From f37be006c374392464bd1964fca4f2b227e8e07d Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Wed, 21 May 2014 01:14:21 +0900
Subject: [PATCH] Update uninstall script

---
 install   |  2 +-
 uninstall | 62 +++++++++++++++++++++++--------------------------------
 2 files changed, 27 insertions(+), 37 deletions(-)

diff --git a/install b/install
index 7068dd2c..ee86892e 100755
--- a/install
+++ b/install
@@ -345,7 +345,7 @@ Finished. Restart your shell or reload config file.
 EOF
 [ $has_fish -eq 1 ] && echo "   fzf_key_bindings  # fish"; cat << EOF
 
-To uninstall fzf, simply remove the added lines.
+Use uninstall script to remove fzf.
 
 For more information, see: https://github.com/junegunn/fzf
 EOF
diff --git a/uninstall b/uninstall
index be69e15d..202d8e31 100755
--- a/uninstall
+++ b/uninstall
@@ -1,52 +1,42 @@
 #!/bin/bash
 
 remove_line() {
-  echo "Remove from $2:"
-  echo "  - $1"
-  
-  i=$(grep -c "$1" "$2")
-  if [ $i -eq 0 ]
-  then
-    echo "    - Nothing found"
+  src=$(readlink "$2")
+  if [ $? -eq 0 ]; then
+    echo "Remove from $2 ($src):"
+  else
+    src=$2
+    echo "Remove from $2:"
   fi
-  
-  while [ $i -gt 0 ]
-  do
-    line=$(grep -m1 -nF "$1" "$2")
-    lineNumber=$(grep -m1 -nF "$1" "$2" | sed 's/:.*//')
-    if [ -n "$lineNumber" ]; then
-      echo "    - Remove line ($line)"
-      awk -v n=$lineNumber 'NR == n {next} {print}' $2 > $2.bak && mv $2.bak $2
-    else
-      echo "    - Nothing found"
-    fi
-    i=`expr $i - 1`
+  echo "  - $1"
+
+  changed=0
+  while [ 1 ]; do
+    line=$(grep -m1 -nF "$1" "$src") || break
+    line_no=$(sed 's/:.*//' <<< "$line")
+    echo "    - Remove line ($line)"
+    awk -v n=$line_no 'NR == n {next} {print}' "$src" > "$src.bak" &&
+      mv "$src.bak" "$src" || break
+    changed=1
   done
+  [ $changed -eq 0 ] && echo "    - Nothing found"
   echo
 }
 
 for shell in bash zsh; do
-  if [ -f ~/.fzf.${shell} ]
-  then
-    rm ~/.fzf.${shell}
-  fi
+  rm -f ~/.fzf.${shell}
   remove_line "source ~/.fzf.${shell}" ~/.${shell}rc
-  bind_file="~/.config/fish/functions/fish_user_key_bindings.fish"
-  if [ -f $bind_file ]
-  then
-    remove_line "fzf_key_bindings" "$bind_file"
-  fi
 done
 
-if [ -d ~/.config/fish/functions ]
-then
-  if [ -f ~/.config/fish/functions/fzf.fish ]
-  then
-    rm ~/.config/fish/functions/fzf.fish
-  fi
+bind_file=~/.config/fish/functions/fish_user_key_bindings.fish
+if [ -f "$bind_file" ]; then
+  remove_line "fzf_key_bindings" "$bind_file"
+fi
+
+if [ -d ~/.config/fish/functions ]; then
+  rm -f ~/.config/fish/functions/fzf.fish
 
-  if [ "$(ls -A ~/.config/fish/functions)" ]
-  then
+  if [ "$(ls -A ~/.config/fish/functions)" ]; then
     echo "Can't delete non-empty directory: \"~/.config/fish/functions\""
   else
     rmdir ~/.config/fish/functions