status-mobile/nix/bootstrapped-shell.nix

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#
# This Nix expression appends/modifies an existing attribute set in order to run scripts/setup if needed,
# as well as define STATUS_REACT_HOME
#
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{ stdenv, mkShell, target-os, git }:
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# Declare a specialized mkShell function which adds some bootstrapping
# so that e.g. STATUS_REACT_HOME is automatically available in the shell
attrs:
(mkShell.override({ inherit stdenv; }) attrs)
.overrideAttrs(super: {
nativeBuildInputs = (super.nativeBuildInputs or [ ]) ++ [ git ];
TARGET_OS = target-os;
shellHook = ''
set -e
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export LANG="en_US.UTF-8"
export LANGUAGE="en_US.UTF-8"
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export STATUS_REACT_HOME=$(git rev-parse --show-toplevel)
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${super.shellHook or ""}
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if [ "$IN_NIX_SHELL" != 'pure' ] && [ ! -f $STATUS_REACT_HOME/.ran-setup ]; then
$STATUS_REACT_HOME/scripts/setup
touch $STATUS_REACT_HOME/.ran-setup
fi
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set +e
'';
})