$ git clone -n https://src.fedoraproject.org/rpms/jansi1.git /var/lib/mock/f40-build-2295454-56328/root/chroot_tmpdir/scmroot/jansi1
Cloning into '/var/lib/mock/f40-build-2295454-56328/root/chroot_tmpdir/scmroot/jansi1'...
$ git fetch origin 12147d7105d591b1e19810fd58302eb898dd9841:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jansi1
 * [new ref]         12147d7105d591b1e19810fd58302eb898dd9841 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 12147d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild