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Diffstat (limited to '')
-rwxr-xr-x | bin/update/make_incremental_update.sh | 318 |
1 files changed, 318 insertions, 0 deletions
diff --git a/bin/update/make_incremental_update.sh b/bin/update/make_incremental_update.sh new file mode 100755 index 000000000..31bddabdb --- /dev/null +++ b/bin/update/make_incremental_update.sh @@ -0,0 +1,318 @@ +#!/usr/bin/env bash +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. + +# +# This tool generates incremental update packages for the update system. +# Author: Darin Fisher +# + +. $(dirname "$0")/common.sh + +# ----------------------------------------------------------------------------- + +print_usage() { + notice "Usage: $(basename $0) [OPTIONS] ARCHIVE FROMDIR TODIR" + notice "" + notice "The differences between FROMDIR and TODIR will be stored in ARCHIVE." + notice "" + notice "Options:" + notice " -h show this help text" + notice " -f clobber this file in the installation" + notice " Must be a path to a file to clobber in the partial update." + notice "" +} + +check_for_forced_update() { + force_list="$1" + forced_file_chk="$2" + + local f + + if [ "$forced_file_chk" = "precomplete" ]; then + ## "true" *giggle* + return 0; + fi + + if [ "$forced_file_chk" = "Contents/Resources/precomplete" ]; then + ## "true" *giggle* + return 0; + fi + + if [ "$forced_file_chk" = "removed-files" ]; then + ## "true" *giggle* + return 0; + fi + + if [ "$forced_file_chk" = "Contents/Resources/removed-files" ]; then + ## "true" *giggle* + return 0; + fi + + if [ "${forced_file_chk##*.}" = "chk" ]; then + ## "true" *giggle* + return 0; + fi + + for f in $force_list; do + #echo comparing $forced_file_chk to $f + if [ "$forced_file_chk" = "$f" ]; then + ## "true" *giggle* + return 0; + fi + done + ## 'false'... because this is bash. Oh yay! + return 1; +} + +if [ $# = 0 ]; then + print_usage + exit 1 +fi + +requested_forced_updates='Contents/MacOS/firefox' + +while getopts "hf:" flag +do + case "$flag" in + h) print_usage; exit 0 + ;; + f) requested_forced_updates="$requested_forced_updates $OPTARG" + ;; + ?) print_usage; exit 1 + ;; + esac +done + +# ----------------------------------------------------------------------------- + +let arg_start=$OPTIND-1 +shift $arg_start + +archive="$1" +olddir="$2" +newdir="$3" +# Prevent the workdir from being inside the targetdir so it isn't included in +# the update mar. +if [ $(echo "$newdir" | grep -c '\/$') = 1 ]; then + # Remove the / + newdir=$(echo "$newdir" | sed -e 's:\/$::') +fi +workdir="$newdir.work" +updatemanifestv2="$workdir/updatev2.manifest" +updatemanifestv3="$workdir/updatev3.manifest" + +mkdir -p "$workdir" +echo "updatev2.manifest" >> $workdir/files.txt +echo "updatev3.manifest" >> $workdir/files.txt + +# Generate a list of all files in the target directory. +pushd "$olddir" +if test $? -ne 0 ; then + exit 1 +fi + +list_files oldfiles +list_dirs olddirs + +popd + +pushd "$newdir" +if test $? -ne 0 ; then + exit 1 +fi + +# if [ ! -f "precomplete" ]; then +# if [ ! -f "Contents/Resources/precomplete" ]; then +# notice "precomplete file is missing!" +# exit 1 +# fi +# fi + +list_dirs newdirs +list_files newfiles + +popd + +# Add the type of update to the beginning of the update manifests. +notice "" +notice "Adding type instruction to update manifests" +> $updatemanifestv2 +> $updatemanifestv3 +notice " type partial" +echo "type \"partial\"" >> $updatemanifestv2 +echo "type \"partial\"" >> $updatemanifestv3 + +notice "" +notice "Adding file patch and add instructions to update manifests" + +num_oldfiles=${#oldfiles[*]} +remove_array= +num_removes=0 + +for ((i=0; $i<$num_oldfiles; i=$i+1)); do + f="${oldfiles[$i]}" + + # If this file exists in the new directory as well, then check if it differs. + if [ -f "$newdir/$f" ]; then + + if check_for_add_if_not_update "$f"; then + # The full workdir may not exist yet, so create it if necessary. + mkdir -p `dirname "$workdir/$f"` + $BZIP2 -cz9 "$newdir/$f" > "$workdir/$f" + copy_perm "$newdir/$f" "$workdir/$f" + make_add_if_not_instruction "$f" "$updatemanifestv3" + echo $f >> $workdir/files.txt + continue 1 + fi + + if check_for_forced_update "$requested_forced_updates" "$f"; then + # The full workdir may not exist yet, so create it if necessary. + mkdir -p `dirname "$workdir/$f"` + $BZIP2 -cz9 "$newdir/$f" > "$workdir/$f" + copy_perm "$newdir/$f" "$workdir/$f" + make_add_instruction "$f" "$updatemanifestv2" "$updatemanifestv3" 1 + echo $f >> $workdir/files.txt + continue 1 + fi + + if ! diff "$olddir/$f" "$newdir/$f" > /dev/null; then + # Compute both the compressed binary diff and the compressed file, and + # compare the sizes. Then choose the smaller of the two to package. + dir=$(dirname "$workdir/$f") + mkdir -p "$dir" + notice "diffing \"$f\"" + # MBSDIFF_HOOK represents the communication interface with funsize and, + # if enabled, caches the intermediate patches for future use and + # compute avoidance + # + # An example of MBSDIFF_HOOK env variable could look like this: + # export MBSDIFF_HOOK="myscript.sh -A https://funsize/api -c /home/user" + # where myscript.sh has the following usage: + # myscript.sh -A SERVER-URL [-c LOCAL-CACHE-DIR-PATH] [-g] [-u] \ + # PATH-FROM-URL PATH-TO-URL PATH-PATCH SERVER-URL + # + # Note: patches are bzipped stashed in funsize to gain more speed + + # if service is not enabled then default to old behavior + if [ -z "$MBSDIFF_HOOK" ]; then + $MBSDIFF "$olddir/$f" "$newdir/$f" "$workdir/$f.patch" + $BZIP2 -z9 "$workdir/$f.patch" + else + # if service enabled then check patch existence for retrieval + if $MBSDIFF_HOOK -g "$olddir/$f" "$newdir/$f" "$workdir/$f.patch.bz2"; then + notice "file \"$f\" found in funsize, diffing skipped" + else + # if not found already - compute it and cache it for future use + $MBSDIFF "$olddir/$f" "$newdir/$f" "$workdir/$f.patch" + $BZIP2 -z9 "$workdir/$f.patch" + $MBSDIFF_HOOK -u "$olddir/$f" "$newdir/$f" "$workdir/$f.patch.bz2" + fi + fi + $BZIP2 -cz9 "$newdir/$f" > "$workdir/$f" + copy_perm "$newdir/$f" "$workdir/$f" + patchfile="$workdir/$f.patch.bz2" + patchsize=$(get_file_size "$patchfile") + fullsize=$(get_file_size "$workdir/$f") + + if [ $patchsize -lt $fullsize ]; then + make_patch_instruction "$f" "$updatemanifestv2" "$updatemanifestv3" + mv -f "$patchfile" "$workdir/$f.patch" + rm -f "$workdir/$f" + echo $f.patch >> $workdir/files.txt + else + make_add_instruction "$f" "$updatemanifestv2" "$updatemanifestv3" + rm -f "$patchfile" + echo $f >> $workdir/files.txt + fi + fi + else + # remove instructions are added after add / patch instructions for + # consistency with make_incremental_updates.py + remove_array[$num_removes]=$f + (( num_removes++ )) + fi +done + +# Newly added files +notice "" +notice "Adding file add instructions to update manifests" +num_newfiles=${#newfiles[*]} + +for ((i=0; $i<$num_newfiles; i=$i+1)); do + f="${newfiles[$i]}" + + # If we've already tested this file, then skip it + for ((j=0; $j<$num_oldfiles; j=$j+1)); do + if [ "$f" = "${oldfiles[j]}" ]; then + continue 2 + fi + done + + dir=$(dirname "$workdir/$f") + mkdir -p "$dir" + + $BZIP2 -cz9 "$newdir/$f" > "$workdir/$f" + copy_perm "$newdir/$f" "$workdir/$f" + + if check_for_add_if_not_update "$f"; then + make_add_if_not_instruction "$f" "$updatemanifestv3" + else + make_add_instruction "$f" "$updatemanifestv2" "$updatemanifestv3" + fi + + + echo $f >> $workdir/files.txt +done + +notice "" +notice "Adding file remove instructions to update manifests" +for ((i=0; $i<$num_removes; i=$i+1)); do + f="${remove_array[$i]}" + notice " remove \"$f\"" + echo "remove \"$f\"" >> $updatemanifestv2 + echo "remove \"$f\"" >> $updatemanifestv3 +done + +# Add remove instructions for any dead files. +notice "" +notice "Adding file and directory remove instructions from file 'removed-files'" +append_remove_instructions "$newdir" "$updatemanifestv2" "$updatemanifestv3" + +notice "" +notice "Adding directory remove instructions for directories that no longer exist" +num_olddirs=${#olddirs[*]} + +for ((i=0; $i<$num_olddirs; i=$i+1)); do + f="${olddirs[$i]}" + # If this dir doesn't exist in the new directory remove it. + if [ ! -d "$newdir/$f" ]; then + notice " rmdir $f/" + echo "rmdir \"$f/\"" >> $updatemanifestv2 + echo "rmdir \"$f/\"" >> $updatemanifestv3 + fi +done + +$BZIP2 -z9 "$updatemanifestv2" && mv -f "$updatemanifestv2.bz2" "$updatemanifestv2" +$BZIP2 -z9 "$updatemanifestv3" && mv -f "$updatemanifestv3.bz2" "$updatemanifestv3" + +mar_command="$MAR" +if [[ -n $PRODUCT_VERSION ]] +then + mar_command="$mar_command -V $PRODUCT_VERSION" +fi +if [[ -n $CHANNEL_ID ]] +then + mar_command="$mar_command -H $CHANNEL_ID" +fi +mar_command="$mar_command -C \"$workdir\" -c output.mar -f $workdir/files.txt" +eval "$mar_command" +mv -f "$workdir/output.mar" "$archive" + +# cleanup +rm -fr "$workdir" + +notice "" +notice "Finished" +notice "" |