Put the whole toolchain on Java 24, and take Gradle to 9.7.1
Java was scattered across four numbers that nobody had chosen together: the
daemon ran on 25 (pinned in gradle-daemon-jvm.properties), CI installed 17, the
IDE was set to 25, and the app compiled to 17 bytecode. Now all four say 24.
24 rather than 25 because 25 is not reachable end to end. Kotlin 2.2.10 refuses
jvmTarget 25 outright -- "available targets are 1.8 ... 23, 24" -- so the app's
bytecode could never have joined a 25 toolchain, and "everything on the same
version" would have stayed false in the one place it is hardest to notice. 24 is
the highest number all four can actually hold. Checked, not assumed: D8 dexes
Java 24 class files, and R8 full mode minifies them, so the shipped artifact
builds on this too.
Floating where floating is native:
- java-version: '24' -- setup-java resolves the newest 24.x at run time.
- toolchainVersion=24 -- Gradle reports it as "Compatible with Java 24, any
vendor", and provisions whatever 24.x it finds or downloads.
The Gradle wrapper deliberately does NOT float, because it cannot: distributionUrl
names one archive and distributionSha256Sum is the checksum of that exact file.
That pairing is the wrapper's integrity check, and it is the same reasoning the
workflows already apply to action SHAs. Set via `./gradlew wrapper`, not by hand,
so the checksum matches the URL.
Dependencies were audited against Google Maven and Maven Central rather than
guessed at, and almost everything was already current: AGP, the Compose BOM,
core-ktx, activity, lifecycle, navigation, work, datastore, media3, room,
documentfile, annotation, espresso, androidx-junit, junit and ktlint are all at
their newest stable. Only two had moved -- detekt to 2.0.0-alpha.6 and JaCoCo to
0.8.15 -- and both are here.
Kotlin stays at 2.2.10 and that is now recorded as a verified fact rather than a
warning: the AGP 9.3.1 POM declares kotlin-gradle-plugin 2.2.10 at runtime scope,
which is what AGP's built-in Kotlin actually compiles with. Android lint suggests
2.4.10 and taking that suggestion breaks the build unless KGP is also forced onto
the root buildscript classpath. agp, kotlin and ksp move together or not at all.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
Claude Opus 5
@@ -29,7 +29,7 @@ jobs:
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- uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
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with:
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distribution: temurin
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java-version: '17' # AGP 9 requires JDK 17
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java-version: '24' # Matches the daemon JVM pinned in gradle/gradle-daemon-jvm.properties
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# Gradle runs through the committed wrapper rather than a setup action. The
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# wrapper verifies its own distribution against distributionSha256Sum, and
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@@ -66,7 +66,7 @@ jobs:
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- uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
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with:
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distribution: temurin
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java-version: '17'
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java-version: '24'
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- uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
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with:
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@@ -80,7 +80,7 @@ jobs:
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- uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
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with:
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distribution: temurin
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java-version: '17' # AGP 9 will not run on anything older
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java-version: '24' # Matches the daemon JVM pinned in gradle/gradle-daemon-jvm.properties
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# Gradle is invoked through the committed wrapper rather than a setup action.
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# The wrapper verifies its own distribution against distributionSha256Sum, and
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@@ -140,7 +140,7 @@ jobs:
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- uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
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with:
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distribution: temurin
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java-version: '17'
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java-version: '24'
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- uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
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with:
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@@ -209,7 +209,7 @@ jobs:
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- uses: actions/setup-java@b6effb05e454b25005698d916606bdc6ffcbf961 # v5.7.0
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with:
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distribution: temurin
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java-version: '17'
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java-version: '24'
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- uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
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with:
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Generated
+1
-1
@@ -1,7 +1,7 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="ExternalStorageConfigurationManager" enabled="true" />
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<component name="ProjectRootManager" version="2" languageLevel="JDK_25" default="true" project-jdk-name="temurin-25" project-jdk-type="JavaSDK">
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<component name="ProjectRootManager" version="2" languageLevel="JDK_24" default="true" project-jdk-name="temurin-24" project-jdk-type="JavaSDK">
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<output url="file://$PROJECT_DIR$/build/classes" />
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</component>
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<component name="ProjectType">
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@@ -69,8 +69,8 @@ android {
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}
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compileOptions {
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sourceCompatibility = JavaVersion.VERSION_17
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targetCompatibility = JavaVersion.VERSION_17
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sourceCompatibility = JavaVersion.VERSION_24
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targetCompatibility = JavaVersion.VERSION_24
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}
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lint {
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@@ -1,12 +1,12 @@
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#This file is generated by updateDaemonJvm
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toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/cf726b4a1c84b50457225f9bba6d7650/redirect
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toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/fa1e318c287360478e3c83a9a3ef1007/redirect
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toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/cf726b4a1c84b50457225f9bba6d7650/redirect
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toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/fa1e318c287360478e3c83a9a3ef1007/redirect
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toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/c2dd35c9d0aaf0ba6ad0791320f99dfc/redirect
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toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/e5810bd7fd1f8a586644409d395a7e55/redirect
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toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/cf726b4a1c84b50457225f9bba6d7650/redirect
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toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/fa1e318c287360478e3c83a9a3ef1007/redirect
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toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/7b3c4877c0749019e6805bb61e421497/redirect
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toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/d76df094a9cbbabd3b08251f9e61444a/redirect
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toolchainVersion=25
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toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/6d0adbce30460017fe61d2993dfa663e/redirect
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toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/50f16d2dc2bb80a421afc1af38fc92e3/redirect
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toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/6d0adbce30460017fe61d2993dfa663e/redirect
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toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/50f16d2dc2bb80a421afc1af38fc92e3/redirect
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toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/4f4ebe4f162f6deb29540c4ebe629d79/redirect
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toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/79d5995ef1c3e4df39a3b2f545cada5e/redirect
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toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/6d0adbce30460017fe61d2993dfa663e/redirect
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toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/50f16d2dc2bb80a421afc1af38fc92e3/redirect
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toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/826893cbcf0f86d8eb0975e2fb0788f7/redirect
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toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/61fdd87038cf8b094dadad8566609a29/redirect
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toolchainVersion=24
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@@ -3,6 +3,10 @@
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# NOTE: AGP 9 has BUILT-IN Kotlin support. Applying org.jetbrains.kotlin.android
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# FAILS the build. AGP 9.3.1 brings kotlin-gradle-plugin 2.2.10 transitively, so the
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# Compose compiler plugin below must match that version, not the newest Kotlin release.
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# Verified against the AGP 9.3.1 POM, which declares kotlin-gradle-plugin 2.2.10 at
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# runtime scope. Kotlin 2.4.10 exists and Android lint will suggest it -- taking that
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# suggestion breaks the build unless KGP is ALSO forced onto the root buildscript
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# classpath. These three move together or not at all; none of them may float.
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agp = "9.3.1"
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kotlin = "2.2.10"
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ksp = "2.3.11"
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@@ -31,10 +35,10 @@ smartException = "0.2.1"
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# detekt 2.0 is the only line with Gradle 9 support -- stable 1.23.x tops out at
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# Gradle 8.12, and this project is on 9.5.
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ktlint = "14.2.0"
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detekt = "2.0.0-alpha.5"
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detekt = "2.0.0-alpha.6"
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# JaCoCo coverage agent. Pinned rather than inheriting whatever Gradle 9.5 bundles,
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# so the agent version that reads Kotlin 2.2.10 bytecode is stated, not implied.
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jacoco = "0.8.13"
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jacoco = "0.8.15"
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[libraries]
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androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
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Vendored
BIN
Binary file not shown.
+4
-3
@@ -1,9 +1,10 @@
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#Wed Aug 19 15:18:44 CDT 2026
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distributionBase=GRADLE_USER_HOME
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distributionPath=wrapper/dists
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distributionSha256Sum=553c78f50dafcd54d65b9a444649057857469edf836431389695608536d6b746
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distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.0-bin.zip
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distributionSha256Sum=acd53f1edaf02f1a8ff99879f8a34b302661a057d9b063ae9e35b552f804d20a
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distributionUrl=https\://services.gradle.org/distributions/gradle-9.7.1-bin.zip
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networkTimeout=10000
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retries=0
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retryBackOffMs=500
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validateDistributionUrl=true
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zipStoreBase=GRADLE_USER_HOME
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zipStorePath=wrapper/dists
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@@ -57,7 +57,7 @@
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# Darwin, MinGW, and NonStop.
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#
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# (3) This script is generated from the Groovy template
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# https://github.com/gradle/gradle/blob/HEAD/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
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# https://github.com/gradle/gradle/blob/3d91ce3b8caaf77ad09f381f43615b715b53f72c/platforms/jvm/plugins-application/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
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# within the Gradle project.
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#
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# You can find Gradle at https://github.com/gradle/gradle/.
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@@ -114,7 +114,6 @@ case "$( uname )" in #(
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NONSTOP* ) nonstop=true ;;
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esac
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CLASSPATH="\\\"\\\""
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# Determine the Java command to use to start the JVM.
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@@ -172,7 +171,6 @@ fi
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# For Cygwin or MSYS, switch paths to Windows format before running java
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if "$cygwin" || "$msys" ; then
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APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
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CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
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JAVACMD=$( cygpath --unix "$JAVACMD" )
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@@ -212,7 +210,6 @@ DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
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set -- \
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"-Dorg.gradle.appname=$APP_BASE_NAME" \
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-classpath "$CLASSPATH" \
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-jar "$APP_HOME/gradle/wrapper/gradle-wrapper.jar" \
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"$@"
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Vendored
+10
-22
@@ -23,8 +23,8 @@
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@rem
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@rem ##########################################################################
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@rem Set local scope for the variables with windows NT shell
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if "%OS%"=="Windows_NT" setlocal
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@rem Set local scope for the variables, and ensure extensions are enabled
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setlocal EnableExtensions
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set DIRNAME=%~dp0
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if "%DIRNAME%"=="" set DIRNAME=.
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@@ -51,7 +51,7 @@ echo. 1>&2
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echo Please set the JAVA_HOME variable in your environment to match the 1>&2
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echo location of your Java installation. 1>&2
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goto fail
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"%COMSPEC%" /c exit 1
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:findJavaFromJavaHome
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set JAVA_HOME=%JAVA_HOME:"=%
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@@ -65,30 +65,18 @@ echo. 1>&2
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echo Please set the JAVA_HOME variable in your environment to match the 1>&2
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echo location of your Java installation. 1>&2
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goto fail
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"%COMSPEC%" /c exit 1
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:execute
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@rem Setup the command line
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set CLASSPATH=
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@rem Execute Gradle
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"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %*
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@rem endlocal doesn't take effect until after the line is parsed and variables are expanded
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@rem which allows us to clear the local environment before executing the java command
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endlocal & "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -jar "%APP_HOME%\gradle\wrapper\gradle-wrapper.jar" %* & call :exitWithErrorLevel
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:end
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@rem End local scope for the variables with windows NT shell
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if %ERRORLEVEL% equ 0 goto mainEnd
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:fail
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rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
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rem the _cmd.exe /c_ return code!
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set EXIT_CODE=%ERRORLEVEL%
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if %EXIT_CODE% equ 0 set EXIT_CODE=1
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if not ""=="%GRADLE_EXIT_CONSOLE%" exit %EXIT_CODE%
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exit /b %EXIT_CODE%
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:mainEnd
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if "%OS%"=="Windows_NT" endlocal
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:omega
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:exitWithErrorLevel
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@rem Use "%COMSPEC%" /c exit to allow operators to work properly in scripts
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"%COMSPEC%" /c exit %ERRORLEVEL%
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Reference in New Issue
Block a user