From 73a9ee7c870fcc93182c17f7d9d0c6942116169d Mon Sep 17 00:00:00 2001
From: Miroslav Šedivý <6774676+eumiro@users.noreply.github.com>
Date: Fri, 11 Aug 2017 22:44:18 +0200
Subject: add TRUNCATE_TO_UNIQUE shortening dir strategy

This creates the shortest unique path elements that can be unambiguously expanded to the original path.
---
 powerlevel9k.zsh-theme | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

(limited to 'powerlevel9k.zsh-theme')

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 5bd5f586..3869d262 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -709,6 +709,27 @@ prompt_dir() {
         # the current path.
         current_path=$current_path${PWD#${last_marked_folder}*}
       ;;
+      truncate_to_unique)
+        # for each parent path component find the shortest unique beginning
+        # characters sequence
+        paths=(${(s:/:)PWD})
+        cur_path='/'
+        cur_short_path='/'
+        for directory in ${paths[@]}
+        do
+          cur_dir=''
+          for (( i=0; i<${#directory}; i++ )); do
+            cur_dir+="${directory:$i:1}"
+            matching=("$cur_path"/"$cur_dir"*/)
+            if [[ ${#matching[@]} -eq 1 ]]; then
+              break
+            fi
+          done
+          cur_short_path+="$cur_dir/"
+          cur_path+="$directory/"
+        done
+        current_path="${cur_short_path: : -1}"
+      ;;
       *)
         current_path="$(print -P "%$((POWERLEVEL9K_SHORTEN_DIR_LENGTH+1))(c:$POWERLEVEL9K_SHORTEN_DELIMITER/:)%${POWERLEVEL9K_SHORTEN_DIR_LENGTH}c")"
       ;;
-- 
cgit v1.2.3


From e464b4e2a559508f9f4e0a9bc28a3b1e7d08fbd6 Mon Sep 17 00:00:00 2001
From: Ben Hilburn <bhilburn@gmail.com>
Date: Sat, 12 Aug 2017 13:49:50 -0400
Subject: Adding reference for `truncate_to_unique` code.

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

(limited to 'powerlevel9k.zsh-theme')

diff --git a/powerlevel9k.zsh-theme b/powerlevel9k.zsh-theme
index 3869d262..3baa50ce 100755
--- a/powerlevel9k.zsh-theme
+++ b/powerlevel9k.zsh-theme
@@ -711,7 +711,7 @@ prompt_dir() {
       ;;
       truncate_to_unique)
         # for each parent path component find the shortest unique beginning
-        # characters sequence
+        # characters sequence. Source: https://stackoverflow.com/a/45336078
         paths=(${(s:/:)PWD})
         cur_path='/'
         cur_short_path='/'
-- 
cgit v1.2.3