implement automatic versioning

CMakeLists.txt

@@ -1,6 +1,10 @@
 cmake_minimum_required(VERSION 3.0)
 project(discord-screenaudio)
 
+include(version.cmake)
+determine_version("${CMAKE_CURRENT_SOURCE_DIR}" DISCORD_SCEENAUDIO)
+add_definitions( -DDISCORD_SCEENAUDIO_VERSION_FULL="${DISCORD_SCEENAUDIO_VERSION_FULL}" )
+
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_INCLUDE_CURRENT_DIR ON)
 set(CMAKE_AUTOMOC ON)
@@ -48,6 +52,7 @@ add_executable(discord-screenaudio ${discord-screenaudio_SRC})
 target_link_libraries(discord-screenaudio Qt5::Widgets Qt5::WebEngineWidgets rohrkabel)
 
 install(TARGETS discord-screenaudio DESTINATION bin)
-install(PROGRAMS assets/de.shorsh.discord-screenaudio.png DESTINATION ${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/256x256/apps)
+install(FILES assets/de.shorsh.discord-screenaudio.png DESTINATION ${CMAKE_INSTALL_PREFIX}/share/icons/hicolor/256x256/apps)
 install(PROGRAMS assets/de.shorsh.discord-screenaudio.desktop DESTINATION ${CMAKE_INSTALL_PREFIX}/share/applications)
-install(PROGRAMS assets/de.shorsh.discord-screenaudio.metainfo.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/metainfo)
+configure_file(assets/de.shorsh.discord-screenaudio.metainfo.xml.in de.shorsh.discord-screenaudio.metainfo.xml)
+install(FILES ${CMAKE_BINARY_DIR}/de.shorsh.discord-screenaudio.metainfo.xml DESTINATION ${CMAKE_INSTALL_PREFIX}/share/metainfo)

assets/de.shorsh.discord-screenaudio.metainfo.xml.in

@@ -5,7 +5,7 @@
   <project_license>GPL-3.0+</project_license>
   <name>discord-screenaudio</name>
   <releases>
-    <release version="v1.0.0-rc.11" />
+    <release version="${DISCORD_SCEENAUDIO_VERSION_FULL}" />
   </releases>
 
   <summary>

assets/userscript.js

@@ -122,9 +122,10 @@ setInterval(() => {
   ) {
     for (const el of document.getElementsByClassName("info-3pQQBb")) {
       const aboutEl = document.createElement("div");
-      aboutEl.innerText = "discord-screenaudio v1.0.0-rc.11";
+      aboutEl.innerText = `discord-screenaudio ${window.discordScreenaudioVersion}`;
       aboutEl.style.fontSize = "12px";
       aboutEl.style.color = "var(--text-muted)";
+      aboutEl.style.textTransform = "none";
       aboutEl.classList.add("dirscordScreenaudioAboutText");
       el.appendChild(aboutEl);
     }

src/discordpage.cpp

@@ -17,6 +17,11 @@ DiscordPage::DiscordPage(QWidget *parent) : QWebEnginePage(parent) {
   connect(this, &QWebEnginePage::featurePermissionRequested, this,
           &DiscordPage::featurePermissionRequested);
 
+  connect(this, &QWebEnginePage::loadStarted, [=]() {
+    runJavaScript(QString("window.discordScreenaudioVersion = '%1';")
+                      .arg(QApplication::applicationVersion()));
+  });
+
   settings()->setAttribute(QWebEngineSettings::ScreenCaptureEnabled, true);
   settings()->setAttribute(QWebEngineSettings::JavascriptCanOpenWindows, true);
   settings()->setAttribute(QWebEngineSettings::AllowRunningInsecureContent,
@@ -31,6 +36,7 @@ DiscordPage::DiscordPage(QWidget *parent) : QWebEnginePage(parent) {
   setUrl(QUrl("https://discord.com/app"));
 
   injectScript(":/assets/userscript.js");
+  injectVersion(QApplication::applicationVersion());
 
   connect(&m_streamDialog, &StreamDialog::requestedStreamStart, this,
           &DiscordPage::startStream);
@@ -59,6 +65,20 @@ void DiscordPage::injectScript(QString source) {
   }
 }
 
+void DiscordPage::injectVersion(QString version) {
+  QWebEngineScript script;
+
+  auto code = QString("window.discordScreenaudioVersion = '%1';").arg(version);
+
+  script.setSourceCode(code);
+  script.setName("version.js");
+  script.setWorldId(QWebEngineScript::MainWorld);
+  script.setInjectionPoint(QWebEngineScript::DocumentCreation);
+  script.setRunsOnSubFrames(false);
+
+  scripts().insert(script);
+}
+
 void DiscordPage::featurePermissionRequested(const QUrl &securityOrigin,
                                              QWebEnginePage::Feature feature) {
   // Allow every permission asked
@@ -78,7 +98,6 @@ void DiscordPage::featurePermissionRequested(const QUrl &securityOrigin,
 bool DiscordPage::acceptNavigationRequest(const QUrl &url,
                                           QWebEnginePage::NavigationType type,
                                           bool isMainFrame) {
-  qDebug() << url;
   if (type == QWebEnginePage::NavigationTypeLinkClicked) {
     QDesktopServices::openUrl(url);
     return false;

src/discordpage.h

@@ -25,6 +25,7 @@ private:
                            const QString &message, int lineNumber,
                            const QString &sourceID) override;
   void injectScript(QString source);
+  void injectVersion(QString version);
   void stopVirtmic();
   void startVirtmic(QString target);
 

src/main.cpp

@@ -7,7 +7,7 @@
 int main(int argc, char *argv[]) {
   QApplication app(argc, argv);
   QApplication::setApplicationName("discord-screenaudio");
-  QApplication::setApplicationVersion("1.0.0-rc.11");
+  QApplication::setApplicationVersion(DISCORD_SCEENAUDIO_VERSION_FULL);
 
   QCommandLineParser parser;
   parser.setApplicationDescription(

version.cmake

@@ -0,0 +1,163 @@
+# Copyright (c) 2018-2021 Ribose Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+# desired length of commit hash
+set(GIT_REV_LEN 7)
+
+# call git, store output in var (can fail)
+macro(_git var)
+  execute_process(
+    COMMAND "${GIT_EXECUTABLE}" ${ARGN}
+    WORKING_DIRECTORY "${source_dir}"
+    RESULT_VARIABLE _git_ec
+    OUTPUT_VARIABLE ${var}
+    OUTPUT_STRIP_TRAILING_WHITESPACE
+    ERROR_QUIET
+  )
+endmacro()
+
+function(extract_version_info version var_prefix)
+  # extract the main components
+  #   v1.9.0-3-g5b92266+1546836556
+  #   v1.9.0-3-g5b92266-dirty+1546836556
+  string(REGEX MATCH "^v?([0-9]+\\.[0-9]+\\.[0-9]+)(-([0-9]+)-g([0-9a-f]+)(-dirty)?)?(\\+([0-9]+))?$" matches "${version}")
+  if (NOT matches)
+    message(FATAL_ERROR "Failed to extract version components from ${version}.")
+  endif()
+  set(${var_prefix}_VERSION "${CMAKE_MATCH_1}" PARENT_SCOPE) # 1.9.0
+  if (NOT CMAKE_MATCH_3)
+    set(CMAKE_MATCH_3 "0")
+  endif()
+  set(${var_prefix}_VERSION_NCOMMITS "${CMAKE_MATCH_3}" PARENT_SCOPE) # 3
+  if (NOT CMAKE_MATCH_4)
+    set(CMAKE_MATCH_4 "0")
+  endif()
+  set(${var_prefix}_VERSION_GIT_REV "${CMAKE_MATCH_4}" PARENT_SCOPE) # 5b92266
+  if (CMAKE_MATCH_5 STREQUAL "-dirty")
+    set(${var_prefix}_VERSION_IS_DIRTY TRUE PARENT_SCOPE)
+  else()
+    set(${var_prefix}_VERSION_IS_DIRTY FALSE PARENT_SCOPE)
+  endif()
+  # timestamp is optional, default to 0
+  if (NOT CMAKE_MATCH_7)
+    set(CMAKE_MATCH_7 "0")
+  endif()
+  set(${var_prefix}_VERSION_COMMIT_TIMESTAMP "${CMAKE_MATCH_7}" PARENT_SCOPE) # 1546836556
+endfunction()
+
+function(determine_version source_dir var_prefix)
+  set(has_release_tag NO)
+  set(has_version_txt NO)
+  set(local_prefix "_determine_ver")
+  # find out base version via version.txt
+  set(base_version "0.0.0")
+  if (EXISTS "${source_dir}/version.txt")
+    set(has_version_txt YES)
+    file(STRINGS "${source_dir}/version.txt" version_file)
+    extract_version_info("${version_file}" "${local_prefix}")
+    set(base_version "${${local_prefix}_VERSION}")
+    message(STATUS "Found version.txt with ${version_file}")
+  else()
+    message(STATUS "Found no version.txt.")
+  endif()
+  # for GIT_EXECUTABLE
+  find_package(Git)
+  # get a description of the version, something like:
+  #   v1.9.1-0-g38ffe82        (a tagged release)
+  #   v1.9.1-0-g38ffe82-dirty  (a tagged release with local modifications)
+  #   v1.9.0-3-g5b92266        (post-release snapshot)
+  #   v1.9.0-3-g5b92266-dirty  (post-release snapshot with local modifications)
+  _git(version describe --abbrev=${GIT_REV_LEN} --match "v[0-9]*" --long --dirty)
+  if (NOT _git_ec EQUAL 0)
+    # no annotated tags, fake one
+    message(STATUS "Found no annotated tags.")
+    _git(revision rev-parse --short=${GIT_REV_LEN} --verify HEAD)
+    if (_git_ec EQUAL 0)
+      set(version "v${base_version}-0-g${revision}")
+      # check if dirty (this won't detect untracked files, but should be ok)
+      _git(changes diff-index --quiet HEAD --)
+      if (NOT _git_ec EQUAL 0)
+        string(APPEND version "-dirty")
+      endif()
+      # append the commit timestamp of the most recent commit (only
+      # in non-release branches -- typically master)
+      _git(commit_timestamp show -s --format=%ct)
+      if (_git_ec EQUAL 0)
+        string(APPEND version "+${commit_timestamp}")
+      endif()
+    elseif(has_version_txt)
+      # Nothing to get from git - so use version.txt completely
+      set(version "${version_file}")
+    else()
+      # Sad case - no git, no version.txt
+      set(version "v${base_version}")
+    endif()
+  else()
+    set(has_release_tag YES)
+    message(STATUS "Found annotated tag ${version}")
+  endif()
+  extract_version_info("${version}" "${local_prefix}")
+  if ("${has_version_txt}" AND NOT ${base_version} STREQUAL ${local_prefix}_VERSION)
+    message(WARNING "Tagged version ${${local_prefix}_VERSION} doesn't match one from the version.txt: ${base_version}")
+    if (${base_version} VERSION_GREATER ${local_prefix}_VERSION)
+      set(${local_prefix}_VERSION ${base_version})
+    endif()
+  endif()
+  foreach(suffix VERSION VERSION_NCOMMITS VERSION_GIT_REV VERSION_IS_DIRTY VERSION_COMMIT_TIMESTAMP)
+    if (NOT DEFINED ${local_prefix}_${suffix})
+      message(FATAL_ERROR "Unable to determine version.")
+    endif()
+    set(${var_prefix}_${suffix} "${${local_prefix}_${suffix}}" PARENT_SCOPE)
+    message(STATUS "${var_prefix}_${suffix}: ${${local_prefix}_${suffix}}")
+  endforeach()
+  # Set VERSION_SUFFIX and VERSION_FULL. When making changes, be aware that
+  # this is used in packaging as well and will affect ordering.
+  # | state                 | version_full                |
+  # |-----------------------------------------------------|
+  # | exact tag             | 0.9.0                       |
+  # | exact tag, dirty      | 0.9.0+git20180604           |
+  # | after tag             | 0.9.0+git20180604.1.085039f |
+  # | no tag, version.txt   | 0.9.0+git20180604.2ee02af   |
+  # | no tag, no version.txt| 0.0.0+git20180604.2ee02af   |
+  string(TIMESTAMP date "%Y%m%d" UTC)
+  set(version_suffix "")
+  if (NOT ${local_prefix}_VERSION_NCOMMITS EQUAL 0)
+    # 0.9.0+git20150604.4.289818b
+    string(APPEND version_suffix "+git${date}.${${local_prefix}_VERSION_NCOMMITS}.${${local_prefix}_VERSION_GIT_REV}")
+  elseif ((NOT has_release_tag) AND ((NOT has_version_txt) OR ("${base_version}" STREQUAL "0.0.0") OR (NOT "${revision}" STREQUAL "")))
+    # 0.9.0+git20150604.289818b
+    string(APPEND version_suffix "+git${date}.${${local_prefix}_VERSION_GIT_REV}")
+  elseif(${local_prefix}_VERSION_IS_DIRTY)
+    # 0.9.0+git20150604
+    string(APPEND version_suffix "+git${date}")
+  endif()
+  set(version_full "${${local_prefix}_VERSION}${version_suffix}")
+  # set the results
+  set(${var_prefix}_VERSION_SUFFIX "${version_suffix}" PARENT_SCOPE)
+  set(${var_prefix}_VERSION_FULL "${version_full}" PARENT_SCOPE)
+  # for informational purposes
+  message(STATUS "${var_prefix}_VERSION_SUFFIX: ${version_suffix}")
+  message(STATUS "${var_prefix}_VERSION_FULL: ${version_full}")
+endfunction()
+