$ git clone -n https://src.fedoraproject.org/rpms/golang-modernc-ccgo-3.git /var/lib/mock/f40-build-2273404-54957/root/chroot_tmpdir/scmroot/golang-modernc-ccgo-3
Cloning into '/var/lib/mock/f40-build-2273404-54957/root/chroot_tmpdir/scmroot/golang-modernc-ccgo-3'...
$ git fetch origin b2e5ca769f998f61da120cc3a468ffbed6f8cbdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-modernc-ccgo-3
 * [new ref]         b2e5ca769f998f61da120cc3a468ffbed6f8cbdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b2e5ca7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild