indexer: libraries-io: fix ordering of packages for hackage

src/indexers/libraries-io/process-result.py

@@ -6,12 +6,24 @@ out_file = sys.argv[1]
 platform = os.environ.get("platform")
 number = int(os.environ.get("number"))
 
+if platform == "hackage":
+  sort_key = lambda v: [int(n) for n in v['number'].split('.')]
+else:
+  sort_key = key=lambda v: v['published_at']
+
 input = json.load(sys.stdin)
 projects = []
 for package in input:
   versions = package['versions']
+  versions = sorted(versions, key=sort_key, reverse=True)
   if versions:
-    latest_version = package["latest_stable_release_number"]
+    # latest_stable_release_number is often wrong for hackage
+    if platform == "hackage":
+      latest_version = versions[0]['number']
+    else:
+      latest_version = package["latest_stable_release_number"]
+      if latest_version == None:
+        latest_version = versions[0]['number']
     projects.append(dict(
         id=f"{package['name']}-{latest_version}",
         name=package['name'],

src/subsystems/haskell/translators/hackage/default.nix

@@ -84,7 +84,9 @@ in {
 
       # download and unpack package source
       mkdir source
-      curl -L https://hackage.haskell.org/package/$name-$version/$name-$version.tar.gz > $TMPDIR/tarball
+      url="https://hackage.haskell.org/package/$name-$version/$name-$version.tar.gz"
+      echo "downloading $url"
+      curl -L "$url" > $TMPDIR/tarball
       cd source
       cat $TMPDIR/tarball | tar xz --strip-components 1
       # trigger creation of `dist-newstyle` directory

src/utils/index/default.nix

@@ -102,8 +102,9 @@ in rec {
         ])
         ''
           set -e
-          mkdir -p /tmp/flake
-          cp -r ./* /tmp/flake
+          rm -rf /tmp/.flake
+          mkdir -p /tmp/.flake
+          cp -r ./* /tmp/.flake
           set -x
           git fetch origin ${branchname} || :
           git checkout -f origin/${branchname} || :
@@ -111,7 +112,7 @@ in rec {
           git checkout -b ${branchname}
           # the flake should always be the one from the current main branch
           rm -rf ./*
-          cp -r /tmp/flake/. ./
+          cp -r /tmp/.flake/. ./
           ${commands}
           git add .
           git commit -m "automatic update - $(date --rfc-3339=seconds)"