zsh/lib/git.zsh

   1 # get the name of the branch we are on
   2 function git_prompt_info() {
   3   ref=$(git symbolic-ref HEAD 2> /dev/null) || \
   4   ref=$(git rev-parse --short HEAD 2> /dev/null) || return
   5   echo "$ZSH_THEME_GIT_PROMPT_PREFIX${ref#refs/heads/}$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_SUFFIX"
   6 }
   7
   8
   9 # Checks if working tree is dirty
  10 parse_git_dirty() {
  11   local SUBMODULE_SYNTAX=''
  12   if [[ $POST_1_7_2_GIT -gt 0 ]]; then
  13         SUBMODULE_SYNTAX="--ignore-submodules=dirty"
  14   fi
  15   if [[ -n $(git status -s ${SUBMODULE_SYNTAX}  2> /dev/null) ]]; then
  16     echo "$ZSH_THEME_GIT_PROMPT_DIRTY"
  17   else
  18     echo "$ZSH_THEME_GIT_PROMPT_CLEAN"
  19   fi
  20 }
  21
  22 # get the difference between the local and remote branches
  23 git_remote_status() {
  24     remote=${$(git rev-parse --verify ${hook_com[branch]}@{upstream} --symbolic-full-name 2>/dev/null)/refs\/remotes\/}
  25     if [[ -n ${remote} ]] ; then
  26         ahead=$(git rev-list ${hook_com[branch]}@{upstream}..HEAD 2>/dev/null | wc -l)
  27         behind=$(git rev-list HEAD..${hook_com[branch]}@{upstream} 2>/dev/null | wc -l)
  28
  29         if [ $ahead -eq 0 ] && [ $behind -gt 0 ]
  30         then
  31             echo "$ZSH_THEME_GIT_PROMPT_BEHIND_REMOTE"
  32         elif [ $ahead -gt 0 ] && [ $behind -eq 0 ]
  33         then
  34             echo "$ZSH_THEME_GIT_PROMPT_AHEAD_REMOTE"
  35         elif [ $ahead -gt 0 ] && [ $behind -gt 0 ]
  36         then
  37             echo "$ZSH_THEME_GIT_PROMPT_DIVERGED_REMOTE"
  38         fi
  39     fi
  40 }
  41
  42 # Checks if there are commits ahead from remote
  43 function git_prompt_ahead() {
  44   if $(echo "$(git log origin/$(current_branch)..HEAD 2> /dev/null)" | grep '^commit' &> /dev/null); then
  45     echo "$ZSH_THEME_GIT_PROMPT_AHEAD"
  46   fi
  47 }
  48
  49 # Formats prompt string for current git commit short SHA
  50 function git_prompt_short_sha() {
  51   SHA=$(git rev-parse --short HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
  52 }
  53
  54 # Formats prompt string for current git commit long SHA
  55 function git_prompt_long_sha() {
  56   SHA=$(git rev-parse HEAD 2> /dev/null) && echo "$ZSH_THEME_GIT_PROMPT_SHA_BEFORE$SHA$ZSH_THEME_GIT_PROMPT_SHA_AFTER"
  57 }
  58
  59 # Get the status of the working tree
  60 git_prompt_status() {
  61   INDEX=$(git status --porcelain 2> /dev/null)
  62   STATUS=""
  63   if $(echo "$INDEX" | grep '^?? ' &> /dev/null); then
  64     STATUS="$ZSH_THEME_GIT_PROMPT_UNTRACKED$STATUS"
  65   fi
  66   if $(echo "$INDEX" | grep '^A  ' &> /dev/null); then
  67     STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
  68   elif $(echo "$INDEX" | grep '^M  ' &> /dev/null); then
  69     STATUS="$ZSH_THEME_GIT_PROMPT_ADDED$STATUS"
  70   fi
  71   if $(echo "$INDEX" | grep '^ M ' &> /dev/null); then
  72     STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  73   elif $(echo "$INDEX" | grep '^AM ' &> /dev/null); then
  74     STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  75   elif $(echo "$INDEX" | grep '^ T ' &> /dev/null); then
  76     STATUS="$ZSH_THEME_GIT_PROMPT_MODIFIED$STATUS"
  77   fi
  78   if $(echo "$INDEX" | grep '^R  ' &> /dev/null); then
  79     STATUS="$ZSH_THEME_GIT_PROMPT_RENAMED$STATUS"
  80   fi
  81   if $(echo "$INDEX" | grep '^ D ' &> /dev/null); then
  82     STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
  83   elif $(echo "$INDEX" | grep '^AD ' &> /dev/null); then
  84     STATUS="$ZSH_THEME_GIT_PROMPT_DELETED$STATUS"
  85   fi
  86   if $(echo "$INDEX" | grep '^UU ' &> /dev/null); then
  87     STATUS="$ZSH_THEME_GIT_PROMPT_UNMERGED$STATUS"
  88   fi
  89   echo $STATUS
  90 }
  91
  92 #compare the provided version of git to the version installed and on path
  93 #prints 1 if input version <= installed version
  94 #prints -1 otherwise
  95 function git_compare_version() {
  96   local INPUT_GIT_VERSION=$1;
  97   local INSTALLED_GIT_VERSION
  98   INPUT_GIT_VERSION=(${(s/./)INPUT_GIT_VERSION});
  99   INSTALLED_GIT_VERSION=($(git --version));
 100   INSTALLED_GIT_VERSION=(${(s/./)INSTALLED_GIT_VERSION[3]});
 101
 102   for i in {1..3}; do
 103     if [[ $INSTALLED_GIT_VERSION[$i] -lt $INPUT_GIT_VERSION[$i] ]]; then
 104       echo -1
 105       return 0
 106     fi
 107   done
 108   echo 1
 109 }
 110
 111 #this is unlikely to change so make it all statically assigned
 112 POST_1_7_2_GIT=$(git_compare_version "1.7.2")
 113 #clean up the namespace slightly by removing the checker function
 114 unset -f git_compare_version
 115
 116