$ git clone -n https://src.fedoraproject.org/rpms/rust-value-bag-sval2.git /var/lib/mock/f39-build-1543924-36600/root/chroot_tmpdir/scmroot/rust-value-bag-sval2
Cloning into '/var/lib/mock/f39-build-1543924-36600/root/chroot_tmpdir/scmroot/rust-value-bag-sval2'...
$ git fetch origin 7a0a6fdc42a813415139c180bdca7015834ee3c8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-value-bag-sval2
 * [new ref]         7a0a6fdc42a813415139c180bdca7015834ee3c8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a0a6fd Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild