6.7.0 - Alpha12 - 新增 Gradle 切换工具 (gradle-wrapper-switcher), 用于切换本地 Gradle 主版本
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SuperMonster003
161
gradle/gradle-wrapper-switcher
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161
gradle/gradle-wrapper-switcher
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#!/usr/bin/env bash
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set -euo pipefail
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# Repo root = directory where this script lives
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ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
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WRAPPERS_DIR="$ROOT_DIR/gradle/wrappers"
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BACKUP_ROOT="$WRAPPERS_DIR/backup"
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# Parse Gradle version from gradle-wrapper.properties (distributionUrl)
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extract_version() {
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local props="$1"
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local url
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url="$(grep -E '^\s*distributionUrl=' "$props" | head -n 1 | cut -d= -f2- || true)"
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# Match: gradle-9.2.1-bin.zip / gradle-8.14.3-all.zip / gradle-9.0-rc-1-bin.zip
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if [[ "$url" =~ gradle-([0-9A-Za-z.\-]+)-(bin|all)\.zip ]]; then
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echo "${BASH_REMATCH[1]}"
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else
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echo "unknown"
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fi
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}
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major_of() {
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local v="$1"
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# major = digits before first dot or dash
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if [[ "$v" =~ ^([0-9]+) ]]; then
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echo "${BASH_REMATCH[1]}"
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else
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echo "0"
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fi
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}
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list_wrappers() {
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shopt -s nullglob
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local d
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for d in "$WRAPPERS_DIR"/g[0-9]*; do
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[[ -d "$d" ]] || continue
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local name
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name="$(basename "$d")"
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[[ "$name" =~ ^g[0-9]+$ ]] || continue
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local props="$d/gradle/wrapper/gradle-wrapper.properties"
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local jar="$d/gradle/wrapper/gradle-wrapper.jar"
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local sh="$d/gradlew"
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local bat="$d/gradlew.bat"
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[[ -f "$props" && -f "$jar" && -f "$sh" && -f "$bat" ]] || continue
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local ver major
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ver="$(extract_version "$props")"
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major="$(major_of "$ver")"
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printf "%s|%s|%s\n" "$name" "$major" "$ver"
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done | sort -t'|' -k2,2n
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}
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backup_current() {
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mkdir -p "$BACKUP_ROOT"
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local stamp
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stamp="$(date +%Y%m%d-%H%M%S)"
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local dest="$BACKUP_ROOT/$stamp"
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mkdir -p "$dest/gradle/wrapper"
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# Backup only if exists
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[[ -f "$ROOT_DIR/gradlew" ]] && cp -f "$ROOT_DIR/gradlew" "$dest/" || true
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[[ -f "$ROOT_DIR/gradlew.bat" ]] && cp -f "$ROOT_DIR/gradlew.bat" "$dest/" || true
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[[ -f "$ROOT_DIR/gradle/wrapper/gradle-wrapper.jar" ]] && cp -f "$ROOT_DIR/gradle/wrapper/gradle-wrapper.jar" "$dest/gradle/wrapper/" || true
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[[ -f "$ROOT_DIR/gradle/wrapper/gradle-wrapper.properties" ]] && cp -f "$ROOT_DIR/gradle/wrapper/gradle-wrapper.properties" "$dest/gradle/wrapper/" || true
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echo "Backed up current wrapper to: $dest"
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# Cleanup old backups (keep last 10)
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local backups
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mapfile -t backups < <(ls -1dt "$BACKUP_ROOT"/*/ 2>/dev/null)
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if [[ ${#backups[@]} -gt 10 ]]; then
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local i
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for ((i=10; i<${#backups[@]}; i++)); do
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rm -rf "${backups[$i]}"
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done
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echo "Deleted $(( ${#backups[@]} - 10 )) old backup(s)."
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fi
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}
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apply_wrapper() {
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local wrapper_dir="$1"
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# Try to stop current Gradle daemon (best-effort)
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if [[ -x "$ROOT_DIR/gradlew" ]]; then
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"$ROOT_DIR/gradlew" --stop >/dev/null 2>&1 || true
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fi
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backup_current
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mkdir -p "$ROOT_DIR/gradle/wrapper"
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cp -f "$wrapper_dir/gradlew" "$ROOT_DIR/gradlew"
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cp -f "$wrapper_dir/gradlew.bat" "$ROOT_DIR/gradlew.bat"
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cp -f "$wrapper_dir/gradle/wrapper/gradle-wrapper.jar" "$ROOT_DIR/gradle/wrapper/gradle-wrapper.jar"
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cp -f "$wrapper_dir/gradle/wrapper/gradle-wrapper.properties" "$ROOT_DIR/gradle/wrapper/gradle-wrapper.properties"
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chmod +x "$ROOT_DIR/gradlew" || true
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}
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usage() {
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cat <<EOF
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Usage:
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./gradle-wrapper-switcher # interactive menu
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./gradle-wrapper-switcher --use g9 # switch to a specific wrapper directory
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./gradle-wrapper-switcher --list # list detected wrappers
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EOF
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}
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main() {
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[[ -d "$WRAPPERS_DIR" ]] || { echo "Wrappers directory not found: $WRAPPERS_DIR"; exit 1; }
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if [[ "${1:-}" == "--list" ]]; then
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list_wrappers | while IFS='|' read -r name major ver; do
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echo "$name -> Gradle $major.x ($ver)"
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done
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exit 0
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fi
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if [[ "${1:-}" == "--use" ]]; then
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local target="${2:-}"
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[[ -n "$target" ]] || { usage; exit 1; }
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local dir="$WRAPPERS_DIR/$target"
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[[ -d "$dir" ]] || { echo "Wrapper not found: $dir"; exit 1; }
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apply_wrapper "$dir"
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local ver major
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ver="$(extract_version "$dir/gradle/wrapper/gradle-wrapper.properties")"
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major="$(major_of "$ver")"
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echo "Switched to: Gradle $major.x ($ver) from $target"
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echo "Tip: In IntelliJ IDEA or Android Studio, use \"Reload All Gradle Projects\" if needed."
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exit 0
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fi
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# interactive
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mapfile -t items < <(list_wrappers)
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[[ "${#items[@]}" -gt 0 ]] || { echo "No valid wrappers found under: $WRAPPERS_DIR"; exit 1; }
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echo "Please choose the Gradle version to switch to:"
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local i=1
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local names=()
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local line name major ver
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for line in "${items[@]}"; do
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IFS='|' read -r name major ver <<<"$line"
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names+=("$name")
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echo "$i. Gradle ${major}.x (Pinned version: $ver)"
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i=$((i+1))
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done
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echo -n "> "
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read -r choice
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[[ "$choice" =~ ^[0-9]+$ ]] || { echo "Invalid selection."; exit 1; }
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(( choice>=1 && choice<=${#names[@]} )) || { echo "Out of range."; exit 1; }
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local picked="${names[$((choice-1))]}"
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apply_wrapper "$WRAPPERS_DIR/$picked"
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local picked_ver
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picked_ver="$(extract_version "$WRAPPERS_DIR/$picked/gradle/wrapper/gradle-wrapper.properties")"
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echo "Switched to: Gradle ${picked//[^0-9]/}.x (Pinned version: $picked_ver)"
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echo "Tip: In IntelliJ IDEA or Android Studio, use \"Reload All Gradle Projects\" if needed."
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}
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main "$@"
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