$ git clone -n https://src.fedoraproject.org/rpms/rubygem-curb.git /var/lib/mock/f37-build-633686-69356/root/chroot_tmpdir/scmroot/rubygem-curb
Cloning into '/var/lib/mock/f37-build-633686-69356/root/chroot_tmpdir/scmroot/rubygem-curb'...
$ git reset --hard 848dd80158602851cd505262ec2cdd44c1251813
HEAD is now at 848dd80 Update to curb 1.0.1.