void-packages/shutils/fetch_funcs.sh

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#-
# Copyright (c) 2008 Juan Romero Pardines.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#-
#
# Verifies that file's checksum downloaded matches what it's specified
# in template file.
#
verify_sha256_cksum()
{
local file="$1"
local origsum="$2"
[ -z "$file" -o -z "$cksum" ] && return 1
filesum=$(xbps-digest $XBPS_SRCDISTDIR/$file)
if [ "$origsum" != "$filesum" ]; then
msg_error "SHA256 checksum doesn't match for $file."
fi
msg_normal "SHA256 checksum OK for $file."
}
#
# Downloads the distfiles and verifies checksum for all them.
#
fetch_distfiles()
{
local pkg="$1"
local dfiles=
local localurl=
local dfcount=0
local ckcount=0
local f=
[ -z $pkgname ] && exit 1
#
# There's nothing of interest if we are a meta template.
#
[ "$build_style" = "meta-template" ] && return 0
for f in ${distfiles}; do
curfile=$(basename $f)
if [ -f "$XBPS_SRCDISTDIR/$curfile" ]; then
for i in ${checksum}; do
if [ $dfcount -eq $ckcount -a -n $i ]; then
cksum=$i
found=yes
break
fi
ckcount=$(($ckcount + 1))
done
if [ -z $found ]; then
msg_error "cannot find checksum for $curfile."
fi
verify_sha256_cksum $curfile $cksum
if [ $? -eq 0 ]; then
unset cksum found
ckcount=0
dfcount=$(($dfcount + 1))
continue
fi
fi
msg_normal "Fetching distfile: $curfile."
if [ -n "$distfiles" ]; then
localurl="$f"
else
localurl="$url/$curfile"
fi
cd $XBPS_SRCDISTDIR && $fetch_cmd $localurl
if [ $? -ne 0 ]; then
unset localurl
if [ ! -f $XBPS_SRCDISTDIR/$curfile ]; then
msg_error "couldn't fetch $curfile."
else
msg_error "there was an error fetching $curfile."
fi
else
unset localurl
#
# XXX duplicate code.
#
for i in ${checksum}; do
if [ $dfcount -eq $ckcount -a -n $i ]; then
cksum=$i
found=yes
break
fi
ckcount=$(($ckcount + 1))
done
if [ -z $found ]; then
msg_error "cannot find checksum for $curfile."
fi
verify_sha256_cksum $curfile $cksum
if [ $? -eq 0 ]; then
unset cksum found
ckcount=0
fi
fi
dfcount=$(($dfcount + 1))
done
unset cksum found
}