[arch-general] Does leading slash matter in install scriptlets? - Arch-general - lists.archlinux.org

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[arch-general] Does leading slash matter in install scriptlets?

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lolilolicon

7 Aug 2013 7 Aug '13

8:35 a.m.

Many install scriptlets include the leading slash in file paths, e.g. post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f /usr/share/icons/hicolor } while some strip the leading slash, post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f usr/share/icons/hicolor } Would this make a difference with `pacman -S --root <path> <pkg>`? If not, is there any case in which it would make a difference?

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Allan McRae

7 Aug 7 Aug

10:19 a.m.

On 07/08/13 18:35, lolilolicon wrote:

Many install scriptlets include the leading slash in file paths, e.g.

post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f /usr/share/icons/hicolor }

while some strip the leading slash,

post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f usr/share/icons/hicolor }

Would this make a difference with `pacman -S --root <path> <pkg>`? If not, is there any case in which it would make a difference?

I believe it possibly did in the past, but pacman chroots into the --root directory before running any scripts so it makes no difference. Allan

lolilolicon

10:46 a.m.

On Wed, Aug 7, 2013 at 6:19 PM, Allan McRae wrote:

I believe it possibly did in the past, but pacman chroots into the --root directory before running any scripts so it makes no difference.

That's great, seeing that there're so many packages on both sides. Is a leading slash preferred, then?

Allan

Allan McRae

12:51 p.m.

On 07/08/13 20:46, lolilolicon wrote:

On Wed, Aug 7, 2013 at 6:19 PM, Allan McRae wrote:

...
I believe it possibly did in the past, but pacman chroots into the --root directory before running any scripts so it makes no difference.

That's great, seeing that there're so many packages on both sides. Is a leading slash preferred, then?

Given it does not matter, there is no preference (at least from me).

lolilolicon

2:54 p.m.

On Wed, Aug 7, 2013 at 8:51 PM, Allan McRae wrote:

Given it does not matter, there is no preference (at least from me).

Effectively true, but conceptually I think I would prefer an explicit slash, which does not rely on the implicit $PWD == /. Take again the example from my original email, post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f usr/share/icons/hicolor } Since `update-desktop-database` without a directory specified defaults to /usr/share/applications, the above is equivalent to, post_install() { update-desktop-database -q /usr/share/applications gtk-update-icon-cache -q -t -f usr/share/icons/hicolor } which is not consistent. Therefore, it should be: post_install() { update-desktop-database -q gtk-update-icon-cache -q -t -f /usr/share/icons/hicolor } or, alternatively, consistently remove the leading slash, post_install() { update-desktop-database -q usr/share/applications gtk-update-icon-cache -q -t -f usr/share/icons/hicolor } But since a leading slash doesn't sacrifice any flexibility, I prefer an explicit slash everywhere.

Martti Kühne

21 Aug 21 Aug

7:02 a.m.

wasn't there going to be a uniform single place for such things happen? Hint: hooks awesomeness. cheers! mar77i

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Allan McRae
lolilolicon
Martti Kühne