$ git clone -n https://src.fedoraproject.org/rpms/poppler.git /var/lib/mock/f31-build-49325-27270/root/thebuilddir/tmp/scmroot/poppler
Cloning into '/var/lib/mock/f31-build-49325-27270/root/thebuilddir/tmp/scmroot/poppler'...
$ git reset --hard ad26aced43f73f2c90449e450d4cccaecda13569
HEAD is now at ad26ace Don't read outside of image buffer in PSOutputDev