2 files changed, 62 insertions, 5 deletions
diff --git a/pkgs/applications/audio/plexamp/default.nix b/pkgs/applications/audio/plexamp/default.nix
index caa703f59ce..9921c1b7e88 100644
--- a/pkgs/applications/audio/plexamp/default.nix
+++ b/pkgs/applications/audio/plexamp/default.nix
@@ -2,13 +2,13 @@
 
 let
   pname = "plexamp";
-  version = "3.1.1";
+  version = "3.5.0";
   name = "${pname}-${version}";
 
   src = fetchurl {
     url = "https://plexamp.plex.tv/plexamp.plex.tv/desktop/Plexamp-${version}.AppImage";
-    sha256 = "11hgcysa1x9yqvha6ri4vl1zk8gf8vhcpnh3j38wg9ncd7nz5k2v";
     name="${pname}-${version}.AppImage";
+    sha512 = "NjhrtGQsIbNDmGPEDmEbaHSfvUTFb1e7yPorF/BzWTfwVoFZEJiNzP/1k+zTJ4Yfd4mG0W0GYx0jh8m/micWIg==";
   };
 
   appimageContents = appimageTools.extractType2 {
@@ -25,15 +25,18 @@ in appimageTools.wrapType2 {
     install -m 444 -D ${appimageContents}/plexamp.desktop $out/share/applications/plexamp.desktop
     install -m 444 -D ${appimageContents}/plexamp.png \
       $out/share/icons/hicolor/512x512/apps/plexamp.png
-    substituteInPlace $out/share/applications/plexamp.desktop \
+    substituteInPlace $out/share/applications/${pname}.desktop \
       --replace 'Exec=AppRun' 'Exec=${pname}'
   '';
 
+  passthru.updateScript = ./update-plexamp.sh;
+
   meta = with lib; {
-    description = "A beautiful Plex music player for audiophiles, curators, and hipsters.";
+    description = "A beautiful Plex music player for audiophiles, curators, and hipsters";
     homepage = "https://plexamp.com/";
+    changelog = "https://forums.plex.tv/t/plexamp-release-notes/221280/30";
     license = licenses.unfree;
-    maintainers = with maintainers; [ killercup ];
+    maintainers = with maintainers; [ killercup synthetica ];
     platforms = [ "x86_64-linux" ];
   };
 }
diff --git a/pkgs/applications/audio/plexamp/update-plexamp.sh b/pkgs/applications/audio/plexamp/update-plexamp.sh
new file mode 100755
index 00000000000..b6b8def1e31
--- /dev/null
+++ b/pkgs/applications/audio/plexamp/update-plexamp.sh
@@ -0,0 +1,54 @@
+#! /usr/bin/env nix-shell
+#! nix-shell -p yq bash curl bc ripgrep
+#! nix-shell -i bash
+
+set -Eeuxo pipefail
+
+cleanup() {
+    rm -rf "$TMPDIR"
+}
+
+trap cleanup EXIT
+
+ROOT="$(dirname "$(readlink -f "$0")")"
+if [ ! -f "$ROOT/default.nix" ]; then
+  echo "ERROR: cannot find default.nix in $ROOT"
+  exit 1
+fi
+
+if [ "$(basename "$ROOT")" != plexamp ]; then
+  echo "ERROR: folder not named plexamp"
+  exit 1
+fi
+
+TMPDIR="$(mktemp -d)"
+
+VERSION_FILE="$TMPDIR/version.yml"
+VERSION_URL="https://plexamp.plex.tv/plexamp.plex.tv/desktop/latest-linux.yml"
+curl "$VERSION_URL" -o "$VERSION_FILE"
+
+VERSION="$(yq -r .version "$VERSION_FILE")"
+SHA512="$(yq -r .sha512 "$VERSION_FILE")"
+
+DEFAULT_NIX="$ROOT/default.nix"
+WORKING_NIX="$TMPDIR/default.nix"
+cp "$DEFAULT_NIX" "$WORKING_NIX"
+
+sed -i "s@version = .*;@version = \"$VERSION\";@g" "$WORKING_NIX"
+
+if diff "$DEFAULT_NIX" "$WORKING_NIX"; then
+  echo "WARNING: no changes"
+  exit 0
+fi
+
+# update sha hash (convenietly provided)
+sed -i "s@sha.* = .*;@sha512 = \"$SHA512\";@g" "$WORKING_NIX"
+
+# update the changelog ("just" increment the number)
+CHANGELOG_URL=$(rg --only-matching 'changelog = "(.+)";' --replace '$1' $WORKING_NIX)
+CHANGELOG_NUMBER=$(rg --only-matching '.*/([0-9]+)' --replace '$1' <<< $CHANGELOG_URL)
+NEXT_CHANGELOG=$(($CHANGELOG_NUMBER + 1))
+NEXT_URL=$(rg --only-matching '(.*)/[0-9]+' --replace "\$1/$NEXT_CHANGELOG" <<< $CHANGELOG_URL)
+sed -i "s@changelog = \".*\";@changelog = \"$NEXT_URL\";@" $WORKING_NIX
+
+mv $WORKING_NIX $DEFAULT_NIX