$ git clone -n https://src.fedoraproject.org/rpms/python-matplotlib-scalebar.git /var/lib/mock/f45-build-39952-765/root/chroot_tmpdir/scmroot/python-matplotlib-scalebar
Cloning into '/var/lib/mock/f45-build-39952-765/root/chroot_tmpdir/scmroot/python-matplotlib-scalebar'...
$ git fetch origin 14a6fb3e3f8fcec1c371ec2e76021b914f519b87:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-matplotlib-scalebar
 * [new ref]         14a6fb3e3f8fcec1c371ec2e76021b914f519b87 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14a6fb3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild