hackage-meta: upload times for all deps

scripts/extract-upload-date.sh

@@ -0,0 +1,17 @@
+#!/bin/sh
+
+PACKAGE=$1
+OUTDIR=$2
+
+versions="$(wget -O - https://hackage.haskell.org/package/"$PACKAGE"/preferred.json | jq '(."normal-version" + ."deprecated-version")[]' -r)"
+
+mkdir -p "$OUTDIR"
+
+for v in $versions; do
+    date=$(wget -O - https://hackage.haskell.org/package/"$PACKAGE-$v" \
+                  | w3m -dump -T text/html \
+                  | grep Uploaded \
+                  | sed -r 's/^\s+Uploaded\s+(.*) by .*$/\1/')
+
+    date --date="$date" '+%s' > "$OUTDIR"/"$PACKAGE-$v".upload-date
+done