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installer.nsi
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installer.nsi
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!include "MUI2.nsh"
!define NAME_FULL "VCV Rack Free ${VERSION}"
!define NAME "VCV Rack ${VERSION_MAJOR} Free"
!define RACK_DIR "Rack${VERSION_MAJOR}Free"
!define INSTALL_REG "Software\VCV\Rack${VERSION_MAJOR}Free"
!define UNINSTALL_REG "Software\Microsoft\Windows\CurrentVersion\Uninstall\VCVRack${VERSION_MAJOR}Free"
Name "${NAME_FULL}"
Unicode True
SetCompressor /solid "lzma"
SetCompressorDictSize 8
CRCCheck On
; Default installation folder
InstallDir "$PROGRAMFILES\VCV\${RACK_DIR}"
; Get installation folder from registry if available
InstallDirRegKey HKLM "${INSTALL_REG}" ""
; Request admin permissions so we can install to Program Files and add a registry entry
RequestExecutionLevel admin
; MUI installer pages
!define MUI_ICON "icon.ico"
;!define MUI_HEADERIMAGE
;!define MUI_HEADERIMAGE_BITMAP "installer-banner.bmp" ; 150x57
;!define MUI_WELCOMEFINISHPAGE_BITMAP "$NSISDIR\Contrib\Graphics\Wizard\win.bmp" ; 164x314
;!define MUI_UNWELCOMEFINISHPAGE_BITMAP "$NSISDIR\Contrib\Graphics\Wizard\win.bmp" ; 164x314
!define MUI_COMPONENTSPAGE_NODESC
;!insertmacro MUI_PAGE_COMPONENTS
; Prevent user from choosing an installation directory that already exists, such as C:\Program Files.
; This is necessary because the uninstaller removes the installation directory, which is dangerous for directories that existed before Rack was installed.
!define MUI_PAGE_CUSTOMFUNCTION_LEAVE directoryLeave
Function directoryLeave
StrCmp "$INSTDIR" "$PROGRAMFILES" directoryBad
StrCmp "$INSTDIR" "$PROGRAMFILES32" directoryBad
StrCmp "$INSTDIR" "$PROGRAMFILES64" directoryBad
StrCmp "$INSTDIR" "$COMMONFILES" directoryBad
StrCmp "$INSTDIR" "$COMMONFILES32" directoryBad
StrCmp "$INSTDIR" "$COMMONFILES64" directoryBad
StrCmp "$INSTDIR" "$DESKTOP" directoryBad
StrCmp "$INSTDIR" "$WINDIR" directoryBad
StrCmp "$INSTDIR" "$SYSDIR" directoryBad
StrCmp "$INSTDIR" "$DOCUMENTS" directoryBad
StrCmp "$INSTDIR" "$MUSIC" directoryBad
StrCmp "$INSTDIR" "$PICTURES" directoryBad
StrCmp "$INSTDIR" "$VIDEOS" directoryBad
StrCmp "$INSTDIR" "$APPDATA" directoryBad
StrCmp "$INSTDIR" "$LOCALAPPDATA" directoryBad
Return
directoryBad:
MessageBox MB_OK|MB_ICONSTOP "Cannot install to $INSTDIR."
Abort
FunctionEnd
!insertmacro MUI_PAGE_DIRECTORY
!insertmacro MUI_PAGE_INSTFILES
!define MUI_FINISHPAGE_RUN "$INSTDIR\Rack.exe"
!define MUI_FINISHPAGE_RUN_TEXT "Launch ${NAME}"
!insertmacro MUI_PAGE_FINISH
; MUI uninstaller pages
!insertmacro MUI_UNPAGE_CONFIRM
!insertmacro MUI_UNPAGE_INSTFILES
!insertmacro MUI_LANGUAGE "English"
; Sections
Section "${NAME}" INSTALL_SECTION
SectionIn RO
SetOutPath "$INSTDIR"
# Uninstall existing version silently before installing.
# This is needed because the VST3 adapter used to be a file, and now it is a bundle (folder), and NSIS can't overwrite files with folders.
# "_?=" makes the uninstaller block until exit. Explanation at bottom of page:
# https://nsis.sourceforge.io/Docs/Chapter3.html
# Fails gracefully if uninstaller does not exist.
DetailPrint "Uninstalling existing version"
ExecWait '"$INSTDIR\Uninstall.exe" /S _?=$INSTDIR'
File /r "dist\${RACK_DIR}\*"
; Store installation folder
WriteRegStr HKLM "${INSTALL_REG}" "" "$INSTDIR"
; Write uninstaller info
WriteRegStr HKLM "${UNINSTALL_REG}" "DisplayName" "${NAME}"
WriteRegStr HKLM "${UNINSTALL_REG}" "DisplayIcon" '"$INSTDIR\Rack.exe"'
WriteRegStr HKLM "${UNINSTALL_REG}" "DisplayVersion" "${VERSION}"
WriteRegStr HKLM "${UNINSTALL_REG}" "UninstallString" '"$INSTDIR\Uninstall.exe"'
WriteRegStr HKLM "${UNINSTALL_REG}" "QuietUninstallString" '"$INSTDIR\Uninstall.exe" /S'
WriteRegStr HKLM "${UNINSTALL_REG}" "InstallLocation" '"$INSTDIR"'
WriteRegStr HKLM "${UNINSTALL_REG}" "Publisher" "VCV"
SectionGetSize ${INSTALL_SECTION} $0
WriteRegDWORD HKLM "${UNINSTALL_REG}" "EstimatedSize" $0
WriteRegDWORD HKLM "${UNINSTALL_REG}" "NoModify" 1
WriteRegDWORD HKLM "${UNINSTALL_REG}" "NoRepair" 1
; Create uninstaller
WriteUninstaller "$INSTDIR\Uninstall.exe"
; Associate file type
WriteRegStr HKLM "Software\Classes\.vcv" "" "VCVRack.Patch"
WriteRegStr HKLM "Software\Classes\VCVRack.Patch" "" "VCV Rack patch"
WriteRegStr HKLM "Software\Classes\VCVRack.Patch\shell\open\command" "" '"$INSTDIR\Rack.exe" "%1"'
; Create shortcuts
CreateShortcut "$DESKTOP\${NAME}.lnk" "$INSTDIR\Rack.exe"
CreateShortcut "$SMPROGRAMS\${NAME}.lnk" "$INSTDIR\Rack.exe"
; Add allowed app to Controlled Folder Access
ExpandEnvStrings $0 "%COMSPEC%"
ExecShellWait "" '"$0"' "/C powershell -ExecutionPolicy Bypass -WindowStyle Hidden $\"Add-MpPreference -ControlledFolderAccessAllowedApplications '$INSTDIR\Rack.exe'$\"" SW_HIDE
SectionEnd
Section "Uninstall"
; directoryLeave above ensures that INSTDIR is safe to remove.
RMDir /r "$INSTDIR"
; Attempt to remove C:\Program Files\VCV if empty
RMDir "$INSTDIR\.."
Delete "$DESKTOP\${NAME}.lnk"
Delete "$SMPROGRAMS\${NAME}.lnk"
DeleteRegKey HKLM "${INSTALL_REG}"
DeleteRegKey /ifempty HKLM "Software\VCV"
DeleteRegKey HKLM "${UNINSTALL_REG}"
DeleteRegKey HKLM "Software\Classes\.vcv"
DeleteRegKey HKLM "Software\Classes\VCVRack.Patch"
SectionEnd