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modules/programs/bash: Fix ShellCheck warnings

Browse source 
https://github.com/koalaman/shellcheck/wiki/SC2086
Double quote to prevent globbing and word splitting.

https://github.com/koalaman/shellcheck/wiki/SC2166
Prefer `[ p ] && [ q ]` as `[ p -a q ]` is not well defined.

https://github.com/koalaman/shellcheck/wiki/SC2219
Instead of `let expr`, prefer `(( expr ))` .

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg 2021-09-04 15:31:07 -07:00 committed by Raphael Megzari
parent 6b30660ee1
commit d44b6ae6cb
2 changed files with 5 additions and 5 deletions
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2
nixos/modules/programs/bash/bash-completion.nix
View file

@ -26,7 +26,7 @@ in
shopt -s nullglob
for p in $NIX_PROFILES; do
for m in "$p/etc/bash_completion.d/"*; do
. $m
. "$m"
done
done
eval "$nullglobStatus"

8
nixos/modules/programs/bash/bash.nix
View file

@ -78,10 +78,10 @@ in
promptInit = mkOption {
default = ''
# Provide a nice prompt if the terminal supports it.
if [ "$TERM" != "dumb" -o -n "$INSIDE_EMACS" ]; then
if [ "$TERM" != "dumb" ] || [ -n "$INSIDE_EMACS" ]; then
PROMPT_COLOR="1;31m"
let $UID && PROMPT_COLOR="1;32m"
if [ -n "$INSIDE_EMACS" -o "$TERM" == "eterm" -o "$TERM" == "eterm-color" ]; then
((UID)) && PROMPT_COLOR="1;32m"
if [ -n "$INSIDE_EMACS" ] || [ "$TERM" = "eterm" ] || [ "$TERM" = "eterm-color" ]; then
# Emacs term mode doesn't support xterm title escape sequence (\e]0;)
PS1="\n\[\033[$PROMPT_COLOR\][\u@\h:\w]\\$\[\033[0m\] "
else
@ -173,7 +173,7 @@ in
# /etc/bashrc: DO NOT EDIT -- this file has been generated automatically.
# Only execute this file once per shell.
if [ -n "$__ETC_BASHRC_SOURCED" -o -n "$NOSYSBASHRC" ]; then return; fi
if [ -n "$__ETC_BASHRC_SOURCED" ] || [ -n "$NOSYSBASHRC" ]; then return; fi
__ETC_BASHRC_SOURCED=1
# If the profile was not loaded in a parent process, source