$ git clone -n https://src.fedoraproject.org/rpms/ghc-text-icu.git /var/lib/mock/f42-build-861913-170476/root/chroot_tmpdir/scmroot/ghc-text-icu
Cloning into '/var/lib/mock/f42-build-861913-170476/root/chroot_tmpdir/scmroot/ghc-text-icu'...
$ git fetch origin 8c3cb0e960b9917224fcd473a076bfcfc6cc84dc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-text-icu
 * [new ref]         8c3cb0e960b9917224fcd473a076bfcfc6cc84dc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8c3cb0e Rebuild for ICU 76