$ git clone -n https://src.fedoraproject.org/rpms/libunicap.git /var/lib/mock/f40-build-2119256-50732/root/chroot_tmpdir/scmroot/libunicap
Cloning into '/var/lib/mock/f40-build-2119256-50732/root/chroot_tmpdir/scmroot/libunicap'...
$ git fetch origin db9a85e7d2a3f2e9292e8b5222ffb566b64deac2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libunicap
 * [new ref]         db9a85e7d2a3f2e9292e8b5222ffb566b64deac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db9a85e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild