$ git clone -n https://src.fedoraproject.org/rpms/libunicapgtk.git /var/lib/mock/f40-build-2646918-66668/root/chroot_tmpdir/scmroot/libunicapgtk
Cloning into '/var/lib/mock/f40-build-2646918-66668/root/chroot_tmpdir/scmroot/libunicapgtk'...
$ git fetch origin b66fc90cebb752a15f8a0485091fa5052792a982:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libunicapgtk
 * [new ref]         b66fc90cebb752a15f8a0485091fa5052792a982 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b66fc90 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild