Merge pull request #45 from dritter/dritter/symfony2_version

Added a segment that shows the Symfony2 version number.

README.md

@@ -225,6 +225,7 @@ currently available are:
 * **rspec_stats** - Show a ratio of test classes vs code classes for RSpec.
 * **status** - The return code of the previous command, and status of background jobs.
 * **symfony2_tests** - Show a ratio of test classes vs code classes for Symfony2.
+* **symfony2_version** - Show the current Symfony2 version, if you are in a Symfony2-Project dir.
 * **time** - System time.
 * **virtualenv** - Your Python [VirtualEnv](https://virtualenv.pypa.io/en/latest/).
 * **vcs** - Information about this `git` or `hg` repository (if you are in one).

powerlevel9k.zsh-theme

@@ -61,6 +61,7 @@ case $POWERLEVEL9K_MODE in
     TEST_ICON="\uE891" # 
     OK_ICON="\u2713" # ✓
     FAIL_ICON="\u2718" # ✘
+    SYMFONY_ICON="SF"
     VCS_UNTRACKED_ICON="\uE16C" # 
     VCS_UNSTAGED_ICON="\uE17C" # 
     VCS_STAGED_ICON="\uE168" # 
@@ -90,6 +91,7 @@ case $POWERLEVEL9K_MODE in
     TEST_ICON=''
     OK_ICON="\u2713" # ✓
     FAIL_ICON="\u2718" # ✘
+    SYMFONY_ICON="SF"
     VCS_UNTRACKED_ICON='?'
     VCS_UNSTAGED_ICON="\u25CF" # ●
     VCS_STAGED_ICON="\u271A" # ✚
@@ -117,6 +119,7 @@ case $POWERLEVEL9K_MODE in
     TEST_ICON="\uE891" # 
     OK_ICON="\u2713" # ✓
     FAIL_ICON="\u2718" # ✘
+    SYMFONY_ICON="SF"
     VCS_UNTRACKED_ICON="\uE16C" # 
     VCS_UNSTAGED_ICON="\uE17C" # 
     VCS_STAGED_ICON="\uE168" # 
@@ -148,6 +151,7 @@ case $POWERLEVEL9K_MODE in
     TEST_ICON=''
     OK_ICON="\u2713" # ✓
     FAIL_ICON="\u2718" # ✘
+    SYMFONY_ICON="SF"
     VCS_UNTRACKED_ICON='?'
     VCS_UNSTAGED_ICON="\u25CF" # ●
     VCS_STAGED_ICON="\u271A" # ✚
@@ -511,6 +515,14 @@ prompt_symfony2_tests() {
   fi
 }
 
+# Symfony2-Version
+prompt_symfony2_version() {
+  if [[ -f app/bootstrap.php.cache ]]; then
+    local symfony2_version=$(grep " VERSION " app/bootstrap.php.cache | sed -e 's/[^.0-9]*//g')
+    $1_prompt_segment "$0" "240" "$DEFAULT_COLOR" "$SYMFONY_ICON $symfony2_version"
+  fi
+}
+
 # Show a ratio of tests vs code
 build_test_stats() {
   local code_amount="$3"