manned/util/arch.sh

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#!/bin/sh
# Usage: ./arch.sh
# Synchronises the database with an Arch mirror, fetching any packages that
# aren't yet in the database and may have man pages.
MIRROR=http://ftp.nluug.nl/pub/os/Linux/distr/archlinux
REPOS="core extra community"
DEBUG=false
SYSID=1
. ./common.sh
# Returns 0 if the package is already in the database or if an error occured.
# Otherwise adds the package, sets PKGID to the new ID, and returns 1.
PKGID=
add_pkginfo() { # cat name ver date
RES=`echo "SELECT id FROM package WHERE system = :'sysid' AND name = :'name' AND version = :'ver'"\
| $PSQL -v "sysid=$SYSID" -v "name=$2" -v "ver=$3"`
[ "$?" -ne 0 -o -n "$RES" ] && return 0
RES=`echo "INSERT INTO package (system, category, name, version, released) VALUES(:'sysid',:'cat',:'name',:'ver',:'rel') RETURNING id"\
| $PSQL -v "sysid=$SYSID" -v "cat=$1" -v "name=$2" -v "ver=$3" -v "rel=$4"`
[ "$?" -ne 0 ] && return 0
PKGID=$RES
return 1
}
checkpkg() {
REPO=$1
FN=$2
D="$TMP/$REPO/$FN"
if [ ! \( -d "$D" -a -f "$D/files" -a -f "$D/desc" \) ]; then
echo "===> $FN"
echo "Invalid item, ignoring"
return
fi
grep -q /man/ "$D/files"
if [ "$?" -ne 0 ]; then
$DEBUG && echo "===> $FN"
$DEBUG && echo "No mans"
return
fi
# Somewhat inefficient description parsing
FILENAME=`grep -A 1 '%FILENAME%' "$D/desc" | tail -n 1`
NAME=`grep -A 1 '%NAME%' "$D/desc" | tail -n 1`
VERSION=`grep -A 1 '%VERSION%' "$D/desc" | tail -n 1`
BUILDDATE=`grep -A 1 '%BUILDDATE%' "$D/desc" | tail -n 1`
if [ -z "$FILENAME" -o -z "$NAME" -o -z "$VERSION" -o -z "$BUILDDATE" ]; then
echo "===> $FN"
echo "Invalid/missing description info"
return
fi
BUILDDATE=`date -d "@$BUILDDATE" '+%F'`
add_pkginfo "$REPO" "$NAME" "$VERSION" "$BUILDDATE"
if [ "$?" -eq 0 ]; then
$DEBUG && echo "===> $FN"
$DEBUG && echo "Already up-to-date"
return
fi
echo "===> $FN"
F="$TMP/$REPO/$FILENAME"
$CURL "$MIRROR/$REPO/os/i686/$FILENAME" -o "$F" || return
add_tar "$F" "$PKGID"
rm -f "$F"
}
syncrepo() {
REPO=$1
F="$TMP/$REPO/repo.tar.gz"
echo "============ $MIRROR $REPO"
$CURL "$MIRROR/$REPO/os/i686/$REPO.files.tar.gz" -o "$F" || return 1
tar -C "$TMP/$REPO" -xf "$F" || return 1
rm -f "$F"
for fn in "$TMP/$REPO"/*; do
checkpkg "$REPO" `basename "$fn"`
done
}
for r in $REPOS; do
mkdir "$TMP/$r"
syncrepo $r
rm -rf "$TMP/$r"
done