$ git clone -n https://src.fedoraproject.org/rpms/python-pysam.git /var/lib/mock/f40-build-2089836-50213/root/chroot_tmpdir/scmroot/python-pysam
Cloning into '/var/lib/mock/f40-build-2089836-50213/root/chroot_tmpdir/scmroot/python-pysam'...
$ git fetch origin 18e228e80b2314f4b0c2b3d4c1eb3d211edc2939:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pysam
 * [new ref]         18e228e80b2314f4b0c2b3d4c1eb3d211edc2939 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 18e228e Fix C compatibility issue in the bundled htslib configure script