$ git clone -n https://src.fedoraproject.org/rpms/python-doit.git /var/lib/mock/f42-build-3487021-45834/root/chroot_tmpdir/scmroot/python-doit
Cloning into '/var/lib/mock/f42-build-3487021-45834/root/chroot_tmpdir/scmroot/python-doit'...
$ git fetch origin 70336beb381e3f0d68adff165a1c3a9ea61da459:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-doit
 * [new ref]         70336beb381e3f0d68adff165a1c3a9ea61da459 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 70336be Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild