#!/bin/sh
# soft2hard.sh by Ryan Helinski
# Replace a soft (symbolic) link with a hard one.
# http://ryans-bliggity-blog.blogspot.com/2006/10/convert-soft-links-to-hard-links.html
#
# $1 is name of soft link
# Returns 0 on success, 1 otherwise
#
# Example: To replace all the soft links in a particular directory:
# find ./ -type l | tr \\n \\0 | xargs -0 -n 1 soft2hard.sh
#
# finds all files under ./ of type link (l), replaces (tr) the newline
# characters with null characters and then pipes each filename one-by-one
# to soft2hard.sh
# Check that link exists
ls "$1" > /dev/null
if test $? -eq 0
then
    echo -n "File found. "
else
    echo "Error: File not found."
    exit 1
fi
linktarget=`find "$1" -printf "%l\0"`
linktargettype=`stat --format=%F "$linktarget"`
# Check that link target exists
if test -z "$linktarget"
then
    echo "Error: Null link target, not a soft link."
    exit 1
else
    echo -n "Found soft link. "
fi
# Check that link target is NOT a directory
if test "$linktargettype" = "directory"
then
    echo "Link to directory, skipping."
    exit 0
else
    echo "Not a directory."
fi
# Remove soft link
echo -n "Unlinking $1... "
unlink "$1"
if test $? -eq 0
then
    echo "Done."
else
    echo "Error!"
    exit 1
fi
# Replace with hard link
echo "Creating hard link from $1"
echo -n " to $linktarget... "
ln "$linktarget" "$1"
if test $? -eq 0
then
    echo "Done."
else
    echo "Error creating hard link, replacing soft link"
    ln -s "$linktarget" "$1"
    exit 1
fi
exit 0