$ git clone -n https://src.fedoraproject.org/rpms/ghc-http-common.git /var/lib/mock/f40-build-776481-128863/root/chroot_tmpdir/scmroot/ghc-http-common
Cloning into '/var/lib/mock/f40-build-776481-128863/root/chroot_tmpdir/scmroot/ghc-http-common'...
$ git fetch origin 6a90dfceddf4ae37745d08e5c4e962ac7948d5d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-http-common
 * [new ref]         6a90dfceddf4ae37745d08e5c4e962ac7948d5d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6a90dfc Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild