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nix-bash-completions: lazy load aware install

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`bash-completion` lazy loads completion scripts by looking up the command name
in the completion directory. As such we need to create a symlink for every
nix command.

The problem had been masked by nixos sourcing all completion scripts on startup.
This commit is contained in:
Tor Hedin Brønner 2017-12-10 12:41:24 +01:00 committed by Orivej Desh
parent 166536e152
commit f79d69113e
1 changed files with 14 additions and 4 deletions
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18
pkgs/shells/nix-bash-completions/default.nix
View File

@ -1,19 +1,29 @@
{ stdenv, fetchFromGitHub }:
stdenv.mkDerivation rec {
version = "0.6";
version = "0.6.1";
name = "nix-bash-completions-${version}";
src = fetchFromGitHub {
owner = "hedning";
repo = "nix-bash-completions";
rev = "v${version}";
sha256 = "093rla6wwx51fclh7xm8qlssx70hj0fj23r59qalaaxf7fdzg2hf";
sha256 = "10nzdn249f0cw6adgpbpg4x90ysvxm7vs9jjbbwynfh9kngijp64";
};
# To enable lazy loading via. bash-completion we need a symlink to the script
# from every command name.
installPhase = ''
mkdir -p $out/share/bash-completion/completions
cp _nix $out/share/bash-completion/completions
commands=$(
function complete() { shift 2; echo "$@"; }
shopt -s extglob
source _nix
)
install -Dm444 -t $out/share/bash-completion/completions _nix
cd $out/share/bash-completion/completions
for c in $commands; do
ln -s _nix $c
done
'';
meta = with stdenv.lib; {