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Implemented absolute paths for sources.list and sources.md5 #65

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Oct 30, 2021
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Implemented absolute paths for sources.list and sources.md5 #65

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33 changes: 23 additions & 10 deletions download_sources.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -4,30 +4,43 @@
# This particular script is dual-licensed between BSD 2-Clause
# or GPL3, at your preference.
# n() function taken from otto-pkg's posix-alt.shi lib.

# realpath() function taken from Pindorama/Copacabana version
# of this script.
# USAGE: ./download_sources.sh sources.list sources.md5

MD5CHECK=${MD5CHECK:-YES};
SRCDIR=${SRCDIR:-src}

# Workaround to the # macro in arrays
# which doesn't work properly in bash 4.3 for some reason.
n(){
echo ${@} | tr " " "\n" | wc -l;
}

realpath(){
file_basename=`basename $1`
file_dirname=`dirname $1`
# get the absolute directory name
# example: ./sources.txt -> /usr/src/copacabana-repo/sources.txt
echo "`cd "${file_dirname}"; pwd`/${file_basename}"
}


main(){
PARENTDIR=${PWD};
test ! -e src && mkdir src;
urls=( `cat ${1} | tr "\n" " "` );
sources_file="`realpath ${1}`"
test -n "${2}" && md5sum_file="`realpath ${2}`"
test ! -e "${SRCDIR}" && mkdir "${SRCDIR}";
urls=( `cat ${sources_file} | tr "\n" " "` );
n_urls=`n ${urls[*]}`;
cd src;
cd "${SRCDIR}";
for (( i=0; i < ${n_urls}; i++ )){
printf '%s\n' "Downloading $(basename ${urls[${i}]})";
curl -L ${urls[${i}]} -O;
printf 'Downloading %s\n' "$(basename ${urls[${i}]})";
curl -L "${urls[${i}]}" -O;
}
[ ${MD5CHECK} == 'YES' ] &&
md5sum -c ${PARENTDIR}/${2};
cd ${PARENTDIR};
if `echo ${MD5CHECK} | grep -i '^y' &>/dev/null`; then
md5sum -c "${md5sum_file}" \
&& cd "${OLDPWD}";
fi
return 0;
}

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