Add upgrade support to the MSI generator. [skip ci]

6 years ago · 14fe0985f7
parent 3232806b08
commit 14fe0985f7
1 changed files with 3 additions and 0 deletions
--- a/msi/createmsi.py
+++ b/msi/createmsi.py
@ -131,6 +131,9 @@ class PackageGenerator:
            'SummaryCodepage': '1252',
        })

+        ET.SubElement(product, 'MajorUpgrade',
+                      {'DowngradeErrorMessage': 'A newer version of Meson is already installed.'})
+
        if self.bytesize == 64:
            package.set('Platform', 'x64')
        ET.SubElement(product, 'Media', {