gecko/tools/update-packaging/make_incremental_update.sh

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#!/bin/bash
#
# 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##*.}" = "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 [ $# = 0 ]; then
print_usage
exit 1
fi
requested_forced_updates=''
while getopts "hf:" flag
do
case "$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="$newdir.work"
updatemanifestv1="$workdir/update.manifest"
updatemanifestv2="$workdir/updatev2.manifest"
archivefiles="update.manifest updatev2.manifest"
mkdir -p "$workdir"
# On Mac, the precomplete file added by Bug 386760 will cause OS X to reload the
# Info.plist so it launches the right architecture, bug 600098
# 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 $? -ne 0 ; then
exit 1
fi
if [ ! -f "precomplete" ]; then
notice "precomplete file is missing!"
exit 1
fi
list_dirs newdirs
list_files newfiles
# Files that should be added on channel change
ccfiles=$(find . -type f -name "channel-prefs.js" | sed 's/\.\/\(.*\)/\1/')
popd
notice ""
notice "Adding file patch and add instructions to file 'update.manifest'"
> $updatemanifestv1
num_oldfiles=${#oldfiles[*]}
remove_array=
num_removes=0
for ((i=0; $i<$num_oldfiles; i=$i+1)); do
f="${oldfiles[$i]}"
# This file is created by Talkback, so we can ignore it
if [ "$f" = "readme.txt" ]; then
continue 1
fi
# removed-files is excluded by make_incremental_updates.py so it is excluded
# here for consistency.
if [ `basename $f` = "removed-files" ]; then
continue 1
fi
# If this file exists in the new directory as well, then check if it differs.
if [ -f "$newdir/$f" ]; then
if check_for_forced_update "$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" 1 >> $updatemanifestv1
archivefiles="$archivefiles \"$f\""
continue 1
fi
if ! diff "$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"
$MBSDIFF "$olddir/$f" "$newdir/$f" "$workdir/$f.patch"
$BZIP2 -z9 "$workdir/$f.patch"
$BZIP2 -cz9 "$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" >> $updatemanifestv1
mv -f "$patchfile" "$workdir/$f.patch"
rm -f "$workdir/$f"
archivefiles="$archivefiles \"$f.patch\""
else
make_add_instruction "$f" >> $updatemanifestv1
rm -f "$patchfile"
archivefiles="$archivefiles \"$f\""
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 file 'update.manifest'"
num_newfiles=${#newfiles[*]}
for ((i=0; $i<$num_newfiles; i=$i+1)); do
f="${newfiles[$i]}"
# removed-files is excluded by make_incremental_updates.py so it is excluded
# here for consistency.
if [ `basename $f` = "removed-files" ]; then
continue 1
fi
# 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/$f"
make_add_instruction "$f" >> "$updatemanifestv1"
archivefiles="$archivefiles \"$f\""
done
notice ""
notice "Adding file remove instructions to file 'update.manifest'"
for ((i=0; $i<$num_removes; i=$i+1)); do
f="${remove_array[$i]}"
notice " remove: $f"
echo "remove \"$f\"" >> $updatemanifestv1
done
# Add the type of update to the beginning of and cat the contents of the version
# 1 update manifest to the version 2 update manifest.
notice ""
notice "Adding type instruction to file 'updatev2.manifest'"
> $updatemanifestv2
notice " type: partial"
echo "type \"partial\"" >> $updatemanifestv2
notice ""
notice "Concatenating file 'update.manifest' to file 'updatev2.manifest'"
cat $updatemanifestv1 >> $updatemanifestv2
# Append remove instructions for any dead files.
notice ""
notice "Adding file and directory remove instructions from file 'removed-files'"
append_remove_instructions "$newdir" "$updatemanifestv1" "$updatemanifestv2"
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
fi
done
$BZIP2 -z9 "$updatemanifestv1" && mv -f "$updatemanifestv1.bz2" "$updatemanifestv1"
$BZIP2 -z9 "$updatemanifestv2" && mv -f "$updatemanifestv2.bz2" "$updatemanifestv2"
eval "$MAR -C \"$workdir\" -c output.mar $archivefiles"
mv -f "$workdir/output.mar" "$archive"
# cleanup
rm -fr "$workdir"
notice ""
notice "Finished"