$ git clone -n https://src.fedoraproject.org/rpms/gfal2.git /var/lib/mock/f37-build-654561-72802/root/chroot_tmpdir/scmroot/gfal2
Cloning into '/var/lib/mock/f37-build-654561-72802/root/chroot_tmpdir/scmroot/gfal2'...
$ git reset --hard 4b7fadd0571d01dfb02b1f49392a33032493c362
HEAD is now at 4b7fadd Upgrade to upstream release 2.21.0