48 lines
1.7 KiB
CMake
48 lines
1.7 KiB
CMake
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# __________ __ ___.
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# Open \______ \ ____ ____ | | _\_ |__ _______ ___
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# Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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# Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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# Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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# \/ \/ \/ \/ \/
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#
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# All files in this archive are subject to the GNU General Public License.
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# See the file COPYING in the source tree root for full license agreement.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# This is a separate cmake script, to be invoked as
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# cmake -P -DURL=<url-to-download> -DOUTDIR=<output-folder>
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# Downloads the file and store it in OUTDIR, using the file basename as output
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# filename.
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# The downloaded file gets its executable flag set.
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function(gettempdir basedir tmpdir)
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# Create a random filename in current directory.
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# Result stored in tmpdir.
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string(RANDOM LENGTH 24 _tmp)
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while(EXISTS "${basedir}/${_tmp}.tmp")
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string(RANDOM LENGTH 24 _tmp)
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endwhile()
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set("${tmpdir}" "${basedir}/${_tmp}.tmp" PARENT_SCOPE)
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endfunction()
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get_filename_component(fname "${URL}" NAME)
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if(EXISTS "${OUTDIR}/${fname}")
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message("-- Found ${fname}")
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else()
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message("-- Downloading ${URL} ...")
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gettempdir(${OUTDIR} tmp)
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# cmake CHOWN is 3.19+, thus download to a temporary folder, then copy.
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file(DOWNLOAD "${URL}" "${tmp}/${fname}")
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file(COPY "${tmp}/${fname}" DESTINATION "${OUTDIR}"
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FILE_PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ)
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file(REMOVE_RECURSE "${tmp}")
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endif()
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