chuan
6438b77133
start /b 派生的进程会继承 Claude 传给 hook 的 stdout 管道句柄，curl 攥着不放 导致 Claude 读不到 EOF、直到下载完才放行（hook 被卡住）。改用 powershell Start-Process 启动下载，它默认不继承父进程句柄，hook 立即返回、下载后台继续。
67 lines
3.1 KiB
Batchfile
67 lines
3.1 KiB
Batchfile
@echo off
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rem ============================================================
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rem Download URL (notify.exe is fetched from here on first run) -- edit as needed
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set "DOWNLOAD_URL=https://git.pchuan.top/cc-tools/notify/releases/download/v1.0.0/notify.exe"
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rem ============================================================
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setlocal
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set "BIN=%~dp0..\bin"
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set "EXE=%BIN%\notify.exe"
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set "PART=%BIN%\notify.exe.partial"
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set "LOCK=%BIN%\notify.download.lock"
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rem hidden self-reinvocation: detached background downloader (see :downloader)
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if "%~1"=="__download" goto downloader
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rem common path: exe present -> run directly (keeps piped stdin intact)
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if exist "%EXE%" (
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"%EXE%" %*
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endlocal & exit /b
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)
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rem ---- exe missing: never block the hook ----
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rem kick off the download once (atomic mkdir lock); a detached worker survives the
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rem hook timeout. then report progress to Claude and return immediately.
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if not exist "%BIN%" mkdir "%BIN%" 2>nul
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rem self-heal: if a previous worker was hard-killed (shutdown/crash) it may leave a
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rem stale lock that blocks all retries. reclaim it so -C - can resume the .partial.
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if exist "%LOCK%" call :reclaim
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rem atomic lock: only the first hook spawns the worker; others fall through and just
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rem report progress -> no duplicate downloads even when hooks fire concurrently.
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rem
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rem must use Start-Process (not `start /b`): a child started by cmd inherits the
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rem hook's stdout pipe handle, so Claude won't see EOF until the download ends ->
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rem the hook would block. Start-Process spawns WITHOUT inheriting handles, so the
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rem hook returns immediately while curl keeps running detached.
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mkdir "%LOCK%" 2>nul && powershell -nop -w hidden -c "Start-Process -WindowStyle Hidden -FilePath '%~f0' -ArgumentList '__download'" >nul 2>&1
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rem downloaded size so far (from the .partial file), shown as X.X MB
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set "DLBYTES=0"
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if exist "%PART%" for %%A in ("%PART%") do set "DLBYTES=%%~zA"
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set /a DLKB=DLBYTES/1024
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set /a DLMB=DLKB/1024
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set /a DLF=(DLKB*10/1024)%%10
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rem exit 0 so Claude parses this JSON; systemMessage is shown to the user, the
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rem notification itself is skipped this time (suppressOutput hides raw stdout)
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echo {"suppressOutput":true,"systemMessage":"[Claude Code Notify] notifier not ready, downloading in background: %DLMB%.%DLF% MB / ~14 MB done. Works automatically once finished; this notification is skipped."}
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endlocal & exit /b 0
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:downloader
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rem detached worker: resume-capable download (-C -), atomic install, always free lock.
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rem if curl fails (slow/flaky net), the .partial is kept and the next hook resumes it.
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curl -fsSL -C - "%DOWNLOAD_URL%" -o "%PART%"
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if not errorlevel 1 move /y "%PART%" "%EXE%" >nul 2>&1
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rmdir "%LOCK%" 2>nul
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endlocal & exit /b
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:reclaim
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rem no .partial yet => worker died before downloading anything; reclaim immediately
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if not exist "%PART%" ( rmdir "%LOCK%" 2>nul & goto :eof )
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rem .partial idle for >120s => worker is dead (a live curl writes continuously); reclaim
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for /f "delims=" %%T in ('powershell -nop -c "[int]((Get-Date)-(Get-Item '%PART%').LastWriteTime).TotalSeconds" 2^>nul') do set "IDLE=%%T"
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if not defined IDLE goto :eof
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if %IDLE% geq 120 rmdir "%LOCK%" 2>nul
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goto :eof
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