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* Atomically replace the /bin/sh symlink; otherwise there is a time

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window in which /bin/sh is missing.  This can cause concurrently
  running programs to fail (e.g. Hydra jobs =>
  http://hydra.nixos.org/build/2267831).  You'd think the odds of this
  are very low, but they're not.

svn path=/nixos/trunk/; revision=32901
This commit is contained in:
Eelco Dolstra 2012-03-08 16:08:03 +00:00
parent 4869175158
commit e97817b577
1 changed files with 2 additions and 1 deletions
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3
modules/programs/bash/bash.nix
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@ -56,7 +56,8 @@ in
# Create the required /bin/sh symlink; otherwise lots of things # Create the required /bin/sh symlink; otherwise lots of things
# (notably the system() function) won't work. # (notably the system() function) won't work.
mkdir -m 0755 -p /bin mkdir -m 0755 -p /bin
ln -sfn ${config.system.build.binsh}/bin/sh /bin/sh ln -sfn ${config.system.build.binsh}/bin/sh /bin/.sh.tmp
mv /bin/.sh.tmp /bin/sh # atomically replace /bin/sh
''; '';
} }