[Mageia-dev] rpm macro help! %apply_patches

Thu Dec 1 11:41:44 CET 2011

On Thu, Dec 1, 2011 at 10:28, Colin Guthrie <mageia at colin.guthr.ie> wrote:
+> 'Twas brillig, and Pascal Terjan at 01/12/11 10:19 did gyre and gimble:
+>> On Thu, Dec 1, 2011 at 09:58, Colin Guthrie <mageia at colin.guthr.ie> wrote:
+>>> Hi,
+>>>
+>>> There are times when the backup files from patches applied with
+>>> %apply_patches get in the way. It would be nice to be able to disable
+>>> backup file generation. e.g. with %apply_patches -n
+>>>
+>>> Can someone with the appropriate skills do this? I can't remember who
+>>> wrote this macro (I wrote the very crappy initial version of it and
+>>> someone else made it awesome!), but I have a feeling it was pterjan or
+>>> Annsi (or maybe it was pixel before he left...?). Anyway, it's a super
+>>> useful macro, but it would be really nice if it could avoid the backups.
+>>
+>> I think it was pixel
+>
+> Yeah, I think I remember now. It was a "parting gift" before he left :)
+>
+>>> Or another suggestion..... who actually uses these backup files? Perhaps
+>>> they can just be dropped completely?
+>>
+>> I use them when updating patches
+>
+> OK, so a more graceful way is needed to deal with the situation when the
+> patches are problematic (i.e. a dump installer just installing all the
+> files it finds.
+>
+> My work around is just a simple:
+>  find -name "*.[0-9][0-9][0-9][0-9]" -delete
+> but it could be too greedy in some circumstances.
+>
+> So I guess an rpmmacro guru is needed.
+
+I think we can have an option quite easily but I don't want to learn lua :)
+
+%apply_patches %{lua: keys = {}; for i, p in ipairs(patches) do
+print(rpm.expand("%{_patch} -s -p1 -b --suffix " ..
+string.format(".%04d", patches_num[p]) .. "
+--fuzz=%{_default_patch_fuzz} -i " .. p .. "\\n")) end }
+