From f140104e4a6cbe419f957c761884d279dbcfeb8a Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Thu, 6 Apr 2017 23:17:32 -0500
Subject: [PATCH 1/6] only show go_version segment if inside GOPATH

As of Go v1.8 GOPATH need not be set, as it will default to $HOME/go. By using `go env GOPATH` to retrieve the value first, this technique will work regardless of whether GOPATH is currently set by the user.
---
 powerlevel9k.zsh-theme | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index bbd1ec44..09ce6b3d 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -744,9 +744,11 @@ prompt_docker_machine() {
 # GO prompt
 prompt_go_version() {
   local go_version
+  local go_path
   go_version=$(go version 2>/dev/null | sed -E "s/.*(go[0-9.]*).*/\1/")
+  go_path=$(go env GOPATH)
 
-  if [[ -n "$go_version" ]]; then
+  if [[ -n "$go_version" && "${PWD##$go_path}" != "$PWD" ]]; then
     "$1_prompt_segment" "$0" "$2" "green" "255" "$go_version"
   fi
 }

From 21d8fc63780f6046267ef9d4c1df46de2eac9913 Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Wed, 12 Apr 2017 17:09:23 -0500
Subject: [PATCH 2/6] Redirect stderr for GOPATH check to /dev/null

Accounts for instances where `go` binary is not installed.
---
 powerlevel9k.zsh-theme | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 09ce6b3d..73dedcf6 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -746,7 +746,7 @@ prompt_go_version() {
   local go_version
   local go_path
   go_version=$(go version 2>/dev/null | sed -E "s/.*(go[0-9.]*).*/\1/")
-  go_path=$(go env GOPATH)
+  go_path=$(go env GOPATH 2>/dev/null)
 
   if [[ -n "$go_version" && "${PWD##$go_path}" != "$PWD" ]]; then
     "$1_prompt_segment" "$0" "$2" "green" "255" "$go_version"

From 192d634e08c428fb3ea82aefc3665dba941be3d8 Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Wed, 19 Apr 2017 00:09:07 -0500
Subject: [PATCH 3/6] ensure go_version segment prints if PWD is subset of
 non-empty GOPATH

---
 test/segments/go_version.spec | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/test/segments/go_version.spec b/test/segments/go_version.spec
index aa9f625d..173086e0 100755
--- a/test/segments/go_version.spec
+++ b/test/segments/go_version.spec
@@ -19,8 +19,11 @@ function testGo() {
   alias go=mockGo
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(go_version)
 
+  PWD="$HOME/go/src/github.com/bhilburn/powerlevel9k"
+
   assertEquals "%K{green} %F{255}go1.5.3 %k%F{green}%f " "$(build_left_prompt)"
 
+  unset PWD
   unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
   unalias go
 }

From ac3307400d06c98205e84823b913f40ac584680e Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Wed, 19 Apr 2017 00:11:02 -0500
Subject: [PATCH 4/6] update go mock to allow for both version and env
 sub-commands

---
 test/segments/go_version.spec | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/test/segments/go_version.spec b/test/segments/go_version.spec
index 173086e0..a085f3b3 100755
--- a/test/segments/go_version.spec
+++ b/test/segments/go_version.spec
@@ -12,7 +12,14 @@ function setUp() {
 }
 
 function mockGo() {
-  echo 'go version go1.5.3 darwin/amd64'
+  case "$1" in
+  'version')
+    echo 'go version go1.5.3 darwin/amd64'
+    ;;
+  'env')
+    echo "$HOME/go"
+    ;;
+  esac
 }
 
 function testGo() {

From 0519384d57cc019ca6df48940483a14b94e3d57f Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Wed, 19 Apr 2017 00:11:54 -0500
Subject: [PATCH 5/6] test that go_segment prints nothing if GOPATH is set but
 is not a subset of PWD

---
 test/segments/go_version.spec | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/test/segments/go_version.spec b/test/segments/go_version.spec
index a085f3b3..3bbad1be 100755
--- a/test/segments/go_version.spec
+++ b/test/segments/go_version.spec
@@ -35,6 +35,17 @@ function testGo() {
   unalias go
 }
 
+function testGoSegmentPrintsNothingIfNotInGopath() {
+  alias go=mockGo
+  POWERLEVEL9K_CUSTOM_WORLD='echo world'
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(custom_world go_version)
+
+  assertEquals "%K{white} %F{black}world %k%F{white}%f " "$(build_left_prompt)"
+
+  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  unset POWERLEVEL9K_CUSTOM_WORLD
+}
+
 function testGoSegmentPrintsNothingIfGoIsNotAvailable() {
   alias go=noGo
   POWERLEVEL9K_CUSTOM_WORLD='echo world'

From 55cf15ac41219e50d380adf9b5140b4cf9c259f5 Mon Sep 17 00:00:00 2001
From: Jason Hutchinson <zikes@zikes.me>
Date: Wed, 19 Apr 2017 00:12:34 -0500
Subject: [PATCH 6/6] test that go_segment prints nothing if GOPATH is not set

---
 test/segments/go_version.spec | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/test/segments/go_version.spec b/test/segments/go_version.spec
index 3bbad1be..907dceb3 100755
--- a/test/segments/go_version.spec
+++ b/test/segments/go_version.spec
@@ -22,6 +22,17 @@ function mockGo() {
   esac
 }
 
+function mockGoEmptyGopath() {
+  case "$1" in
+  'version')
+    echo 'go version go1.5.3 darwin/amd64'
+    ;;
+  'env')
+    echo ""
+    ;;
+  esac
+}
+
 function testGo() {
   alias go=mockGo
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(go_version)
@@ -35,6 +46,18 @@ function testGo() {
   unalias go
 }
 
+function testGoSegmentPrintsNothingIfEmptyGopath() {
+  alias go=mockGoEmptyGopath
+  POWERLEVEL9K_CUSTOM_WORLD='echo world'
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(custom_world go_version)
+
+  assertEquals "%K{white} %F{black}world %k%F{white}%f " "$(build_left_prompt)"
+
+  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+  unset POWERLEVEL9K_CUSTOM_WORLD
+
+}
+
 function testGoSegmentPrintsNothingIfNotInGopath() {
   alias go=mockGo
   POWERLEVEL9K_CUSTOM_WORLD='echo world'