$ git clone -n https://src.fedoraproject.org/rpms/golang-github-markbates-errx.git /var/lib/mock/f40-build-2288180-55772/root/chroot_tmpdir/scmroot/golang-github-markbates-errx
Cloning into '/var/lib/mock/f40-build-2288180-55772/root/chroot_tmpdir/scmroot/golang-github-markbates-errx'...
$ git fetch origin b215a9bb7e351955ff61ecb44b24b4050fd21036:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-markbates-errx
 * [new ref]         b215a9bb7e351955ff61ecb44b24b4050fd21036 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b215a9b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild