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roki942
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PostPosted: Wed Apr 19, 2017 7:03 pm    Post subject: [SOLVED](app-portage/update) - update -T fails Reply with quote

I thought I'd update the toolchain as whole as gcc 5.4 is now stable but update -T fails with
Quote:
Total: 27 packages (27 reinstalls), Size of downloads: 0 KiB
* 27 in total
[TC] sys-devel/gcc-5.4.0-r3 first built: Tue Apr 18 00:58:31 2017
* checking gcc-config 5.4.0
[TC] dev-libs/gmp-6.1.0
?
Invalid command suffix
!! update: ed failed -- /dev-libs/mpfr-3.1.3_p4/p .d w | ed -s /root/emerge/emergeList >> '/root/.update/tmp'


Last edited by roki942 on Sun Jun 18, 2017 4:11 am; edited 2 times in total
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gerard27
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PostPosted: Wed Apr 19, 2017 7:39 pm    Post subject: Reply with quote

Are you confusing cfg-update or conf-update with emerge?
If you want to re-emerge the toolchain the correct command is:
Code:

emerge -e system

Gerard.
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The same disk can be used for 32 and 64 bit installs.
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roki942
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PostPosted: Wed Apr 19, 2017 8:11 pm    Post subject: Reply with quote

gerard27 wrote:
Are you confusing cfg-update or conf-update with emerge?
If you want to re-emerge the toolchain the correct command is:
Code:

emerge -e system

Gerard.
Thank you for your replay.
The "update" I'm referring to is
Code:
  app-portage/update
      Latest version available: 9999
      Latest version installed: 9999
      Size of files: 0 KiB
      Homepage:      http://weaver.gentooexperimental.org/update.html
      Description:   A most excellent portage wrapper
      License:       CCPL-Attribution-ShareAlike-NonCommercial-3.0
I'll amend the title.
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steveL
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PostPosted: Thu Apr 20, 2017 8:21 pm    Post subject: Reply with quote

Hey roki,
Urgh, sorry about this.

I've just been playing with it in new install, but don't have git yet, as I'm doing my toolchain (C++ upgrade, same as you) first.
I fixed that bug, but it's not quite ready to do the whole thing: I am about to work on it tonight.

Hmm let me reboot into the new install, and I'll just emerge git now.

I was thinking to rework it a bit more on a C++ upgrade, to do the ones in @system (linked to libstdc++) first.
Then we'd put >=sys-devel/gcc-5.2 in /etc/warning with a new key CXX or w/e to indicate this type of ABI upgrade.

That's going to take a bit longer.

Give me an hour or two to get git installed, and I'll push the semi-working version. (I'll tell you in here, when I've done it.)

Regards,
steveL
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roki942
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PostPosted: Thu Apr 20, 2017 8:58 pm    Post subject: Reply with quote

Thank you so much steveL!
Please don't rush on my account as my computers have noting to do with my income.

I've been using your pgm for some years now as it's so good at keeping my machines up to date.

So good in fact that I'm still a noob! :lol:
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steveL
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PostPosted: Fri Apr 21, 2017 1:05 am    Post subject: Reply with quote

Heh, thanks for your kind words, roki :-)

I'm afraid it's going to take a bit longer to review and commit all the changes.
My version is already 29 commits ahead of origin, so I can't just push a minor change; there's been a good deal of work on toolchain.

I'm going to take a break for food, and get this lot pushed by tomorrow; certainly in next 24 hours (if I crash out.)

Thanks for your patience,
steveL
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Hu
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PostPosted: Fri Apr 21, 2017 1:54 am    Post subject: Reply with quote

If the minor change you need for this thread does not depend on your other work, you could temporarily branch from origin, write that minor change, push it, then switch back to the main branch that is far ahead of origin.
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steveL
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PostPosted: Wed Jun 14, 2017 7:52 pm    Post subject: Reply with quote

Man, I am so sorry for the long delay in pushing a fix, roki. (Illness, real-life, time away to recover, no GUI.. blah-blah.)

I did what Hu said on Monday, just pushing the minor change, but the -T|--toolchain option is experimental, so I'm not sure how it will perform.
Hu wrote:
If the minor change you need for this thread does not depend on your other work, you could temporarily branch from origin, write that minor change, push it, then switch back to the main branch that is far ahead of origin.

You're absolutely right, though I have a "!bugfix" in the bot in #friendly-coders (friendlyToaster), which involves:
Code:
# stage the fix, usually: git add -p update
git commit
# close the editor (files will change)
git stash
git rebase -i origin/master
# ^ move last commit to beginning
lol # git log one-line (see below)
# check log for (new) commit id, in the modified history
cid=XXX..
git push origin $cid:master
# shipped ^ so get back our WIP:
git stash pop
This is a bit involved, but you need to rebase onto the new commit anyway, and this means you get it done upfront, then push the linear change. It took a while to work out how to push a specific commit (IRC is wonderfuel..;)
I'd be happy to see a simpler process though.

lol above is a bashrc alias from #git:
Code:
alias lol='git log --oneline --graph --decorate --all'
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Hu
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PostPosted: Thu Jun 15, 2017 1:21 am    Post subject: Reply with quote

That is a reasonably acceptable workflow. I might do it a bit differently, but I cannot say that my way is necessarily better than what you showed. Two variations come to mind:
Code:
git commit -p -- [optional list of files]
# Use interactive mode to commit just the required changes
# Now stash everything else
git stash
# Move to a nameless branch based off origin
git checkout origin/master
# Cherry-pick the most recently departed commit, created as line 1
# above.
git cherry-pick @{-1}
git push origin HEAD:master
git checkout -

If you need to use rebase (and you might, if there are other commits you want to pull in as dependencies):
Code:
# Same git commit+stash as above
git commit -p -- [optional list of files]
git stash
git rebase -i origin/master
# Reorder commits as needed.
# Important: for the commit which (after reordering) will be the commit
# to push, change the rebase verb from `pick` to `edit`.
# Exit editor.  Rebase will run.
# Rebase will drop you at the commit marked for edit (assuming no
# conflicts getting to that point).
# To be cautious, use git log to verify the new history:
git log --oneline origin/master..
# Looks good, now push it.
git push origin HEAD:master
git rebase --continue
Both of these have the minor virtue that you never need to know or type the commit ID that will become the new public head.

I keep certain git aliases to simplify some of these operations:
$HOME/.gitconfig:
[alias]
   ci = commit -v
   cia = commit -v -a
   co = checkout
   cp = cherry-pick
   dh = diff HEAD
   rc = rebase --continue
   ri = rebase --interactive
   ru = remote update
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steveL
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PostPosted: Thu Jun 15, 2017 7:07 pm    Post subject: Reply with quote

Interesting; especially changing the commit we want to push up til, to 'edit' so that the rebase stops there, and we can just push HEAD.

I'll try that instead of the 'lol' bit above, next time I need to do a bugfix (the whole point of which is to push a recent commit earlier, while keeping linear history to work-in-progress.)
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roki942
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PostPosted: Sun Jun 18, 2017 12:02 am    Post subject: Reply with quote

Thank you steveL, I tried update -T today and it worked great! :D
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steveL
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PostPosted: Tue Jun 20, 2017 1:59 pm    Post subject: Reply with quote

Excellent, roki; thanks for letting me know :-)
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