$ git clone -n https://src.fedoraproject.org/rpms/golang-github-mattn-localereader.git /var/lib/mock/f38-build-side-42-init-devel-574712-25997/root/chroot_tmpdir/scmroot/golang-github-mattn-localereader
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-574712-25997/root/chroot_tmpdir/scmroot/golang-github-mattn-localereader'...
$ git fetch origin 8fdd19319769415496b53b92772d2c853bb72cb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-mattn-localereader
 * [new ref]         8fdd19319769415496b53b92772d2c853bb72cb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fdd193 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild