aae7fd5432
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@722 42af7a65-404d-4744-a932-0658087f49c3
103 lines
3.5 KiB
Bash
Executable File
103 lines
3.5 KiB
Bash
Executable File
#!/bin/bash
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############################################################################
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# tools/winlink.sh
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#
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# Copyright (C) 2008 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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#
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# NuttX uses symbolic links to configure platform-specific directories into
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# the build system. This works great except for when a Windows native
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# toolchain is used in a Cygwin environment. In that case, symbolic
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# links do not work correctly when accessed from the Windows native toolchain;
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# rather, just look link files with the extension .lnk
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#
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# In this environment, the build system will work around this using this script
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# as a replacement for the 'ln' command. This scrpt will simply copy the
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# directory into the expected positiion.
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#
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#set -x
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src=$1
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dest=$2
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# Verify that arguments were provided
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if [ -z "${src}" -o -z "${dest}" ]; then
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echo "Missing src and/or dest arguments"
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exit 1
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fi
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# Check if something already exists at the destination path replace it with
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# the new link (which might be different). Note that we check for the
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# the link (-h) before we check for existence (-e) because a bad link will
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# report that it does not exist.
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if [ -h "${dest}" ]; then
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rm -f "${dest}"
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else
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# If the path exists and is a directory that contains the "fake link"
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# mark, then treat it like a soft link (i.e., remove the directory)
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if [ -d "${dest}" -a -f "${dest}/.fakelnk" ]; then
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rm -rf "${dest}"
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else
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# Does anything exist at the destination path?
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if [ -e "${dest}" ]; then
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# It is something else (like a file) or directory that does
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# not contain the "fake link" mark
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echo "${dest} already exists but is not a symbolic link"
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exit 1
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fi
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fi
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fi
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# Verify that a directory exists at the source path
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if [ ! -d "${src}" ]; then
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echo "No directory at ${src}"
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exit 1
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fi
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# Copy the directory
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cp -a "${src}" "${dest}" || \
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{ echo "Failed to create link: $dest" ; rm -rf ${dest} ; exit 1 ; }
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touch "${dest}/.fakelnk" || \
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{ echo "Failed to touch ${dest}/.fakelnk" ; rm -rf ${dest} ; exit 1 ; }
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