$ git clone -n https://src.fedoraproject.org/rpms/golang-github-jbenet-context.git /var/lib/mock/f42-build-3347426-45004/root/chroot_tmpdir/scmroot/golang-github-jbenet-context
Cloning into '/var/lib/mock/f42-build-3347426-45004/root/chroot_tmpdir/scmroot/golang-github-jbenet-context'...
$ git fetch origin 178eb56cfd8e964943e3ed88b09526d1114102f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-jbenet-context
 * [new ref]         178eb56cfd8e964943e3ed88b09526d1114102f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 178eb56 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild