$ git clone -n https://src.fedoraproject.org/rpms/perl-Tangerine.git /var/lib/mock/f45-build-26436-617/root/chroot_tmpdir/scmroot/perl-Tangerine
Cloning into '/var/lib/mock/f45-build-26436-617/root/chroot_tmpdir/scmroot/perl-Tangerine'...
$ git fetch origin 0ac24efb8a47c6c3dfefa19cdf20b0fe40f3dfe3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tangerine
 * [new ref]         0ac24efb8a47c6c3dfefa19cdf20b0fe40f3dfe3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0ac24ef Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild