Some fun pacman hooks

ConnorBehan · 2015-12-19 20:09:42

I just installed pacman from git and now I'm like a kid in a candy store. Here's what my /etc/pacman.d/hooks looks like after some playing around. Some of the files require external scripts because the Exec line does not match wildcards.

complete_more_names.hook:
A bash-completion patch which will probably not be accepted upstream because it used to be applied and they reversed it.

[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = bash-completion

[Action]
When = PostTransaction
Exec = /usr/bin/sed -i -e 's/@(mk|rm)/rm/' /usr/share/bash-completion/bash_completion

update_vim_syntax.hook:
A vim-runtime patch which was not applied upstream because it would create the illusion that an unmaintained file is maintained. If I know too little about the syntax to volunteer.

[Trigger]
Operation = Install
Operation = Upgrade
Type = File
Target = usr/share/vim/vim??/syntax/xf86conf.vim

[Action]
When = PostTransaction
Exec = /etc/pacman.d/hooks/update_vim_syntax.sh
NeedsTargets

update_vim_syntax.sh:

#!/bin/bash
read TARGET
/usr/bin/sed -i -e 's| Driver | Disable Driver |' -e 's| Accel | Accel AccelMethod |' -e 's| AllowClosedownGrabs | AllowClosedownGrabs AllowEmptyInput |' -e 's| AutoRepeat | AutoAddDevices AutoRepeat |' "/$TARGET"

mime_replace.hook:
This prevents any package from making itself the default MIME handler for any type. Some programs do this despite only barely being able to handle some formats. Instead, I assign handlers manually in ~/.local/share/applications.

[Trigger]
Operation = Install
Operation = Upgrade
Type = File
Target = *.desktop

[Action]
When = PostTransaction
Exec = /etc/pacman.d/hooks/mime_replace.sh
NeedsTargets

mime_replace.sh:

#!/bin/bash

while read TARGET; do
	[[ -f "$TARGET" ]] || continue
	sed -i -e '/MimeType=/d' "/$TARGET"
done

lilo_bootloader.hook:

[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = linux

[Action]
Depends = lilo
When = PostTransaction
Exec = /usr/bin/lilo

lighten_matplotlib.hook:
Deletes 3/4 of this huge package.

[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = python2-matplotlib

[Action]
When = PostTransaction
Exec = /usr/bin/rm -r /usr/lib/python2.7/site-packages/matplotlib/tests

gnomeless_gstreamer.hook:
Gets rid of gconf parts distributed with the plugins. As far as I know, there is no way a hook can stop it from pulling in the gconf dependency. This, I do with a dummy PKGBUILD that provides gconf.

[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = gstreamer0.10-good-plugins

[Action]
When = PostTransaction
Exec = /usr/bin/rm /usr/share/gconf/schemas/gstreamer0.10-good-plugins.schemas /usr/lib/gstreamer-0.10/libgstsouphttpsrc.so /usr/lib/gstreamer-0.10/libgstgconfelements.so

Allan · 2015-12-20 00:10:08

ConnorBehan wrote:

lighten_matplotlib.hook:
Deletes 3/4 of this huge package.

[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = python2-matplotlib

[Action]
When = PostTransaction
Exec = /usr/bin/rm -r /usr/lib/python2.7/site-packages/matplotlib/tests

That should be a bug report... Also in combination with this:

ConnorBehan wrote:

gnomeless_gstreamer.hook:
Gets rid of gconf parts distributed with the plugins. As far as I know, there is no way a hook can stop it from pulling in the gconf dependency. This, I do with a dummy PKGBUILD that provides gconf.
[Trigger]
Operation = Install
Operation = Upgrade
Type = Package
Target = gstreamer0.10-good-plugins

[Action]
When = PostTransaction
Exec = /usr/bin/rm /usr/share/gconf/schemas/gstreamer0.10-good-plugins.schemas /usr/lib/gstreamer-0.10/libgstsouphttpsrc.so /usr/lib/gstreamer-0.10/libgstgconfelements.so

use pacman's NoExtract config option - then pacman knows why these are missing.

ConnorBehan · 2015-12-20 19:43:12

Oops, that's much better after "s|matplotlib/tests|matplotlib/tests/*|". For some reason I thought NoExtract wasn't working because it didn't accept directory names.

Arch Linux

#1 2015-12-19 20:09:42

Some fun pacman hooks

#2 2015-12-20 00:10:08

Re: Some fun pacman hooks

#3 2015-12-20 19:43:12

Re: Some fun pacman hooks

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