$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-ObjScanner.git /var/lib/mock/f39-build-1439807-32286/root/chroot_tmpdir/scmroot/perl-Tk-ObjScanner
Cloning into '/var/lib/mock/f39-build-1439807-32286/root/chroot_tmpdir/scmroot/perl-Tk-ObjScanner'...
$ git fetch origin 2064521c0b1004fe212122517848a8410edc56d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-ObjScanner
 * [new ref]         2064521c0b1004fe212122517848a8410edc56d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2064521 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild