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-rwxr-xr-xbin/update/make_incremental_update.sh318
1 files changed, 318 insertions, 0 deletions
diff --git a/bin/update/make_incremental_update.sh b/bin/update/make_incremental_update.sh
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+++ b/bin/update/make_incremental_update.sh
@@ -0,0 +1,318 @@
+#!/bin/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 ""