Mercurial > hg > aboriginal
view sources/functions.sh @ 449:765d6566fb54
Display tweak. (When the build window is minimized, all it shows is "Building...")
author | Rob Landley <rob@landley.net> |
---|---|
date | Mon, 03 Nov 2008 22:25:16 -0600 |
parents | 59fe5a276991 |
children | ccca664cbac1 |
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# Lots of reusable functions. This file is sourced, not run. # Figure out if we're using the stable or unstable versions of a package. function unstable() { [ ! -z "$(echo ,"$USE_UNSTABLE", | grep ,"$1",)" ] } # Strip the version number off a tarball function cleanup() { [ $? -ne 0 ] && dienow for i in "$@" do unstable "$i" && i="$PACKAGE" echo "cleanup $i" rm -rf "$i" || dienow done } # Give filename.tar.ext minus the version number. function noversion() { echo "$1" | sed -e 's/-*\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\6/' } # Given a filename.tar.ext, return the versino number. function getversion() { echo "$1" | sed -e 's/.*-\(\([0-9\.]\)*\([_-]rc\)*\(-pre\)*\([0-9][a-zA-Z]\)*\)*\(\.tar\..z2*\)$/'"$2"'\1/' } # Give package name, minus file's version number and archive extension. function basename() { noversion $1 | sed 's/\.tar\..z2*$//' } # output the sha1sum of a file function sha1file() { sha1sum "$@" | awk '{print $1}' } # Extract tarball named in $1 and apply all relevant patches into # "$BUILD/sources/$1". Record sha1sum of tarball and patch files in # sha1-for-source.txt. Re-extract if tarball or patches change. function extract() { SRCTREE="${BUILD}/sources" BASENAME="$(basename "$1")" SHA1FILE="$(echo "${SRCTREE}/${BASENAME}/sha1-for-source.txt")" SHA1TAR="$(sha1file "${SRCDIR}/$1")" # Sanity check: don't ever "rm -rf /". Just don't. if [ -z "$BASENAME" ] || [ -z "$SRCTREE" ] then dienow fi # If it's already extracted and up to date (including patches), do nothing. SHALIST=$(cat "$SHA1FILE" 2> /dev/null) if [ ! -z "$SHALIST" ] then for i in "$SHA1TAR" $(sha1file "${SOURCES}/patches/$BASENAME"* 2>/dev/null) do # Is this sha1 in the file? if [ -z "$(echo "$SHALIST" | sed -n "s/$i/$i/p" )" ] then SHALIST=missing break fi # Remove it SHALIST="$(echo "$SHALIST" | sed "s/$i//" )" done # If we matched all the sha1sums, nothing more to do. [ -z "$SHALIST" ] && return 0 fi echo -n "Extracting '${BASENAME}'" # Delete the old tree (if any). Create new empty working directories. rm -rf "${BUILD}/temp" "${SRCTREE}/${BASENAME}" 2>/dev/null mkdir -p "${BUILD}"/{temp,sources} || dienow # Is it a bzip2 or gzip tarball? DECOMPRESS="" [ "$1" != "${1/%\.tar\.bz2/}" ] && DECOMPRESS="j" [ "$1" != "${1/%\.tar\.gz/}" ] && DECOMPRESS="z" cd "${WORK}" && { tar -xv${DECOMPRESS} -f "${SRCDIR}/$1" -C "${BUILD}/temp" || dienow } | dotprogress mv "${BUILD}/temp/"* "${SRCTREE}/${BASENAME}" && rmdir "${BUILD}/temp" && echo "$SHA1TAR" > "$SHA1FILE" [ $? -ne 0 ] && dienow # Apply any patches to this package ls "${SOURCES}/patches/$BASENAME"* 2> /dev/null | sort | while read i do if [ -f "$i" ] then echo "Applying $i" (cd "${SRCTREE}/${BASENAME}" && patch -p1 -i "$i") || dienow sha1file "$i" >> "$SHA1FILE" fi done } function try_checksum() { SUM="$(sha1file "$SRCDIR/$FILENAME" 2>/dev/null)" if [ x"$SUM" == x"$SHA1" ] || [ -z "$SHA1" ] && [ -f "$SRCDIR/$FILENAME" ] then touch "$SRCDIR/$FILENAME" if [ -z "$SHA1" ] then echo "No SHA1 for $FILENAME ($SUM)" else echo "Confirmed $FILENAME" fi [ -z "$EXTRACT_ALL" ] && return 0 extract "$FILENAME" return $? fi return 1 } function try_download() { # Return success if we have a valid copy of the file try_checksum && return 0 # If there's a corrupted file, delete it. In theory it would be nice # to resume downloads, but wget creates "*.1" files instead. rm "$SRCDIR/$FILENAME" 2> /dev/null # If we have another source, try to download file. if [ -n "$1" ] then wget -t 2 -T 20 -O "$SRCDIR/$FILENAME" "$1" || return 2 fi try_checksum } # Confirm a file matches sha1sum, else try to download it from mirror list. function download() { FILENAME=`echo "$URL" | sed 's .*/ '` ALTFILENAME=alt-"$(noversion "$FILENAME" -0)" # Is there an unstable version to download, and is it selected? if [ ! -z "$UNSTABLE" ] && unstable "$(basename "$FILENAME")" then # Keep old version around, if present. touch -c "$SRCDIR/$FILENAME" 2>/dev/null # Download new one as alt-packagename.tar.ext FILENAME="$ALTFILENAME" SHA1= try_download "$UNSTABLE" return $? fi # If environment variable specifies a preferred mirror, try that first. if [ ! -z "$PREFERRED_MIRROR" ] then try_download "$PREFERRED_MIRROR/$FILENAME" && return 0 fi # Try standard locations for i in "$URL" http://impactlinux.com/firmware/mirror/"$FILENAME" \ http://landley.net/code/firmware/mirror/"$FILENAME" do try_download "$i" && return 0 done # Return failure. echo "Could not download $FILENAME" echo -en "\e[0m" return 1 } # Clean obsolete files out of the source directory START_TIME=`date +%s` function cleanup_oldfiles() { for i in "${SRCDIR}"/* do if [ -f "$i" ] && [ "$(date +%s -r "$i")" -lt "${START_TIME}" ] then echo Removing old file "$i" rm -rf "$i" fi done } # An exit function that works properly even from a subshell. function actually_dienow() { echo -e "\e[31mExiting due to errors\e[0m" exit 1 } trap actually_dienow SIGUSR1 TOPSHELL=$$ function dienow() { kill -USR1 $TOPSHELL exit 1 } # Turn a bunch of output lines into a much quieter series of periods. function dotprogress() { x=0 while read i do x=$[$x + 1] if [[ "$x" -eq 25 ]] then x=0 echo -n . fi done echo } # Extract package $1, use out-of-tree build directory $2 (or $1 if no $2) # Use link directory $3 (or $1 if no $3) function setupfor() { export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.setupfor" # Figure out whether we're using an unstable package. PACKAGE="$1" unstable "$PACKAGE" && PACKAGE=alt-"$PACKAGE" # Make sure the source is already extracted and up-to-date. cd "${SRCDIR}" && extract "${PACKAGE}-"*.tar* || exit 1 # Set CURSRC CURSRC="$PACKAGE" if [ ! -z "$3" ] then CURSRC="$3" unstable "$CURSRC" && CURSRC=alt-"$CURSRC" fi export CURSRC="${WORK}/${CURSRC}" # Announce package, with easy-to-grep-for "===" marker. echo "=== Building $PACKAGE ($ARCH_NAME)" echo "Snapshot '$PACKAGE'..." cd "${WORK}" || dienow if [ $# -lt 3 ] then rm -rf "${CURSRC}" || dienow fi mkdir -p "${CURSRC}" && cp -lfR "${SRCTREE}/$PACKAGE/"* "${CURSRC}" [ $? -ne 0 ] && dienow # Do we have a separate working directory? if [ -z "$2" ] then cd "$PACKAGE"* || dienow else mkdir -p "$2" && cd "$2" || dienow fi export WRAPPY_LOGPATH="$WRAPPY_LOGDIR/cmdlines.${STAGE_NAME}.$1" # Change window title bar to package now echo -en "\033]2;$ARCH_NAME $STAGE_NAME $PACKAGE\007" } # usage: wait4background 0 function wait4background() { # Wait for background tasks to finish while [ $(jobs | wc -l) -gt $1 ] do sleep 1 # Without this next line, bash never notices a change in the number of jobs. # Bug noticed in Ubuntu 7.04 jobs > /dev/null done }