Initial shot for snapcraft.yaml

build.gradle

@@ -153,6 +153,8 @@ sourceSets {
 }
 
 processResources {
+    filteringCharset = 'UTF-8'
+
     filesMatching("build.properties") {
         expand(version: project.version,
                 "year": String.valueOf(Calendar.getInstance().get(Calendar.YEAR)),
@@ -161,7 +163,6 @@ processResources {
                 "azureInstrumentationKey": System.getenv('AzureInstrumentationKey'))
         filteringCharset = 'UTF-8'
     }
-    filteringCharset = 'UTF-8'
 
     filesMatching("resource/**/meta.xml") {
         expand version: project.version
@@ -368,19 +369,23 @@ task release(dependsOn: ["media", "releaseJar"]) {
 task releaseJar(dependsOn: "shadowJar") {
     group = 'JabRef - Release'
     description "Creates a Jar release."
-
     doLast {
         copy {
             from("$buildDir/libs/JabRef-${project.version}-fat.jar")
             into("$buildDir/releases")
-
             rename { String fileName ->
                 fileName.replace('-fat', '')
             }
         }
+        // set executable with read permissions (first true) and for all (false)
+        file("$buildDir/releases/JabRef-${project.version}.jar").setExecutable(true, false);
     }
 }
 
+task snapJar(dependsOn: "releaseJar", type: Delete) {
+    delete fileTree(dir: "$buildDir/releases/", exclude: "JabRef-${project.version}.jar")
+}
+
 jmh {
     warmupIterations = 5
     iterations = 10

snap/.gitignore

@@ -0,0 +1 @@
+.snapcraft/

snap/gui/jabref.desktop

@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=JabRef
+Comment=JabRef is an open source bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.
+Type=Application
+Terminal=false
+Icon=${SNAP}/meta/gui/JabRef-icon-256.png
+Exec=jabref
+Keywords=bibtex;biblatex;latex;bibliography
+Categories=Utility;

snapcraft.yaml

@@ -0,0 +1,27 @@
+# based on https://github.com/snapcore/snapcraft/blob/master/demos/gradle/snap/snapcraft.yaml
+
+name: jabref
+
+# the version string 4.0-dev is replaced by scripts/run-snapcraft.sh with the current version provided in build.gradle
+version: '4.0-dev'
+
+summary: Bibliography manager
+icon: snap/gui/JabRef-icon-256.png
+description: JabRef is an open source bibliography reference manager. The native file format used by JabRef is BibTeX, the standard LaTeX bibliography format.
+
+grade: devel # must be 'stable' to release into candidate/stable channels
+confinement: devmode # use 'strict' once you have the right plugs and slots
+
+apps:
+   jabref:
+     command: desktop-launch java -jar $SNAP/jar/JabRef-4.0-dev.jar
+     plugs: [home, network-bind, x11]
+
+parts:
+  jabref:
+    plugin: gradle
+    source: .
+    stage-packages: [default-jre, openjfx, libglib2.0-bin, x11-utils]
+    gradle-options: [snapJar]
+    gradle-output-dir: 'build/releases'
+    after: [desktop-gtk3]