git.zsh Added

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+# Outputs current branch info in prompt format
+function git_prompt_info() {
+  local ref
+  if [[ "$(command git config --get oh-my-zsh.hide-status 2>/dev/null)" != "1" ]]; then
+    ref=$(command git symbolic-ref HEAD 2> /dev/null) || \
+    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return 0
+    echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
+  fi
+}
+
+# Checks if working tree is dirty
+function parse_git_dirty() {
+  local STATUS=''
+  local -a FLAGS
+  FLAGS=('--porcelain')
+  if [[ "$(command git config --get oh-my-zsh.hide-dirty)" != "1" ]]; then
+    if [[ $POST_1_7_2_GIT -gt 0 ]]; then
+      FLAGS+='--ignore-submodules=dirty'
+    fi
+    if [[ "$DISABLE_UNTRACKED_FILES_DIRTY" == "true" ]]; then
+      FLAGS+='--untracked-files=no'
+    fi
+    STATUS=$(command git status ${FLAGS} 2> /dev/null | tail -n1)
+  fi
+  if [[ -n $STATUS ]]; then
+    echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
+  else
+    echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
+  fi
+}
+
+# Gets the difference between the local and remote branches
+function git_remote_status() {
+    local remote ahead behind git_remote_status git_remote_status_detailed
+    remote=${$(command git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
+    if [[ -n ${remote} ]]; then
+        ahead=$(command git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
+        behind=$(command git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)
+
+        if [[ $ahead -eq 0 ]] && [[ $behind -eq 0 ]]; then
+            git_remote_status="$ZSH_THEME_GIT_PROMPT_EQUAL_REMOTE"
+        elif [[ $ahead -gt 0 ]] && [[ $behind -eq 0 ]]; then
+            git_remote_status="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE"
+            git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}"
+        elif [[ $behind -gt 0 ]] && [[ $ahead -eq 0 ]]; then
+            git_remote_status="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE"
+            git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}"
+        elif [[ $ahead -gt 0 ]] && [[ $behind -gt 0 ]]; then
+            git_remote_status="$ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE"
+            git_remote_status_detailed="$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE$((ahead))%{$reset_color%}$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE_COLOR$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE$((behind))%{$reset_color%}"
+        fi
+
+        if [[ -n $ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_DETAILED ]]; then
+            git_remote_status="$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_PREFIX$remote$git_remote_status_detailed$ZSH_THEME_GIT_PROMPT_REMOTE_STATUS_SUFFIX"
+        fi
+
+        echo $git_remote_status
+    fi
+}
+
+# Outputs the name of the current branch
+# Usage example: git pull origin $(git_current_branch)
+# Using '--quiet' with 'symbolic-ref' will not cause a fatal error (128) if
+# it's not a symbolic ref, but in a Git repo.
+function git_current_branch() {
+  local ref
+  ref=$(command git symbolic-ref --quiet HEAD 2> /dev/null)
+  local ret=$?
+  if [[ $ret != 0 ]]; then
+    [[ $ret == 128 ]] && return  # no git repo.
+    ref=$(command git rev-parse --short HEAD 2> /dev/null) || return
+  fi
+  echo ${ref#refs/heads/}
+}
+
+
+# Gets the number of commits ahead from remote
+function git_commits_ahead() {
+  if command git rev-parse --git-dir &>/dev/null; then
+    local commits="$(git rev-list --count @{upstream}..HEAD 2>/dev/null)"
+    if [[ -n "$commits" && "$commits" != 0 ]]; then
+      echo "$ZSH_THEME_GIT_COMMITS_AHEAD_PREFIX$commits$ZSH_THEME_GIT_COMMITS_AHEAD_SUFFIX"
+    fi
+  fi
+}
+
+# Gets the number of commits behind remote
+function git_commits_behind() {
+  if command git rev-parse --git-dir &>/dev/null; then
+    local commits="$(git rev-list --count HEAD..@{upstream} 2>/dev/null)"
+    if [[ -n "$commits" && "$commits" != 0 ]]; then
+      echo "$ZSH_THEME_GIT_COMMITS_BEHIND_PREFIX$commits$ZSH_THEME_GIT_COMMITS_BEHIND_SUFFIX"
+    fi
+  fi
+}
+
+# Outputs if current branch is ahead of remote
+function git_prompt_ahead() {
+  if [[ -n "$(command git rev-list origin/$(git_current_branch)..HEAD 2> /dev/null)" ]]; then
+    echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
+  fi
+}
+
+# Outputs if current branch is behind remote
+function git_prompt_behind() {
+  if [[ -n "$(command git rev-list HEAD..origin/$(git_current_branch) 2> /dev/null)" ]]; then
+    echo "$ZSH_THEME_GIT_PROMPT_BEHIND"
+  fi
+}
+
+# Outputs if current branch exists on remote or not
+function git_prompt_remote() {
+  if [[ -n "$(command git show-ref origin/$(git_current_branch) 2> /dev/null)" ]]; then
+    echo "$ZSH_THEME_GIT_PROMPT_REMOTE_EXISTS"
+  else
+    echo "$ZSH_THEME_GIT_PROMPT_REMOTE_MISSING"
+  fi
+}
+
+# Formats prompt string for current git commit short SHA
+function git_prompt_short_sha() {
+  local SHA
+  SHA=$(command git rev-parse --short HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
+}
+
+# Formats prompt string for current git commit long SHA
+function git_prompt_long_sha() {
+  local SHA
+  SHA=$(command git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
+}
+
+# Get the status of the working tree
+function git_prompt_status() {
+  local INDEX STATUS
+  INDEX=$(command git status --porcelain -b 2> /dev/null)
+  STATUS=""
+  if $(echo "$INDEX" | command grep -E '^\?\? ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^A  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
+  elif $(echo "$INDEX" | grep '^M  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
+  elif $(echo "$INDEX" | grep '^MM ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^ M ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  elif $(echo "$INDEX" | grep '^AM ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  elif $(echo "$INDEX" | grep '^MM ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  elif $(echo "$INDEX" | grep '^ T ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^R  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^ D ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
+  elif $(echo "$INDEX" | grep '^D  ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
+  elif $(echo "$INDEX" | grep '^AD ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
+  fi
+  if $(command git rev-parse --verify refs/stash >/dev/null 2>&1); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_STASHED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^UU ' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^## [^ ]\+ .*ahead' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_AHEAD$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^## [^ ]\+ .*behind' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_BEHIND$STATUS"
+  fi
+  if $(echo "$INDEX" | grep '^## [^ ]\+ .*diverged' &> /dev/null); then
+    STATUS="$ZSH_THEME_GIT_PROMPT_DIVERGED$STATUS"
+  fi
+  echo $STATUS
+}
+
+# Compares the provided version of git to the version installed and on path
+# Outputs -1, 0, or 1 if the installed version is less than, equal to, or
+# greater than the input version, respectively.
+function git_compare_version() {
+  local INPUT_GIT_VERSION INSTALLED_GIT_VERSION i
+  INPUT_GIT_VERSION=(${(s/./)1})
+  INSTALLED_GIT_VERSION=($(command git --version 2>/dev/null))
+  INSTALLED_GIT_VERSION=(${(s/./)INSTALLED_GIT_VERSION[3]})
+
+  for i in {1..3}; do
+    if [[ $INSTALLED_GIT_VERSION[$i] -gt $INPUT_GIT_VERSION[$i] ]]; then
+      echo 1
+      return 0
+    fi
+    if [[ $INSTALLED_GIT_VERSION[$i] -lt $INPUT_GIT_VERSION[$i] ]]; then
+      echo -1
+      return 0
+    fi
+  done
+  echo 0
+}
+
+# Outputs the name of the current user
+# Usage example: $(git_current_user_name)
+function git_current_user_name() {
+  command git config user.name 2>/dev/null
+}
+
+# Outputs the email of the current user
+# Usage example: $(git_current_user_email)
+function git_current_user_email() {
+  command git config user.email 2>/dev/null
+}
+
+# This is unlikely to change so make it all statically assigned
+POST_1_7_2_GIT=$(git_compare_version "1.7.2")
+# Clean up the namespace slightly by removing the checker function
+unfunction git_compare_version