nixpkgs-update: filter updates

hosts/build02/filter.sed

@@ -0,0 +1,13 @@
+# 1. replace versioned generic kernels with unversioned
+s|linuxKernel.packages.linux_[0-9_]*\.|linuxPackages.|g
+# 2. drop other kernels (hardened, xanmod, zen, etc)
+/linuxKernel.packages.linux_\w*/d
+
+# replace versioned/jit with unversioned
+s|postgresql\w*Packages|postgresqlPackages|g
+
+# replace versioned with the default version
+s|python3\w*Packages|python312Packages|g
+
+# drop > 4000 packages that can't be updated
+/rPackages.\w*/d

hosts/build02/nixpkgs-update.nix

@@ -102,7 +102,7 @@ let
       cd "$LOGS_DIRECTORY/~fetchers"
       run_name="${name}.$(date +%s).txt"
       rm -f ${name}.*.txt.part
-      ${cmd} > "$run_name.part"
+      ${cmd} | sed -f ${./filter.sed} > "$run_name.part"
       rm -f ${name}.*.txt
       mv "$run_name.part" "$run_name"
     '';