$ git clone -n https://src.fedoraproject.org/rpms/perl-Tk-ToolBar.git /var/lib/mock/f39-build-1433037-31862/root/chroot_tmpdir/scmroot/perl-Tk-ToolBar
Cloning into '/var/lib/mock/f39-build-1433037-31862/root/chroot_tmpdir/scmroot/perl-Tk-ToolBar'...
$ git fetch origin c7a14387b6dec6b155b7bcffb8b175f214df9c64:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Tk-ToolBar
 * [new ref]         c7a14387b6dec6b155b7bcffb8b175f214df9c64 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7a1438 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild