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[Windows] Make process detection rely on an explicit PowerShell exit code

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This commit is contained in:
Lukas Brübach
2026-09-21 18:43:39 +02:00
committed by GitHub
parent 003c9b5cc0
commit af7909180f
1 changed files with 9 additions and 4 deletions
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13
cmake/NSIS.template.in
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@@ -225,12 +225,17 @@ FunctionEnd
; as accepted by Get-Process -Name), call this, result in $R0
; (1 = running from $INSTDIR, 0 = not running)
Function IsAppRunning
nsExec::ExecToLog 'powershell -NoProfile -Command "Get-Process -Name $\'$R2$\' -ErrorAction SilentlyContinue | Where-Object { $$_.Path -like $\'$INSTDIR\*$\' } | Select-Object -First 1"'
; Exit the process explicitly so nsExec's pop reflects whether a matching
; process was found: powershell.exe exits 0 whether or not the pipeline
; produced objects. Any other result (exit 1, or nsExec's "error" string
; when powershell itself cannot be started) is treated as "running" so the
; lock guard fails closed.
nsExec::ExecToLog 'powershell -NoProfile -Command "if (Get-Process -Name $\'$R2$\' -ErrorAction SilentlyContinue | Where-Object { $$_.Path -like $\'$INSTDIR\*$\' } | Select-Object -First 1) { exit 1 } else { exit 0 }"'
Pop $R0
${If} $R0 = 0
StrCpy $R0 1
${Else}
${If} $R0 == "0"
StrCpy $R0 0
${Else}
StrCpy $R0 1
${EndIf}
FunctionEnd