signal-desktop/build/installer.nsh
2023-12-12 03:15:36 +01:00

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1.6 KiB
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# Copyright 2023 Signal Messenger, LLC
# SPDX-License-Identifier: AGPL-3.0-only
!include WinVer.nsh
!include SignalStrings.nsh
ManifestDPIAware true
!macro preInit
Var /Global OLD_SIGNAL_VERSION
# Check minimum OS version
${IfNot} ${AtLeastWin10}
MessageBox MB_OK|MB_ICONEXCLAMATION "$(signalMinWinVersionErr)"
DetailPrint `Windows version check failed`
Abort
${EndIf}
# If previously installed
ReadRegStr $OLD_SIGNAL_VERSION SHELL_CONTEXT "${UNINSTALL_REGISTRY_KEY}" \
"DisplayVersion"
StrCmp $OLD_SIGNAL_VERSION "" end_semver_check
# Check that we are not overwriting newer version of the app.
${StdUtils.ScanStr3} $R0 $R1 $R2 "%d.%d.%d" $OLD_SIGNAL_VERSION 0 0 0
${StdUtils.ScanStr3} $R3 $R4 $R5 "%d.%d.%d" ${VERSION} 0 0 0
# Compare major number
IntCmp $R0 $R3 same_major end_semver_check downgrade
# Compare minor number
same_major:
IntCmp $R1 $R4 same_minor end_semver_check downgrade
# Compare patch number
same_minor:
IntCmp $R2 $R5 end_semver_check end_semver_check downgrade
# Detected downgrade - show message box
downgrade:
MessageBox MB_OKCANCEL|MB_ICONEXCLAMATION \
"$(signalMinAppVersionErr)" /SD IDCANCEL IDOK end_semver_check
DetailPrint `SemVer check failed`
Abort
end_semver_check:
!macroend
!macro customInstall
${If} ${Silent}
${AndIf} ${isUpdated}
# Copied from app-builder-lib templates/nsis/common.nsh:
# "otherwise app window will be in background"
HideWindow
# Signal modification: '--start-in-tray' added
${StdUtils.ExecShellAsUser} $0 "$launchLink" "open" \
"--updated --start-in-tray"
${EndIf}
!macroend