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|
#!/usr/bin/env bash
url2murl() {
local x
x=$1
x=${x//'^'/'^5E'}
x=${x//':'/'^3A'}
x=${x//'%'/'^25'}
printf '%s' "$x"
}
main() {
set -euE -o pipefail
shopt -s nullglob
echo '# Pass 1'
declare -A rewrite
rewrite[200109261739]=200303310700
while read -r snap name date time size; do
dirpart="${name%/*}"
filepart="${name##*/}"
datetime="${date//-/}${time//:/}"
datetime="${rewrite[$datetime]:-$datetime}"
filedir=dat/pools/files/"${datetime}-${name//\//_}"
snapdir=dat/pools/snaps/"${snap}-${dirpart//\//_}"
if [[ -d "${filedir/.OLD/}" ]]; then
filedir="${filedir/.OLD/}"
fi
mkdir -p -- "$filedir" "$snapdir"
ln -sr "$filedir/$filepart" "$snapdir"
done < "$1"
echo '# Pass 1.5'
# Looking at the data, there are 3 revisions that we DON'T
# have directory listings for. So we need to synthesize
# those.
#
# I created the list of listings to synthesize by not
# synthesizing anything, then looking for files ending in
# ".1". They are created during pass 2 if we have a file with
# no matching listing.
while read -r datetime dirpart newfiles; do
# We need to figure out which files to put in the
# directory listing. We're going to do that by
# mimicking the previous listing with that dirpart.
prevsnap=''
for isnap in dat/pools/snaps/*-"${dirpart//\//_}"; do
isnap=${isnap##*/}
if [[ "${isnap%%-*}" -lt "${datetime}00" ]]; then
prevsnap=$isnap
fi
done
if [[ -z "$prevsnap" ]]; then
>& printf 'Could not find listing of %s before %s\n' "$dirpart" "$datetime"
false
fi
# Ok, now copy that snapshot
snapdir=dat/pools/snaps/"${datetime}99-${dirpart//\//_}"
cp -aT dat/pools/snaps/"$prevsnap" "$snapdir"
# And touch file files we need to change
for filepart in $newfiles; do
name="$dirpart/$filepart"
filedir=dat/pools/files/"${datetime}-${name//\//_}"
mkdir -p -- "$filedir"
rm -- "$snapdir/$filepart"
ln -sr "$filedir/$filepart" "$snapdir"
done
done < <(printf '%s\n' \
'200307291500 ALPHA/CVTUTF-1-1 ExpectedOutput.txt readme.txt' \
)
echo '# Pass 2'
while read -r time url; do
name="${url##*/Public/}"
dirpart="${name%/*}"
filepart="${name##*/}"
if [[ -z "$filepart" ]]; then
continue
fi
pools=(dat/pools/files/*-"${name//\//_}")
if [[ "$name" = *.OLD* ]]; then
pname="${name//\//_}"
pools+=(dat/pools/files/*-"${pname/.OLD/}")
readarray -t pools < <(printf '%s\n' "${pools[@]}" | sort)
fi
pools=("${pools[@]##*/}")
mypool=''
for pool in "${pools[@]}"; do
pooltime="${pool%%-*}"
if [[ "${pooltime}00" -le "$time" ]]; then
mypool=$pool
fi
done
if [[ -z "$mypool" ]]; then
>&2 printf 'Could not find pool for %s %s\n' "$time" "$url"
false
fi
file="dat/content-file/$time/$(url2murl $url)"
declare -i i=0
while true; do
link="dat/pools/files/$mypool/$filepart.$i"
link="${link%.0}"
a="$(readlink -f "$link")" || true
b="$(readlink -f "$file")"
if cmp -s -- "$a" "$b"; then
break
fi
if ln -sr "$b" "$link"; then
break
fi
i+=1
done
done < "$2"
echo '# Pass 3'
while read -r missing; do
if [[ -f "${missing/.OLD}/${missing##*_}" ]]; then
ln -sr "${missing/.OLD}/${missing##*_}" "$missing"
fi
done < <(find dat/pools/files/*-PROGRAMS_CVTUTF.OLD_* -type d -empty)
}
main "$@"
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