$ git clone -n https://src.fedoraproject.org/rpms/perl-Pango.git /var/lib/mock/f41-build-816891-150476/root/chroot_tmpdir/scmroot/perl-Pango
Cloning into '/var/lib/mock/f41-build-816891-150476/root/chroot_tmpdir/scmroot/perl-Pango'...
$ git fetch origin 4e06861b28033709ca6ead6ef709fa676c4c94ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Pango
 * [new ref]         4e06861b28033709ca6ead6ef709fa676c4c94ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4e06861 Perl 5.40 re-rebuild of bootstrapped packages