$ git clone -n https://src.fedoraproject.org/rpms/kcolorchooser.git /var/lib/mock/f40-build-2241455-53664/root/chroot_tmpdir/scmroot/kcolorchooser
Cloning into '/var/lib/mock/f40-build-2241455-53664/root/chroot_tmpdir/scmroot/kcolorchooser'...
$ git fetch origin 31ef28f132d2d5031f43b0a6f3a47cbadd8a6034:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kcolorchooser
 * [new ref]         31ef28f132d2d5031f43b0a6f3a47cbadd8a6034 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 31ef28f 24.01.90