$ git clone -n https://src.fedoraproject.org/rpms/gocryptfs.git /var/lib/mock/f45-build-11687-434/root/chroot_tmpdir/scmroot/gocryptfs
Cloning into '/var/lib/mock/f45-build-11687-434/root/chroot_tmpdir/scmroot/gocryptfs'...
$ git fetch origin 2c63da856e4fb322c401e612ae9f5918bc322aef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gocryptfs
 * [new ref]         2c63da856e4fb322c401e612ae9f5918bc322aef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2c63da8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild