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rewrite ADDPATH to handle more stuff

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This commit is contained in:
Connor Olding 2022-10-09 14:52:44 -07:00
parent 49f05a058d
commit 021aa8c0ba
1 changed files with 21 additions and 7 deletions
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28
home/shrc
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@ -22,17 +22,31 @@ else
fi
ADDPATH() { ### @- append a directory to `$PATH` if it isn't already present.
if [ "$1" != "${1#[A-Z]:\\}" ]; then
set -- "$(cygpath -u "$1")"
if [ $# -ne 1 ]; then
printf 'ADDPATH: expected exactly 1 argument, got %s\n' $# >&2
return 2
fi
if [ "$1" != "${1#[A-Z]:\\}" ]; then
set -- "$(cygpath -u "$1" || printf '%s\n' "$1")"
fi
set -- "$(readlink -f "$1")" "$1"
if ! [ -d "$1" ]; then
if [ -e "$1" ]; then
printf 'ADDPATH: not a directory: %s\n' "$1" >&2
else
set -- "$2" "$( (true <"$2") 2>&1)"
[ -z "$ZSH_VERSION" ] || 2="${2%: *}"
printf 'ADDPATH: %s: %s\n' "$1" "${2##*: }" >&2
fi
local new="$(readlink -f "$1")"
if [ ! -d "$new" ]; then
printf 'ADDPATH: path does not exist: %s\n' "$1" >&2
return 1
fi
if [ ${#PATH} = 0 ]; then
PATH="$1"
return 0
fi
case ":$PATH:" in
(*":$new:"*) :;;
(*) export PATH="$PATH:$new";;
(*":$1:"*) :;;
(*) PATH="$PATH:$1";;
esac
}