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packaging: make windows nsis installer run the uninstaller for previous install before installing

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Signed-off-by: Rachel Powers <508861+Ryex@users.noreply.github.com>
This commit is contained in:
Rachel Powers 2023-05-31 13:25:14 -07:00
parent 954d4d701a
commit 03b66ba7a5
1 changed files with 72 additions and 4 deletions
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76
program_info/win_install.nsi.in
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@ -12,6 +12,8 @@ OutFile "../@Launcher_CommonName@-Setup.exe"
!define MUI_ICON "../@Launcher_Branding_ICO@"
!define UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\@Launcher_CommonName@"
;--------------------------------
; Pages
@ -269,7 +271,74 @@ VIAddVersionKey /LANG=${LANG_ENGLISH} "ProductVersion" "@Launcher_VERSION_NAME4@
!macroend
;--------------------------------
;------------------------------------------
; Uninstall Previous install
!macro RunUninstall exitcode uninstcommand
Push `${uninstcommand}`
Call RunUninstall
Pop ${exitcode}
!macroend
; Checks that the uninstaller in the provided command exists and runs it.
Function RunUninstall
Exch $1 ; input uninstcommand
Push $2 ; Uninstaller
Push $3 ; Len
Push $4 ; uninstcommand
StrCpy $4 $1 ; make a copy of the command for later
StrCpy $3 ""
StrCpy $2 $1 1 ; take first char of string
StrCmp $2 '"' quoteloop stringloop
stringloop: ; get string length
StrCpy $2 $1 1 $3 ; get next char
IntOp $3 $3 + 1 ; index += 1
StrCmp $2 "" +2 stringloop; if empty exit loop
IntOp $3 $3 - 1 ; index -= 1
Goto run
quoteloop: ; get string length with quotes removed
StrCmp $3 "" 0 +2 ; if index is set skip quote removal
StrCpy $1 $1 "" 1 ; Remove initial quote
IntOp $3 $3 + 1 ; index += 1
StrCpy $2 $1 1 $3 ; get next char
StrCmp $2 "" +2 ; if empty exit loop
StrCmp $2 '"' 0 quoteloop ; if ending quote exit loop, else loop
run:
StrCpy $2 $1 $3 ; Path to uninstaller ; (copy string up to ending quote - if it exists)
StrCpy $1 161 ; ERROR_BAD_PATHNAME ; set exit code (it get's overwritten with uninstaller exit code if ExecWait call doesn't error)
GetFullPathName $3 "$2\.." ; $InstDir
IfFileExists "$2" 0 +4
ExecWait $4 $1 ; The file exists, call the saved command
IntCmp $1 0 "" +2 +2 ; Don't delete the installer if it was aborted ;
Delete "$2" ; Delete the uninstaller
RMDir "$3" ; Try to delete $InstDir
Pop $4
Pop $3
Pop $2
Exch $1 ; exitcode
FunctionEnd
; The "" makes the section hidden.
Section "" UninstallPrevious
ReadRegStr $0 HKCU "${UNINST_KEY}" "QuietUninstallString"
${If} $0 == ""
ReadRegStr $0 HKCU "${UNINST_KEY}" "UninstallString"
${EndIf}
${If} $0 != ""
${AndIf} ${Cmd} `MessageBox MB_YESNO|MB_ICONQUESTION "Uninstall previous version?" /SD IDYES IDYES`
!insertmacro RunUninstall $0 $0
${If} $0 <> 0
MessageBox MB_YESNO|MB_ICONSTOP "Failed to uninstall, continue anyway?" /SD IDYES IDYES +2
Abort
${EndIf}
${EndIf}
SectionEnd
;------------------------------------
; The stuff to install
Section "@Launcher_DisplayName@"
@ -299,11 +368,10 @@ Section "@Launcher_DisplayName@"
${GetParameters} $R0
${GetOptions} $R0 "/NoUninstaller" $R1
${If} ${Errors}
!define UNINST_KEY "Software\Microsoft\Windows\CurrentVersion\Uninstall\@Launcher_CommonName@"
WriteRegStr HKCU "${UNINST_KEY}" "DisplayName" "@Launcher_DisplayName@"
WriteRegStr HKCU "${UNINST_KEY}" "DisplayIcon" "$INSTDIR\@Launcher_APP_BINARY_NAME@.exe"
WriteRegStr HKCU "${UNINST_KEY}" "UninstallString" '"$INSTDIR\uninstall.exe"'
WriteRegStr HKCU "${UNINST_KEY}" "QuietUninstallString" '"$INSTDIR\uninstall.exe" /S'
WriteRegStr HKCU "${UNINST_KEY}" "UninstallString" '"$INSTDIR\uninstall.exe" _?=$INSTDIR'
WriteRegStr HKCU "${UNINST_KEY}" "QuietUninstallString" '"$INSTDIR\uninstall.exe" /S _?=$INSTDIR'
WriteRegStr HKCU "${UNINST_KEY}" "InstallLocation" "$INSTDIR"
WriteRegStr HKCU "${UNINST_KEY}" "Publisher" "@Launcher_DisplayName@ Contributors"
WriteRegStr HKCU "${UNINST_KEY}" "Version" "@Launcher_VERSION_NAME4@"