$ git clone -n https://src.fedoraproject.org/rpms/playonlinux.git /var/lib/mock/f39-build-1543971-36604/root/chroot_tmpdir/scmroot/playonlinux
Cloning into '/var/lib/mock/f39-build-1543971-36604/root/chroot_tmpdir/scmroot/playonlinux'...
$ git fetch origin 63ec8c775bfbdce17f7bbaf4e15e52ef138e1e3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/playonlinux
 * [new ref]         63ec8c775bfbdce17f7bbaf4e15e52ef138e1e3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 63ec8c7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild