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xbps-src: implement a by_sha256 hash cache

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jbu 2015-07-03 18:30:34 +02:00
parent 8366f4892a
commit b30cbd9870
3 changed files with 51 additions and 7 deletions
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40
common/hooks/do-fetch/00-distfiles.sh
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@ -2,22 +2,29 @@
# the $distfiles variable and then verifies its sha256 checksum comparing
# its value with the one stored in the $checksum variable.
verify_cksum() {
local curfile="$1" distfile="$2" dfcount="$3" filesum ckcount cksum found i
# Get the checksum for $curfile at index $dfcount
get_cksum() {
local curfile="$1" dfcount="$2" ckcount cksum i
ckcount=0
cksum=0
for i in ${checksum}; do
if [ $dfcount -eq $ckcount -a -n "$i" ]; then
cksum=$i
found=yes
break
fi
ckcount=$(($ckcount + 1))
ckcount=$((ckcount + 1))
done
if [ -z $found ]; then
if [ -z "$cksum" ]; then
msg_error "$pkgver: cannot find checksum for $curfile.\n"
fi
echo "$cksum"
}
# Verify the checksum for $curfile stored at $distfile and index $dfcount
verify_cksum() {
local curfile="$1" distfile="$2" dfcount="$3" filesum cksum
cksum=$(get_cksum $curfile $dfcount)
msg_normal "$pkgver: verifying checksum for distfile '$curfile'... "
filesum=$(${XBPS_DIGEST_CMD} $distfile)
if [ "$cksum" != "$filesum" ]; then
@ -25,10 +32,25 @@ verify_cksum() {
msg_red "SHA256 mismatch for '$curfile:'\n$filesum\n"
errors=$(($errors + 1))
else
if [ ! -f "$XBPS_SRCDISTDIR/by_sha256/$cksum" ]; then
mkdir -p "$XBPS_SRCDISTDIR/by_sha256"
ln -f "$distfile" "$XBPS_SRCDISTDIR/by_sha256/${cksum}_${curfile}"
fi
msg_normal_append "OK.\n"
fi
}
# Link an existing cksum $distfile for $curfile at index $dfcount
link_cksum() {
local curfile="$1" distfile="$2" dfcount="$3" filesum cksum
cksum=$(get_cksum $curfile $dfcount)
if [ -n "$cksum" -a -f "$XBPS_SRCDISTDIR/by_sha256/${cksum}_${curfile}" ]; then
ln -f "$XBPS_SRCDISTDIR/by_sha256/${cksum}_${curfile}" "$distfile"
msg_normal "$pkgver: using known distfile $curfile.\n"
fi
}
hook() {
local srcdir="$XBPS_SRCDISTDIR/$pkgname-$version"
local dfcount=0 errors=0
@ -53,7 +75,11 @@ hook() {
[ $? -eq 0 ] && break
msg_warn "$pkgver: ${curfile} is being already downloaded, waiting for 1s ...\n"
done
# If distfile does not exist download it.
# If distfile does not exist, try to link to it.
if [ ! -f "$distfile" ]; then
link_cksum $curfile $distfile $dfcount
fi
# If distfile does not exist, download it.
if [ ! -f "$distfile" ]; then
msg_normal "$pkgver: fetching distfile '$curfile'...\n"
flock "${distfile}.part" $XBPS_FETCH_CMD "$f"