$ git clone -n https://src.fedoraproject.org/rpms/perl-CSS-Squish.git /var/lib/mock/f40-build-2016292-46175/root/chroot_tmpdir/scmroot/perl-CSS-Squish
Cloning into '/var/lib/mock/f40-build-2016292-46175/root/chroot_tmpdir/scmroot/perl-CSS-Squish'...
$ git fetch origin 5d479b9cac68ab2fe611514ff3005e3722ea96bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-CSS-Squish
 * [new ref]         5d479b9cac68ab2fe611514ff3005e3722ea96bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d479b9 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild