$ git clone -n https://src.fedoraproject.org/rpms/golang-github-moby-buildkit.git /var/lib/mock/f38-build-729694-101836/root/chroot_tmpdir/scmroot/golang-github-moby-buildkit
Cloning into '/var/lib/mock/f38-build-729694-101836/root/chroot_tmpdir/scmroot/golang-github-moby-buildkit'...
$ git fetch origin 95291703c3667a5fdb50fa071d2e7c0d99e31594:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-github-moby-buildkit
 * [new ref]         95291703c3667a5fdb50fa071d2e7c0d99e31594 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9529170 Add patch to work with latest tonistiigi/fsutil