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sync-to-repo.sh
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Thu, Oct 31, 20:39

sync-to-repo.sh
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#!/bin/sh
# sync windows installers to repository
# function to selectively remove older packages
# and make a symlink to the latest version
prune_exe () {
bit=$1
ref=$(date +%s)
old=999999999
for exe in ${bit}/lammps-${bit}-20[0-9][0-9]*.exe
do \
[ -f ${exe} ] || continue
# re-set symbolic link to latest entry
p=$(echo ${exe} | sed -e 's@^\(.*/\)\(lammps-.*\)\(20[0-9][0-9]\+\)\(\.exe\)$@\1@')
r=$(echo ${exe} | sed -e 's@^\(.*/\)\(lammps-.*\)\(20[0-9][0-9]\+\)\(\.exe\)$@\2@')
t=$(echo ${exe} | sed -e 's@^\(.*/\)\(lammps-.*\)\(20[0-9][0-9]\+\)\(\.exe\)$@\3@')
e=$(echo ${exe} | sed -e 's@^\(.*/\)\(lammps-.*\)\(20[0-9][0-9]\+\)\(\.exe\)$@\4@')
# compute age difference in days
y=$(echo ${t} | cut -c 1-4)
m=$(echo ${t} | cut -c 5-6)
d=$(echo ${t} | cut -c 7-8)
s=$(date +%s -d "${m}/${d}/${y}")
age=$(expr \( $ref - $s \) / 86400)
if [ $age -lt $old ]
then
old=$age
sym="${r}${t}${e}"
sto="${p}${r}latest${e}"
fi
# NOTE: to simplify the math, for the following we
# define one month to have 28 days and a year of
# 12 months to have correspondingly only 336 days.
# after about one year we keep only one per year
unset tmp
if [ $age -gt 336 ]
then
y=$(expr $age / 336)
eval tmp=\$year${y}
if [ -n "$tmp" ]
then
rm -vf ${exe}
else
echo "first in year $y $exe"
fi
eval year${y}=1
fi
# after about three months we keep only one per month
unset tmp
if [ $age -gt 84 ] && [ $age -lt 336 ]
then
m=$(expr $age / 28)
eval tmp=\$month${m}
if [ -n "$tmp" ]
then
rm -vf ${exe}
else
echo "first in month $m $exe"
fi
eval month${m}=1
fi
# after one week we keep only one per week.
unset tmp
if [ $age -gt 7 ] && [ $age -lt 84 ]
then
w=$(expr $age / 7)
eval tmp=\$week${w}
if [ -n "$tmp" ]
then
rm -vf ${exe}
else
echo "first in week $w $exe"
fi
eval week${w}=1
fi
done
rm -f ${sto}
ln -s ${sym} ${sto}
}
if [ -n "${MINGW_REPO_USER}" ] \
&& [ -n "${MINGW_REPO_HOST}" ] \
&& [ -n "${MINGW_REPO_DIR}" ]
then
pushd ${HOME}/mingw-cross
prune_exe 32bit
prune_exe 64bit
rsync -arpv --delete 32bit 64bit \
${MINGW_REPO_USER}@${MINGW_REPO_HOST}:${MINGW_REPO_DIR}/
ssh ${MINGW_REPO_USER}@${MINGW_REPO_HOST} "cd ${MINGW_REPO_DIR}/../; ./mkhtmlindex.sh *"
popd
else
cat <<EOF
Required environment variables to determine the target repository
account, server and location are not fully configured.
MINGW_REPO_USER=${MINGW_REPO_USER}
MINGW_REPO_HOST=${MINGW_REPO_HOST}
MINGW_REPO_DIR=${MINGW_REPO_DIR}
EOF
exit 1
fi

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