Lotus CIandClaude Opus 5.5
4648c8ccc7
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The updater launches the NSIS installer with /UPDATE and then exits the
app, but a WebView2 app takes a moment to die and the template only
sleeps 500 ms after its own kill before copying — so the copy raced the
old process ("Error opening file for writing: cinny.exe"), and Ignore
left the old exe in place.
A NSIS_HOOK_PREINSTALL now, on /UPDATE only, polls until cinny.exe can
really be opened for writing (every 250 ms, up to 15 s), then lets the
template carry on. Checked under Wine with a real running exe: without
the hook the copy fails; with it the installer waits out the remaining
~2.8 s and copies; a manual install (no /UPDATE) doesn't wait; a stuck
process hits the 15 s cap and falls through to the template's own
running-app handling.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PPmy3tPq869XDW4njjVaKA
36 lines
1.2 KiB
NSIS
36 lines
1.2 KiB
NSIS
; Lotus Chat NSIS installer hooks (tauri.conf.json → bundle.windows.nsis.installerHooks).
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; cinny-desktop #1 — auto-update hit "Error opening file for writing: cinny.exe".
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; The updater launches this installer with /UPDATE and then exits the running
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; app, but a WebView2 app takes a moment to die; the template only sleeps 500 ms
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; after its own kill before copying files, so the copy raced the old process and
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; Ignore left the old exe in place. On an update, wait until the exe can really
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; be opened for writing (up to 15 s), then let the template carry on as usual.
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!macro NSIS_HOOK_PREINSTALL
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Push $R7
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Push $R8
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Push $R9
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ClearErrors
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${GetOptions} $CMDLINE "/UPDATE" $R7
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IfErrors lotus_exe_ready
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IfFileExists "$INSTDIR\${MAINBINARYNAME}.exe" 0 lotus_exe_ready
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StrCpy $R9 0
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lotus_exe_probe:
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ClearErrors
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FileOpen $R8 "$INSTDIR\${MAINBINARYNAME}.exe" a
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IfErrors lotus_exe_locked
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FileClose $R8
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Goto lotus_exe_ready
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lotus_exe_locked:
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IntOp $R9 $R9 + 1
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; 60 × 250 ms = 15 s; past that fall through to the template's own
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; running-app handling rather than hang the update.
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IntCmp $R9 60 lotus_exe_ready 0 lotus_exe_ready
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Sleep 250
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Goto lotus_exe_probe
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lotus_exe_ready:
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Pop $R9
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Pop $R8
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Pop $R7
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!macroend
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