gaw: 20220315 -> 20250128 (#399902)

pkgs/by-name/ga/gaw/package.nix

@@ -1,19 +1,78 @@
 {
   stdenv,
-  fetchurl,
+  runCommandLocal,
   lib,
+  htmlq,
+  curl,
+  cacert,
   gtk3,
   pkg-config,
 }:
 
 stdenv.mkDerivation rec {
-  pname = "gaw";
-  version = "20220315";
+  pname = "gaw3";
+  version = "20250128";
 
-  src = fetchurl {
-    url = "https://download.tuxfamily.org/gaw/download/gaw3-${version}.tar.gz";
-    sha256 = "0j2bqi9444s1mfbr7x9rqp232xf7ab9z7ifsnl305jsklp6qmrbg";
-  };
+  # https://www.rvq.fr/php/ndl.php?id=gaw.*
+  # https://www.rvq.fr/php/ndl.php?id=gaw3-20250128.tar.gz
+  src =
+    runCommandLocal "gaw3-${version}.tar.gz"
+      {
+        BASE = "https://www.rvq.fr/php/ndl.php";
+        FNAME = "gaw3-${version}.tar.gz";
+
+        nativeBuildInputs = [
+          htmlq
+          curl
+        ];
+        SSL_CERT_FILE = "${cacert}/etc/ssl/certs/ca-bundle.crt";
+
+        outputHashMode = "recursive";
+        outputHashAlgo = "sha256";
+        outputHash = "sha256-3uO+209+cmu231iabyYmABmgegyxAxswWDWA/v8WSy0=";
+      }
+      ''
+        # fetch download page
+        html_form=$(
+          curl "$BASE?id=$FNAME" |
+            tr '\n' ' ' | tr -s ' ' | # minimize whitespace
+            htmlq tr | # select table rows, one per line
+            grep "<td>$FNAME</td>" | # filter for row of interest
+            head -n1 | # first match, just in case
+            htmlq form --base "$BASE"
+        )
+
+        declare -a curl_args=()
+
+        # hidden fields
+        declare -a input_names=()
+        readarray -td $'\n' input_names < <(
+          htmlq <<<"$html_form" "input[type=hidden]" -a name
+        )
+        for input_name in "''${input_names[@]}"; do
+          input_value=$(
+            htmlq <<<"$html_form" "input[type=hidden][name=''${input_name}]" -a value
+          )
+          echo "$input_name = $input_value"
+          curl_args+=( --form "$input_name=$input_value" )
+        done
+
+        # destination
+        curl_args+=(
+          "https://www.rvq.fr/$( htmlq <<<"$html_form"  form -a action )"
+        )
+
+        # POST and download
+        (set -x
+          curl -X POST "''${curl_args[@]}" $NIX_CURL_FLAGS --output "$FNAME"
+        )
+
+        # unpack and strip root dir
+        mkdir unpack/
+        tar xvf "$FNAME" --directory=unpack/
+        [[ "$(printf "%s\n" unpack/* | wc -l)" -eq 1 ]]
+        cp -a unpack/* $out
+      '';
 
   nativeBuildInputs = [ pkg-config ];
 
@@ -28,7 +87,7 @@ stdenv.mkDerivation rec {
       input from sound cards. Data can be imported to gaw using files,
       direct tcp/ip connection or directly from the sound card.
     '';
-    homepage = "http://gaw.tuxfamily.org";
+    homepage = "https://www.rvq.fr/linux/gaw.php";
     license = licenses.gpl2Plus;
     maintainers = with maintainers; [ fbeffa ];
     platforms = platforms.linux;