$ git clone -n https://src.fedoraproject.org/rpms/trojan.git /var/lib/mock/f39-build-1502826-34945/root/chroot_tmpdir/scmroot/trojan
Cloning into '/var/lib/mock/f39-build-1502826-34945/root/chroot_tmpdir/scmroot/trojan'...
$ git fetch origin 2d7f0839ec91f562de1bbc026a92b2f5904af71a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trojan
 * [new ref]         2d7f0839ec91f562de1bbc026a92b2f5904af71a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d7f083 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild