From bcb0fed873221588bfd5ba101588d7f646c54ca0 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sat, 21 Jan 2017 14:30:19 +0100
Subject: [PATCH 01/17] Avoid error if CLOBBER is not set

If the tempfile already exists and CLOBBER is not set, a file exists error occurrs. This commit avoids this problem.
---
 powerlevel9k.zsh-theme | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f104b789..0df17de0 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -469,6 +469,11 @@ prompt_battery() {
   fi
 }
 
+# Public IP segment
+# Parameters:
+#   * $1 Alignment: string - left|right
+#   * $2 Index: integer
+#   * $3 Joined: bool - If the segment should be joined
 prompt_public_ip() {
   # set default values for segment
   set_default POWERLEVEL9K_PUBLIC_IP_TIMEOUT "300"
@@ -531,12 +536,17 @@ prompt_public_ip() {
     fi
 
     # write IP to tmp file or clear tmp file if an IP was not retrieved
-    [[ -n $fresh_ip ]] && echo $fresh_ip > $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE > $POWERLEVEL9K_PUBLIC_IP_FILE
+    # Redirection with `>!`. From the manpage: Same as >, except that the file
+    #   is truncated to zero length if it exists, even if CLOBBER is unset.
+    # If the file already exists, and a simple `>` redirection and CLOBBER
+    # unset, ZSH will produce an error.
+    [[ -n "${fresh_ip}" ]] && echo $fresh_ip >! $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE >! $POWERLEVEL9K_PUBLIC_IP_FILE
   fi
 
   # read public IP saved to tmp file
   local public_ip=$(cat $POWERLEVEL9K_PUBLIC_IP_FILE)
 
+  # Draw the prompt segment
   if [[ -n $public_ip ]]; then
     $1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "${public_ip}" 'PUBLIC_IP_ICON'
   fi

From a576a157599ef3b41b939c4e8dc5df8656c30023 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Wed, 25 Jan 2017 23:47:20 +0100
Subject: [PATCH 02/17] Fix error with truncating package name if repo is
 symlinked

---
 powerlevel9k.zsh-theme | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f104b789..38c2ceb4 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -587,7 +587,14 @@ prompt_dir() {
 
         # Get the path of the Git repo, which should have the package.json file
         if [[ $(git rev-parse --is-inside-work-tree 2> /dev/null) == "true" ]]; then
-          package_path=$(git rev-parse --show-toplevel)
+          # Get path from the root of the git repository to the current dir
+          local gitPath=$(git rev-parse --show-prefix)
+          # Remove trailing slash from git path, so that we can
+          # remove that git path from the pwd.
+          gitPath=${gitPath%/}
+          package_path=${$(pwd)%%$gitPath}
+          # Remove trailing slash
+          package_path=${package_path%/}
         elif [[ $(git rev-parse --is-inside-git-dir 2> /dev/null) == "true" ]]; then
           package_path=${$(pwd)%%/.git*}
         fi

From 6c352c8d5c90c189166beb07e3f9f7c753f6b79d Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sat, 28 Jan 2017 01:29:38 +0100
Subject: [PATCH 03/17] Simplify `public_ip` segment

---
 powerlevel9k.zsh-theme | 41 ++++++++++++-----------------------------
 1 file changed, 12 insertions(+), 29 deletions(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f104b789..f1e4314b 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -475,6 +475,7 @@ prompt_public_ip() {
   set_default POWERLEVEL9K_PUBLIC_IP_NONE ""
   set_default POWERLEVEL9K_PUBLIC_IP_FILE "/tmp/p9k_public_ip"
   set_default POWERLEVEL9K_PUBLIC_IP_HOST "http://ident.me"
+  defined POWERLEVEL9K_PUBLIC_IP_METHODS || POWERLEVEL9K_PUBLIC_IP_METHODS=(wget curl dig)
 
   # Do we need a fresh IP?
   local refresh_ip=false
@@ -491,51 +492,33 @@ prompt_public_ip() {
   fi
 
   # grab a fresh IP if needed
+  local fresh_ip
   if [[ $refresh_ip =~ true && -w $POWERLEVEL9K_PUBLIC_IP_FILE ]]; then
-    # if method specified, don't use fallback methods
-    if [[ -n $POWERLEVEL9K_PUBLIC_IP_METHOD ]] && [[ $POWERLEVEL9K_PUBLIC_IP_METHOD =~ 'wget|curl|dig' ]]; then
-      local method=$POWERLEVEL9K_PUBLIC_IP_METHOD
-    fi
-    if [[ -n $method ]]; then
+    for method in "${POWERLEVEL9K_PUBLIC_IP_METHODS[@]}"; do
       case $method in
         'dig')
-          if type -p dig >/dev/null; then
-              fresh_ip="$(dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
-              [[ "$fresh_ip" =~ ^\; ]] && unset fresh_ip
-          fi
+            fresh_ip="$(dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
+            [[ "$fresh_ip" =~ ^\; ]] && unset fresh_ip
           ;;
         'curl')
-          if [[ -z "$fresh_ip" ]] && type -p curl >/dev/null; then
-              fresh_ip="$(curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
-          fi
+            fresh_ip="$(curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
           ;;
         'wget')
-          if [[ -z "$fresh_ip" ]] && type -p wget >/dev/null; then
-              fresh_ip="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
-          fi
+            fresh_ip="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
           ;;
       esac
-    else
-      if type -p dig >/dev/null; then
-          fresh_ip="$(dig +time=1 +tries=1 +short myip.opendns.com @resolver1.opendns.com 2> /dev/null)"
-          [[ "$fresh_ip" =~ ^\; ]] && unset fresh_ip
-      fi
-
-      if [[ -z "$fresh_ip" ]] && type -p curl >/dev/null; then
-          fresh_ip="$(curl --max-time 10 -w '\n' "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
+      # If we found a fresh IP, break loop.
+      if [[ -n "${fresh_ip}" ]]; then
+        break;
       fi
-
-      if [[ -z "$fresh_ip" ]] && type -p wget >/dev/null; then
-          fresh_ip="$(wget -T 10 -qO- "$POWERLEVEL9K_PUBLIC_IP_HOST" 2> /dev/null)"
-      fi
-    fi
+    done
 
     # write IP to tmp file or clear tmp file if an IP was not retrieved
     [[ -n $fresh_ip ]] && echo $fresh_ip > $POWERLEVEL9K_PUBLIC_IP_FILE || echo $POWERLEVEL9K_PUBLIC_IP_NONE > $POWERLEVEL9K_PUBLIC_IP_FILE
   fi
 
   # read public IP saved to tmp file
-  local public_ip=$(cat $POWERLEVEL9K_PUBLIC_IP_FILE)
+  local public_ip="$(cat $POWERLEVEL9K_PUBLIC_IP_FILE)"
 
   if [[ -n $public_ip ]]; then
     $1_prompt_segment "$0" "$2" "$DEFAULT_COLOR" "$DEFAULT_COLOR_INVERTED" "${public_ip}" 'PUBLIC_IP_ICON'

From 06cb9bb43fd6a5010fafa116fabe8290f87a90f0 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sat, 28 Jan 2017 13:21:40 +0100
Subject: [PATCH 04/17] Change order of public ip methods as it was before

---
 powerlevel9k.zsh-theme | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f1e4314b..61d9f99c 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -475,7 +475,7 @@ prompt_public_ip() {
   set_default POWERLEVEL9K_PUBLIC_IP_NONE ""
   set_default POWERLEVEL9K_PUBLIC_IP_FILE "/tmp/p9k_public_ip"
   set_default POWERLEVEL9K_PUBLIC_IP_HOST "http://ident.me"
-  defined POWERLEVEL9K_PUBLIC_IP_METHODS || POWERLEVEL9K_PUBLIC_IP_METHODS=(wget curl dig)
+  defined POWERLEVEL9K_PUBLIC_IP_METHODS || POWERLEVEL9K_PUBLIC_IP_METHODS=(dig curl wget)
 
   # Do we need a fresh IP?
   local refresh_ip=false

From bfbfd5c10cc45792f260e76fb919deb26f5d5f2a Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sat, 28 Jan 2017 13:29:08 +0100
Subject: [PATCH 05/17] Fix README entry for renamed variable
 POWERLEVEL9K_PUBLIC_IP_METHODS

---
 README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f7a80a09..518cda0c 100644
--- a/README.md
+++ b/README.md
@@ -348,7 +348,7 @@ segment will not be displayed.
 |`POWERLEVEL9K_PUBLIC_IP_FILE`|'/tmp/p8k_public_ip'|This is the file your public IP is cached in.|
 |`POWERLEVEL9K_PUBLIC_IP_HOST`|'http://ident.me'|This is the default host to get your public IP.|
 |`POWERLEVEL9K_PUBLIC_IP_TIMEOUT`|300|The amount of time in seconds between refreshing your cached IP.|
-|`POWERLEVEL9K_PUBLIC_IP_METHOD`|None|You can set this to any of 'dig', 'curl', or 'wget' to only use that method to refresh your IP.|
+|`POWERLEVEL9K_PUBLIC_IP_METHODS`|(dig curl wget)| These methods in that order are used to refresh your IP.|
 |`POWERLEVEL9K_PUBLIC_IP_NONE`|None|The string displayed when an IP was not obtained|
 
 ##### rbenv

From 52eb3136264e7ea9894a7dc150d320ad47590c3d Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sun, 29 Jan 2017 14:34:32 +0100
Subject: [PATCH 06/17] Fix theme for use with plain "prompt" command

ZSH has the ability to preview and set themes directly from the `prompt`
builtin. To do so, the theme must be in FPATH and named
"prompt_theme_setup".
---
 prompt_powerlevel9k_setup | 1 +
 1 file changed, 1 insertion(+)
 create mode 120000 prompt_powerlevel9k_setup

diff --git a/prompt_powerlevel9k_setup b/prompt_powerlevel9k_setup
new file mode 120000
index 00000000..311575f4
--- /dev/null
+++ b/prompt_powerlevel9k_setup
@@ -0,0 +1 @@
+powerlevel9k.zsh-theme
\ No newline at end of file

From ebf808c533ed86ede4b5afcf9206c05b832278db Mon Sep 17 00:00:00 2001
From: Benoit Averty <benoit.averty@gmail.com>
Date: Wed, 10 Aug 2016 00:07:04 +0200
Subject: [PATCH 07/17] Add dir_truncate_root option

---
 functions/utilities.zsh | 15 +++++++++++++++
 powerlevel9k.zsh-theme  | 17 +++++++++++++++--
 2 files changed, 30 insertions(+), 2 deletions(-)

diff --git a/functions/utilities.zsh b/functions/utilities.zsh
index f27c7f99..8263ce10 100644
--- a/functions/utilities.zsh
+++ b/functions/utilities.zsh
@@ -208,3 +208,18 @@ function truncatePathFromRight() {
   echo $1 | sed $SED_EXTENDED_REGEX_PARAMETER \
  "s@(([^/]{$((POWERLEVEL9K_SHORTEN_DIR_LENGTH))})([^/]{$delim_len}))[^/]+/@\2$POWERLEVEL9K_SHORTEN_DELIMITER/@g"
 }
+
+# Search recursively in parent folders for given file.
+function upsearch () {
+  if test -e "$1"; then
+    echo "$PWD"
+  else
+    if [[ "$PWD" == "/" || "$PWD" == "$HOME" ]]; then
+      echo "$PWD";
+    else
+      pushd .. > /dev/null
+      upsearch "$1"
+      popd > /dev/null
+    fi
+  fi
+}
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f104b789..c679ba56 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -571,8 +571,7 @@ prompt_custom() {
 set_default POWERLEVEL9K_DIR_PATH_SEPARATOR "/"
 prompt_dir() {
   local current_path='%~'
-  if [[ -n "$POWERLEVEL9K_SHORTEN_DIR_LENGTH" ]]; then
-
+  if [[ -n "$POWERLEVEL9K_SHORTEN_DIR_LENGTH" || "$POWERLEVEL9K_SHORTEN_STRATEGY" == "truncate_with_root_marker" ]]; then
     set_default POWERLEVEL9K_SHORTEN_DELIMITER $'\U2026'
 
     case "$POWERLEVEL9K_SHORTEN_STRATEGY" in
@@ -610,6 +609,20 @@ prompt_dir() {
           current_path=$(truncatePathFromRight "$(pwd | sed -e "s,^$HOME,~,")" )
         fi
       ;;
+      truncate_with_root_marker)
+        local dir_truncate_root
+
+        dir_truncate_root=$(upsearch $POWERLEVEL9K_ROOT_MARKER_FILE)
+        zero='%([BSUbfksu]|([FB]|){*})'
+
+        if [[ "$dir_truncate_root" == "/" || "$dir_truncate_root" == "$HOME" ]]; then
+          current_path='%~'
+        elif [[ "$dir_truncate_root" == "$HOME"* ]]; then
+          current_path="~/$POWERLEVEL9K_SHORTEN_DELIMITER/${dir_truncate_root##*/}${PWD:${#${(S%%)dir_truncate_root//$~zero/}}}"
+        else
+          current_path="/$POWERLEVEL9K_SHORTEN_DELIMITER/${dir_truncate_root##*/}${PWD:${#${(S%%)dir_truncate_root//$~zero/}}}"
+        fi
+      ;;
       *)
         current_path="%$((POWERLEVEL9K_SHORTEN_DIR_LENGTH+1))(c:$POWERLEVEL9K_SHORTEN_DELIMITER/:)%${POWERLEVEL9K_SHORTEN_DIR_LENGTH}c"
       ;;

From 5cc2d51b5829d0ae2eefaa115892da71f6a14d79 Mon Sep 17 00:00:00 2001
From: Benoit Averty <benoit.averty@gmail.com>
Date: Wed, 10 Aug 2016 13:00:52 +0200
Subject: [PATCH 08/17] Fix bug when truncate root was set to direct subfolder
 of home or root

---
 powerlevel9k.zsh-theme | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index c679ba56..afc4a6bc 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -615,7 +615,7 @@ prompt_dir() {
         dir_truncate_root=$(upsearch $POWERLEVEL9K_ROOT_MARKER_FILE)
         zero='%([BSUbfksu]|([FB]|){*})'
 
-        if [[ "$dir_truncate_root" == "/" || "$dir_truncate_root" == "$HOME" ]]; then
+        if [[ "$dir_truncate_root" == "/" || "$dir_truncate_root" == "$HOME" || "${dir_truncate_root%/*}" == "$HOME" || ${dir_truncate_root%/*} == "/" ]]; then
           current_path='%~'
         elif [[ "$dir_truncate_root" == "$HOME"* ]]; then
           current_path="~/$POWERLEVEL9K_SHORTEN_DELIMITER/${dir_truncate_root##*/}${PWD:${#${(S%%)dir_truncate_root//$~zero/}}}"

From 9f4772f9930c7d56ab04df900ac94456e5a08a22 Mon Sep 17 00:00:00 2001
From: Benoit Averty <benoit.averty@gmail.com>
Date: Wed, 10 Aug 2016 21:31:58 +0200
Subject: [PATCH 09/17] More possibilities with truncate folder marker

---
 functions/utilities.zsh | 17 +++++++++--------
 powerlevel9k.zsh-theme  | 30 ++++++++++++++++++------------
 2 files changed, 27 insertions(+), 20 deletions(-)

diff --git a/functions/utilities.zsh b/functions/utilities.zsh
index 8263ce10..22b53c6a 100644
--- a/functions/utilities.zsh
+++ b/functions/utilities.zsh
@@ -211,15 +211,16 @@ function truncatePathFromRight() {
 
 # Search recursively in parent folders for given file.
 function upsearch () {
-  if test -e "$1"; then
+  if [[ "$PWD" == "$HOME" || "$PWD" == "/" ]]; then
+    echo "$PWD"
+  elif test -e "$1"; then
+    pushd .. > /dev/null
+    upsearch "$1"
+    popd > /dev/null
     echo "$PWD"
   else
-    if [[ "$PWD" == "/" || "$PWD" == "$HOME" ]]; then
-      echo "$PWD";
-    else
-      pushd .. > /dev/null
-      upsearch "$1"
-      popd > /dev/null
-    fi
+    pushd .. > /dev/null
+    upsearch "$1"
+    popd > /dev/null
   fi
 }
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index afc4a6bc..420f7d0b 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -571,7 +571,7 @@ prompt_custom() {
 set_default POWERLEVEL9K_DIR_PATH_SEPARATOR "/"
 prompt_dir() {
   local current_path='%~'
-  if [[ -n "$POWERLEVEL9K_SHORTEN_DIR_LENGTH" || "$POWERLEVEL9K_SHORTEN_STRATEGY" == "truncate_with_root_marker" ]]; then
+  if [[ -n "$POWERLEVEL9K_SHORTEN_DIR_LENGTH" || "$POWERLEVEL9K_SHORTEN_STRATEGY" == "truncate_with_folder_marker" ]]; then
     set_default POWERLEVEL9K_SHORTEN_DELIMITER $'\U2026'
 
     case "$POWERLEVEL9K_SHORTEN_STRATEGY" in
@@ -609,19 +609,25 @@ prompt_dir() {
           current_path=$(truncatePathFromRight "$(pwd | sed -e "s,^$HOME,~,")" )
         fi
       ;;
-      truncate_with_root_marker)
-        local dir_truncate_root
+      truncate_with_folder_marker)
+        local last_marked_folder marked_folder zero
+        set_default POWERLEVEL9K_SHORTEN_FOLDER_MARKER ".shorten_folder_marker"
+
+        for marked_folder in $(upsearch $POWERLEVEL9K_SHORTEN_FOLDER_MARKER); do
+          if [[ "$marked_folder" == "/" ]]; then
+            current_path="/"
+          elif [[ "$marked_folder" == "$HOME" ]]; then
+            current_path="~"
+          elif [[ "${marked_folder%/*}" == $last_marked_folder ]]; then
+            current_path="${current_path%/}/${marked_folder##*/}"
+          else
+            current_path="${current_path%/}/$POWERLEVEL9K_SHORTEN_DELIMITER/${marked_folder##*/}"
+          fi
+          last_marked_folder=$marked_folder
+        done
 
-        dir_truncate_root=$(upsearch $POWERLEVEL9K_ROOT_MARKER_FILE)
         zero='%([BSUbfksu]|([FB]|){*})'
-
-        if [[ "$dir_truncate_root" == "/" || "$dir_truncate_root" == "$HOME" || "${dir_truncate_root%/*}" == "$HOME" || ${dir_truncate_root%/*} == "/" ]]; then
-          current_path='%~'
-        elif [[ "$dir_truncate_root" == "$HOME"* ]]; then
-          current_path="~/$POWERLEVEL9K_SHORTEN_DELIMITER/${dir_truncate_root##*/}${PWD:${#${(S%%)dir_truncate_root//$~zero/}}}"
-        else
-          current_path="/$POWERLEVEL9K_SHORTEN_DELIMITER/${dir_truncate_root##*/}${PWD:${#${(S%%)dir_truncate_root//$~zero/}}}"
-        fi
+        current_path=$current_path${PWD:${#${(S%%)last_marked_folder//$~zero/}}}
       ;;
       *)
         current_path="%$((POWERLEVEL9K_SHORTEN_DIR_LENGTH+1))(c:$POWERLEVEL9K_SHORTEN_DELIMITER/:)%${POWERLEVEL9K_SHORTEN_DIR_LENGTH}c"

From 6927b0ca94157e2fb9dcd3b12766b4e913d0e44e Mon Sep 17 00:00:00 2001
From: Benoit Averty <benoit.averty@gmail.com>
Date: Tue, 9 Aug 2016 11:22:02 +0200
Subject: [PATCH 10/17] Add directory permission prompt segment

---
 functions/icons.zsh    | 3 +++
 powerlevel9k.zsh-theme | 8 +++++++-
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/functions/icons.zsh b/functions/icons.zsh
index df92d22a..44d99095 100644
--- a/functions/icons.zsh
+++ b/functions/icons.zsh
@@ -78,6 +78,7 @@ case $POWERLEVEL9K_MODE in
       PYTHON_ICON                    $'\U1F40D'             # 🐍
       SWIFT_ICON                     ''
       PUBLIC_IP_ICON                 ''
+      LOCK_ICON                      $'\UE138'              # 
     )
   ;;
   'awesome-fontconfig')
@@ -138,6 +139,7 @@ case $POWERLEVEL9K_MODE in
       PYTHON_ICON                    $'\U1F40D'             # 🐍
       SWIFT_ICON                     ''
       PUBLIC_IP_ICON                 ''
+      LOCK_ICON                      $'\UE138'              # 
     )
   ;;
   *)
@@ -198,6 +200,7 @@ case $POWERLEVEL9K_MODE in
       PYTHON_ICON                    ''
       SWIFT_ICON                     'Swift'
       PUBLIC_IP_ICON                 ''
+      LOCK_ICON                      $'\UE0A2'
     )
   ;;
 esac
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index f104b789..620a5f7d 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -1114,6 +1114,13 @@ prompt_swift_version() {
   "$1_prompt_segment" "$0" "$2" "magenta" "white" "${swift_version}" 'SWIFT_ICON'
 }
 
+# dir_permision: Display information about the user's permission to write in the current directory
+prompt_dir_permission() {
+  if [[ ! -w "$PWD" ]]; then
+    "$1_prompt_segment" "$0_FORBIDDEN" "$2" "red" "226" "" 'LOCK_ICON'
+  fi
+}
+
 ################################################################
 # Prompt processing and drawing
 ################################################################
@@ -1240,4 +1247,3 @@ prompt_powerlevel9k_setup() {
 }
 
 prompt_powerlevel9k_setup "$@"
-

From 052eba9c74b2153dbd70eb4ba829f258a596baf2 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Tue, 31 Jan 2017 23:57:59 +0100
Subject: [PATCH 11/17] Rename `dir_permissions` segment to `dir_writable`

Additionally:
- Add changelog entry
- Add documentation
---
 CHANGELOG.md           | 4 ++++
 README.md              | 1 +
 powerlevel9k.zsh-theme | 4 ++--
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index defc1dd0..5db1f6e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -20,6 +20,10 @@ Added an option to configure the path separator. If you want something
 else than an ordinary slash, you could set
 `POWERLEVEL9K_DIR_PATH_SEPARATOR` to whatever you want.
 
+### New segment 'dir_writable' added
+
+This segment displays a lock icon if your user has no write permissions in the current folder.
+
 ### New segment 'disk_usage' added
 
 This segment will show the usage level of your current partition.
diff --git a/README.md b/README.md
index f7a80a09..8f606f6b 100644
--- a/README.md
+++ b/README.md
@@ -89,6 +89,7 @@ The segments that are currently available are:
 * [`battery`](#battery) - Current battery status.
 * [`context`](#context) - Your username and host.
 * [`dir`](#dir) - Your current working directory.
+* `dir_writable` - Displays a lock icon, if you do not have write permissions on the current folder.
 * [`disk_usage`](#disk_usage) - Disk usage of your current partition.
 * `history` - The command number for the current line.
 * [`ip`](#ip) - Shows the current IP address.
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 620a5f7d..b89f390c 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -1114,8 +1114,8 @@ prompt_swift_version() {
   "$1_prompt_segment" "$0" "$2" "magenta" "white" "${swift_version}" 'SWIFT_ICON'
 }
 
-# dir_permision: Display information about the user's permission to write in the current directory
-prompt_dir_permission() {
+# dir_writable: Display information about the user's permission to write in the current directory
+prompt_dir_writable() {
   if [[ ! -w "$PWD" ]]; then
     "$1_prompt_segment" "$0_FORBIDDEN" "$2" "red" "226" "" 'LOCK_ICON'
   fi

From eb865664e4225b94fc01ce1c05f27d1db18e172d Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Thu, 2 Feb 2017 00:31:04 +0100
Subject: [PATCH 12/17] Add comments to the dir segment

---
 powerlevel9k.zsh-theme | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 420f7d0b..723954be 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -615,8 +615,10 @@ prompt_dir() {
 
         for marked_folder in $(upsearch $POWERLEVEL9K_SHORTEN_FOLDER_MARKER); do
           if [[ "$marked_folder" == "/" ]]; then
+            # If we reached root folder, stop upsearch.
             current_path="/"
           elif [[ "$marked_folder" == "$HOME" ]]; then
+            # If we reached home folder, stop upsearch.
             current_path="~"
           elif [[ "${marked_folder%/*}" == $last_marked_folder ]]; then
             current_path="${current_path%/}/${marked_folder##*/}"

From ed9d18f1de5d5e0142f40bea452ddc3749967baa Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Thu, 2 Feb 2017 00:31:36 +0100
Subject: [PATCH 13/17] Add documentation for dir truncation strategies

---
 README.md | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index f7a80a09..99f1d6e2 100644
--- a/README.md
+++ b/README.md
@@ -278,9 +278,17 @@ Customizations available are:
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
 |`POWERLEVEL9K_SHORTEN_DIR_LENGTH`|`2`|If your shorten strategy, below, is entire directories, this field determines how many directories to leave at the end. If your shorten strategy is by character count, this field determines how many characters to allow per directory string.|
-|`POWERLEVEL9K_SHORTEN_STRATEGY`|None|How the directory strings should be truncated. By default, it will truncate whole directories. Other options are `truncate_middle`, which leaves the start and end of the directory strings, and `truncate_from_right`, which cuts starting from the end of the string.  You can also use `truncate_with_package_name` to use the `package.json` `name` field to abbreviate the directory path.|
+|`POWERLEVEL9K_SHORTEN_STRATEGY`|None|How the directory strings should be truncated. See the table below for more informations.|
 |`POWERLEVEL9K_SHORTEN_DELIMITER`|`..`|Delimiter to use in truncated strings. This can be any string you choose, including an empty string if you wish to have no delimiter.|
 
+| Strategy Name | Description |
+|---------------|-------------|
+|Default|Truncate whole directories from left. How many is defined by `POWERLEVEL9K_SHORTEN_DIR_LENGTH`|
+|`truncate_middle`|Truncates the middle part of a folder. E.g. you are in a folder named "~/MySuperProjects/AwesomeFiles/BoringOffice", then it will truncated to "~/MyS..cts/Awe..les/BoringOffice", if `POWERLEVEL9K_SHORTEN_DIR_LENGTH=3` is also set (controls the amount of characters to be left).|
+|`truncate_from_right`|Just leaves the beginning of a folder name untouched. E.g. your folders will be truncated like so: "/ro../Pr../office". How many characters will be untouched is controlled by `POWERLEVEL9K_SHORTEN_DIR_LENGTH`.|
+|`truncate_with_package_name`|Use the `package.json` `name` field to abbreviate the directory path.|
+|`truncate_with_folder_marker`|Search for a file that is specified by `POWERLEVEL9K_SHORTEN_FOLDER_MARKER` and truncate everything before that (if found, otherwise stop on $HOME and ROOT).|
+
 For example, if you wanted the truncation behavior of the `fish` shell, which
 truncates `/usr/share/plasma` to `/u/s/plasma`, you would use the following:
 ```zsh

From 8e99944797b171b84bd347cc8b9c065d7298d25c Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sun, 5 Feb 2017 14:34:56 +0100
Subject: [PATCH 14/17] Add test for truncate_with_folder_marker truncation
 strategy

---
 test/segments/dir.spec | 46 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/test/segments/dir.spec b/test/segments/dir.spec
index 840a298b..0f253ac3 100755
--- a/test/segments/dir.spec
+++ b/test/segments/dir.spec
@@ -71,6 +71,52 @@ function testTruncationFromRightWorks() {
   unset POWERLEVEL9K_SHORTEN_STRATEGY
 }
 
+function testTruncateWithFolderMarkerWorks() {
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
+
+  local BASEFOLDER=/tmp/powerlevel9k-test
+  local FOLDER=$BASEFOLDER/1/12/123/1234/12345/123456/1234567
+  mkdir -p $FOLDER
+  # Setup folder marker
+  touch $BASEFOLDER/1/12/.shorten_folder_marker
+  cd $FOLDER
+  assertEquals "%K{blue} %F{black}/…/12/123/1234/12345/123456/1234567 %k%F{blue}%f " "$(build_left_prompt)"
+
+  cd -
+  rm -fr $BASEFOLDER
+  unset BASEFOLDER
+  unset FOLDER
+  unset POWERLEVEL9K_SHORTEN_STRATEGY
+  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
+  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+}
+
+function testTruncateWithFolderMarkerWithChangedFolderMarker() {
+  POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
+  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
+  POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
+  POWERLEVEL9K_SHORTEN_FOLDER_MARKER='.xxx'
+
+  local BASEFOLDER=/tmp/powerlevel9k-test
+  local FOLDER=$BASEFOLDER/1/12/123/1234/12345/123456/1234567
+  mkdir -p $FOLDER
+  # Setup folder marker
+  touch $BASEFOLDER/1/12/.xxx
+  cd $FOLDER
+  assertEquals "%K{blue} %F{black}/…/12/123/1234/12345/123456/1234567 %k%F{blue}%f " "$(build_left_prompt)"
+
+  cd -
+  rm -fr $BASEFOLDER
+  unset BASEFOLDER
+  unset FOLDER
+  unset POWERLEVEL9K_SHORTEN_FOLDER_MARKER
+  unset POWERLEVEL9K_SHORTEN_STRATEGY
+  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
+  unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
+}
+
 function testHomeFolderDetectionWorks() {
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
   POWERLEVEL9K_HOME_ICON='home-icon'

From a4cb875615bedc305168c694793616de8d72c1b3 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Sun, 12 Feb 2017 23:27:16 +0100
Subject: [PATCH 15/17] Add documentation about mysterious 'BSUbfksu' pattern

---
 powerlevel9k.zsh-theme | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index d51ec8f2..e6befc6d 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -591,7 +591,12 @@ prompt_dir() {
           package_path=${$(pwd)%%/.git*}
         fi
 
-        zero='%([BSUbfksu]|([FB]|){*})'
+        # Replace the shortest possible match of the marked folder from
+        # the current path. Remove the amount of characters up to the
+        # folder marker from the left. Count only the visible characters
+        # in the path (this is done by the "zero" pattern; see
+        # http://stackoverflow.com/a/40855342/5586433).
+        local zero='%([BSUbfksu]|([FB]|){*})'
         current_dir=$(pwd)
         # Then, find the length of the package_path string, and save the
         # subdirectory path as a substring of the current directory's path from 0
@@ -613,6 +618,9 @@ prompt_dir() {
         local last_marked_folder marked_folder zero
         set_default POWERLEVEL9K_SHORTEN_FOLDER_MARKER ".shorten_folder_marker"
 
+        # Search for the folder marker in the parent directories and
+        # buildup a pattern that is removed from the current path
+        # later on.
         for marked_folder in $(upsearch $POWERLEVEL9K_SHORTEN_FOLDER_MARKER); do
           if [[ "$marked_folder" == "/" ]]; then
             # If we reached root folder, stop upsearch.
@@ -628,7 +636,12 @@ prompt_dir() {
           last_marked_folder=$marked_folder
         done
 
-        zero='%([BSUbfksu]|([FB]|){*})'
+        # Replace the shortest possible match of the marked folder from
+        # the current path. Remove the amount of characters up to the
+        # folder marker from the left. Count only the visible characters
+        # in the path (this is done by the "zero" pattern; see
+        # http://stackoverflow.com/a/40855342/5586433).
+        local zero='%([BSUbfksu]|([FB]|){*})'
         current_path=$current_path${PWD:${#${(S%%)last_marked_folder//$~zero/}}}
       ;;
       *)

From f6c65e3cf7b87a07b7dffb0c3d77a6932241c242 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Mon, 13 Feb 2017 00:18:34 +0100
Subject: [PATCH 16/17] Get rid of unreadable BSU-pattern

Now the current folder in `truncate_with_folder_marker` strategy is
truncated by cutting off the found folder from the beginning of $PWD.
---
 powerlevel9k.zsh-theme | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index e6befc6d..55e33680 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -615,7 +615,7 @@ prompt_dir() {
         fi
       ;;
       truncate_with_folder_marker)
-        local last_marked_folder marked_folder zero
+        local last_marked_folder marked_folder
         set_default POWERLEVEL9K_SHORTEN_FOLDER_MARKER ".shorten_folder_marker"
 
         # Search for the folder marker in the parent directories and
@@ -637,12 +637,8 @@ prompt_dir() {
         done
 
         # Replace the shortest possible match of the marked folder from
-        # the current path. Remove the amount of characters up to the
-        # folder marker from the left. Count only the visible characters
-        # in the path (this is done by the "zero" pattern; see
-        # http://stackoverflow.com/a/40855342/5586433).
-        local zero='%([BSUbfksu]|([FB]|){*})'
-        current_path=$current_path${PWD:${#${(S%%)last_marked_folder//$~zero/}}}
+        # the current path.
+        current_path=$current_path${PWD#${last_marked_folder}*}
       ;;
       *)
         current_path="%$((POWERLEVEL9K_SHORTEN_DIR_LENGTH+1))(c:$POWERLEVEL9K_SHORTEN_DELIMITER/:)%${POWERLEVEL9K_SHORTEN_DIR_LENGTH}c"

From 6e1259ee99a51a8cb52f975ebb45ede2792a4730 Mon Sep 17 00:00:00 2001
From: Dominik Ritter <dritter03@googlemail.com>
Date: Mon, 13 Feb 2017 00:20:01 +0100
Subject: [PATCH 17/17] Remove unnecessary variable from tests

---
 test/segments/dir.spec | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/test/segments/dir.spec b/test/segments/dir.spec
index 0f253ac3..69359e25 100755
--- a/test/segments/dir.spec
+++ b/test/segments/dir.spec
@@ -73,7 +73,6 @@ function testTruncationFromRightWorks() {
 
 function testTruncateWithFolderMarkerWorks() {
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
   POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
 
   local BASEFOLDER=/tmp/powerlevel9k-test
@@ -89,13 +88,11 @@ function testTruncateWithFolderMarkerWorks() {
   unset BASEFOLDER
   unset FOLDER
   unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
   unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
 }
 
 function testTruncateWithFolderMarkerWithChangedFolderMarker() {
   POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(dir)
-  POWERLEVEL9K_SHORTEN_DIR_LENGTH=2
   POWERLEVEL9K_SHORTEN_STRATEGY="truncate_with_folder_marker"
   POWERLEVEL9K_SHORTEN_FOLDER_MARKER='.xxx'
 
@@ -113,7 +110,6 @@ function testTruncateWithFolderMarkerWithChangedFolderMarker() {
   unset FOLDER
   unset POWERLEVEL9K_SHORTEN_FOLDER_MARKER
   unset POWERLEVEL9K_SHORTEN_STRATEGY
-  unset POWERLEVEL9K_SHORTEN_DIR_LENGTH
   unset POWERLEVEL9K_LEFT_PROMPT_ELEMENTS
 }