$ git clone -n https://src.fedoraproject.org/rpms/golang-github-emersion-msgauth.git /var/lib/mock/f40-build-2000264-44444/root/chroot_tmpdir/scmroot/golang-github-emersion-msgauth
Cloning into '/var/lib/mock/f40-build-2000264-44444/root/chroot_tmpdir/scmroot/golang-github-emersion-msgauth'...
$ git fetch origin 9df9545b026736bcbc51de243ec4901e146378ba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-emersion-msgauth
 * [new ref]         9df9545b026736bcbc51de243ec4901e146378ba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9df9545 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild