$ git clone -n https://src.fedoraproject.org/rpms/ledger.git /var/lib/mock/f39-build-1531119-36205/root/chroot_tmpdir/scmroot/ledger
Cloning into '/var/lib/mock/f39-build-1531119-36205/root/chroot_tmpdir/scmroot/ledger'...
$ git fetch origin 43a2c531e92b170c248f0526d2f4aa70ab1f025d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ledger
 * [new ref]         43a2c531e92b170c248f0526d2f4aa70ab1f025d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 43a2c53 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild