$ git clone -n https://src.fedoraproject.org/rpms/adobe-source-sans-pro-fonts.git /var/lib/mock/f39-build-1657579-40566/root/chroot_tmpdir/scmroot/adobe-source-sans-pro-fonts
Cloning into '/var/lib/mock/f39-build-1657579-40566/root/chroot_tmpdir/scmroot/adobe-source-sans-pro-fonts'...
$ git fetch origin b7b04f34cceab492be50236a39ce11401265b011:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/adobe-source-sans-pro-fonts
 * [new ref]         b7b04f34cceab492be50236a39ce11401265b011 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7b04f3 Update to 3.052