pjs/tools/update-packaging/common.sh

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#!/bin/bash
#
# Code shared by update packaging scripts.
# Author: Darin Fisher
#
# -----------------------------------------------------------------------------
# By default just assume that these tools exist on our path
MAR=${MAR:-mar}
BZIP2=${BZIP2:-bzip2}
MBSDIFF=${MBSDIFF:-mbsdiff}
# -----------------------------------------------------------------------------
# Helper routines
notice() {
echo $* 1>&2
}
get_file_size() {
info=($(ls -l "$1"))
echo ${info[4]}
}
copy_perm() {
reference="$1"
target="$2"
if [ -x "$reference" ]; then
chmod 0755 "$target"
else
chmod 0644 "$target"
fi
}
make_add_instruction() {
f="$1"
is_extension=$(echo "$f" | grep -c 'extensions/.*/')
if [ $is_extension = "1" ]; then
# Use the subdirectory of the extensions folder as the file to test
# before performing this add instruction.
testdir=$(echo "$f" | sed 's/\(extensions\/[^\/]*\)\/.*/\1/')
echo "add-if \"$testdir\" \"$f\""
else
echo "add \"$f\""
fi
}
make_patch_instruction() {
f="$1"
is_extension=$(echo "$f" | grep -c 'extensions/.*/')
if [ $is_extension = "1" ]; then
# Use the subdirectory of the extensions folder as the file to test
# before performing this add instruction.
testdir=$(echo "$f" | sed 's/\(extensions\/[^\/]*\)\/.*/\1/')
echo "patch-if \"$testdir\" \"$f.patch\" \"$f\""
else
echo "patch \"$f.patch\" \"$f\""
fi
}
append_remove_instructions() {
dir="$1"
if [ -f "$dir/removed-files" ]; then
prefix=
listfile="$dir/removed-files"
elif [ -f "$dir/Contents/MacOS/removed-files" ]; then
prefix=Contents/MacOS/
listfile="$dir/Contents/MacOS/removed-files"
fi
if [ -n "$listfile" ]; then
# Map spaces to pipes so that we correctly handle filenames with spaces.
files=($(cat "$listfile" | tr " " "|"))
num_files=${#files[*]}
for ((i=0; $i<$num_files; i=$i+1)); do
# Trim whitespace (including trailing carriage returns)
f=$(echo ${files[$i]} | tr "|" " " | sed 's/^ *\(.*\) *$/\1/' | tr -d '\r')
# Exclude any blank lines or any lines ending with a slash, which indicate
# directories. The updater doesn't know how to remove entire directories.
if [ -n "$f" ]; then
if [ $(echo "$f" | grep -c '\/$') = 0 ]; then
echo "remove \"$prefix$f\""
else
notice "ignoring remove instruction for directory: $f"
fi
fi
done
fi
}
# List all files in the current directory, stripping leading "./"
# Skip the channel-prefs.js file as it should not be included in any
# generated MAR files (see bug 306077).
list_files() {
find . -type f \
! -name "channel-prefs.js" \
! -name "update.manifest" \
| sed 's/\.\/\(.*\)/"\1"/'
}