Implement XBPS_DISTFILES_MIRROR (second try)
The idea is to remove some burden from the original download locations for distfiles by specifying one or more mirror locations. + Works with http:// or ftp:// mirrors for all $XBPS_CHROOT_CMD variants + Works with file:// mirrors together with uchroot and proot
This commit is contained in:
Jürgen Buchmüller
parent
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21
README.md
21
README.md
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@ -74,6 +74,27 @@ To enable it:
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$ cd void-packages
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$ echo XBPS_CHROOT_CMD=proot >> etc/conf
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### Distfiles mirror(s)
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In etc/conf you may optionally define a mirror or a list of mirrors to search for distfiles.
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$ echo 'XBPS_DISTFILES_MIRROR="ftp://192.168.100.5/gentoo/distfiles"' >> etc/conf
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If more than one mirror is to be searched, you can either specify multiple URLs separated
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with blanks, or add to the variable like this
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$ echo 'XBPS_DISTFILES_MIRROR+=" http://repo.voidlinux.de/distfiles"' >> etc/conf
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Make sure to put the blank after the first double quote in this case.
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The mirrors are searched in order for the distfiles to build a package until the
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checksum of the downloaded file matches the one specified in the template.
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Ultimately, if no mirror carries the distfile, or in case all downloads failed the
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checksum verification, the original download location is used.
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If you use `proot` or `uchroot` for your XBPS_CHROOT_CMD, you may also specify a local path
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using the `file://` prefix or simply an absolute path on your build host (e.g. /mnt/distfiles).
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Mirror locations specified this way are bind mounted inside the chroot environment
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under $XBPS_MASTERDIR and searched for distfiles just the same as remote locations.
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### Quick setup in Void
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Clone the `void-packages` git repository, install the bootstrap packages:
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@ -51,6 +51,47 @@ link_cksum() {
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fi
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}
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try_mirrors() {
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local curfile="$1" distfile="$2" dfcount="$3" subdir="$4" f="$5"
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local filesum cksum basefile mirror path scheme
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[ -z "$XBPS_DISTFILES_MIRROR" ] && return
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basefile="$(basename $f)"
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cksum=$(get_cksum $curfile $dfcount)
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for mirror in $XBPS_DISTFILES_MIRROR; do
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scheme="file"
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if [[ $mirror == *://* ]]; then
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scheme="${mirror%%:/*}"
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path="${mirror#${scheme}://}"
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else
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path="$mirror"
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fi
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if [ "$scheme" == "file" ]; then
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# Skip file:// mirror locations (/some/where or file:///some/where)
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# where the specified directory does not exist
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if [ ! -d "$path" ]; then
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msg_warn "$pkgver: mount point $path does not exist...\n"
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continue
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fi
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fi
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if [[ "$mirror" == *voidlinux* ]]; then
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# For distfiles.voidlinux.* append the subdirectory
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mirror="$mirror/$subdir"
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fi
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msg_normal "$pkgver: fetching distfile '$curfile' from '$mirror'...\n"
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$XBPS_FETCH_CMD "$mirror/$basefile"
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# If basefile was not found, but a curfile file may exist, try to fetch it
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if [ ! -f "$distfile" -a "$basefile" != "$curfile" ]; then
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$XBPS_FETCH_CMD "$mirror/$curfile"
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fi
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[ ! -f "$distfile" ] && continue
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flock -n ${distfile}.part rm -f ${distfile}.part
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filesum=$(${XBPS_DIGEST_CMD} "$distfile")
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[ "$cksum" == "$filesum" ] && break
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msg_normal "$pkgver: checksum failed - removing '$curfile'...\n"
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rm -f ${distfile}
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done
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}
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hook() {
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local srcdir="$XBPS_SRCDISTDIR/$pkgname-$version"
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local dfcount=0 errors=0
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@ -79,14 +120,18 @@ hook() {
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if [ ! -f "$distfile" ]; then
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link_cksum $curfile $distfile $dfcount
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fi
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# If distfile does not exist, download it.
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# If distfile does not exist, download it from a mirror location.
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if [ ! -f "$distfile" ]; then
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try_mirrors $curfile $distfile $dfcount $pkgname-$version $f
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fi
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# If distfile does not exist, download it from the original location.
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if [ ! -f "$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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fi
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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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31
xbps-src
31
xbps-src
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@ -351,6 +351,32 @@ read_pkg() {
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setup_pkg $XBPS_TARGET_PKG $XBPS_CROSS_BUILD
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}
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setup_distfiles_mirror() {
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local mirror scheme path
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# Scheme file:// mirror locations only work with uchroot or proot
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for mirror in $XBPS_DISTFILES_MIRROR; do
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scheme="file"
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if [[ "$mirror" == *://* ]]; then
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scheme="${mirror%%://*}"
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path="${mirror#${scheme}://}"
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else
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path="$mirror"
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fi
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[ "$scheme" != "file" ] && continue
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if [ "$XBPS_CHROOT_CMD" == "uchroot" -o "$XBPS_CHROOT_CMD" == "proot" ]; then
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if [ ! -d "$path" ]; then
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msg_warn "Invalid path in XBPS_DISTFILES_MIRROR ($mirror)\n"
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continue
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fi
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mkdir -p "$XBPS_MASTERDIR/$path"
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XBPS_CHROOT_CMD_ARGS+=" -b $path:$path"
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else
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msg_warn "File URLs ($mirror) don't work with '$XBPS_CHROOT_CMD'\n"
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fi
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done
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}
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readonly XBPS_VERSION_REQ="0.46"
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readonly XBPS_VERSION=$(xbps-uhelper -V|awk '{print $2}')
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readonly XBPS_SRC_VERSION="113"
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@ -516,7 +542,7 @@ export XBPS_SHUTILSDIR XBPS_CROSSPFDIR XBPS_TRIGGERSDIR \
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XBPS_SKIP_REMOTEREPOS XBPS_CROSS_BUILD XBPS_PKG_OPTIONS \
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XBPS_CONFIG_FILE XBPS_KEEP_ALL XBPS_HOSTDIR XBPS_MASTERDIR \
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XBPS_SRC_VERSION XBPS_DESTDIR XBPS_MACHINE XBPS_TEMP_MASTERDIR \
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XBPS_BINPKG_EXISTS XBPS_LIBEXECDIR XBPS_DISTDIR
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XBPS_BINPKG_EXISTS XBPS_LIBEXECDIR XBPS_DISTDIR XBPS_DISTFILES_MIRROR
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for i in REPOSITORY DESTDIR BUILDDIR SRCDISTDIR; do
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eval val="\$XBPS_$i"
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@ -571,6 +597,9 @@ check_build_requirements
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if [ -z "$IN_CHROOT" ]; then
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trap 'exit_func' INT TERM
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if [ -n "$XBPS_DISTFILES_MIRROR" ]; then
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setup_distfiles_mirror
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fi
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fi
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#
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