[Fedora-packaging] Re: Suggested ScriptletSnippets (icon cache) changes

Enrico Scholz enrico.scholz at informatik.tu-chemnitz.de
Sun Feb 22 14:00:13 UTC 2009

Ville Skyttä <ville.skytta at iki.fi> writes:

> %postun
> if [ $1 -eq 0 ] ; then
>     touch --no-create %{_datadir}/icons/hicolor &>/dev/null
>     gtk-update-icon-cache %{_datadir}/icons/hicolor &>/dev/null || :
> fi

The 'touch' should be inconditional and outside of the 'if' block.
E.g. when we have a transaction like

1. UPDATE new1
2. UPDATE old
3. UPDATE new0
4. ERASE new0
5. ERASE old
6. ERASE new1
7. %posttrans

where newX have the scriptlet above and 'old' has a legacy scriptlet
which executes 'gtk-update-icon-cache' everytime.  Then, 'old' will
update the cache in step 5 and %posttrans will be a noop.  Changes in
step 6 will be ignored and system has the cache from step 5.


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