From: Oleg Broytman <phd@phdru.name>
Date: Mon, 26 Apr 2021 15:17:12 +0000 (+0300)
Subject: Feat(bash_prompt): Cut dirs to 20% of the term width
X-Git-Url: https://git.phdru.name/?p=dotfiles.git;a=commitdiff_plain;h=e507d6e0c73bef06385da3bc457c72a86e2e8100

Feat(bash_prompt): Cut dirs to 20% of the term width
---

diff --git a/admin/prog/bash_prompt b/admin/prog/bash_prompt
index 7ef5fc9..8c3a9fe 100644
--- a/admin/prog/bash_prompt
+++ b/admin/prog/bash_prompt
@@ -6,6 +6,10 @@ cgmem_which_prompt() {
    fi
 }
 
+# Cut directories to 20% of the terminal width; add space for 3 dots
+_DIR_LENGTH=`awk "END { print int(0.2 * $COLUMNS) }" </dev/null`
+_DIR_LENGTH_DOTS=`expr $_DIR_LENGTH + 3`
+
 short_curdir() {
    if [ "$PWD" = / ]; then
       echo /
@@ -17,8 +21,8 @@ short_curdir() {
    fi
    local _short_curdir
    _short_curdir="${PWD##*/}" # cut all directories, get base name
-   if [ "${#_short_curdir}" -gt 18 ]; then
-      _short_curdir="${_short_curdir::15}..." # cut long string
+   if [ "${#_short_curdir}" -gt $_DIR_LENGTH_DOTS ]; then
+      _short_curdir="${_short_curdir::$_DIR_LENGTH}..." # cut long string
    fi
    echo "${_short_curdir}"
 }