Merge branch 'next' of https://github.com/bhilburn/powerlevel9k into nerdfont

* 'next' of https://github.com/bhilburn/powerlevel9k:
  CHANGELOG: Updating to reflect work on `next`
  README: fixing name of `detect-virt` to `detect_virt`
  README: default segment list was no longer accurate
  updating changelog for segment name change `disk_usage`
  incorportaing feedback from review on `hdd_usage` segment
  Fix swift segment
  Updating the readme wih `hdd_usage` details.
  changing `hdd_usage` to actually show usage
  Moving `HDD_ICON` definition to consistent spot.
  Fix
  Fix
  Fix
  Fix
  Fix
  Fix
  Change colors
  Add anion155's HDD segment

4 files changed, 95 insertions, 10 deletions

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8060e0fa..defc1dd0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,41 @@
 ## next
 
+- Fixed a bug where the tag display was broken on detached HEADs.
+- Fixed a bug where SVN detection sometimes failed.
+- Fixed the `load` and `ram` segments for BSD.
+- Fixed code-points that changed in Awesome fonts.
+- Fixed display of "OK_ICON" in `status` segment in non-verbose mode.
+- Fixed an issue where dir name truncation that was very short sometimes failed.
+- Speed & accuracy improvements to the battery segment.
+- Added Github syntax highlighting to README.
+- Various documentation cleanup.
+
+### `vcs` changes
+
+The VCS segment can now display icons for remote repo hosting services, including Github, Gitlab, and 'other'.
+
 ### `dir` changes
 
 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 'disk_usage' added
+
+This segment will show the usage level of your current partition.
+
+### New segment 'public_ip' added
+
+Fetches your Public IP (using ident.me) and displays it in your prompt.
+
+### New segment 'swift_version' added
+
+This segment displays the version of Swift that is installed / in your path.
+
+### New segment 'detect_virt' added
+
+Detects and reports if you are in a virtualized session using `systemd`.
+
 ## v0.5.0
 
 ### `load` and `ram` changes
diff --git a/README.md b/README.md
index f6b8c54c..f7a80a09 100644
--- a/README.md
+++ b/README.md
@@ -46,8 +46,8 @@ Here is `powerlevel9k` in action, with [some simple settings](https://github.com
 Be sure to also [check out the Wiki](https://github.com/bhilburn/powerlevel9k/wiki)!
 
 ### Installation
-There are two installation steps to go from a lame terminal to a "Power Level
-9000" terminal. Once you are done, you can optionally customize your prompt.
+There are two installation steps to go from a vanilla terminal to a PL9k
+terminal. Once you are done, you can optionally customize your prompt.
 
 [Installation Instructions](https://github.com/bhilburn/powerlevel9k/wiki/Install-Instructions)
 
@@ -71,14 +71,15 @@ variables to your `~/.zshrc`.
 | Variable | Default Value | Description |
 |----------|---------------|-------------|
 |`POWERLEVEL9K_LEFT_PROMPT_ELEMENTS`|`(context dir rbenv vcs)`|Segment list for left prompt|
-|`POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS`|`(status history time)`|Segment list for right prompt|
+|`POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS`|`(status root_indicator background_jobs history time)`|Segment list for right prompt|
 
 
-So if you wanted to set these variables manually, you would put the following in
+The table above shows the default values, so if you wanted to set these
+variables manually, you would put the following in
 your `~/.zshrc`:
 ```zsh
 POWERLEVEL9K_LEFT_PROMPT_ELEMENTS=(context dir rbenv vcs)
-POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status history time)
+POWERLEVEL9K_RIGHT_PROMPT_ELEMENTS=(status root_indicator background_jobs history time)
 ```
 #### Available Prompt Segments
 The segments that are currently available are:
@@ -88,6 +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.
+* [`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.
 * [`public_ip`](#public_ip) - Shows your public IP address.
@@ -137,7 +139,7 @@ The segments that are currently available are:
 * [`custom_command`](#custom_command) - Create a custom segment to display the
   output of an arbitrary command.
 * [`todo`](http://todotxt.com/) - Shows the number of tasks in your todo.txt tasks file.
-* `detect-virt` - Virtualization detection with systemd
+* `detect_virt` - Virtualization detection with systemd
 
 ---------------------------------------------------------------------------------
 
@@ -306,6 +308,16 @@ If you want to customize the directory separator, you could set:
 POWERLEVEL9K_DIR_PATH_SEPARATOR="%f "$'\uE0B1'" %F"
 ```
 
+##### disk_usage
+
+The `disk_usage` segment will show the usage level of the partition that your current working directory resides in. It can be configured with the following variables.
+
+| Variable | Default Value | Description |
+|----------|---------------|-------------|
+|POWERLEVEL9K_DISK_USAGE_ONLY_WARNING|false|Hide the segment except when usage levels have hit warning or critical levels.|
+|POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL|90|The usage level that triggers a warning state.|
+|POWERLEVEL9K_DISK_USAGE_CRITICAL_LEVEL|95|The usage level that triggers a critical state.|
+
 ##### ip
 
 This segment tries to examine all currently used network interfaces and prints
diff --git a/functions/icons.zsh b/functions/icons.zsh
index c02e84e8..1d37ba60 100644
--- a/functions/icons.zsh
+++ b/functions/icons.zsh
@@ -34,6 +34,7 @@ case $POWERLEVEL9K_MODE in
       TEST_ICON                      $'\uE891'              # 
       TODO_ICON                      $'\u2611'              # ☑
       BATTERY_ICON                   $'\uE894'              # 
+      DISK_ICON                      $'\uE1AE '             # 
       OK_ICON                        $'\u2713'              # ✓
       FAIL_ICON                      $'\u2718'              # ✘
       SYMFONY_ICON                   'SF'
@@ -97,6 +98,7 @@ case $POWERLEVEL9K_MODE in
       TEST_ICON                      $'\uF291'              # 
       TODO_ICON                      $'\u2611'              # ☑
       BATTERY_ICON                   $'\U1F50B'             # 🔋
+      DISK_ICON                      $'\uF0A0 '             # 
       OK_ICON                        $'\u2713'              # ✓
       FAIL_ICON                      $'\u2718'              # ✘
       SYMFONY_ICON                   'SF'
@@ -212,6 +214,7 @@ case $POWERLEVEL9K_MODE in
       TEST_ICON                      ''
       TODO_ICON                      $'\u2611'              # ☑
       BATTERY_ICON                   $'\U1F50B'             # 🔋
+      DISK_ICON                      $'hdd '
       OK_ICON                        $'\u2713'              # ✓
       FAIL_ICON                      $'\u2718'              # ✘
       SYMFONY_ICON                   'SF'
diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index c3f2be74..f104b789 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -337,6 +337,48 @@ prompt_background_jobs() {
   fi
 }
 
+# Segment that indicates usage level of current partition.
+set_default POWERLEVEL9K_DISK_USAGE_ONLY_WARNING false
+set_default POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL 90
+set_default POWERLEVEL9K_DISK_USAGE_CRITICAL_LEVEL 95
+prompt_disk_usage() {
+  local current_state="unknown"
+  typeset -AH hdd_usage_forecolors
+  hdd_usage_forecolors=(
+    'normal'        'yellow'
+    'warning'       "$DEFAULT_COLOR"
+    'critical'      'white'
+  )
+  typeset -AH hdd_usage_backcolors
+  hdd_usage_backcolors=(
+    'normal'        $DEFAULT_COLOR
+    'warning'       'yellow'
+    'critical'      'red'
+  )
+
+  local disk_usage="${$(\df -P . | sed -n '2p' | awk '{ print $5 }')%%\%}"
+
+  if [ "$disk_usage" -ge "$POWERLEVEL9K_DISK_USAGE_WARNING_LEVEL" ]; then
+    current_state='warning'
+    if [ "$disk_usage" -ge "$POWERLEVEL9K_DISK_USAGE_CRITICAL_LEVEL" ]; then
+        current_state='critical'
+    fi
+  else
+    if [[ "$POWERLEVEL9K_DISK_USAGE_ONLY_WARNING" == true ]]; then
+        current_state=''
+        return
+    fi
+    current_state='normal'
+  fi
+
+  local message="${disk_usage}%%"
+
+  # Draw the prompt_segment
+  if [[ -n $disk_usage ]]; then
+    "$1_prompt_segment" "${0}_${current_state}" "$2" "${hdd_usage_backcolors[$current_state]}" "${hdd_usage_forecolors[$current_state]}" "$message" 'DISK_ICON'
+  fi
+}
+
 prompt_battery() {
   # The battery can have four different states - default to 'unknown'.
   local current_state='unknown'
@@ -1065,12 +1107,10 @@ prompt_pyenv() {
 
 # Swift version
 prompt_swift_version() {
-  local swift_version=($(swift --version 2>/dev/null))
+  # Get the first number as this is probably the "main" version number..
+  local swift_version=$(swift --version 2>/dev/null | grep -o -E "[0-9.]+" | head -n 1)
   [[ -z "${swift_version}" ]] && return
 
-  # Extract semantic version
-  swift_version=$(echo ${swift_version} | sed -e 's/[^0-9.]*\([0-9.]*\).*/\1/')
-
   "$1_prompt_segment" "$0" "$2" "magenta" "white" "${swift_version}" 'SWIFT_ICON'
 }