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feat(users/multi/home): add readline configuration and nix-shell handling to bashrc.

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This adds my standard inputrc to my home-manager configuration, via the
latter's readline module, and adds nix-shell detection to my bash prompt
string.

Additionally, nix-shell is wrapped in a shell function, so that entering
a nix-shell environment automatically runs bash as a subprocess where
appropriate, as the default environment spawned by nix-shell is not to
my liking.

Change-Id: Id5b1b9415a185ad9920f268c66de32d6ccc0b452
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2146
Reviewed-by: multi <depot@in-addr.xyz>
Tested-by: BuildkiteCI
This commit is contained in:
multi 2020-11-23 09:34:20 +00:00
parent f49c86139f
commit c56f402383
1 changed files with 40 additions and 3 deletions
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43
users/multi/home/configs/whitby.nix
View file

@ -19,16 +19,53 @@ in
bash = {
enable = true;
initExtra = ''
bind '"\e[5~":history-search-backward'
bind '"\e[6~":history-search-forward'
PS1="[\\u@\\h:\\w"
if [[ -n "$IN_NIX_SHELL" ]]; then
PS1="$PS1 (nix-shell)]\\\$ "
else
PS1="$PS1]\\\$ "
fi
PS1="[\\u@\\h:\\w]\\\$ "
nix-shell() {
local comarg=0
for i in "$@"; do
[[ "$i" == "--command" ]] && comarg=1
done
if (( commarg == 0 )); then
command nix-shell --command bash "$@"
else
command nix-shell "$@"
fi
}
_Z_CMD=d
source ~/.z.sh
'';
};
readline = {
enable = true;
bindings = {
"\\e[5~" = "history-search-backward";
"\\e[6~" = "history-search-forward";
"\\C-w" = "\"\\e\\C-h\"";
};
includeSystemConfig = false;
variables = {
expand-tilde = true;
colored-stats = true;
page-completions = false;
menu-complete-display-prefix = true;
colored-completion-prefix = true;
completion-query-items = 0;
completion-ignore-case = true;
revert-all-at-newline = true;
show-all-if-ambiguous = true;
skip-completed-text = true;
};
};
tmux = {
enable = true;
terminal = "tmux-256color";