From b7b6b679a7fda0ff3a6643618cd86278083b663f Mon Sep 17 00:00:00 2001
From: Simon Ruderich <simon@ruderich.org>
Date: Sun, 10 Mar 2013 23:54:45 +0100
Subject: [PATCH] setup.sh,shell/aliases: Only use `column -t` if it's
 available.

---
 setup.sh         | 11 ++++++++++-
 shell/aliases.in |  7 +++++--
 2 files changed, 15 insertions(+), 3 deletions(-)

diff --git a/setup.sh b/setup.sh
index 3a5e7f2..6bede11 100755
--- a/setup.sh
+++ b/setup.sh
@@ -95,14 +95,23 @@ else
     ls_env=
     ls_color=
 fi
+
+# Also check if `column -t` is available.
+if echo test | column -t >/dev/null 2>&1; then
+    column=' | column -t'
+else
+    column=
+fi
+
 generate perl shell/aliases \
     -e 'while (<STDIN>) {
             s/\bLS_ENV\b/$ARGV[0]/;
             s/\bLS_PATH\b/$ARGV[1]/;
             s/\bLS_COLOR\b/$ARGV[2]/;
+            s/\bCOLUMN\b/$ARGV[3]/;
             print;
         }' \
-    "$ls_env" "$ls_path" "$ls_color"
+    "$ls_env" "$ls_path" "$ls_color" "$column"
 
 # Check if grep supports --color=auto.
 if echo test | grep --color=auto test >/dev/null 2>&1; then
diff --git a/shell/aliases.in b/shell/aliases.in
index f86eba8..27ce92c 100644
--- a/shell/aliases.in
+++ b/shell/aliases.in
@@ -68,11 +68,14 @@ alias :q='echo "This is not Vim!" >&2'
 # Automatically use unified diffs.
 alias diff='diff -u'
 
+# COLUMN is set to `| column -t` if it's available, empty otherwise.
+
 # Display all files (-s), use human readable sizes (-h) and display the
 # complete size (-c).
 alias du='du -shc'
-# Use human readable sizes.
-alias df='df -h'
+# Use human readable sizes and format it nicely, thanks to climagic
+# (http://twitter.com/climagic/status/49623386762129408).
+alias df='df -hP COLUMN'
 
 # Highlight matched strings. Doesn't work with a pager!
 alias grep='grep --color=auto'
-- 
2.44.1