$ git clone -n https://src.fedoraproject.org/rpms/golang-x-mobile.git /var/lib/mock/f42-build-3494618-45873/root/chroot_tmpdir/scmroot/golang-x-mobile
Cloning into '/var/lib/mock/f42-build-3494618-45873/root/chroot_tmpdir/scmroot/golang-x-mobile'...
$ git fetch origin 78c7d85d9c7335df4f5e32154f73aeb4f09fbf3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-mobile
 * [new ref]         78c7d85d9c7335df4f5e32154f73aeb4f09fbf3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78c7d85 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild