$ git clone -n https://src.fedoraproject.org/rpms/golang-rsc-pdf.git /var/lib/mock/f40-build-2289726-55899/root/chroot_tmpdir/scmroot/golang-rsc-pdf
Cloning into '/var/lib/mock/f40-build-2289726-55899/root/chroot_tmpdir/scmroot/golang-rsc-pdf'...
$ git fetch origin 1c2522b055ea9452429355057da078f4425cafde:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-rsc-pdf
 * [new ref]         1c2522b055ea9452429355057da078f4425cafde -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c2522b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild