$ git clone -n https://src.fedoraproject.org/rpms/mksh.git /var/lib/mock/f39-build-1465950-33631/root/chroot_tmpdir/scmroot/mksh
Cloning into '/var/lib/mock/f39-build-1465950-33631/root/chroot_tmpdir/scmroot/mksh'...
$ git fetch origin 9b0c61717fd3ae4a3936b8fd9f8c5309edc15489:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mksh
 * [new ref]         9b0c61717fd3ae4a3936b8fd9f8c5309edc15489 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9b0c617 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild