41 lines
1.1 KiB
Bash
Executable File
41 lines
1.1 KiB
Bash
Executable File
# transparently fetch external files for a given package
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fetch_potentials() {
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pdir="$1"
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shift
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type curl > /dev/null 2>&1 && have_curl=1 || have_curl=0
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type wget > /dev/null 2>&1 && have_wget=1 || have_wget=0
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if [ $have_curl -ne 1 ] && [ $have_wget -ne 1 ]
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then \
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echo "Need 'curl' or 'wget' to fetch external potential files"
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return
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fi
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while [ $# -gt 1 ]
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do \
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file=$1; sum=$2
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shift; shift
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echo ${sum} ${pdir}/${file} | md5sum -c - > /dev/null 2>&1 \
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&& need_fetch=0 || need_fetch=1
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if [ ${need_fetch} -eq 1 ]
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then \
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url="https://download.lammps.org/potentials/${file}.${sum}"
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echo "Fetching external potential file ${file} from ${url}"
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if [ ${have_curl} ]
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then \
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curl -L -o ${pdir}/${file} ${url}
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elif [ ${have_wget} ]
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then \
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wget -O ${pdir}/${file} ${url}
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fi
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fi
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done
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}
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if [ -f "$1/potentials.txt" ]
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then
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fetch_potentials "$1/../../potentials" `sed -e 's/#.*$//' "$1/potentials.txt"`
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fi
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