$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-Install.git /var/lib/mock/f41-build-815664-149668/root/chroot_tmpdir/scmroot/perl-ExtUtils-Install
Cloning into '/var/lib/mock/f41-build-815664-149668/root/chroot_tmpdir/scmroot/perl-ExtUtils-Install'...
$ git fetch origin 0e747633656965c352703e5180a2b2eecb0bf9f2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-Install
 * [new ref]         0e747633656965c352703e5180a2b2eecb0bf9f2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e74763 Increase release to favour standalone package