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| # 18:55:04 | mingwandroid | y_morin: hi. |
| # 18:56:58 | y_morin | mingwandroid: Hey! |
| # 19:01:03 | mingwandroid | y_morin: Happy New Year. |
| # 19:01:06 | mingwandroid | y_morin: brb. |
| # 19:01:36 | y_morin | mingwandroid: Best Whishes for 2015, too. |
| # 19:05:02 | mingwandroid | y_morin: so I got a quick question. |
| # 19:06:19 | mingwandroid | y_morin: I'm having a look at CT_GetGit, and wanted to allow cset to be passed in as, for example, "ref=HEAD". in there, I use git ls-remote to get the SHA1, but I kind of need to pass that back out to the caller so I know the name of the tarball .. |
| # 19:06:54 | mingwandroid | what do you recommend for that? the usual pass a var name in and use eval dance? |
| # 19:08:39 | y_morin | mingwandroid: Sorry, I don;t understand why you would need that. Caller must now the version. If you pass a floating reference, there's no guarantee it can be reproduced over time. |
| # 19:09:02 | y_morin | mingwandroid: If you want to play wih 'bleding-edge' development stuff, it's better to use a local tree of the sources. |
| # 19:09:30 | y_morin | mingwandroid: And no, there is currently no way to pass back values to a caller. And using the eval-dance is ugly. |
| # 19:09:52 | y_morin | mingwandroid: Also, that would be the first time an eval is used to pass info back to the caller. |
| # 19:10:02 | mingwandroid | y_morin: I am updating mingw-w64 stuff, and they don't release nearly often enough, but they have various branches (master, 3.1.0 that's stable ..) |
| # 19:10:22 | mingwandroid | y_morin: very similar actually to glibc's svn branches that we already handle in a similar way. |
| # 19:10:31 | y_morin | mingwandroid: Then, directly use a sha1. |
| # 19:11:29 | mingwandroid | y_morin: you don't see value in just saying "I want master", then having the CT_GetGit figure out the sha1 and return it to the caller for later extraction? |
| # 19:11:33 | y_morin | (and I am not too happy that it is possible to use svn HEAD revision to start with... If I had have foresight back in the day, I'd have made that impossible) |
| # 19:11:50 | y_morin | mingwandroid: No, I say that using 'master' is just not stable over time. |
| # 19:12:22 | y_morin | mingwandroid: If you use 'master' right now, it will give you a sha1. Then you come back tomorrow, it will give you another sha1. |
| # 19:12:30 | mingwandroid | y_morin: granted, but I do name the tarball with the full sha1, so reproducability isn't a problem. |
| # 19:12:34 | y_morin | mingwandroid: Thus: toolchain not reprodicible with the same .config. |
| # 19:12:59 | y_morin | mingwandroid: No, because tomorrow, you'd still be using 'master' in your toolchain's .config. |
| # 19:14:01 | y_morin | mingwandroid: It is not how you name the local tarball. It's about reproducing the same output (the toolchain) with the same input (the .config). |
| # 19:14:29 | mingwandroid | y_morin: I could bake the sha1 out into the generated .config, would that be more acceptable or do you just not want such a thing? |
| # 19:14:53 | y_morin | mingwandroid: Well, I am no longer the maintainer, so what I want does not matter. It's just my opinion. |
| # 19:15:29 | y_morin | mingwandroid: However, overwriting the .config is probably something we do *not* want. .config is provided by the user, we should not touch that; in any case. |
| # 19:15:31 | mingwandroid | y_morin: well your opinion matters anyway. |
| # 19:15:38 | y_morin | mingwandroid: Thank you! :-) |
| # 19:16:18 | y_morin | mingwandroid: It's 20:15 here, dinner is almost ready, I have to go. Cheers, TTYL... |
| # 19:16:29 | mingwandroid | ok thanks. i will soon eat too. |
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| # 21:50:27 | y_morin | mingwandroid: Hello again. I was looking at the bash manual (sonce ct-ng is mostly bash scripts), and there is a better way to pass back values to a caller (not that I suggest we do it, mond you) |
| # 21:51:20 | y_morin | mingwandroid: In bash, it is posible to declare a variable that is a nameref, that is a reference to abnother variable (like a pointer in C, if you want, or better yet, like a reference in C++) |
| # 21:52:50 | y_morin | mingwandroid: For example, in a function: local -n ref="${1}"; ref=foo would set the variable passed as first argument to the value 'foo' |
| # 21:53:31 | y_morin | mingwandroid: That is a bit nicer that the eval-dance, but not much more (e.g. changing the variable that is referenced is a bit convoluted) |
| # 22:53:14 | mingwandroid | y_morin: oh interesting. |
| # 22:54:21 | mingwandroid | y_morin: what's the compatability of that? dash for example? I will test actually as MSYS2 has dash. |
| # 22:55:17 | mingwandroid | y_morin: I have coded it already as I discussed earlier, but I am actually somewhat in agreement with you about repeatability. I might run the idea past Bryan, but I don't mind forcing the user to pass the sha1 in .config. |
| # 22:56:51 | mingwandroid | y_morin: perhaps a compromise of providing a tool to pre-process a .config that has ref names in it could be comtemplated? |
| # 22:59:20 | y_morin | mingwandroid: We do not care about comatibilty with dash: ct-ng is nade of bash scripts. |
| # 23:00:30 | y_morin | mingwandroid: As for a pre-processing: it would not solve the issue: the .config is stil the input, has floating referecnes, and we can't tweak the .config. |
| # 23:00:50 | y_morin | But I'm off to bed now, it's been a pretty hard day here in .fr |
| # 23:01:25 | y_morin | Walking all the afternoon until pretty late has been a bit tiring! :-) |
| # 23:01:55 | y_morin | quits : Quit: Je suis Charlie! |