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x/build: make sure builders always set $HOME and $USER #24884

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bradfitz opened this issue Apr 16, 2018 · 3 comments
Open

x/build: make sure builders always set $HOME and $USER #24884

bradfitz opened this issue Apr 16, 2018 · 3 comments
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Builders x/build issues (builders, bots, dashboards)
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Unreleased

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@bradfitz
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The builders don't always set $HOME and $USER.

Fix that, and revert the os/user testing hacks from https://go-review.googlesource.com/c/go/+/107300
@gopherbot gopherbot added this to the Unreleased milestone Apr 16, 2018
@gopherbot gopherbot added the Builders x/build issues (builders, bots, dashboards) label Apr 16, 2018
@kardianos
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For all builders? or all non-windows builder?

@bradfitz
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$HOME/$USER or equivalent for windows/plan9. But we happen to be fine already for Windows & Plan 9, so this is really only about the Unix builders.

@gopherbot
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Change https://golang.org/cl/134218 mentions this issue: os/user: retrieve username from /etc/passwd instead of $USER

gopherbot pushed a commit that referenced this issue Sep 9, 2018
@kevinburke
os/user: retrieve Current username from /etc/passwd, not $USER
3a18f0e 
Per #27524 there are situations where the username for the
uid does not match the value in the $USER environment variable and it
seems sensible to choose the value in /etc/passwd when they disagree.

This may make the Current() call slightly more expensive, since we
read /etc/passwd with cgo disabled instead of just checking the
environment. However, we cache the result of Current() calls, so we
only invoke this cost once in the lifetime of the process.

Fixes #14626.
Fixes #27524.
Updates #24884.

Change-Id: I0dcd224cf7f61dd5292f3fcc363aa2e9656a2cb1
Reviewed-on: https://go-review.googlesource.com/134218
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
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@bradfitz @kardianos @gopherbot