$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-tomlib.git /var/lib/mock/f38-build-side-42-init-devel-595541-26162/root/chroot_tmpdir/scmroot/gap-pkg-tomlib
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-595541-26162/root/chroot_tmpdir/scmroot/gap-pkg-tomlib'...
$ git fetch origin 8f49a506c8a0a79a6f4b2d44241366e54ed68b7c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-tomlib
 * [new ref]         8f49a506c8a0a79a6f4b2d44241366e54ed68b7c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8f49a50 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild