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Dereference link for sshuttle launcher script if it's a symlink #7

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Josh Russell Davies apenwarr
Josh

I have the launcher script symlinked into ~/bin, but it doesn't properly locate the python script as $(dirname $0) is ~/bin in that case.

This is a really ugly way to dereference that symlink, but I couldn't find any better way to do it with BSD coreutils. Seems like readlink -f for GNU coreutils would do the trick, but that doesn't work on OS X.
This might not be the best way to do it, but it works...

Russell Davies

This only works if the symlink is using relative paths. Perhaps a better solution would be using python's os.path.realpath: https://gist.github.com/922277

apenwarr apenwarr closed this April 24, 2011
apenwarr
Owner

Merged a variant of this, will show up in my repo soon.

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Showing 1 unique commit by 1 author.

Apr 09, 2011
Josh Dereference symlink for sshuttle launch script 123a8e2
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  1. 2  sshuttle
2  sshuttle
... ...
@@ -1,5 +1,7 @@
1 1
 #!/bin/sh
2 2
 DIR=$(dirname "$0")
  3
+DIR="$(dirname ${DIR}/$(readlink -n $0))"
  4
+DIR="$(cd $DIR;pwd)"
3 5
 if python2 -V 2>/dev/null; then
4 6
 	exec python2 "$DIR/main.py" python2 "$@"
5 7
 else
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