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env: add set_preferred function

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PowerUser64 2025-05-30 14:53:52 -07:00
parent 91d650025a
commit eaaeb9fb86
1 changed files with 33 additions and 26 deletions
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59
.config/shell/env
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@ -3,30 +3,37 @@
# This file should be compatible with standard sh # This file should be compatible with standard sh
# shellcheck disable=SC2034 # shellcheck disable=SC2034
# path_append from https://superuser.com/questions/39751/add-directory-to-path-if-its-not-already-there
# checks if a path is already in the PATH and if it exists # checks if a path is already in the PATH and if it exists
path_append() { path_append() {
if [ -d "$1" ]; then if [ -d "$1" ]; then
# posix SH doesn't have [[, so we skip testing if the path is already in the PATH for simplicity case ":$PATH:" in
# shellcheck disable=SC3010 (:"$1":) ;;
if command '[[' > /dev/null 2>&1 && [[ ":$PATH:" != *":$1:"* ]]; then (*)
PATH="${PATH:+"$PATH:"}$1" PATH="${PATH:+"$PATH:"}$1" ;;
else esac
PATH="$PATH:$1"
fi
fi fi
} }
path_prepend() { path_prepend() {
if [ -d "$1" ]; then if [ -d "$1" ]; then
# posix SH doesn't have [[, so we skip testing if the path is in the PATH already for simplicity case ":$PATH:" in
# shellcheck disable=SC3010 (:"$1":) ;;
if command '[[' > /dev/null 2>&1 && [[ ":$PATH:" != *":$1:"* ]]; then (*)
PATH="$1${PATH:+":$PATH"}" PATH="$1${PATH:+":$PATH"}" ;;
else esac
PATH="$1:$PATH"
fi
fi fi
} }
set_preferred() {
var="$1"
shift
for p; do
if command -v "$p" > /dev/null; then
eval "$var="'"$p"'
return
fi
done
echo "Error (env): couldn't find a valid candidate for \$$var"
unset var
}
# these would be temp vars, but ZSH does something weird where it makes them evaluate at runtime instead of # these would be temp vars, but ZSH does something weird where it makes them evaluate at runtime instead of
export CONFIG_HOME="${XDG_DATA_HOME:-$HOME/.config}" export CONFIG_HOME="${XDG_DATA_HOME:-$HOME/.config}"
@ -59,21 +66,21 @@ if [ "${EDITOR:-}" = "" ] ||
[ "${EDITOR##*/}" = "nano" ] || [ "${EDITOR##*/}" = "nano" ] ||
! command -v "$EDITOR" > /dev/null ! command -v "$EDITOR" > /dev/null
then then
if command -v nvim > /dev/null;then set_preferred EDITOR nvim vim vi nano
export EDITOR=nvim
elif command -v vim > /dev/null;then
export EDITOR=vim
elif command -v vi > /dev/null;then
export EDITOR=vi
elif command -v nano > /dev/null; then
export EDITOR=nano
else
echo "Error: couldn't find a valid candidate for \$EDITOR" >&2
fi
fi fi
export SYSTEMD_EDITOR="$EDITOR" export SYSTEMD_EDITOR="$EDITOR"
export VISUAL="$EDITOR" export VISUAL="$EDITOR"
# Set a preferred terminal emulator
if [ "${TERM_EMU:-}" = "" ]; then
set_preferred TERM_EMU kitty alacritty
fi
# Set a preferred terminal emulator
if [ "${PAGER:-}" = "" ]; then
set_preferred PAGER less more
fi
# Tell zellij to auto attach by default instead of opening a new session # Tell zellij to auto attach by default instead of opening a new session
export ZELLIJ_AUTO_ATTACH=true export ZELLIJ_AUTO_ATTACH=true