1#!/bin/echo run this from "make root" 2 3# Plumbing to download files 4 5[ -z "$ROOT" ] && echo "no" && exit 1 6mkdir -p "${DOWNLOAD:=$PWD/root_download}" || exit 1 7 8### Functions to download, extract, and clean up after source packages. 9 10# Usage: download HASH URL 11# Grabs source from URL confirming SHA1 hash (Basically "wget $2") 12# If extracted source is in $DOWNLOAD (no version) build will use that instead 13download() { 14 local FILE="$(basename "$2")" WGET=wget 15 [ -d "$DOWNLOAD/${FILE/-*/}" ] && echo "$FILE" local && return 0 16 X=0; while true; do 17 [ "$(sha1sum < "$DOWNLOAD/$FILE" 2>/dev/null)" == "$1 -" ] && 18 echo "$FILE" confirmed && break 19 rm -f $DOWNLOAD/${FILE/-[0-9]*/}-[0-9]* || exit 1 20 [ $X -eq 0 ] && X=1 || [ $X -eq 1 ] && X=2 WGET=/usr/bin/wget || exit 1 21 $WGET "$2" -O "$DOWNLOAD/$FILE" 22 done 23} 24 25# Usage: setupfor PACKAGE 26# Extracts source tarball (or snapshot a repo) to create disposable build dir. 27# Basically "tar -xvz -C $TEMP -f $DOWNLOAD/$1.tar.gz && cd $NEWDIR" 28setupfor() { 29 PACKAGE="$(basename "$1")" 30 announce "$PACKAGE" && cd "$TEMP" && rm -rf "$PACKAGE" || exit 1 31 if [ -d "$DOWNLOAD/$PACKAGE" ]; then 32 cp -la "$DOWNLOAD/$PACKAGE/." "$PACKAGE" && cd "$PACKAGE" || exit 1 33 else 34 local DIR=$(mktemp -dp.) 35 tar xvafC "$DOWNLOAD/$PACKAGE"-*.t* "$DIR" && 36 mv "$DIR"/* "$PACKAGE" && rmdir "$DIR" && cd "$PACKAGE" || exit 1 37 fi 38} 39 40# Usage: cleanup 41# Delete setupfor's dir, exiting if build failed (basically "rm -rf $PACKAGE") 42cleanup() { 43 [ $? -ne 0 ] && exit 1 44 [ -z "$PACKAGE" ] && exit 1 45 [ ! -z "$NO_CLEANUP" ] && return 46 cd .. && rm -rf "$PACKAGE"* || exit 1 47} 48