PrePush: Add a pre-push warning before committing to locked branches

libraries/tools/kotlin-prepush-hook/pre-push.sh

@@ -0,0 +1,61 @@
+#!/bin/sh
+
+targetRepo="$2"
+
+remoteRefs=""
+
+javacPath="$JAVA_HOME/bin/javac"
+javaPath="$JAVA_HOME/bin/java"
+
+if [ -f "~/.kotlin-deactivate-prepush-hook" ]; then
+    echo "Pre-commit hook is deactivated"
+    exit 0
+fi
+
+if [ ! -f "./libraries/tools/kotlin-prepush-hook/src/KotlinPrePushHook.java" ]; then
+    echo "Pre-commit hook .java file was not found in current branch, pre-push hook is disabled"
+    exit 0
+fi
+
+if [ ! -f "$javaPath" ]; then
+    echo "'java' ($javaPath) was not found, pre-push hook is disabled"
+    exit 0
+fi
+
+if [ ! -f "$javacPath" ]; then
+    echo "'javac' ($javacPath) was not found, pre-push hook is disabled"
+    exit 0
+fi
+
+while read localRef localSha remoteRef remoteSha
+do
+    # Looks like there're no [[ in Ubuntu by default
+    if [ "$remoteRef" = "refs/heads/rr/"* ]; then
+        continue
+    fi
+
+    if [ "$remoteRef" = "refs/heads/rrr/"* ]; then
+        continue
+    fi
+
+    if [ -z $remoteRefs ]; then
+        remoteRefs="$remoteRef"
+    else
+        remoteRefs="$remoteRefs,$remoteRef"
+    fi
+done
+
+if [ -z "$remoteRefs" ]; then
+    exit 0
+fi
+
+mkdir -p ./build/prePushHook
+"$javacPath" -d ./build/prePushHook ./libraries/tools/kotlin-prepush-hook/src/KotlinPrePushHook.java
+cd ./build/prePushHook
+
+"$javaPath" KotlinPrePushHook "$remoteRefs" "$targetRepo"
+returnCode=$?
+
+cd ../..
+
+exit $returnCode