$ git clone -n https://src.fedoraproject.org/rpms/ghc-language-java.git /var/lib/mock/f40-build-776876-129121/root/chroot_tmpdir/scmroot/ghc-language-java
Cloning into '/var/lib/mock/f40-build-776876-129121/root/chroot_tmpdir/scmroot/ghc-language-java'...
$ git fetch origin d90502a0dc2985f2fd2f4e99d2e8cfeb58f07176:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-language-java
 * [new ref]         d90502a0dc2985f2fd2f4e99d2e8cfeb58f07176 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d90502a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild