$ git clone -n https://src.fedoraproject.org/rpms/golang-x-perf.git /var/lib/mock/f39-build-1851873-42276/root/chroot_tmpdir/scmroot/golang-x-perf
Cloning into '/var/lib/mock/f39-build-1851873-42276/root/chroot_tmpdir/scmroot/golang-x-perf'...
$ git fetch origin eb9718ea3ae6c19149a52ce1bad2cc170c7724bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-x-perf
 * [new ref]         eb9718ea3ae6c19149a52ce1bad2cc170c7724bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eb9718e Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild