From 71001b12156585a3b34bf47d95d738159df5d6ba Mon Sep 17 00:00:00 2001
From: Martin Gondermann <magicmonty@pagansoft.de>
Date: Fri, 27 Jun 2014 22:17:34 +0200
Subject: [PATCH] Implemented the possibility for an indicator which shows the
 result of the last command. To enable just write

export GIT_PROMPT_SHOW_LAST_COMMAND_INDICATOR=1

just before sourcing the gitprompt.sh

fixes #60
---
 README.md            |  3 +++
 git-prompt-colors.sh |  3 +++
 gitprompt.sh         | 24 ++++++++++++++++++------
 3 files changed, 24 insertions(+), 6 deletions(-)

diff --git a/README.md b/README.md
index ce3102a..31ea14c 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,9 @@ function prompt_callback {
 
 - If you want to show the git prompt only, if you are in a git repository you can set ``GIT_PROMPT_ONLY_IN_REPO=1`` before sourcing the gitprompt script
 
+- You can show an additional indicator at the start of the prompt, which shows the result of the last executed command by setting ``GIT_PROMPT_SHOW_LAST_COMMAND_INDICATOR=1`` before sourcing the gitprompt script
+
+
 -  You can get help on the git prompt with the function ``git_prompt_help``.
     Examples are available with ``git_prompt_examples``.
 
diff --git a/git-prompt-colors.sh b/git-prompt-colors.sh
index 355811c..73e10a8 100644
--- a/git-prompt-colors.sh
+++ b/git-prompt-colors.sh
@@ -16,6 +16,9 @@ GIT_PROMPT_UNTRACKED="${Cyan}…"       # the number of untracked files/dirs
 GIT_PROMPT_STASHED="${BoldBlue}⚑"     # the number of stashed files/dir
 GIT_PROMPT_CLEAN="${BoldGreen}✔"      # a colored flag indicating a "clean" repo
 
+GIT_PROMPT_COMMAND_OK="${Green}✔ "    # indicator if the last command returned with an exit code of 0
+GIT_PROMPT_COMMAND_FAIL="${Red}✘ "   # indicator if the last command returned with an exit code of other than 0
+
 GIT_PROMPT_START_USER="${Yellow}${PathShort}${ResetColor}"
 GIT_PROMPT_START_ROOT="${Yellow}${PathShort}${ResetColor}"
 GIT_PROMPT_END_USER=" \n${White}${Time12a}${ResetColor} $ "
diff --git a/gitprompt.sh b/gitprompt.sh
index 49213d9..03d288a 100755
--- a/gitprompt.sh
+++ b/gitprompt.sh
@@ -43,6 +43,7 @@ function git_prompt_config()
   local Red="\[\033[0;31m\]"
   local Blue="\[\033[0;34m\]"
   local Cyan="\[\033[0;36m\]"
+  local Green="\[\033[0;32m\]"
 
   #Checking if root to change output
   _isroot=false
@@ -88,6 +89,8 @@ function git_prompt_config()
     GIT_PROMPT_UNTRACKED="${Cyan}…"
     GIT_PROMPT_STASHED="${BoldBlue}⚑"
     GIT_PROMPT_CLEAN="${BoldGreen}✔"
+    GIT_PROMPT_COMMAND_OK="${Green}✔ "
+    GIT_PROMPT_COMMAND_FAIL="${Red}✘ "
 
     GIT_PROMPT_START_USER="${Yellow}${PathShort}${ResetColor}"
     GIT_PROMPT_START_ROOT="${Yellow}${PathShort}${ResetColor}"
@@ -97,7 +100,15 @@ function git_prompt_config()
     # Please do not add colors to these symbols
     GIT_PROMPT_SYMBOLS_AHEAD="↑·"
     GIT_PROMPT_SYMBOLS_BEHIND="↓·"
-    GIT_PROMPT_SYMBOLS_PREHASH=":"
+    GIT_PROMPT_SYMBOLS_PREHASH=":"    
+  fi
+
+  if [ "x${GIT_PROMPT_SHOW_LAST_COMMAND_INDICATOR}" == "x1" ]; then
+  	if [ $LAST_COMMAND_STATE = 0 ]; then
+  		LAST_COMMAND_INDICATOR="${GIT_PROMPT_COMMAND_OK}";
+  	else
+  		LAST_COMMAND_INDICATOR="${GIT_PROMPT_COMMAND_FAIL}";
+  	fi
   fi
 
   if [ "x${GIT_PROMPT_START}" == "x" ]; then
@@ -133,11 +144,11 @@ function git_prompt_config()
     EMPTY_PROMPT=$OLD_GITPROMPT
   else
     if [[ -n "${VIRTUAL_ENV}" ]]; then
-      EMPTY_PROMPT="(${Blue}$(basename "${VIRTUAL_ENV}")${ResetColor}) ${PROMPT_START}$($prompt_callback)${PROMPT_END}"
+      EMPTY_PROMPT="${LAST_COMMAND_INDICATOR}(${Blue}$(basename "${VIRTUAL_ENV}")${ResetColor}) ${PROMPT_START}$($prompt_callback)${PROMPT_END}"
     elif [[ -n "${CONDA_DEFAULT_ENV}" ]]; then
-      EMPTY_PROMPT="(${Blue}$(basename "${CONDA_DEFAULT_ENV}")${ResetColor}) ${PROMPT_START}$($prompt_callback)${PROMPT_END}"
+      EMPTY_PROMPT="${LAST_COMMAND_INDICATOR}(${Blue}$(basename "${CONDA_DEFAULT_ENV}")${ResetColor}) ${PROMPT_START}$($prompt_callback)${PROMPT_END}"
     else
-      EMPTY_PROMPT="${PROMPT_START}$($prompt_callback)${PROMPT_END}"
+      EMPTY_PROMPT="${LAST_COMMAND_INDICATOR}${PROMPT_START}$($prompt_callback)${PROMPT_END}"
     fi
   fi
 
@@ -159,6 +170,7 @@ function git_prompt_config()
 }
 
 function setGitPrompt() {
+  LAST_COMMAND_STATE=$?
 
   local EMPTY_PROMPT
   local __GIT_STATUS_CMD
@@ -204,13 +216,13 @@ function updatePrompt() {
   local GIT_PROMPT_UNTRACKED
   local GIT_PROMPT_STASHED
   local GIT_PROMPT_CLEAN
+  local LAST_COMMAND_INDICATOR
   local PROMPT_LEADING_SPACE
   local PROMPT_START
   local PROMPT_END
   local EMPTY_PROMPT
   local GIT_PROMPT_FETCH_TIMEOUT
   local __GIT_STATUS_CMD
-
   local Blue="\[\033[0;34m\]"
 
   git_prompt_config
@@ -265,7 +277,7 @@ function updatePrompt() {
     STATUS="${STATUS}${ResetColor}${GIT_PROMPT_SUFFIX}"
 
 
-    PS1="${PROMPT_START}$($prompt_callback)${STATUS}${PROMPT_END}"
+    PS1="${LAST_COMMAND_INDICATOR}${PROMPT_START}$($prompt_callback)${STATUS}${PROMPT_END}"
     if [[ -n "${VIRTUAL_ENV}" ]]; then
       PS1="(${Blue}$(basename ${VIRTUAL_ENV})${ResetColor}) ${PS1}"
     fi