$ git clone -n https://src.fedoraproject.org/rpms/rest0.7.git /var/lib/mock/f39-build-1531097-36205/root/chroot_tmpdir/scmroot/rest0.7
Cloning into '/var/lib/mock/f39-build-1531097-36205/root/chroot_tmpdir/scmroot/rest0.7'...
$ git fetch origin 992effcf54fd58b1282f59071ecfdc60a704ac6d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rest0.7
 * [new ref]         992effcf54fd58b1282f59071ecfdc60a704ac6d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 992effc Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild