$ git clone -n https://src.fedoraproject.org/rpms/mingw-tcl.git /var/lib/mock/f39-build-1558909-37315/root/chroot_tmpdir/scmroot/mingw-tcl
Cloning into '/var/lib/mock/f39-build-1558909-37315/root/chroot_tmpdir/scmroot/mingw-tcl'...
$ git fetch origin 671e3e5ce63c90328a34b17ebd213a8d969b87b1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mingw-tcl
 * [new ref]         671e3e5ce63c90328a34b17ebd213a8d969b87b1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 671e3e5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild