$ git clone -n https://src.fedoraproject.org/rpms/kmail.git /var/lib/mock/f38-build-side-42-init-devel-814949-28321/root/chroot_tmpdir/scmroot/kmail
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-814949-28321/root/chroot_tmpdir/scmroot/kmail'...
$ git fetch origin 2bca7ec72618fdd24ac3dadaf0b2942d70f8884d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kmail
 * [new ref]         2bca7ec72618fdd24ac3dadaf0b2942d70f8884d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2bca7ec feat: 22.12.3