maintainers/scripts/haskell: Add mark-broken.sh

maintainers/scripts/haskell/mark-broken.sh

@@ -0,0 +1,45 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -i bash -p coreutils git -I nixpkgs=.
+
+# This script uses the data pulled with
+# maintainers/scripts/haskell/hydra-report.hs get-report to produce a list of
+# failing builds that get written to the hackage2nix config. Then
+# hackage-packages.nix gets regenerated and transitive-broken packages get
+# marked as dont-distribute in the config as well.
+# This should disable builds for most failing jobs in the haskell-updates jobset.
+
+set -euo pipefail
+
+broken_config="pkgs/development/haskell-modules/configuration-hackage2nix/broken.yaml"
+
+tmpfile=$(mktemp)
+trap "rm ${tmpfile}" 0
+
+echo "Remember that you need to manually run 'maintainers/scripts/haskell/hydra-report.hs get-report' sometime before running this script."
+echo "Generating a list of broken builds and displaying for manual confirmation ..."
+maintainers/scripts/haskell/hydra-report.hs mark-broken-list | sort -i > $tmpfile
+
+$EDITOR $tmpfile
+
+tail -n +3 "$broken_config" >> "$tmpfile"
+
+cat > "$broken_config" << EOF
+broken-packages:
+  # These packages don't compile.
+EOF
+
+sort -iu "$tmpfile" >> "$broken_config"
+maintainers/scripts/haskell/regenerate-hackage-packages.sh
+maintainers/scripts/haskell/regenerate-transitive-broken-packages.sh
+maintainers/scripts/haskell/regenerate-hackage-packages.sh
+
+if [[ "${1:-}" == "--do-commit" ]]; then
+git add $broken_config
+git add pkgs/development/haskell-modules/configuration-hackage2nix/transitive-broken.yaml
+git add pkgs/development/haskell-modules/hackage-packages.nix
+git commit -F - << EOF
+hackage2nix: Mark failing builds broken
+
+This commit has been generated by maintainers/scripts/haskell/mark-broken.sh
+EOF
+fi