selflink.sh install directory is now configurable

Signed-off-by: Max Howell <max@methylblue.com>

I preserved the behaviour where the whole Library directory is symlinked as no explanation for this change was given…

1 files changed, 21 insertions, 16 deletions

diff --git a/Library/Contributions/selflink.sh b/Library/Contributions/selflink.sh
index ffa5ba8e4..c08aa739f 100755
--- a/Library/Contributions/selflink.sh
+++ b/Library/Contributions/selflink.sh
@@ -1,41 +1,46 @@
 #!/usr/bin/env bash
-# This script links your clone into /usr/local, so you can keep the .git
-# directory out of the way.
+# This script links your clone into $install_base, so you can keep the .git
+# directory out of the way. Default for no parameters is /usr/local
 
 mode=$1
 if [[ -z $mode ]]; then
     mode="install"
 fi
 
+install_base=$2
+if [[ -z $install_base ]]; then
+    install_base="/usr/local"
+fi
+
 source_base=`pwd`
 
 if [[ $mode == install ]]; then
-    # Ensure that the Cellar exists
+    # Ensure that the Cellar exists -- otherwise Homebrew breaks
     if [[ ! -e "$source_base/Cellar" ]] ; then
         mkdir -p "$source_base/Cellar"
     fi
     
-    if [[ ! -e "/usr/local/bin" ]] ; then
-        mkdir -p /usr/local/bin
+    if [[ ! -e "$install_base/bin" ]] ; then
+        mkdir -p $install_base/bin
     fi
     
-    ln -s "$source_base/bin/brew" "/usr/local/bin/brew";
-    ln -s "$source_base/Library" "/usr/local/Library";
-    ln -s "$source_base/Cellar" "/usr/local/Cellar";
+    ln -s "$source_base/bin/brew" "$install_base/bin/brew";
+    ln -s "$source_base/Library" "$install_base/Library";
+    ln -s "$source_base/Cellar" "$install_base/Cellar";
 elif [[ $mode == undo ]]; then
-    if [[ -h "/usr/local/bin/brew" ]] ; then
-        rm "/usr/local/bin/brew"
+    if [[ -h "$install_base/bin/brew" ]] ; then
+        rm "$install_base/bin/brew"
     fi
 
-    if [[ -h "/usr/local/Library" ]] ; then
-        rm "/usr/local/Library"
+    if [[ -h "$install_base/Library" ]] ; then
+        rm "$install_base/Library"
     fi
 
-    if [[ -h "/usr/local/Cellar" ]] ; then
-        rm "/usr/local/Cellar"
+    if [[ -h "$install_base/Cellar" ]] ; then
+        rm "$install_base/Cellar"
     fi
 else
     echo "Unknown command: $mode";
-    echo "\tselflink.sh [install] >> symlinks to /usr/local"
-    echo "\tselflink.sh undo >> removes symlinks from /usr/local"
+    echo "\tselflink.sh [install] >> symlinks to $install_base"
+    echo "\tselflink.sh undo >> removes symlinks from $install_base"
 fi