$ git clone -n https://src.fedoraproject.org/rpms/stb.git /var/lib/mock/f39-build-1983246-43346/root/chroot_tmpdir/scmroot/stb
Cloning into '/var/lib/mock/f39-build-1983246-43346/root/chroot_tmpdir/scmroot/stb'...
$ git fetch origin 7cf08bbaea47b2c25023510e108bbb38993ca731:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stb
 * [new ref]         7cf08bbaea47b2c25023510e108bbb38993ca731 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7cf08bb stb_vorbis: fix GHSL-2023-165 / fix CVE-2023-45675