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* [PR PATCH] xbps-src: clean up fetch hook and allow mirroring
@ 2022-08-06  2:57 Duncaen
  2022-08-07 17:52 ` [Draft] " CameronNemo
                   ` (4 more replies)
  0 siblings, 5 replies; 6+ messages in thread
From: Duncaen @ 2022-08-06  2:57 UTC (permalink / raw)
  To: ml

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There is a new pull request by Duncaen against master on the void-packages repository

https://github.com/Duncaen/void-packages distfiles-mirror
https://github.com/void-linux/void-packages/pull/38494

xbps-src: clean up fetch hook and allow mirroring
As an alternative to https://github.com/void-linux/void-packages/pull/38438

Allow mirroring by having multiple distfiles for the same target file name, either by url or by ">filename".

A patch file from https://github.com/void-linux/void-packages/pull/38494.patch is attached

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From 463356e4cd1f76d6396c9f6bfdb9f150155d7fad Mon Sep 17 00:00:00 2001
From: Duncaen <duncaen@voidlinux.org>
Date: Sat, 6 Aug 2022 04:54:05 +0200
Subject: [PATCH] xbps-src: clean up fetch hook and allow mirroring

---
 common/environment/build-style/R-cran.sh |   3 +-
 common/hooks/do-fetch/00-distfiles.sh    | 201 ++++++++++++-----------
 srcpkgs/R-cran-pillar/template           |   3 +-
 3 files changed, 110 insertions(+), 97 deletions(-)

diff --git a/common/environment/build-style/R-cran.sh b/common/environment/build-style/R-cran.sh
index ded66793396b..905c3b9dc0c7 100644
--- a/common/environment/build-style/R-cran.sh
+++ b/common/environment/build-style/R-cran.sh
@@ -4,5 +4,6 @@ wrksrc="${XBPS_BUILDDIR}/${pkgname#R-cran-}"
 
 # default to cran
 if [ -z "$distfiles" ]; then
-	distfiles="https://cran.r-project.org/src/contrib/${pkgname#R-cran-}_${version//r/-}.tar.gz"
+	distfiles="https://cran.r-project.org/src/contrib/${pkgname#R-cran-}_${version//r/-}.tar.gz
+	 https://cran.r-project.org/src/contrib/Archive/${pkgname#R-cran-}/${pkgname#R-cran-}_${version//r/-}.tar.gz"
 fi
diff --git a/common/hooks/do-fetch/00-distfiles.sh b/common/hooks/do-fetch/00-distfiles.sh
index e2bf54378fe0..5fa394c9c790 100644
--- a/common/hooks/do-fetch/00-distfiles.sh
+++ b/common/hooks/do-fetch/00-distfiles.sh
@@ -2,24 +2,6 @@
 # the $distfiles variable and then verifies its sha256 checksum comparing
 # its value with the one stored in the $checksum variable.
 
-# 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=$i
-		fi
-		ckcount=$((ckcount + 1))
-	done
-	if [ -z "$cksum" ]; then
-		msg_error "$pkgver: cannot find checksum for $curfile.\n"
-	fi
-	echo "$cksum"
-}
-
 # Return the checksum of the contents of a tarball
 contents_cksum() {
 	local curfile="$1" cursufx cksum
@@ -110,9 +92,7 @@ contents_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)
+	local curfile="$1" distfile="$2" cksum="$3" filesum
 
 	# If the checksum starts with an commercial at (@) it is the contents checksum
 	if [ "${cksum:0:1}" = "@" ]; then
@@ -121,7 +101,7 @@ verify_cksum() {
 		filesum=$(contents_cksum "$curfile")
 		if [ "${cksum}" != "$filesum" ]; then
 			echo
-			msg_red "SHA256 mismatch for '$curfile:'\n@$filesum\n"
+			msg_red "SHA256 mismatch for '${curfile}:'\n@${filesum}\n"
 			errors=$((errors + 1))
 		else
 			msg_normal_append "OK.\n"
@@ -131,7 +111,7 @@ verify_cksum() {
 		filesum=$(${XBPS_DIGEST_CMD} "$distfile")
 		if [ "$cksum" != "$filesum" ]; then
 			echo
-			msg_red "SHA256 mismatch for '$curfile:'\n$filesum\n"
+			msg_red "SHA256 mismatch for '${curfile}:'\n${filesum}\n"
 			errors=$((errors + 1))
 		else
 			if [ ! -f "$XBPS_SRCDISTDIR/by_sha256/${cksum}_${curfile}" ]; then
@@ -145,22 +125,20 @@ verify_cksum() {
 
 # 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)
-
+	local curfile="$1" distfile="$2" cksum="$3"
 	if [ -n "$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"
+		return 0
 	fi
+	return 1
 }
 
 try_mirrors() {
-	local curfile="$1" distfile="$2" dfcount="$3" subdir="$4" f="$5"
-	local filesum cksum basefile mirror path scheme
-	[ -z "$XBPS_DISTFILES_MIRROR" ] && return
+	local curfile="$1" distfile="$2" cksum="$3" f="$4"
+	local filesum basefile mirror path scheme good
+	[ -z "$XBPS_DISTFILES_MIRROR" ] && return 1
 	basefile="${f##*/}"
-	cksum=$(get_cksum $curfile $dfcount)
 	for mirror in $XBPS_DISTFILES_MIRROR; do
 		scheme="file"
 		if [[ $mirror == *://* ]]; then
@@ -179,28 +157,80 @@ try_mirrors() {
 		fi
 		if [[ "$mirror" == *voidlinux* ]]; then
 			# For distfiles.voidlinux.* append the subdirectory
-			mirror="$mirror/$subdir"
+			mirror="$mirror/$pkgname-$version"
 		fi
-		msg_normal "$pkgver: fetching distfile '$curfile' from '$mirror'...\n"
+		msg_normal "$pkgver: fetching distfile '$curfile' from mirror '$mirror'...\n"
 		$fetch_cmd "$mirror/$curfile"
 		# If basefile was not found, but a curfile file may exist, try to fetch it
-		if [ ! -f "$distfile" -a "$basefile" != "$curfile" ]; then
-			$fetch_cmd "$mirror/$basefile"
-		fi
+		# if [ ! -f "$distfile" -a "$basefile" != "$curfile" ]; then
+		# 	msg_normal "$pkgver: fetching distfile '$basefile' from mirror '$mirror'...\n"
+		# 	$fetch_cmd "$mirror/$basefile"
+		# fi
 		[ ! -f "$distfile" ] && continue
 		flock -n ${distfile}.part rm -f ${distfile}.part
 		filesum=$(${XBPS_DIGEST_CMD} "$distfile")
-		[ "$cksum" == "$filesum" ] && break
+		if [ "$cksum" == "$filesum" ]; then
+			return 0
+		fi
 		msg_normal "$pkgver: checksum failed - removing '$curfile'...\n"
 		rm -f ${distfile}
 	done
+	return 1
+}
+
+try_urls() {
+	local curfile="$1"
+	local good=
+	for i in ${_file_idxs["$curfile"]}; do
+		local cksum=${_checksums["$i"]}
+		local url=${_distfiles["$i"]}
+
+		# If distfile does not exist, download it from the original location.
+		if [[ "$FTP_RETRIES" && "${url}" =~ ^ftp:// ]]; then
+			max_retries="$FTP_RETRIES"
+		else
+			max_retries=1
+		fi
+		for retry in $(seq 1 1 $max_retries); do
+			if [ ! -f "$distfile" ]; then
+				if [ "$retry" == 1 ]; then
+					msg_normal "$pkgver: fetching distfile '$curfile' from '$url'...\n"
+				else
+					msg_normal "$pkgver: fetch attempt $retry of $max_retries...\n"
+				fi
+				flock "${distfile}.part" $fetch_cmd "$url"
+			fi
+		done
+
+		if [ ! -f "$distfile" ]; then
+			continue
+		fi
+
+		# distfile downloaded, verify sha256 hash.
+		flock -n "${distfile}.part" rm -f "${distfile}.part"
+		verify_cksum "$f" "$distfile" "$cksum"
+		return 0
+	done
+	return 1
 }
 
 hook() {
 	local srcdir="$XBPS_SRCDISTDIR/$pkgname-$version"
 	local dfcount=0 dfgood=0 errors=0 max_retries
 
-	if [ ! -d "$srcdir" ]; then
+	local -a _distfiles=($distfiles)
+	local -a _checksums=($checksum)
+	local -A _file_idxs
+
+	# Create a map from target file to index in _distfiles/_checksums
+	for i in ${!_distfiles[@]}; do
+		f="${_distfiles[$i]}"
+		curfile="${f#*>}"
+		curfile="${curfile##*/}"
+		_file_idxs["$curfile"]+=" $i"
+	done
+
+	if [[ ! -d "$srcdir" ]]; then
 		mkdir -p -m775 "$srcdir"
 		chgrp $(id -g) "$srcdir"
 	fi
@@ -212,87 +242,68 @@ hook() {
 
 	# Detect bsdtar and GNU tar (in that order of preference)
 	TAR_CMD="$(command -v bsdtar)"
-	if [ -z "$TAR_CMD" ]; then
+	if [[ -z "$TAR_CMD" ]]; then
 		TAR_CMD="$(command -v tar)"
 	fi
 
 	# Detect distfiles with obsolete checksum and purge them from the cache
-	for f in ${distfiles}; do
-		curfile="${f#*>}"
-		curfile="${curfile##*/}"
-		distfile="$srcdir/$curfile"
-
-		if [ -f "$distfile" ]; then
-			cksum=$(get_cksum $curfile $dfcount)
-			if [ "${cksum:0:1}" = "@" ]; then
-				cksum=${cksum:1}
-				filesum=$(contents_cksum "$distfile")
-			else
-				filesum=$(${XBPS_DIGEST_CMD} "$distfile")
-			fi
-			if [ "$cksum" = "$filesum" ]; then
-				dfgood=$((dfgood + 1))
-			else
-				inode=$(stat "$distfile" --printf "%i")
-				msg_warn "$pkgver: wrong checksum found for ${curfile} - purging\n"
-				find ${XBPS_SRCDISTDIR} -inum ${inode} -delete -print
+	for f in ${!_file_idxs[@]}; do
+		distfile="$srcdir/$f"
+		for i in ${_file_idxs["$f"]}; do
+			if [[ -f $distfile ]]; then
+				cksum=${_checksums["$i"]}
+				if [[ ${cksum:0:1} = @ ]]; then
+					cksum=${cksum:1}
+					filesum=$(contents_cksum "$distfile")
+				else
+					filesum=$(${XBPS_DIGEST_CMD} "$distfile")
+				fi
+				if [[ $cksum = $filesum ]]; then
+					dfgood=$((dfgood + 1))
+				else
+					inode=$(stat "$distfile" --printf "%i")
+					msg_warn "$pkgver: wrong checksum found for ${curfile} - purging\n"
+					find ${XBPS_SRCDISTDIR} -inum ${inode} -delete -print
+				fi
 			fi
-		fi
-		dfcount=$((dfcount + 1))
+			dfcount=$((dfcount + 1))
+		done
 	done
 
 	# We're done, if all distfiles were found and had good checksums
-	[ $dfcount -eq $dfgood ] && return
+	[[ $dfcount -eq $dfgood ]] && return
 
 	# Download missing distfiles and verify their checksums
-	dfcount=0
-	for f in ${distfiles}; do
-		curfile="${f#*>}"
-		curfile="${curfile##*/}"
+	for curfile in ${!_file_idxs[@]}; do
 		distfile="$srcdir/$curfile"
 
 		# If file lock cannot be acquired wait until it's available.
-		while true; do
-			flock -w 1 ${distfile}.part true
-			[ $? -eq 0 ] && break
+		while ! flock -w 1 "${distfile}.part" true; do
 			msg_warn "$pkgver: ${curfile} is already being downloaded, waiting for 1s ...\n"
 		done
+
+		if [[ -f "$distfile" ]]; then
+			continue
+		fi
+
 		# If distfile does not exist, try to link to it.
-		if [ ! -f "$distfile" ]; then
-			link_cksum $curfile $distfile $dfcount
+		if link_cksum "$curfile" "$distfile" "${_checksums[0]}"; then
+			continue
 		fi
+
 		# If distfile does not exist, download it from a mirror location.
-		if [ ! -f "$distfile" ]; then
-			try_mirrors $curfile $distfile $dfcount $pkgname-$version $f
-		fi
-		# If distfile does not exist, download it from the original location.
-		if [[ "$FTP_RETRIES" && "${f}" =~ ^ftp:// ]]; then
-			max_retries="$FTP_RETRIES"
-		else
-			max_retries=1
+		if try_mirrors "$curfile" "$distfile" "${_checksums[0]}" "${_distfiles[0]}"; then
+			continue
 		fi
-		for retry in $(seq 1 1 $max_retries); do
-			if [ ! -f "$distfile" ]; then
-				if [ "$retry" == 1 ]; then
-					msg_normal "$pkgver: fetching distfile '$curfile'...\n"
-				else
-					msg_normal "$pkgver: fetch attempt $retry of $max_retries...\n"
-				fi
-				flock "${distfile}.part" $fetch_cmd "$f"
-			fi
-		done
-		if [ ! -f "$distfile" ]; then
-			msg_error "$pkgver: failed to fetch $curfile.\n"
+
+		if ! try_urls "$curfile"; then
+			msg_error "$pkgver: failed to fetch '$curfile'.\n"
 		fi
-		# distfile downloaded, verify sha256 hash.
-		flock -n ${distfile}.part rm -f ${distfile}.part
-		verify_cksum $curfile $distfile $dfcount
-		dfcount=$((dfcount + 1))
 	done
 
 	unset TAR_CMD
 
-	if [ $errors -gt 0 ]; then
+	if [[ $errors -gt 0 ]]; then
 		msg_error "$pkgver: couldn't verify distfiles, exiting...\n"
 	fi
 }
diff --git a/srcpkgs/R-cran-pillar/template b/srcpkgs/R-cran-pillar/template
index e041a7a7c4b9..d8d381b8e4ac 100644
--- a/srcpkgs/R-cran-pillar/template
+++ b/srcpkgs/R-cran-pillar/template
@@ -11,4 +11,5 @@ short_desc="Coloured Formatting for Columns"
 maintainer="Florian Wagner <florian@wagner-flo.net>"
 license="GPL-3.0-or-later"
 homepage="https://github.com/r-lib/pillar/"
-checksum=0ce5d15364dab761dab5b159ec2a4586ed1635f058fa13975725a1921e43e672
+checksum="0ce5d15364dab761dab5b159ec2a4586ed1635f058fa13975725a1921e43e672
+ 0ce5d15364dab761dab5b159ec2a4586ed1635f058fa13975725a1921e43e672"

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-10-01 21:29 UTC | newest]

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-- links below jump to the message on this page --
2022-08-06  2:57 [PR PATCH] xbps-src: clean up fetch hook and allow mirroring Duncaen
2022-08-07 17:52 ` [Draft] " CameronNemo
2022-08-07 18:09 ` Duncaen
2022-08-07 18:10 ` Duncaen
2022-09-06  2:34 ` CameronNemo
2022-10-01 21:29 ` [PR PATCH] [Closed]: " Duncaen

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