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kotlin_and_java_diff_precommit_hook
#!/bin/bash
# Setting up guide http://dmitrysamoylenko.com/2020/12/06/configure_lints.html
# https://github.com/checkstyle/checkstyle
# https://github.com/pinterest/ktlint
# https://github.com/detekt/detekt
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ]; then
if [ -x "$JAVA_HOME/jre/sh/java" ]; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ]; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
GIT_ROOT_DIR=$(git rev-parse --show-toplevel)
cd ${GIT_ROOT_DIR}
#echo ${GIT_ROOT_DIR}
f=()
while read line; do
if [ -n "$line" ]; then
if [[ "$line" =~ .*"/build/".* ]]; then
true #skip generated code
else
f+=("$line")
fi
fi
done <<<"$(git diff --diff-filter=d --staged --name-only)"
filesJava=""
filesKt=""
countJava=0
countKt=0
for i in "${!f[@]}"; do
if [[ "${f[i]}" == *.java ]]; then
filesJava+=" ${f[i]}"
countJava=$((countJava + 1))
fi
if [[ "${f[i]}" == *.kt ]]; then
filesKt+=" ${f[i]}"
countKt=$((countKt + 1))
fi
done
for i in "${!f[@]}"; do
if [[ "${f[i]}" =~ .*.(java|kt)$ ]]; then
lineNum=0
while IFS= read line; do
if [ -n "$line" ]; then
lineNum=$((lineNum+1))
if [[ "$line" =~ ^\ +[^\*].* ]]; then
echo "Line starts with spaces. Please apply project code style. File: ${f[i]}:$lineNum, line: $line"
exit 1
elif [[ "$line" =~ .*oleg.*|.*xoxoxo.* ]]; then
echo "forbidden word in line. File: ${f[i]}:$lineNum, line: $line"
exit 1
else
true #skip good code
fi
fi
done < "${f[i]}"
fi
done
if [ ${#filesJava} -eq 0 ]; then
echo "No *.java files to check."
else
configloc=-Dconfig_loc=${GIT_ROOT_DIR}/ivi/config/checkstyle
config=${GIT_ROOT_DIR}/ivi/config/checkstyle/checkstyle.xml
params="${configloc} -jar ${GIT_ROOT_DIR}/githooks/checkstyle-8.38-all.jar -c ${config}${filesJava}"
${JAVACMD} $params
result=$?
if [ $result -ne 0 ]; then
echo "Please fix the checkstyle problems before submit the commit!"
exit $result
else
echo "#java files: $countJava"
fi
fi
if [ ${#filesKt} -eq 0 ]; then
echo "No *.kt files to check."
exit 0
fi
# ktlint check
git diff --diff-filter=d --staged --name-only | grep '\.kt[s"]\?$' | xargs ./ktlint .
result=$?
if [ $result -ne 0 ]; then
echo "Please fix the ktlint problems before submit the commit!"
exit $result
fi
#detekt check
check_by_detekt() {
arg=$1
files=${arg%?}
if [ ${#files} -eq 0 ]; then
true #skip
else
params="--fail-fast --config default-detekt-config.yml --input ${files}"
./detekt ${params}
result=$?
if [ $result -ne 0 ]; then
echo "Please fix the detekt problems before submit the commit!"
exit $result
fi
fi
}
count=0
filesd=""
for i in "${!f[@]}"; do
if [[ "${f[i]}" == *.kt ]]; then
filesd+="${f[i]},"
count=$((count + 1))
# split into batches
if [ $count -gt 1000 ]; then
check_by_detekt $filesd
count=0
filesd=""
fi
fi
done
check_by_detekt $filesd
echo "# kt files: $count"
exit 0
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