$ git clone -n https://src.fedoraproject.org/rpms/texlive.git /var/lib/mock/f39-build-2575988-62201/root/chroot_tmpdir/scmroot/texlive
Cloning into '/var/lib/mock/f39-build-2575988-62201/root/chroot_tmpdir/scmroot/texlive'...
$ git fetch origin 4787cd33692eff75b6ba7c5ba0d087fa9d2e1286:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/texlive
 * [new ref]         4787cd33692eff75b6ba7c5ba0d087fa9d2e1286 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4787cd3 Remove unnecessary dependency on fontawesome-fonts