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-rwxr-xr-xrpath.sh17
1 files changed, 13 insertions, 4 deletions
diff --git a/rpath.sh b/rpath.sh
index 1f24420..d71237c 100755
--- a/rpath.sh
+++ b/rpath.sh
@@ -29,8 +29,12 @@ _export_path() {
echo "hash -r"
}
+_warn() {
+ echo "echo '${@//\'/\'\\\'\'}' 1>&2"
+}
+
_die() {
- [[ -n "${@}" ]] && echo "echo '${@//\'/\'\\\'\'}' 1>&2"
+ [[ -n "${@}" ]] && _warn "${@}"
echo "false"
exit 1
@@ -118,7 +122,12 @@ rpath_ls() {
}
rpath_get() {
- current="$(_get)" && _echo "${current}"
+ current="$(_get)" || _die 'No rubies found in PATH.'
+
+ [[ $(wc -l <<< "${current}") -gt 1 ]] \
+ && _warn 'Warning: multiple rubies found in PATH.'
+
+ _echo "${current}"
}
rpath_set() {
@@ -148,11 +157,11 @@ rpath_clear() {
rpath_help() {
_echo 'Usage: rpath <command> [args]'
_echo
- _echo 'Available options:'
+ _echo 'Commands:'
_echo ' ls List all available rubies.'
_echo ' get Display currently selected ruby.'
_echo ' set Select specified ruby.'
- _echo ' clear Clear path of any rpath rubies.'
+ _echo ' clear Clear path of any rubies.'
_echo ' help Display this help information.'
}