$ git clone -n https://src.fedoraproject.org/rpms/rubygem-rake.git /var/lib/mock/f38-build-side-42-init-devel-620734-26340/root/chroot_tmpdir/scmroot/rubygem-rake
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-620734-26340/root/chroot_tmpdir/scmroot/rubygem-rake'...
$ git fetch origin 11f02ab37d362b35a8ef850d5e8391e47dba7709:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-rake
 * [new ref]         11f02ab37d362b35a8ef850d5e8391e47dba7709 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11f02ab Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild