$ git clone -n https://src.fedoraproject.org/rpms/python-pbr.git /var/lib/mock/f42-build-3156453-40823/root/chroot_tmpdir/scmroot/python-pbr
Cloning into '/var/lib/mock/f42-build-3156453-40823/root/chroot_tmpdir/scmroot/python-pbr'...
$ git fetch origin 3e706d5436f3d1b06490b2040782e7836ed72df2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pbr
 * [new ref]         3e706d5436f3d1b06490b2040782e7836ed72df2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3e706d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild