build.sh improvements

Upgrade Gradle to 6.8.2.
Upgrade Corretto to 15.
Use variables to deduplicate things.
Replace mkdir before tar with --one-top-level.
Shorten unzip -q -d to -qd.
Always run tests with CI.
Add popd.

build.sh

@@ -1,49 +1,60 @@
 #!/bin/bash -e
+
+export CORRETTO_ARCHIVE=amazon-corretto-15-x64-linux-jdk.tar.gz
+export CORRETTO_URL=https://corretto.aws/downloads/latest/${CORRETTO_ARCHIVE}
+export GHIDRA_VER=9.2.2_PUBLIC
+export GHIDRA_DATE=20201229
+export GHIDRA_ARCHIVE=ghidra_${GHIDRA_VER}_${GHIDRA_DATE}.zip
+export GHIDRA_URL=https://ghidra-sre.org/${GHIDRA_ARCHIVE}
+export GRADLE_ARCHIVE=gradle-6.8.2-bin.zip
+export GRADLE_URL=https://services.gradle.org/distributions/${GRADLE_ARCHIVE}
+export XBSYMBOLDATABASE_ARCHIVE=XbSymbolDatabase.zip
+export XBSYMBOLDATABASE_URL=https://github.com/Cxbx-Reloaded/XbSymbolDatabase/releases/latest/download/${XBSYMBOLDATABASE_ARCHIVE}
+declare -a URLS=(
+	$CORRETTO_URL
+	$GHIDRA_URL
+	$GRADLE_URL
+	$XBSYMBOLDATABASE_URL
+)
+
 pushd /tmp
 
 echo "[*] Downloading files..."
-cat <<EOF > urls.txt
-https://corretto.aws/downloads/latest/amazon-corretto-11-x64-linux-jdk.tar.gz
-https://services.gradle.org/distributions/gradle-5.0-bin.zip
-https://ghidra-sre.org/ghidra_9.2.2_PUBLIC_20201229.zip
-https://github.com/Cxbx-Reloaded/XbSymbolDatabase/releases/latest/download/XbSymbolDatabase.zip
-EOF
-cat urls.txt | xargs -n 1 -P 10 wget --no-verbose
+echo ${URLS[@]} | xargs -n 1 -P ${#URLS[@]} wget -nv
 
 echo "[*] Extracting JDK..."
-mkdir -p jdk
-tar --strip-components=1 -C jdk --extract -f amazon-corretto-11-x64-linux-jdk.tar.gz
+tar --strip-components=1 --one-top-level=jdk -xf ${CORRETTO_ARCHIVE}
 export JAVA_HOME=$PWD/jdk
 export PATH=$JAVA_HOME/bin:$PATH
 
 echo "[*] Extracting Gradle..."
-unzip -q gradle-5.0-bin.zip
-export PATH=$PWD/gradle-5.0/bin:$PATH
+unzip -q ${GRADLE_ARCHIVE}
+export PATH=$PWD/gradle-${GRADLE_VER}/bin:$PATH
 
 echo "[*] Extracting Ghidra..."
-unzip -q ghidra_9.2.2_PUBLIC_20201229.zip
-export GHIDRA_INSTALL_DIR=$PWD/ghidra_9.2.2_PUBLIC
+unzip -q ${GHIDRA_ARCHIVE}
+export GHIDRA_INSTALL_DIR=$PWD/ghidra_${GHIDRA_VER}
 
 echo "[*] Extracting XbSymbolDatabase..."
-unzip -q -d XbSymbolDatabase XbSymbolDatabase.zip
+unzip -qd XbSymbolDatabase ${XBSYMBOLDATABASE_ARCHIVE}
 export XBSYMBOLDATABASE=$PWD/XbSymbolDatabase
 
 popd # Back to source root
 
 # Copy XbSymbolDatabase into this source tree for redist
-cp $XBSYMBOLDATABASE/linux_x64/bin/XbSymbolDatabaseCLI      os/linux64/XbSymbolDatabaseTool
-cp $XBSYMBOLDATABASE/LICENSE                                os/linux64/XbSymbolDatabaseTool.LICENSE
-cp $XBSYMBOLDATABASE/macos_x64/bin/XbSymbolDatabaseCLI      os/osx64/XbSymbolDatabaseTool
-cp $XBSYMBOLDATABASE/LICENSE                                os/osx64/XbSymbolDatabaseTool.LICENSE
-cp $XBSYMBOLDATABASE/win_x64/bin/XbSymbolDatabaseCLI.exe    os/win64/XbSymbolDatabaseTool.exe
-cp $XBSYMBOLDATABASE/LICENSE                                os/win64/XbSymbolDatabaseTool.LICENSE
+cp $XBSYMBOLDATABASE/linux_x64/bin/XbSymbolDatabaseCLI	os/linux64/XbSymbolDatabaseTool
+cp $XBSYMBOLDATABASE/LICENSE					os/linux64/XbSymbolDatabaseTool.LICENSE
+cp $XBSYMBOLDATABASE/macos_x64/bin/XbSymbolDatabaseCLI	os/osx64/XbSymbolDatabaseTool
+cp $XBSYMBOLDATABASE/LICENSE					os/osx64/XbSymbolDatabaseTool.LICENSE
+cp $XBSYMBOLDATABASE/win_x64/bin/XbSymbolDatabaseCLI.exe	os/win64/XbSymbolDatabaseTool.exe
+cp $XBSYMBOLDATABASE/LICENSE					os/win64/XbSymbolDatabaseTool.LICENSE
 
 echo "[*] Building..."
 gradle -b build.gradle
 
-if [[ "$RUNTESTS" == "1" ]]; then
+if [[ "$RUNTESTS" == "1" || "$CI" == "true" ]]; then
 	echo "[*] Installing Extension..."
-	cp ./dist/*ghidra-xbe.zip $GHIDRA_INSTALL_DIR/Ghidra/Extensions
+	cp dist/*ghidra-xbe.zip $GHIDRA_INSTALL_DIR/Ghidra/Extensions
 	pushd $GHIDRA_INSTALL_DIR/Ghidra/Extensions
 	unzip *ghidra-xbe.zip
 	popd
@@ -57,6 +68,20 @@ if [[ "$RUNTESTS" == "1" ]]; then
 		echo "[-] Test FAILED"
 		exit 1
 	fi
+	popd
+fi
+
+if [[ "$CI" == "true" ]]; then
+	export BUILD_TAG=build-$(date -u +'%Y%m%d%H%M')
+	mkdir -p dist
+	echo -n $BUILD_TAG > dist/tag
+fi
+
+if [[ "$GITHUB_ACTIONS" == "true" ]]; then
+	echo "::set-output name=BUILD_TAG::$BUILD_TAG"
+	echo "::set-output name=GHIDRA_VER::$GHIDRA_VER"
+	echo "::set-output name=GHIDRA_ARCHIVE::$GHIDRA_ARCHIVE"
+	echo "::set-output name=GHIDRA_URL::$GHIDRA_URL"
 fi
 
 echo "[*] Done!"