Merged update from upstream sources

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Source: https://src.fedoraproject.org/rpms/cppcheck.git#8b7b1c4cbd621c77e19e06e402caf80909d8e4ab

cppcheck.spec

@@ -2,7 +2,7 @@
 
 Name:           cppcheck
 Version:        2.2
-Release:        3%{?dist}
+Release:        4%{?dist}
 Summary:        Tool for static C/C++ code analysis
 License:        GPLv3+
 URL:            http://cppcheck.wiki.sourceforge.net/
@@ -73,7 +73,7 @@ from xml files first generated using cppcheck.
 rm -r externals/tinyxml
 # Generate the Qt online-help file
 cd gui/help
-qhelpgenerator-qt5 online-help.qhcp -o online-help.qhc
+TZ=UTC qhelpgenerator-qt5 online-help.qhcp -o online-help.qhc
 
 %build
 # Manuals
@@ -122,7 +122,16 @@ cd %{_vpath_builddir}/bin
 %files htmlreport
 %{_bindir}/cppcheck-htmlreport
 
+%post
+# Adjust the timestamp of online-help.qch to the value expected by online-help.qhc
+# The rpm is built on servers using UTC. Get this UTC timestamp and apply it to the file under the local TZ
+# https://github.com/danmar/cppcheck/commit/9693940dadfd54bb0bac2549e1b2d6804be9a1a8#commitcomment-43482215
+touch -a -m -t $(TZ=UTC date -r /usr/share/Cppcheck/help/online-help.qch +%Y%m%d%H%M.%%S) /usr/share/Cppcheck/help/online-help.qch
+
 %changelog
+* Thu Oct 22 2020 Wolfgang Stöggl <c72578@yahoo.de> - 2.2-4
+- Fix missing Contents and Index in Qt online-help file
+
 * Tue Oct 13 2020 Jeff Law <law@redhat.com> - 2.2-3
 - Fix missing #include for gcc-11