support dynamic directories in dir prompt and fix a dozen bugs

functions/utilities.zsh

@@ -86,98 +86,6 @@ segment_in_use() {
      -n "${POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS[(r)${key}_joined]}" ]]
 }
 
-################################################################
-# Given a directory path, truncate it according to the settings.
-# Parameters:
-#   * $1 Path: string - the directory path to be truncated
-#   * $2 Length: integer - length to truncate to
-#   * $3 Delimiter: string - the delimiter to use
-#   * $4 From: string - "right" | "middle". If omited, assumes right.
-function truncatePath() {
-  # if the current path is not 1 character long (e.g. "/" or "~")
-  if (( ${#1} > 1 )); then
-    # convert $2 from string to integer
-    2=$(( $2 ))
-    # set $3 to "" if not defined
-    [[ -z $3 ]] && 3="" || 3=$(echo -n $3)
-    # set $4 to "right" if not defined
-    [[ -z $4 ]] && 4="right"
-    # create a variable for the truncated path.
-    local trunc_path
-    # if the path is in the home folder, add "~/" to the start otherwise "/"
-    [[ $1 == "~"* ]] && trunc_path='~/' || trunc_path='/'
-    # split the path into an array using "/" as the delimiter
-    local paths=$1
-    paths=(${(s:/:)${paths//"~\/"/}})
-    # declare locals for the directory being tested and its length
-    local test_dir test_dir_length
-    # do the needed truncation
-    case $4 in
-      right)
-        # include the delimiter length in the threshhold
-        local threshhold=$(( $2 + ${#3} ))
-        # loop through the paths
-        for (( i=1; i<${#paths}; i++ )); do
-          # get the current directory value
-          test_dir=$paths[$i]
-          test_dir_length=${#test_dir}
-          # only truncate if the resulting truncation will be shorter than
-          # the truncation + delimiter length and at least 3 characters
-          if (( $test_dir_length > $threshhold )) && (( $test_dir_length > 3 )); then
-            # use the first $2 characters and the delimiter
-            trunc_path+="${test_dir:0:$2}$3/"
-          else
-            # use the full path
-            trunc_path+="${test_dir}/"
-          fi
-        done
-      ;;
-      middle)
-        # we need double the length for start and end truncation + delimiter length
-        local threshhold=$(( $2 * 2 ))
-        # create a variable for the start of the end truncation
-        local last_pos
-        # loop through the paths
-        for (( i=1; i<${#paths}; i++ )); do
-          # get the current directory value
-          test_dir=$paths[$i]
-          test_dir_length=${#test_dir}
-          # only truncate if the resulting truncation will be shorter than
-          # the truncation + delimiter length
-          if (( $test_dir_length > $threshhold )); then
-            # use the first $2 characters, the delimiter and the last $2 characters
-            last_pos=$(( $test_dir_length - $2 ))
-            trunc_path+="${test_dir:0:$2}$3${test_dir:$last_pos:$test_dir_length}/"
-          else
-            # use the full path
-            trunc_path+="${test_dir}/"
-          fi
-        done
-      ;;
-    esac
-    # return the truncated path + the current directory
-    echo $trunc_path${1:t}
-  else # current path is 1 character long (e.g. "/" or "~")
-    echo $1
-  fi
-}
-
-# Search recursively in parent folders for given file.
-function upsearch () {
-  if [[ "$PWD" == "$HOME" || "$PWD" == "/" ]]; then
-    echo "$PWD"
-  elif test -e "$1"; then
-    pushd .. > /dev/null
-    upsearch "$1"
-    popd > /dev/null
-    echo "$PWD"
-  else
-    pushd .. > /dev/null
-    upsearch "$1"
-    popd > /dev/null
-  fi
-}
-
 # Parse IP address from ifconfig on OSX and from IP on Linux
 # Parameters:
 #  $1 - string The desired Interface