$ git clone -n https://src.fedoraproject.org/rpms/libunicode.git /var/lib/mock/f39-build-1589094-38230/root/chroot_tmpdir/scmroot/libunicode
Cloning into '/var/lib/mock/f39-build-1589094-38230/root/chroot_tmpdir/scmroot/libunicode'...
$ git fetch origin 5e8a432bce07dfa7d222aef16ae680b8fdd10b1b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libunicode
 * [new ref]         5e8a432bce07dfa7d222aef16ae680b8fdd10b1b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e8a432 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild