Updates for typetools/checker-framework 3.39.0 release

.github/workflows/gradle.yml

@@ -9,10 +9,10 @@ jobs:
 
     strategy:
       matrix:
-        java: [ '11', '17', '19' ]
+        java: [ '11', '17', '21' ]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Set up JDK
       uses: actions/setup-java@v3
       with:

.travis.yml

@@ -11,7 +11,7 @@ cache:
     - $HOME/.m2/
 
 jdk:
-  - oraclejdk8
+  - oraclejdk17
 
 script: ./gradlew build javadoc check
 

README.md

@@ -21,6 +21,6 @@ Add to your shell startup file, such as `~/.profile`:
 alias mvc='java -ea -cp SOME_DIRECTORY/multi-version-control/build/libs/multi-version-control-all.jar org.plumelib.multiversioncontrol.MultiVersionControl'
 ```
 
-## Other scripts for managing multiple git clones
+## Other scripts for managing multiple git clones and branches
 
-See the scripts in [manage-git-clones](https://github.com/plume-lib/manage-git-clones).
+See the scripts in [manage-git-branches](https://github.com/plume-lib/manage-git-branches).

build.gradle

@@ -7,20 +7,24 @@ plugins {
 
   // Code formatting; defines targets "spotlessApply" and "spotlessCheck"
   // Requires JDK 11 or higher; the plugin crashes under JDK 8.
-  id 'com.diffplug.spotless' version '6.20.0'
+  id 'com.diffplug.spotless' version '6.22.0'
 
   // Error Prone linter
   id('net.ltgt.errorprone') version '3.1.0'
 
   // Checker Framework pluggable type-checking
-  id 'org.checkerframework' version '0.6.29'
+  id 'org.checkerframework' version '0.6.34'
 }
 
 repositories {
   mavenCentral()
   maven { url 'https://oss.sonatype.org/content/repositories/snapshots/' }
 }
 
+ext {
+  isJava21orHigher = JavaVersion.current() >= JavaVersion.VERSION_21
+}
+
 dependencies {
   implementation 'org.apache.commons:commons-exec:1.3'
   implementation 'org.ini4j:ini4j:0.5.4'
@@ -33,13 +37,8 @@ application {
   mainClass = 'org.plumelib.multiversioncontrol.MultiVersionControl'
 }
 
-if (JavaVersion.current().compareTo(org.gradle.api.JavaVersion.VERSION_20) < 0) {
-  sourceCompatibility = 1.8
-  targetCompatibility = 1.8
-} else {
-  sourceCompatibility = 11
-  targetCompatibility = 11
-}
+sourceCompatibility = 11
+targetCompatibility = 11
 
 
 spotless {
@@ -69,18 +68,20 @@ spotless {
 /// Error Prone linter
 
 dependencies {
-  errorprone('com.google.errorprone:error_prone_core:2.20.0')
+  errorprone('com.google.errorprone:error_prone_core:2.23.0')
 }
 tasks.withType(JavaCompile).configureEach {
   // "-processing" avoids javac warning "No processor claimed any of these annotations".
   // "-options" is because starting in JDK 20, javac warns about using -source 8.
   options.compilerArgs << '-Xlint:all,-processing,-options' << '-Werror'
+  if (isJava21orHigher) {
+    options.compilerArgs << '-Xlint:-this-escape,-options'
+  }
   options.errorprone {
-    enabled = JavaVersion.current() != JavaVersion.VERSION_1_8
     disable('ReferenceEquality') // Use Interning Checker instead.
   }
   options.forkOptions.jvmArgs += '-Xmx2g'
-  options.release = 8
+  options.release = 11
 }
 
 /// Checker Framework pluggable type-checking
@@ -122,7 +123,7 @@ checkerFramework {
 // To use a snapshot version of the Checker Framework.
 if (false) {
   // TODO: change the above test to false when CF is released
-  ext.checkerFrameworkVersion = '3.37.0-eisop-SNAPSHOT'
+  ext.checkerFrameworkVersion = '3.39.0-eisop-SNAPSHOT'
   dependencies {
     compileOnly "io.github.eisop:checker-qual:${checkerFrameworkVersion}"
     testCompileOnly "io.github.eisop:checker-qual:${checkerFrameworkVersion}"
@@ -148,9 +149,7 @@ if (project.hasProperty('cfLocal')) {
 javadoc {
   options.addStringOption('Xwerror', '-Xdoclint:all')
   options.addStringOption('private', '-quiet')
-  if (JavaVersion.current().compareTo(org.gradle.api.JavaVersion.VERSION_1_9) >= 0) {
-    options.addStringOption('source', '8')
-  }
+  options.addStringOption('source', '11')
   doLast {
     ant.replaceregexp(match:"@import url\\('resources/fonts/dejavu.css'\\);\\s*", replace:'',
     flags:'g', byline:true) {
@@ -165,9 +164,7 @@ task javadocWeb(type: Javadoc) {
   source = sourceSets.main.allJava
   destinationDir = file("/cse/web/research/plumelib/${project.name}/api")
   classpath = project.sourceSets.main.compileClasspath
-  if (JavaVersion.current().compareTo(org.gradle.api.JavaVersion.VERSION_1_9) >= 0) {
-    options.addStringOption('source', '8')
-  }
+  options.addStringOption('source', '11')
   doLast {
     ant.replaceregexp(match:"@import url\\('resources/fonts/dejavu.css'\\);\\s*", replace:'',
     flags:'g', byline:true) {

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.2.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.4-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

gradlew

@@ -83,7 +83,8 @@ done
 # This is normally unused
 # shellcheck disable=SC2034
 APP_BASE_NAME=${0##*/}
-APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
+# Discard cd standard output in case $CDPATH is set (https://github.com/gradle/gradle/issues/25036)
+APP_HOME=$( cd "${APP_HOME:-./}" > /dev/null && pwd -P ) || exit
 
 # Use the maximum available, or set MAX_FD != -1 to use that value.
 MAX_FD=maximum
@@ -144,15 +145,15 @@ if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
     case $MAX_FD in #(
       max*)
         # In POSIX sh, ulimit -H is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         MAX_FD=$( ulimit -H -n ) ||
             warn "Could not query maximum file descriptor limit"
     esac
     case $MAX_FD in  #(
       '' | soft) :;; #(
       *)
         # In POSIX sh, ulimit -n is undefined. That's why the result is checked to see if it worked.
-        # shellcheck disable=SC3045
+        # shellcheck disable=SC2039,SC3045
         ulimit -n "$MAX_FD" ||
             warn "Could not set maximum file descriptor limit to $MAX_FD"
     esac
@@ -201,11 +202,11 @@ fi
 # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
 DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
 
-# Collect all arguments for the java command;
-#   * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
-#     shell script including quotes and variable substitutions, so put them in
-#     double quotes to make sure that they get re-expanded; and
-#   * put everything else in single quotes, so that it's not re-expanded.
+# Collect all arguments for the java command:
+#   * DEFAULT_JVM_OPTS, JAVA_OPTS, JAVA_OPTS, and optsEnvironmentVar are not allowed to contain shell fragments,
+#     and any embedded shellness will be escaped.
+#   * For example: A user cannot expect ${Hostname} to be expanded, as it is an environment variable and will be
+#     treated as '${Hostname}' itself on the command line.
 
 set -- \
         "-Dorg.gradle.appname=$APP_BASE_NAME" \

src/main/java/org/plumelib/multiversioncontrol/MultiVersionControl.java

@@ -2013,8 +2013,7 @@ int perform_command(ProcessBuilder pb, List<Replacer> replacers, boolean showNor
       // Filter then print the output.
       String output;
       try {
-        @SuppressWarnings("DefaultCharset") // JDK 8 version does not accept UTF_8 argument
-        String tmpOutput = outStream.toString();
+        String tmpOutput = outStream.toString(UTF_8);
         output = tmpOutput;
       } catch (RuntimeException e) {
         throw new Error("Exception getting process standard output");