simplify wrapped pathmunge logic. update tests to account for cases with spaces in $PATH.

plugins/available/go.plugin.bash

@@ -5,25 +5,15 @@ about-plugin 'go environment variables & path configuration'
 
 [ ! command -v go &>/dev/null ] && return
 
-function _split_path_reverse() {
+function _go_pathmunge_wrap() {
-  local a=( ${@//:/ } )
+  IFS=':' local -a 'a=($1)'
   local i=${#a[@]}
-  local r=
   while [ $i -gt 0 ] ; do
     i=$(( i - 1 ))
-    if [ $(( i + 1 )) -eq ${#a[@]} ] ; then
+    pathmunge "${a[i]}/bin"
-      r="${a[i]}"
-    else
-      r="${r} ${a[i]}"
-    fi
   done
-  echo "$r"
 }
 
-export GOROOT=${GOROOT:-$(go env GOROOT)}
+export GOROOT="${GOROOT:-$(go env GOROOT)}"
-pathmunge "${GOROOT}/bin"
+export GOPATH="${GOPATH:-$(go env GOPATH)}"
-
+_go_pathmunge_wrap "${GOPATH}:${GOROOT}"
-export GOPATH=${GOPATH:-$(go env GOPATH)}
-for p in $( _split_path_reverse ${GOPATH} ) ; do
-  pathmunge "${p}/bin"
-done

test/plugins/go.plugin.bats

@@ -1,44 +1,76 @@
 #!/usr/bin/env bats
 
-#load ../test_helper
 load ../../lib/helpers
 load ../../lib/composure
-load ../../plugins/available/go.plugin
-
-@test 'plugins go: reverse path: single entry' {
-  run _split_path_reverse '/foo'
-  echo "output = ${output}"
-  [ "$output" = "/foo" ]
-}
-
-@test 'plugins go: reverse path: single entry, colon empty' {
-  run _split_path_reverse '/foo:'
-  echo "output = ${output}"
-  [ "$output" = "/foo" ]
-}
-
-@test 'plugins go: reverse path: single entry, colon whitespace' {
-  run _split_path_reverse '/foo: '
-  echo "output = ${output}"
-  [ "$output" = "/foo" ]
-}
-
-@test 'plugins go: reverse path: multiple entries' {
-  run _split_path_reverse '/foo:/bar'
-  echo "output = ${output}"
-  [ "$output" = "/bar /foo" ]
-}
 
 @test 'plugins go: single entry in GOPATH' {
+  export GOROOT="/baz"
   export GOPATH="/foo"
   load ../../plugins/available/go.plugin
-  echo "$(echo $PATH | cut -d':' -f1,2)"
+
+  echo "$(echo $PATH | cut -d':' -f1)"
   [ "$(echo $PATH | cut -d':' -f1)" = "/foo/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f2)"
+  [ "$(echo $PATH | cut -d':' -f2)" = "/baz/bin" ]
+}
+
+@test 'plugins go: single entry in GOPATH, with space' {
+  export GOROOT="/baz"
+  export GOPATH="/foo bar"
+  load ../../plugins/available/go.plugin
+
+  echo "$(echo $PATH | cut -d':' -f1)"
+  [ "$(echo $PATH | cut -d':' -f1)" = "/foo bar/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f2)"
+  [ "$(echo $PATH | cut -d':' -f2)" = "/baz/bin" ]
+}
+
+@test 'plugins go: single entry in GOPATH, with escaped space' {
+  export GOROOT="/baz"
+  export GOPATH="/foo\ bar"
+  load ../../plugins/available/go.plugin
+
+  echo "$(echo $PATH | cut -d':' -f1)"
+  [ "$(echo $PATH | cut -d':' -f1)" = "/foo\ bar/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f2)"
+  [ "$(echo $PATH | cut -d':' -f2)" = "/baz/bin" ]
 }
 
 @test 'plugins go: multiple entries in GOPATH' {
+  export GOROOT="/baz"
   export GOPATH="/foo:/bar"
   load ../../plugins/available/go.plugin
+
   echo "$(echo $PATH | cut -d':' -f1,2)"
   [ "$(echo $PATH | cut -d':' -f1,2)" = "/foo/bin:/bar/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f3)"
+  [ "$(echo $PATH | cut -d':' -f3)" = "/baz/bin" ]
+}
+
+@test 'plugins go: multiple entries in GOPATH, with space' {
+  export GOROOT="/baz"
+  export GOPATH="/foo:/foo bar"
+  load ../../plugins/available/go.plugin
+
+  echo "$(echo $PATH | cut -d':' -f1,2)"
+  [ "$(echo $PATH | cut -d':' -f1,2)" = "/foo/bin:/foo bar/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f3)"
+  [ "$(echo $PATH | cut -d':' -f3)" = "/baz/bin" ]
+}
+
+@test 'plugins go: multiple entries in GOPATH, with escaped space' {
+  export GOROOT="/baz"
+  export GOPATH="/foo:/foo\ bar"
+  load ../../plugins/available/go.plugin
+
+  echo "$(echo $PATH | cut -d':' -f1,2)"
+  [ "$(echo $PATH | cut -d':' -f1,2)" = "/foo/bin:/foo\ bar/bin" ]
+
+  echo "$(echo $PATH | cut -d':' -f3)"
+  [ "$(echo $PATH | cut -d':' -f3)" = "/baz/bin" ]
 }