74 lines
2 KiB
Bash
74 lines
2 KiB
Bash
# This hook downloads the distfiles specified in a template by
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# the $distfiles variable and then verifies its sha256 checksum comparing
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# its value with the one stored in the $checksum variable.
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verify_cksum() {
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local curfile="$1" distfile="$2" dfcount="$3" filesum ckcount cksum found i
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ckcount=0
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for i in ${checksum}; do
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if [ $dfcount -eq $ckcount -a -n "$i" ]; then
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cksum=$i
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found=yes
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break
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fi
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ckcount=$(($ckcount + 1))
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done
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if [ -z $found ]; then
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msg_error "$pkgver: cannot find checksum for $curfile.\n"
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fi
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msg_normal "$pkgver: verifying checksum for distfile '$curfile'... "
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filesum=$(${XBPS_DIGEST_CMD} $distfile)
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if [ "$cksum" != "$filesum" ]; then
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echo
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msg_red "SHA256 mismatch for '$curfile:'\n$filesum\n"
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errors=$(($errors + 1))
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else
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msg_normal_append "OK.\n"
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fi
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}
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hook() {
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local srcdir="$XBPS_SRCDISTDIR/$pkgname-$version"
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local dfcount=0 errors=0
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if [ ! -d "$srcdir" ]; then
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mkdir -p -m775 "$srcdir"
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chgrp $(id -g) "$srcdir"
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fi
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cd $srcdir || msg_error "$pkgver: cannot change dir to $srcdir!\n"
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# Disable trap on ERR; the code is smart enough to report errors and abort.
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trap - ERR
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for f in ${distfiles}; do
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curfile=$(basename "${f#*>}")
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distfile="$srcdir/$curfile"
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# If file lock cannot be acquired wait until it's available.
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while true; do
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flock -w 1 ${distfile}.part true
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[ $? -eq 0 ] && break
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msg_warn "$pkgver: ${curfile} is being already downloaded, waiting for 1s ...\n"
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done
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# If distfile does not exist download it.
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if [ ! -f "$distfile" ]; then
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msg_normal "$pkgver: fetching distfile '$curfile'...\n"
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flock "${distfile}.part" $XBPS_FETCH_CMD "$f"
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if [ ! -f "$distfile" ]; then
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msg_error "$pkgver: failed to fetch $curfile.\n"
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fi
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fi
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# distfile downloaded, verify sha256 hash.
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flock -n ${distfile}.part rm -f ${distfile}.part
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verify_cksum $curfile $distfile $dfcount
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dfcount=$(($dfcount + 1))
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done
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if [ $errors -gt 0 ]; then
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msg_error "$pkgver: couldn't verify distfiles, exiting...\n"
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fi
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}
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