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CI: create the WOW64 junctions in the workflow instead of by hand #15

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jknapp merged 1 commits from ci/wow64-junction-in-workflow into main 2026-08-10 15:00:25 +00:00
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.gitea/workflows/build-app.yml
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@@ -395,6 +395,39 @@ jobs:
)
endlocal
- name: Work around WOW64 redirection for 32-bit bundlers
shell: cmd
run: |
rem Tauri downloads its bundlers - candle.exe, light.exe and
rem makensis.exe - and every one of them is 32-bit. When the runner
rem runs as SYSTEM its %LOCALAPPDATA% is under
rem C:\Windows\System32\config\systemprofile, and WOW64 redirection
rem serves any 32-bit process reading System32 from SysWOW64 instead -
rem where those directories do not exist. The bundlers then cannot see
rem their own folder: candle exits 0x80131700 and makensis reports
rem "Unable to start child process, error 0x2". Tauri surfaces neither,
rem only "failed to run candle.exe", which is why this is worth a
rem comment this long.
rem
rem Junctioning the SysWOW64 view onto the System32 originals makes the
rem redirected path resolve to the same files. A runner running as a
rem normal user has a profile outside System32 and skips all of this.
echo.%LOCALAPPDATA%| find /I "\system32\" >nul
if errorlevel 1 goto skipwow
if not exist "%WINDIR%\System32\config\systemprofile\AppData\Local\tauri" mkdir "%WINDIR%\System32\config\systemprofile\AppData\Local\tauri"
if not exist "%WINDIR%\SysWOW64\config\systemprofile\AppData\Local" mkdir "%WINDIR%\SysWOW64\config\systemprofile\AppData\Local"
if not exist "%WINDIR%\SysWOW64\config\systemprofile\AppData\Local\tauri" mklink /J "%WINDIR%\SysWOW64\config\systemprofile\AppData\Local\tauri" "%WINDIR%\System32\config\systemprofile\AppData\Local\tauri"
if not exist "%WINDIR%\System32\config\systemprofile\.cache" mkdir "%WINDIR%\System32\config\systemprofile\.cache"
if not exist "%WINDIR%\SysWOW64\config\systemprofile\.cache" mklink /J "%WINDIR%\SysWOW64\config\systemprofile\.cache" "%WINDIR%\System32\config\systemprofile\.cache"
echo WOW64 junctions in place for the SYSTEM profile
goto :eof
:skipwow
echo Runner profile is outside System32 - WOW64 junctions not needed
- name: Install Rust stable
run: |
where rustup >nul 2>&1 && (