$ git clone -n https://src.fedoraproject.org/rpms/jigawatts.git /var/lib/mock/f39-build-2500293-61673/root/chroot_tmpdir/scmroot/jigawatts
Cloning into '/var/lib/mock/f39-build-2500293-61673/root/chroot_tmpdir/scmroot/jigawatts'...
$ git fetch origin 4c14499e425b126c25f58d5710f37daef2d8cef2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jigawatts
 * [new ref]         4c14499e425b126c25f58d5710f37daef2d8cef2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c14499 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild