$ git clone -n https://src.fedoraproject.org/rpms/mISDN.git /var/lib/mock/f40-build-746029-112345/root/chroot_tmpdir/scmroot/mISDN
Cloning into '/var/lib/mock/f40-build-746029-112345/root/chroot_tmpdir/scmroot/mISDN'...
$ git fetch origin 09cabc15decc9652e624da6970fda5e9a22235ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mISDN
 * [new ref]         09cabc15decc9652e624da6970fda5e9a22235ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09cabc1 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild