Adding shortening of CWD and Golang

colorschemes/dark.colorscheme.bash

@@ -1,8 +1,10 @@
-CLOCK_THEME_PROMPT_COLOR=92
+CLOCK_THEME_PROMPT_COLOR=124
-CWD_THEME_PROMPT_COLOR=29
+CWD_THEME_PROMPT_COLOR=311
 HOST_THEME_PROMPT_COLOR=6
 SCM_THEME_PROMPT_CLEAN_COLOR=4
-SCM_THEME_PROMPT_DIRTY_COLOR=214
+SCM_THEME_PROMPT_DIRTY_COLOR=202
 SCM_THEME_PROMPT_STAGED_COLOR=30
 SCM_THEME_PROMPT_UNSTAGED_COLOR=129
 USER_INFO_THEME_PROMPT_COLOR=196
+GO_THEME_PROMPT_COLOR=19
+POWERLINE_GO_COLOR=33

colorschemes/light.colorscheme.bash

@@ -7,3 +7,5 @@ SCM_THEME_PROMPT_DIRTY_COLOR=9
 SCM_THEME_PROMPT_STAGED_COLOR=121
 SCM_THEME_PROMPT_UNSTAGED_COLOR=210
 USER_INFO_THEME_PROMPT_COLOR=46
+GO_THEME_PROMPT_COLOR=33
+POWERLINE_GO_COLOR=33

themes/base.theme.bash

@@ -83,35 +83,49 @@ RBENV_THEME_PROMPT_SUFFIX='|'
 RBFU_THEME_PROMPT_PREFIX=' |'
 RBFU_THEME_PROMPT_SUFFIX='|'
 
-GIT_EXE=`which git 2> /dev/null || true`
+GIT_EXE=$(which git 2>/dev/null || true)
-P4_EXE=`which p4 2> /dev/null || true`
+P4_EXE=$(which p4 2>/dev/null || true)
-HG_EXE=`which hg  2> /dev/null || true`
+HG_EXE=$(which hg 2>/dev/null || true)
-SVN_EXE=`which svn  2> /dev/null || true`
+SVN_EXE=$(which svn 2>/dev/null || true)
 
-function scm {
+function scm() {
-  if [[ "$SCM_CHECK" = false ]]; then SCM=$SCM_NONE
+  if [[ "$SCM_CHECK" = false ]]; then
-  elif [[ -f .git/HEAD ]] && [[ -x "$GIT_EXE" ]]; then SCM=$SCM_GIT
+    SCM=$SCM_NONE
-  elif [[ -x "$GIT_EXE" ]] && [[ -n "$(git rev-parse --is-inside-work-tree 2> /dev/null)" ]]; then SCM=$SCM_GIT
+  elif [[ -f .git/HEAD ]] && [[ -x "$GIT_EXE" ]]; then
-  elif [[ -x "$P4_EXE" ]] && [[ -n "$(p4 set P4CLIENT 2> /dev/null)" ]]; then SCM=$SCM_P4
+    SCM=$SCM_GIT
-  elif [[ -d .hg ]] && [[ -x "$HG_EXE" ]]; then SCM=$SCM_HG
+  elif [[ -x "$GIT_EXE" ]] && [[ -n "$(git rev-parse --is-inside-work-tree 2>/dev/null)" ]]; then
-  elif [[ -x "$HG_EXE" ]] && [[ -n "$(hg root 2> /dev/null)" ]]; then SCM=$SCM_HG
+    SCM=$SCM_GIT
-  elif [[ -d .svn ]] && [[ -x "$SVN_EXE" ]]; then SCM=$SCM_SVN
+  elif [[ -x "$P4_EXE" ]] && [[ -n "$(p4 set P4CLIENT 2>/dev/null)" ]]; then
-  elif [[ -x "$SVN_EXE" ]] && [[ -n "$(svn info --show-item wc-root 2>/dev/null)" ]]; then SCM=$SCM_SVN
+    SCM=$SCM_P4
-  else SCM=$SCM_NONE
+  elif [[ -d .hg ]] && [[ -x "$HG_EXE" ]]; then
+    SCM=$SCM_HG
+  elif [[ -x "$HG_EXE" ]] && [[ -n "$(hg root 2>/dev/null)" ]]; then
+    SCM=$SCM_HG
+  elif [[ -d .svn ]] && [[ -x "$SVN_EXE" ]]; then
+    SCM=$SCM_SVN
+  elif [[ -x "$SVN_EXE" ]] && [[ -n "$(svn info --show-item wc-root 2>/dev/null)" ]]; then
+    SCM=$SCM_SVN
+  else
+    SCM=$SCM_NONE
   fi
 }
 
-function scm_prompt_char {
+function scm_prompt_char() {
   if [[ -z $SCM ]]; then scm; fi
-  if [[ $SCM == $SCM_GIT ]]; then SCM_CHAR=$SCM_GIT_CHAR
+  if [[ $SCM == $SCM_GIT ]]; then
-  elif [[ $SCM == $SCM_P4 ]]; then SCM_CHAR=$SCM_P4_CHAR
+    SCM_CHAR=$SCM_GIT_CHAR
-  elif [[ $SCM == $SCM_HG ]]; then SCM_CHAR=$SCM_HG_CHAR
+  elif [[ $SCM == $SCM_P4 ]]; then
-  elif [[ $SCM == $SCM_SVN ]]; then SCM_CHAR=$SCM_SVN_CHAR
+    SCM_CHAR=$SCM_P4_CHAR
-  else SCM_CHAR=$SCM_NONE_CHAR
+  elif [[ $SCM == $SCM_HG ]]; then
+    SCM_CHAR=$SCM_HG_CHAR
+  elif [[ $SCM == $SCM_SVN ]]; then
+    SCM_CHAR=$SCM_SVN_CHAR
+  else
+    SCM_CHAR=$SCM_NONE_CHAR
   fi
 }
 
-function scm_prompt_vars {
+function scm_prompt_vars() {
   scm
   scm_prompt_char
   SCM_DIRTY=0
@@ -122,19 +136,19 @@ function scm_prompt_vars {
   [[ $SCM == $SCM_SVN ]] && svn_prompt_vars && return
 }
 
-function scm_prompt_info {
+function scm_prompt_info() {
   scm
   scm_prompt_char
   scm_prompt_info_common
 }
 
-function scm_prompt_char_info {
+function scm_prompt_char_info() {
   scm_prompt_char
   echo -ne "${SCM_THEME_CHAR_PREFIX}${SCM_CHAR}${SCM_THEME_CHAR_SUFFIX}"
   scm_prompt_info_common
 }
 
-function scm_prompt_info_common {
+function scm_prompt_info_common() {
   SCM_DIRTY=0
   SCM_STATE=''
 
@@ -155,15 +169,15 @@ function scm_prompt_info_common {
   { [[ ${SCM} == ${SCM_SVN} ]] && svn_prompt_info && return; } || true
 }
 
-function terraform_workspace_prompt {
+function terraform_workspace_prompt() {
-    if _command_exists terraform ; then
+  if _command_exists terraform; then
     if [ -d .terraform ]; then
       echo -e "$(terraform workspace show 2>/dev/null)"
     fi
   fi
 }
 
-function git_prompt_minimal_info {
+function git_prompt_minimal_info() {
   SCM_STATE=${SCM_THEME_PROMPT_CLEAN}
 
   _git-hide-status && return
@@ -181,15 +195,15 @@ function git_prompt_minimal_info {
   echo -e "${SCM_PREFIX}${SCM_BRANCH}${SCM_STATE}${SCM_SUFFIX}"
 }
 
-function git_prompt_vars {
+function git_prompt_vars() {
-  if _git-branch &> /dev/null; then
+  if _git-branch &>/dev/null; then
     SCM_GIT_DETACHED="false"
     SCM_BRANCH="${SCM_THEME_BRANCH_PREFIX}\$(_git-friendly-ref)$(_git-remote-info)"
   else
     SCM_GIT_DETACHED="true"
 
     local detached_prefix
-    if _git-tag &> /dev/null; then
+    if _git-tag &>/dev/null; then
       detached_prefix=${SCM_THEME_TAG_PREFIX}
     else
       detached_prefix=${SCM_THEME_DETACHED_PREFIX}
@@ -197,7 +211,7 @@ function git_prompt_vars {
     SCM_BRANCH="${detached_prefix}\$(_git-friendly-ref)"
   fi
 
-  IFS=$'\t' read -r commits_behind commits_ahead <<< "$(_git-upstream-behind-ahead)"
+  IFS=$'\t' read -r commits_behind commits_ahead <<<"$(_git-upstream-behind-ahead)"
   if [[ "${commits_ahead}" -gt 0 ]]; then
     SCM_BRANCH+="${SCM_GIT_AHEAD_BEHIND_PREFIX_CHAR}${SCM_GIT_AHEAD_CHAR}"
     [[ "${SCM_GIT_SHOW_COMMIT_COUNT}" = "true" ]] && SCM_BRANCH+="${commits_ahead}"
@@ -209,13 +223,13 @@ function git_prompt_vars {
 
   if [[ "${SCM_GIT_SHOW_STASH_INFO}" = "true" ]]; then
     local stash_count
-    stash_count="$(git stash list 2> /dev/null | wc -l | tr -d ' ')"
+    stash_count="$(git stash list 2>/dev/null | wc -l | tr -d ' ')"
     [[ "${stash_count}" -gt 0 ]] && SCM_BRANCH+=" ${SCM_GIT_STASH_CHAR_PREFIX}${stash_count}${SCM_GIT_STASH_CHAR_SUFFIX}"
   fi
 
   SCM_STATE=${GIT_THEME_PROMPT_CLEAN:-$SCM_THEME_PROMPT_CLEAN}
   if ! _git-hide-status; then
-    IFS=$'\t' read -r untracked_count unstaged_count staged_count <<< "$(_git-status-counts)"
+    IFS=$'\t' read -r untracked_count unstaged_count staged_count <<<"$(_git-status-counts)"
     if [[ "${untracked_count}" -gt 0 || "${unstaged_count}" -gt 0 || "${staged_count}" -gt 0 ]]; then
       SCM_DIRTY=1
       if [[ "${SCM_GIT_SHOW_DETAILS}" = "true" ]]; then
@@ -235,11 +249,11 @@ function git_prompt_vars {
   SCM_CHANGE=$(_git-short-sha 2>/dev/null || echo "")
 }
 
-function p4_prompt_vars {
+function p4_prompt_vars() {
   IFS=$'\t' read -r \
     opened_count non_default_changes default_count \
     add_file_count edit_file_count delete_file_count \
-     <<< "$(_p4-opened-counts)"
+    <<<"$(_p4-opened-counts)"
   if [[ "${opened_count}" -gt 0 ]]; then
     SCM_DIRTY=1
     SCM_STATE=${SCM_THEME_PROMPT_DIRTY}
@@ -255,8 +269,8 @@ function p4_prompt_vars {
   SCM_SUFFIX=${P4_THEME_PROMPT_SUFFIX:-$SCM_THEME_PROMPT_SUFFIX}
 }
 
-function svn_prompt_vars {
+function svn_prompt_vars() {
-  if [[ -n $(svn status |head -c1 2> /dev/null) ]]; then
+  if [[ -n $(svn status | head -c1 2>/dev/null) ]]; then
     SCM_DIRTY=1
     SCM_STATE=${SVN_THEME_PROMPT_DIRTY:-$SCM_THEME_PROMPT_DIRTY}
   else
@@ -265,8 +279,8 @@ function svn_prompt_vars {
   fi
   SCM_PREFIX=${SVN_THEME_PROMPT_PREFIX:-$SCM_THEME_PROMPT_PREFIX}
   SCM_SUFFIX=${SVN_THEME_PROMPT_SUFFIX:-$SCM_THEME_PROMPT_SUFFIX}
-  SCM_BRANCH=$(svn info --show-item=url 2> /dev/null | awk -F/ '{ for (i=0; i<=NF; i++) { if ($i == "branches" || $i == "tags" ) { print $(i+1); break }; if ($i == "trunk") { print $i; break } } }') || return
+  SCM_BRANCH=$(svn info --show-item=url 2>/dev/null | awk -F/ '{ for (i=0; i<=NF; i++) { if ($i == "branches" || $i == "tags" ) { print $(i+1); break }; if ($i == "trunk") { print $i; break } } }') || return
-  SCM_CHANGE=$(svn info --show-item=revision 2> /dev/null)
+  SCM_CHANGE=$(svn info --show-item=revision 2>/dev/null)
 }
 
 # this functions returns absolute location of .hg directory if one exists
@@ -276,7 +290,7 @@ function svn_prompt_vars {
 # - lets say we cd into ~/Projects/Foo/Bar
 # - .hg is located in ~/Projects/Foo/.hg
 # - get_hg_root starts at ~/Projects/Foo/Bar and sees that there is no .hg directory, so then it goes into ~/Projects/Foo
-function get_hg_root {
+function get_hg_root() {
   local CURRENT_DIR=$(pwd)
 
   while [ "$CURRENT_DIR" != "/" ]; do
@@ -289,8 +303,8 @@ function get_hg_root {
   done
 }
 
-function hg_prompt_vars {
+function hg_prompt_vars() {
-    if [[ -n $(hg status 2> /dev/null) ]]; then
+  if [[ -n $(hg status 2>/dev/null) ]]; then
     SCM_DIRTY=1
     SCM_STATE=${HG_THEME_PROMPT_DIRTY:-$SCM_THEME_PROMPT_DIRTY}
   else
@@ -306,32 +320,41 @@ function hg_prompt_vars {
     # Mercurial holds it's current branch in .hg/branch file
     SCM_BRANCH=$(cat "$HG_ROOT/branch")
   else
-        SCM_BRANCH=$(hg summary 2> /dev/null | grep branch: | awk '{print $2}')
+    SCM_BRANCH=$(hg summary 2>/dev/null | grep branch: | awk '{print $2}')
   fi
 
   if [ -f "$HG_ROOT/dirstate" ]; then
     # Mercurial holds various information about the working directory in .hg/dirstate file. More on http://mercurial.selenic.com/wiki/DirState
     SCM_CHANGE=$(hexdump -n 10 -e '1/1 "%02x"' "$HG_ROOT/dirstate" | cut -c-12)
   else
-        SCM_CHANGE=$(hg summary 2> /dev/null | grep parent: | awk '{print $2}')
+    SCM_CHANGE=$(hg summary 2>/dev/null | grep parent: | awk '{print $2}')
   fi
 }
 
-function nvm_version_prompt {
+function nvm_version_prompt() {
   local node
-  if declare -f -F nvm &> /dev/null; then
+  if declare -f -F nvm &>/dev/null; then
-    node=$(nvm current 2> /dev/null)
+    node=$(nvm current 2>/dev/null)
     [[ "${node}" == "system" ]] && return
     echo -e "${NVM_THEME_PROMPT_PREFIX}${node}${NVM_THEME_PROMPT_SUFFIX}"
   fi
 }
 
-function node_version_prompt {
+function npm_version_prompt() {
+  local node
+  if declare -f -F npm &>/dev/null; then
+    node=$(nvm current 2>/dev/null)
+    [[ "${node}" == "system" ]] && return
+    echo -e "${NVM_THEME_PROMPT_PREFIX}${node}${NVM_THEME_PROMPT_SUFFIX}"
+  fi
+}
+
+function node_version_prompt() {
   echo -e "$(nvm_version_prompt)"
 }
 
-function rvm_version_prompt {
+function rvm_version_prompt() {
-  if which rvm &> /dev/null; then
+  if which rvm &>/dev/null; then
     rvm=$(rvm-prompt) || return
     if [ -n "$rvm" ]; then
       echo -e "$RVM_THEME_PROMPT_PREFIX$rvm$RVM_THEME_PROMPT_SUFFIX"
@@ -339,25 +362,25 @@ function rvm_version_prompt {
   fi
 }
 
-function rbenv_version_prompt {
+function rbenv_version_prompt() {
-  if which rbenv &> /dev/null; then
+  if which rbenv &>/dev/null; then
-    rbenv=$(rbenv version-name) || return
+    rbenv=$(rbenv version-name) || return:
-    $(rbenv commands | grep -q gemset) && gemset=$(rbenv gemset active 2> /dev/null) && rbenv="$rbenv@${gemset%% *}"
+    $(rbenv commands | grep -q gemset) && gemset=$(rbenv gemset active 2>/dev/null) && rbenv="$rbenv@${gemset%% *}"
     if [ $rbenv != "system" ]; then
       echo -e "$RBENV_THEME_PROMPT_PREFIX$rbenv$RBENV_THEME_PROMPT_SUFFIX"
     fi
   fi
 }
 
-function rbfu_version_prompt {
+function rbfu_version_prompt() {
   if [[ $RBFU_RUBY_VERSION ]]; then
     echo -e "${RBFU_THEME_PROMPT_PREFIX}${RBFU_RUBY_VERSION}${RBFU_THEME_PROMPT_SUFFIX}"
   fi
 }
 
-function chruby_version_prompt {
+function chruby_version_prompt() {
-  if declare -f -F chruby &> /dev/null; then
+  if declare -f -F chruby &>/dev/null; then
-    if declare -f -F chruby_auto &> /dev/null; then
+    if declare -f -F chruby_auto &>/dev/null; then
       chruby_auto
     fi
 
@@ -370,39 +393,39 @@ function chruby_version_prompt {
   fi
 }
 
-function ruby_version_prompt {
+function ruby_version_prompt() {
   if [[ "${THEME_SHOW_RUBY_PROMPT}" = "true" ]]; then
     echo -e "$(rbfu_version_prompt)$(rbenv_version_prompt)$(rvm_version_prompt)$(chruby_version_prompt)"
   fi
 }
 
-function k8s_context_prompt {
+function k8s_context_prompt() {
-  echo -e "$(kubectl config current-context 2> /dev/null)"
+  echo -e "$(kubectl config current-context 2>/dev/null)"
 }
 
-function virtualenv_prompt {
+function virtualenv_prompt() {
   if [[ -n "$VIRTUAL_ENV" ]]; then
-    virtualenv=`basename "$VIRTUAL_ENV"`
+    virtualenv=$(basename "$VIRTUAL_ENV")
     echo -e "$VIRTUALENV_THEME_PROMPT_PREFIX$virtualenv$VIRTUALENV_THEME_PROMPT_SUFFIX"
   fi
 }
 
-function condaenv_prompt {
+function condaenv_prompt() {
   if [[ $CONDA_DEFAULT_ENV ]]; then
     echo -e "${CONDAENV_THEME_PROMPT_PREFIX}${CONDA_DEFAULT_ENV}${CONDAENV_THEME_PROMPT_SUFFIX}"
   fi
 }
 
-function py_interp_prompt {
+function py_interp_prompt() {
   py_version=$(python --version 2>&1 | awk 'NR==1{print "py-"$2;}') || return
   echo -e "${PYTHON_THEME_PROMPT_PREFIX}${py_version}${PYTHON_THEME_PROMPT_SUFFIX}"
 }
 
-function python_version_prompt {
+function python_version_prompt() {
   echo -e "$(virtualenv_prompt)$(condaenv_prompt)$(py_interp_prompt)"
 }
 
-function git_user_info {
+function git_user_info() {
   # support two or more initials, set by 'git pair' plugin
   SCM_CURRENT_USER=$(git config user.initials | sed 's% %+%')
   # if `user.initials` weren't set, attempt to extract initials from `user.name`
@@ -410,7 +433,7 @@ function git_user_info {
   [[ -n "${SCM_CURRENT_USER}" ]] && printf "%s" "$SCM_THEME_CURRENT_USER_PREFFIX$SCM_CURRENT_USER$SCM_THEME_CURRENT_USER_SUFFIX"
 }
 
-function clock_char {
+function clock_char() {
   CLOCK_CHAR=${THEME_CLOCK_CHAR:-"⌚"}
   CLOCK_CHAR_COLOR=${THEME_CLOCK_CHAR_COLOR:-"$normal"}
   SHOW_CLOCK_CHAR=${THEME_SHOW_CLOCK_CHAR:-"true"}
@@ -420,7 +443,7 @@ function clock_char {
   fi
 }
 
-function clock_prompt {
+function clock_prompt() {
   CLOCK_COLOR=${THEME_CLOCK_COLOR:-"$normal"}
   CLOCK_FORMAT=${THEME_CLOCK_FORMAT:-"%H:%M:%S"}
   [ -z $THEME_SHOW_CLOCK ] && THEME_SHOW_CLOCK=${THEME_CLOCK_CHECK:-"true"}
@@ -432,14 +455,14 @@ function clock_prompt {
   fi
 }
 
-function user_host_prompt {
+function user_host_prompt() {
   if [[ "${THEME_SHOW_USER_HOST}" = "true" ]]; then
     echo -e "${USER_HOST_THEME_PROMPT_PREFIX}\u@\h${USER_HOST_THEME_PROMPT_SUFFIX}"
   fi
 }
 
 # backwards-compatibility
-function git_prompt_info {
+function git_prompt_info() {
   _git-hide-status && return
   git_prompt_vars
   echo -e "${SCM_PREFIX}${SCM_BRANCH}${SCM_STATE}${SCM_SUFFIX}"
@@ -450,7 +473,7 @@ function p4_prompt_info() {
   echo -e "${SCM_PREFIX}${SCM_BRANCH}:${SCM_CHANGE}${SCM_STATE}${SCM_SUFFIX}"
 }
 
-function svn_prompt_info {
+function svn_prompt_info() {
   svn_prompt_vars
   echo -e "${SCM_PREFIX}${SCM_BRANCH}${SCM_STATE}${SCM_SUFFIX}"
 }
@@ -460,24 +483,24 @@ function hg_prompt_info() {
   echo -e "${SCM_PREFIX}${SCM_BRANCH}:${SCM_CHANGE#*:}${SCM_STATE}${SCM_SUFFIX}"
 }
 
-function scm_char {
+function scm_char() {
   scm_prompt_char
   echo -e "${SCM_THEME_CHAR_PREFIX}${SCM_CHAR}${SCM_THEME_CHAR_SUFFIX}"
 }
 
-function prompt_char {
+function prompt_char() {
   scm_char
 }
 
-function battery_char {
+function battery_char() {
   if [[ "${THEME_BATTERY_PERCENTAGE_CHECK}" = true ]]; then
     echo -e "${bold_red}$(battery_percentage)%"
   fi
 }
 
-if ! _command_exists battery_charge ; then
+if ! _command_exists battery_charge; then
   # if user has installed battery plugin, skip this...
-    function battery_charge (){
+  function battery_charge() {
     # no op
     echo -n
   }
@@ -485,14 +508,14 @@ fi
 
 # The battery_char function depends on the presence of the battery_percentage function.
 # If battery_percentage is not defined, then define battery_char as a no-op.
-if ! _command_exists battery_percentage ; then
+if ! _command_exists battery_percentage; then
-    function battery_char (){
+  function battery_char() {
     # no op
     echo -n
   }
 fi
 
-function aws_profile {
+function aws_profile() {
   if [[ $AWS_DEFAULT_PROFILE ]]; then
     echo -e "${AWS_DEFAULT_PROFILE}"
   else
@@ -510,14 +533,14 @@ function __check_precmd_conflict() {
   return 1
 }
 
-function safe_append_prompt_command {
+function safe_append_prompt_command() {
   local prompt_re
 
   prompt_colorscheme
 
   if [ "${__bp_imported}" == "defined" ]; then
     # We are using bash-preexec
-        if ! __check_precmd_conflict "${1}" ; then
+    if ! __check_precmd_conflict "${1}"; then
       precmd_functions+=("${1}")
     fi
   else
@@ -545,7 +568,7 @@ function _save-and-reload-history() {
   [[ $autosave -eq 1 ]] && history -a && history -c && history -r
 }
 
-function prompt_colorscheme {
+function prompt_colorscheme() {
   [[ -z "${BASH_IT_COLORSCHEME}" ]] && return
 
   local -a colorscheme_locations=(

themes/powerline-multiline/powerline-multiline.base.bash

@@ -1,4 +1,6 @@
 . "$BASH_IT/themes/powerline/powerline.base.bash"
+. "$BASH_IT/themes/powerline/powerline.helpers.bash"
+
 
 function __powerline_last_status_prompt {
   [[ "$1" -ne 0 ]] && echo "$(set_color ${LAST_STATUS_THEME_PROMPT_COLOR} -) ${1} ${normal}"

themes/powerline-multiline/powerline-multiline.theme.bash

@@ -49,6 +49,12 @@ RBENV_THEME_PROMPT_SUFFIX=""
 RUBY_THEME_PROMPT_COLOR=${POWERLINE_RUBY_COLOR:=161}
 RUBY_CHAR=${POWERLINE_RUBY_CHAR:="❲r❳ "}
 
+GO_THEME_PROMPT_COLOR=${POWERLINE_GO_COLOR:=33}
+GO_CHAR=${POWERLINE_GO_CHAR:="(go) "}
+
+CWD_SHORTEN_TO=${POWERLINE_CWD_SHORTEN_TO:=30}
+CWD_SHORTEN_SCREEN_PERCENT=${CWD_SHORTEN_SCREEN_PERCENT:=25}
+
 TERRAFORM_THEME_PROMPT_COLOR=${POWERLINE_TERRAFORM_COLOR:=161}
 TERRAFORM_CHAR=${POWERLINE_TERRAFORM_CHAR:="❲t❳ "}
 

themes/powerline/powerline.base.bash

@@ -1,6 +1,8 @@
 # Define this here so it can be used by all of the Powerline themes
 THEME_CHECK_SUDO=${THEME_CHECK_SUDO:=true}
 
+. "$BASH_IT/themes/powerline/powerline.helpers.bash"
+
 function set_color {
   set +u
   if [[ "${1}" != "-" ]]; then
@@ -67,6 +69,32 @@ function __powerline_ruby_prompt {
   [[ -n "${ruby_version}" ]] && echo "${RUBY_CHAR}${ruby_version}|${RUBY_THEME_PROMPT_COLOR}"
 }
 
+function __find_nearest_go_mod() {
+  local path="${PWD}"
+  while true; do
+    [[ -z "${path}" || ${path} == "/" ]] && break
+    if [[ -f "${path}/go.mod" ]]; then
+      printf "${path}/go.mod"
+      return 0
+    fi
+    path=$(dirname ${path})
+  done
+}
+
+function __powerline_go_prompt {
+  local go_version=""
+
+  if _command_exists go ; then
+    local go_mod=$(__find_nearest_go_mod)
+    [[ -n "${go_mod}" && -f "${go_mod}" ]] || return
+    local -a go_version_output
+    mapfile -t go_version_output < <(egrep '^go ' ${go_mod} | tr ' ' '\n')
+    go_version="${go_version_output[1]}"
+  fi
+
+  [[ -n "${go_version}" ]] && echo "${GO_CHAR}${go_version}|${GO_THEME_PROMPT_COLOR}"
+}
+
 function __powerline_k8s_context_prompt {
   local kubernetes_context=""
 
@@ -121,8 +149,21 @@ function __powerline_scm_prompt {
 }
 
 function __powerline_cwd_prompt {
-  local cwd=$(pwd | sed "s|^${HOME}|~|")
+  local cwd
+  local max_width
+  local screen_width
+  if [[ -n "${CWD_SHORTEN_SCREEN_PERCENT}" ]]; then
+    screen_width=$(.powerline.screen-width)
+    max_width=$(( screen_width * CWD_SHORTEN_SCREEN_PERCENT / 100 ))
+  elif [[ -n "${CWD_SHORTEN_TO}" ]]; then
+    max_width=${CWD_SHORTEN_TO}
+  fi
 
+  if [[ -n ${max_width} ]]; then
+    cwd=$(cwd.shorten "${max_width}" "${PWD}")
+  else
+    cwd=$(pwd | sed "s|^${HOME}|~|")
+  fi
   echo "${cwd}|${CWD_THEME_PROMPT_COLOR}"
 }
 

themes/powerline/powerline.helpers.bash

@@ -0,0 +1,265 @@
+# A bunch of Powerline Prompt Helper functions that
+# change which compnents are shown, and to what level of detail to
+# render the Git/SCM info.
+
+# Minimizing the list of components and showing less Git info can significantly
+# speed up your prompt rendering.
+#
+# For instance, on the most recent MacBook Pro 16 (2020) with 3GHZ CPU it takes 1 second
+# to render the `powerline.prompt.git.max()` and powerline.prompt.all
+
+# @description
+#    This function returns a shortened 
+# @see: https://stackoverflow.com/questions/1616678/bash-pwd-shortening
+export POWERLINE_SHORT_CWD_WIDTH=30
+
+function cwd.shorten() {
+  local begin="" # The unshortened beginning of the path.
+  local shortbegin="" # The shortened beginning of the path.
+  local current="" # The section of the path we're currently working on.
+  local end="${2:-$(pwd)}/" # The unmodified rest of the path.
+
+  if [[ "$end" =~ "${HOME}" ]]; then
+      INHOME=1
+      end="${end#$HOME}" #strip /home/username from start of string
+      begin="$HOME"      #start expansion from the right spot
+  else
+      INHOME=0
+  fi
+
+  local end="${end#/}" # Strip the first /
+  local shortenedpath="$end" # The whole path, to check the length.
+  local maxlength="${1:-${POWERLINE_SHORT_CWD_WIDTH}}"
+
+  shopt -q nullglob && NGV="-s" || NGV="-u" # Store the value for later.
+  shopt -s nullglob    # Without this, anything that doesn't exist in the filesystem turns into */*/*/...
+
+  while [[ "$end" ]] && (( ${#shortenedpath} > maxlength ))
+  do
+    current="${end%%/*}" # everything before the first /
+    end="${end#*/}"    # everything after the first /
+
+    shortcurstar="$current" # No star if we don't shorten it.
+
+    for ((i=${#current}-2; i>=0; i--)); do
+      subcurrent="${current:0:i}"
+      matching=("$begin/$subcurrent"*) # Array of all files that start with $subcurrent. 
+      (( ${#matching[*]} != 1 )) && break # Stop shortening if more than one file matches.
+      shortcurstar="${subcurrent}…"
+    done
+
+    #a dvance
+    begin="$begin/$current"
+    shortbegin="$shortbegin/$shortcurstar"
+    shortenedpath="$shortbegin/$end"
+  done
+
+  shortenedpath="${shortenedpath%/}" # strip trailing /
+  shortenedpath="${shortenedpath#/}" # strip leading /
+
+  if [ $INHOME -eq 1 ]; then
+    echo "~/$shortenedpath" #make sure it starts with ~/
+  else
+    echo "/$shortenedpath" # Make sure it starts with /
+  fi
+
+  shopt "$NGV" nullglob # Reset nullglob in case this is being used as a function.
+}
+
+# Powerline Prompt Configuration
+function powerline.prompt.git.max() {
+  export SCM_GIT_SHOW_MINIMAL_INFO=false
+
+  export SCM_GIT_SHOW_COMMIT_COUNT=true
+  export SCM_GIT_SHOW_CURRENT_USER=true
+  export SCM_GIT_SHOW_DETAILS=true
+  export SCM_GIT_SHOW_REMOTE_INFO=true
+  export SCM_GIT_SHOW_STASH_INFO=true
+
+}
+
+function powerline.prompt.git.min() {
+  export SCM_GIT_SHOW_MINIMAL_INFO=true
+
+  export SCM_GIT_SHOW_CURRENT_USER=false
+  export SCM_GIT_SHOW_DETAILS=false
+  export SCM_GIT_SHOW_COMMIT_COUNT=false
+  export SCM_GIT_SHOW_REMOTE_INFO=false
+  export SCM_GIT_SHOW_STASH_INFO=false
+}
+
+function powerline.prompt.git.default() {
+  export SCM_GIT_SHOW_MINIMAL_INFO=false
+
+  export SCM_GIT_SHOW_CURRENT_USER=true
+  export SCM_GIT_SHOW_DETAILS=true
+  export SCM_GIT_SHOW_COMMIT_COUNT=false
+  export SCM_GIT_SHOW_REMOTE_INFO=false
+  export SCM_GIT_SHOW_STASH_INFO=true
+}
+
+.powerline.screen-width() {
+  local w
+  local os=$(uname -s)
+  if [[ $os == 'Darwin' ]]; then
+    w=$(stty -a 2>/dev/null | grep columns | awk '{print $6}');
+  else
+    w=$(stty -a 2>/dev/null | grep columns | awk '{print $7}' | sedx 's/;//g');
+  fi
+  printf -- "%d" ${w}
+}
+
+# Filter/convert components passed as arguments to the 
+# correct powerline modules
+# @example: .powerline.components ruby python k8 garbage
+# @output:  ruby python_venv k8s_context 
+function .powerline.components() {
+  local -a components
+  components=()
+  for c in "$@"; do
+    [[ ${c} == "python" ]] && c="python_venv"
+    [[ ${c} == "k8" ]] && c="k8s_context"
+    local func="__powerline_${c}_prompt"
+    type "$func" 2> /dev/null | head -1 | grep -q 'is a function' && components+=("${c}")
+  done
+  echo "${components[@]}"
+}
+
+function .powerline.supported.components() {
+   set | grep -E '^__powerline_.*_prompt' | sed 's/__powerline_//g; s/_prompt.*$//g; s/^/    • /g'
+}
+
+# usage: powerline.prompt.set [ lang [ lang ]... ]
+#    eg: powerline.prompt.set cwd ruby go node battery
+function powerline.prompt.set() {
+  [[ -z "$*" ]] && {
+    echo -e "${echo_bold_red}Please pass an argument list of components you'd like to see in the PROMPT.${echo_reset_color}"
+    echo -e "${echo_bold_yellow}Here is the list of all currently supported components:${echo_green}\n"
+    .powerline.supported.components
+    echo -e "${echo_reset_color}"
+    return 
+  }
+
+  local -a components
+  components=($(.powerline.components "$@"))
+
+  local count="${#components[@]}"
+  local half="$(( count / 2 ))"
+  local even=0
+  [[ $(( count % 2 )) -eq 0 ]] && even=1
+
+  local half_plus_one="$((half+1))"
+
+  # Single-line Powerline Prompts
+  export POWERLINE_PROMPT="${components[*]}"
+  
+  # Multiline Powerline Prompts
+  export POWERLINE_LEFT_PROMPT="${components[@]:0:${half_plus_one}}"
+  if (( even )); then
+    export POWERLINE_RIGHT_PROMPT="${components[@]:${half_plus_one}}"
+  else
+    export POWERLINE_RIGHT_PROMPT="${components[@]:${half_plus_one}}"
+  fi
+}
+
+function powerline.prompt.show() {
+  if [[ $BASH_IT_THEME =~ "multiline" ]]; then
+    powerline.prompt.set-left-to
+    powerline.prompt.set-right-to
+  else
+    powerline.prompt.set-to  
+  fi
+}
+
+function powerline.prompt.set-to() {
+  if [[ -z $* ]]; then
+    echo "${POWERLINE_PROMPT}"  
+  else
+    export POWERLINE_PROMPT="$(.powerline.components "$@")"
+  fi
+}
+
+function powerline.prompt.set-right-to() {
+  if [[ -z $* ]]; then
+    echo "${POWERLINE_RIGHT_PROMPT}"  
+  else
+    export POWERLINE_RIGHT_PROMPT="$(.powerline.components "$@")"
+  fi
+}
+
+function powerline.prompt.set-left-to() {
+  if [[ -z $* ]]; then
+    echo "${POWERLINE_LEFT_PROMPT}"  
+  else
+    export POWERLINE_LEFT_PROMPT="$(.powerline.components "$@")"
+  fi
+}
+
+# @example: powerline.prompt.add-component left ruby
+function powerline.prompt.add-component() {
+  local side="$1"
+  local func
+  if [[ -n $1 ]] ; then
+    func="powerline.prompt.set-${side}-to" 
+    shift
+  else
+    func="powerline.prompt.set-to"
+  fi
+
+  ${func} $(${func}) "$@"
+}
+
+function powerline.prompt.golang() {
+  powerline.prompt.add-component left go
+}
+
+function powerline.prompt.node() {
+  powerline.prompt.add-component left node
+}
+
+function powerline.prompt.ruby() {
+  powerline.prompt.add-component left ruby
+}
+
+function powerline.prompt.python() {
+  powerline.prompt.add-component left python_venv
+}
+
+## Configure the level of Git Detail
+function powerline.prompt.min() {
+  export POWERLINE_LEFT_PROMPT="cwd"
+  export POWERLINE_RIGHT_PROMPT="clock user_info hostname"
+}
+
+function powerline.prompt.all() {
+  powerline.prompt
+  export POWERLINE_LEFT_PROMPT="scm clock cwd"
+  export POWERLINE_RIGHT_PROMPT="user_info hostname battery"
+}
+
+function powerline.prompt.default() {
+  export POWERLINE_LEFT_PROMPT="scm node ruby go cwd "
+  export POWERLINE_RIGHT_PROMPT=" clock user_info hostname battery"
+}
+
+function powerline.default() {
+  powerline-max
+}
+
+function powerline.prompt.alternative-symbols() {
+  export SCM_GIT_CHAR=" Ⓖ "
+  export USER_INFO_SSH_CHAR="🔐 "
+  export PYTHON_VENV_CHAR="ⓟ "
+  export CONDA_PYTHON_VENV_CHAR="ⓒⓟ "
+  export NODE_CHAR="ⓝ  "
+  export RUBY_CHAR="ⓡ  "
+  export GO_CHAR="ⓖ  "
+  export TERRAFORM_CHAR="ⓣ  "
+  export KUBERNETES_CONTEXT_THEME_CHAR="⎈ "
+  export AWS_PROFILE_CHAR="«aws» "
+  export BATTERY_AC_CHAR="⚡"
+  export IN_VIM_THEME_PROMPT_TEXT="ⓥ "
+  export SHLVL_THEME_PROMPT_CHAR="ⓢ "
+  export COMMAND_NUMBER_THEME_PROMPT_CHAR="↳"
+
+}

themes/powerline/powerline.theme.bash

@@ -45,6 +45,12 @@ RBENV_THEME_PROMPT_SUFFIX=""
 RUBY_THEME_PROMPT_COLOR=${POWERLINE_RUBY_COLOR:=161}
 RUBY_CHAR=${POWERLINE_RUBY_CHAR:="❲r❳ "}
 
+GO_THEME_PROMPT_COLOR=${POWERLINE_GO_COLOR:=33}
+GO_CHAR=${POWERLINE_GO_CHAR:="(go) "}
+
+CWD_SHORTEN_TO=${POWERLINE_CWD_SHORTEN_TO:=15}
+CWD_SHORTEN_SCREEN_PERCENT=${CWD_SHORTEN_SCREEN_PERCENT:=25}
+
 TERRAFORM_THEME_PROMPT_COLOR=${POWERLINE_TERRAFORM_COLOR:=161}
 TERRAFORM_CHAR=${POWERLINE_TERRAFORM_CHAR:="❲t❳ "}