| 1 |
On Mon, 2 Jun 2014 11:42:07 +0200 |
| 2 |
Ulrich Mueller <ulm@g.o> wrote: |
| 3 |
> This topic was already discussed in -dev some time ago [1], but went |
| 4 |
> nowhere at the time. Now it came up again in bug 469210 [2]. |
| 5 |
> (Ironically, checking for a particular kernel configuration is the |
| 6 |
> example mentioned in the spec for pkg_pretend.) |
| 7 |
|
| 8 |
That's not ironic! It's not the spec's fault that people write lousy |
| 9 |
eclasses. |
| 10 |
|
| 11 |
> We say in Table 11.1 [3] that T and TMPDIR (and HOME) are legal in all |
| 12 |
> phases and must be "the location of a usable temporary directory". At |
| 13 |
> the same time, we say in the spec for pkg_* phases that they "must not |
| 14 |
> write to the filesystem" [4], or that they "must not write outside of |
| 15 |
> the directories specified by the ROOT and D environment variables" [5] |
| 16 |
> which effectively forbids writing to the ${T} etc. directories. |
| 17 |
|
| 18 |
The point of them pointing to a usable directory is just to avoid |
| 19 |
problems with things that break if the variable is empty or set to |
| 20 |
nonsense. |
| 21 |
|
| 22 |
-- |
| 23 |
Ciaran McCreesh |
Archives