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·59 lines (52 loc) · 2.16 KB
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#!/bin/bash
set -e
RELEASE=1.9
JAR_NAME="google-java-format-${RELEASE}-all-deps.jar"
RELEASES_URL=https://github.com/google/google-java-format/releases/download
JAR_URL="${RELEASES_URL}/google-java-format-${RELEASE}/${JAR_NAME}"
CACHE_DIR="$HOME/.cache/google-java-format-git-pre-commit-hook"
JAR_FILE="$CACHE_DIR/$JAR_NAME"
JAR_DOWNLOAD_FILE="${JAR_FILE}.tmp"
JAR_PGP_ASC_FILE="${JAR_FILE}.asc"
PGP_SIGN_KEY_ID=E77417AC194160A3FABD04969A259C7EE636C5ED
if [[ ! -f "$JAR_FILE" ]]
then
mkdir -p "$CACHE_DIR"
curl -L "$JAR_URL" -o "$JAR_DOWNLOAD_FILE"
# https://repo1.maven.org/maven2/com/google/googlejavaformat/google-java-format/1.9/google-java-format-1.9-all-deps.jar.asc
cat >"$JAR_PGP_ASC_FILE" <<EOF
-----BEGIN PGP SIGNATURE-----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=ktw0
-----END PGP SIGNATURE-----
EOF
if ! gpg --list-keys "$PGP_SIGN_KEY_ID"
then
gpg --keyserver hkp://pgp.mit.edu --recv-key "$PGP_SIGN_KEY_ID"
fi
gpg --verify "$JAR_PGP_ASC_FILE" "$JAR_DOWNLOAD_FILE"
mv "$JAR_DOWNLOAD_FILE" "$JAR_FILE"
fi
changed_java_files=$(git diff --cached --name-only --diff-filter=ACMR | grep ".*java$" || true)
if [[ -n "$changed_java_files" ]]
then
echo "Reformatting Java files: $changed_java_files"
if ! java -jar "$JAR_FILE" --replace --set-exit-if-changed $changed_java_files
then
echo "Some files were changed, aborting commit!" >&2
exit 1
fi
else
echo "No Java files changes found."
fi