$ git clone -n https://src.fedoraproject.org/rpms/alpine.git /var/lib/mock/f38-build-side-42-init-devel-804282-28144/root/chroot_tmpdir/scmroot/alpine
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-804282-28144/root/chroot_tmpdir/scmroot/alpine'...
$ git fetch origin 51b73ab1865b8a42d7d2b5120defbbfd94ea002c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/alpine
 * [new ref]         51b73ab1865b8a42d7d2b5120defbbfd94ea002c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51b73ab Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild