMAIL=\"$new_email\"
+        export GIT_AUTHOR_NAME=\"$new_user\"
+        export GIT_COMMITTER_EMAIL=\"$new_email\"
+        export GIT_COMMITTER_NAME=\"$new_user\"
+        export GIT_COMMITTER_SIGNINGKEY=\"$signingkey\"
+        export GIT_AUTHOR_SIGNINGKEY=\"$signingkey\"
+    fi
+" --tag-name-filter cat --commit-filter 'git commit-tree -S "$@"' -- --branches --tags
\ No newline at end of file