How do I fix a typo in a git commit comment?
Eric S. Raymond
esr at thyrsus.com
Sun Mar 25 07:46:30 UTC 2018
Hal Murray via devel <devel at ntpsec.org>:
> The 674 should be 474.
> commit c8c888f8f2ef295c0ea5f854127069b3812e4c09
> Author: Hal Murray <murray at shuksan.example.com>
> Date: Fri Mar 23 01:11:17 2018 -0700
> Add logging of year(s) on large clock steps. Issue #674
If it weren't in the public repo this would be easy - I'm enclosing a script
that does this.
Since it is, I'd have to edit it here, then unprotect the public master branch,
then force-push, then reprotect it. This will take the public repo temporarily
out of service and confuse/inconvenience people who have cloned or pulled
since your commit.
Is this important enough to do that?
<a href="http://www.catb.org/~esr/">Eric S. Raymond</a>
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# Give this a commit-ID specification. It will edit the associated comment.
# Usual caveats apply; the edited one and all commits after will change IDs,
# and pushing them to a repo with the old commits will wreak havoc.
# Note also that this cavalierly overwrites refs/original.
# This script by Eric S. Raymond, March 2010, all rites perverted. It's based
# on an idea by thiago from #git, but debugged and with a safety check.
# It contains porcelain and porcelain byproducts.
topdir=`git rev-parse --show-cdup`
test -n "$topdir" && cd "$topdir"
my_commit=`git rev-parse $1` || exit $?
# Run a safety check before edits that could hose remotes.
if test -n "`git branch -r --contains $mycommit`"
echo -n "Commit has been pushed. Really edit? "
if test "$yn" != 'y'
test -d .git && myfile=.git/COMMIT_EDITMSG
# This effort to invoke the user's normal editor fails.
# the problem is that anything the editor writes to stdout on the
# controlling terminal becomes part of the commit message. So
# the editor needs to actually run inside another window.
#test -z "$GIT_EDITOR" && GIT_EDITOR=$EDITOR
#test -z "$GIT_EDITOR" && GIT_EDITOR=vi
# xterm -e vi should also work.
export my_file my_commit my_editor
exec git filter-branch -f --tag-name-filter cat --msg-filter '
if test "$GIT_COMMIT" = "$my_commit"; then
cat > $my_file;
$my_editor $my_file >/dev/null;
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