add oh-my-zsh theme compatibility git funcs

modules/git/README.md

@@ -3,7 +3,10 @@ Git
 
 Provides nice git aliases and functions.
 
-Many thanks to [Sorin Ionescu](https://github.com/sorin-ionescu) for these.
+Also provides functions necessary for many prompts.
+
+Many thanks to [Sorin Ionescu](https://github.com/sorin-ionescu) for the excellent aliases.
+
 
 Aliases
 -------
@@ -203,6 +206,7 @@ You can temporarily bypass an alias by prefixing it with a backward slash:
 Functions
 ---------
 
+  General:
   - `git-branch-current` displays the current branch.
   - `git-commit-lost` lists lost commits.
   - `git-dir` displays the path to the Git directory.
@@ -215,3 +219,7 @@ Functions
   - `git-stash-recover` recovers given dropped stashed states.
   - `git-submodule-move` moves a submodule.
   - `git-submodule-remove` removes a submodule.
+
+  Prompt:
+  - `git_prompt_info` provides git information to oh-my-zsh sourced prompts.
+  - `parse-git-dirty` needed for `git-prompt-info` to check if repo is dirty.

modules/git/functions/git_prompt_info

@@ -0,0 +1,8 @@
+# slightly modified git_prompt_info from oh-my-zsh for theme compatibility
+
+local ref
+if [[ ${zgit_hide_prompt} != 'true' ]]; then
+ ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
+ ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
+ print "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
+fi

modules/git/functions/parse_git_dirty

@@ -0,0 +1,18 @@
+# slightly modified parse_git_dirty from oh-my-zsh for theme compatibility
+# not supporting git < 1.7.2; upgrade your shit
+
+local STATUS=''
+local FLAGS=('--porcelain' '--ignore-submodules=dirty')
+if [[ ${zgit_hide_prompt} != 'true' ]]; then
+  if [[ "$zgit_disable_untracked_dirty" == "true" ]]; then
+    FLAGS+='--untracked-files=no'
+  fi
+  STATUS=$(command git status ${FLAGS} 2> /dev/null | tail -n1)
+fi
+if [[ -n $STATUS ]]; then
+  print ${ZSH_THEME_GIT_PROMPT_DIRTY}
+else
+  print ${ZSH_THEME_GIT_PROMPT_CLEAN}
+fi
+
+#unset FLAGS STATUS