scripts: replace test builtin [ with shell keywords [[ and ((

FS#16623 suggested this change for makepkg; this patch applies it to the
remaining files in the scripts directory.

Signed-off-by: Cedric Staniewski <cedric@gmx.ca>
Signed-off-by: Dan McGee <dan@archlinux.org>

scripts/pacman-optimize.sh.in

@@ -74,23 +74,23 @@ die_r() {
 # PROGRAM START
 
 # determine whether we have gettext; make it a no-op if we do not
-if [ ! $(type -t gettext) ]; then
+if ! type gettext &>/dev/null; then
 	gettext() {
 		echo "$@"
 	}
 fi
 
-if [ "$1" = "-h" -o "$1" = "--help" ]; then
+if [[ $1 = "-h" || $1 = "--help" ]]; then
 	usage
 	exit 0
 fi
 
-if [ "$1" = "-V" -o "$1" = "--version" ]; then
+if [[ $1 = "-V" || $1 = "--version" ]]; then
 	version
 	exit 0
 fi
 
-if [ "$1" != "" ]; then
+if [[ -n $1 ]]; then
 	dbroot="$1"
 fi
 
@@ -99,11 +99,11 @@ if ! type diff >/dev/null 2>&1; then
 	die "$(gettext "diff tool was not found, please install diffutils.")"
 fi
 
-if [ ! -d "$dbroot" ]; then
+if [[ ! -d $dbroot ]]; then
 	die "$(gettext "%s does not exist or is not a directory.")" "$dbroot"
 fi
 
-if [ ! -w "$dbroot" ]; then
+if [[ ! -w $dbroot ]]; then
 	die "$(gettext "You must have correct permissions to optimize the database.")"
 fi
 
@@ -113,7 +113,7 @@ dbroot="${dbroot%/}"
 lockfile="${dbroot}/db.lck"
 
 # make sure pacman isn't running
-if [ -f "$lockfile" ]; then
+if [[ -f $lockfile ]]; then
 	die "$(gettext "Pacman lock file was found. Cannot run while pacman is running.")"
 fi
 # do not let pacman run while we do this
@@ -130,7 +130,7 @@ find "$dbroot" -type f | sort | xargs md5sum > "$workdir/pacsums.old"
 msg "$(gettext "Tar'ing up %s...")" "$dbroot"
 cd "$dbroot"
 bsdtar -czf "$workdir/pacman-db.tar.gz" ./
-if [ $? -ne 0 ]; then
+if (( $? )); then
 	rm -rf "$workdir"
 	die_r "$(gettext "Tar'ing up %s failed.")" "$dbroot"
 fi
@@ -139,7 +139,7 @@ fi
 msg "$(gettext "Making and MD5sum'ing the new database...")"
 mkdir "$dbroot.new"
 bsdtar -xpf "$workdir/pacman-db.tar.gz" -C "$dbroot.new"
-if [ $? -ne 0 ]; then
+if (( $? )); then
        rm -rf "$workdir"
        die_r "$(gettext "Untar'ing %s failed.")" "$dbroot"
 fi
@@ -152,7 +152,7 @@ find "$dbroot.new" -type f | sort | \
 # step 4: compare the sums
 msg "$(gettext "Checking integrity...")"
 diff "$workdir/pacsums.old" "$workdir/pacsums.new" >/dev/null 2>&1
-if [ $? -ne 0 ]; then
+if (( $? )); then
 	# failed
 	# leave our pacman-optimize tmpdir for checking to see what doesn't match up
 	rm -rf "$dbroot.new"
@@ -167,7 +167,7 @@ mv "$dbroot" "$dbroot.old" || fail=1
 mv "$dbroot.new" "$dbroot" || fail=1
 chmod --reference="$dbroot.old" "$dbroot" || fail=1
 chown --reference="$dbroot.old" "$dbroot" || fail=1
-if [ $fail -ne 0 ]; then
+if (( fail )); then
 	# failure with our directory shuffle
 	die_r "$(gettext "New database substitution failed. Check for $dbroot,\n$dbroot.old, and $dbroot.new directories.")"
 fi

scripts/pkgdelta.sh.in

@@ -35,7 +35,7 @@ QUIET=0
 umask 0022
 
 msg() {
-	[ $QUIET -ne 0 ] && return
+	(( QUIET )) && return
 	local mesg=$1; shift
 	printf "==> ${mesg}\n" "$@" >&1
 }
@@ -79,7 +79,7 @@ read_pkginfo()
 	for line in $(bsdtar -xOf "$1" .PKGINFO 2>/dev/null |
 		grep -v "^#" | sed 's|\(\w*\)\s*=\s*\(.*\)|\1="\2"|'); do
 		eval "$line"
-		if [ -n "$pkgname" -a -n "$pkgver" -a -n "$arch" ]; then
+		if [[ -n $pkgname && -n $pkgver && -n $arch ]]; then
 			IFS=$OLDIFS
 			return 0
 		fi
@@ -108,17 +108,17 @@ create_xdelta()
 	newver="$pkgver"
 	newarch="$arch"
 
-	if [ "$oldname" != "$newname" ]; then
+	if [[ $oldname != $newname ]]; then
 		error "$(gettext "The package names don't match : '%s' and '%s'")" "$oldname" "$newname"
 		return 1
 	fi
 
-	if [ "$oldarch" != "$newarch" ]; then
+	if [[ $oldarch != $newarch ]]; then
 		error "$(gettext "The package architectures don't match : '%s' and '%s'")" "$oldarch" "$newarch"
 		return 1
 	fi
 
-	if [ "$oldver" == "$newver" ]; then
+	if [[ $oldver == $newver ]]; then
 		error "$(gettext "Both packages have the same version : '%s'")" "$newver"
 		return 1
 	fi
@@ -128,12 +128,12 @@ create_xdelta()
 	local ret=0
 
 	xdelta3 -q -f -s "$oldfile" "$newfile" "$deltafile" || ret=$?
-	if [ $ret -ne 0 ]; then
+	if (( ret )); then
 		error "$(gettext "Delta could not be created.")"
 		return 1
 	else
 		msg "$(gettext "Generated delta : '%s'")" "$deltafile"
-		[ $QUIET -eq 1 ] && echo "$deltafile"
+		(( QUIET )) && echo "$deltafile"
 	fi
 	return 0
 }
@@ -142,22 +142,22 @@ case "$1" in
 	-q|--quiet) QUIET=1; shift ;;
 esac
 
-if [ $# -ne 2 ]; then
+if (( $# != 2 )); then
 	usage
 	exit 0
 fi
 
-if [ ! -f "$1" ]; then
+if [[ ! -f $1 ]]; then
 	error "$(gettext "File '%s' does not exist")" "$1"
 	exit 0
 fi
 
-if [ ! -f "$2" ]; then
+if [[ ! -f $2 ]]; then
 	error "$(gettext "File '%s' does not exist")" "$2"
 	exit 0
 fi
 
-if [ ! "$(type -p xdelta3)" ]; then
+if ! type xdelta3 &>/dev/null; then
 	error "$(gettext "Cannot find the xdelta3 binary! Is xdelta3 installed?")"
 	exit 1
 fi

scripts/rankmirrors.sh.in

@@ -56,8 +56,8 @@ err() {
 # returns the fetching time, or timeout, or unreachable
 gettime() {
 	IFS=' ' output=( $(curl -s -m 10 -w "%{time_total} %{http_code}" "$1" -o/dev/null) )
-	[[ $? = 28 ]] && echo timeout && return
+	(( $? == 28 )) && echo timeout && return
-	[[ ${output[1]} -ge 400 || ${output[1]} -eq 0 ]] && echo unreachable && return
+	(( ${output[1]} >= 400 || ! ${output[1]} )) && echo unreachable && return
 	echo "${output[0]}"
 }
 
@@ -96,13 +96,13 @@ finaloutput() {
 		for line in "${sortedarray[@]}"; do
 			echo "${line#* } : ${line% *}"
 			((numiterator++))
-			[[ $NUM -ne 0 && $numiterator -ge $NUM ]] && break
+			(( NUM && numiterator >= NUM )) && break
 		done
 	else
 		for line in "${sortedarray[@]}"; do
 			echo "Server = ${line#* }"
 			((numiterator++))
-			[[ $NUM -ne 0 && $numiterator -ge $NUM ]] && break
+			(( NUM && numiterator >= NUM )) && break
 		done
 	fi
 	exit 0
@@ -112,7 +112,7 @@ finaloutput() {
 # Argument parsing
 [[ $1 ]] || usage
 while [[ $1 ]]; do
-	if [[ "${1:0:2}" = -- ]]; then
+	if [[ ${1:0:2} = -- ]]; then
 		case "${1:2}" in
 			help) usage ;;
 			version) version ;;
@@ -142,7 +142,7 @@ while [[ $1 ]]; do
 			done
 			shift $snum
 		fi
-	elif [[ -f "$1" ]]; then
+	elif [[ -f $1 ]]; then
 		FILE="1"
 		IFS=$'\n' linearray=( $(<$1) )
 		[[ $linearray ]] || err "File is empty."

scripts/repo-add.sh.in

@@ -42,7 +42,7 @@ msg() {
 }
 
 msg2() {
-	[ $QUIET -ne 0 ] && return
+	(( QUIET )) && return
 	local mesg=$1; shift
 	printf "  -> ${mesg}\n" "$@" >&1
 }
@@ -90,7 +90,7 @@ There is NO WARRANTY, to the extent permitted by law.\n")"
 #		arg2 - List
 #		arg3 - File to write to
 write_list_entry() {
-	if [ -n "$2" ]; then
+	if [[ -n $2 ]]; then
 		echo "%$1%" >>$3
 		echo -e $2 >>$3
 	fi
@@ -102,7 +102,7 @@ find_pkgentry()
 	local pkgentry
 	for pkgentry in $tmpdir/$pkgname*; do
 		name=${pkgentry##*/}
-		if [ "${name%-*-*}" = "$pkgname" ]; then
+		if [[ ${name%-*-*} = $pkgname ]]; then
 			echo $pkgentry
 			return 0
 		fi
@@ -126,12 +126,12 @@ db_write_delta()
 	pkgname="$(get_delta_pkgname $deltafile)"
 
 	pkgentry=$(find_pkgentry $pkgname)
-	if [ -z "$pkgentry" ]; then
+	if [[ -z $pkgentry ]]; then
 		return 1
 	fi
 	deltas="$pkgentry/deltas"
 	# create deltas file if it does not already exist
-	if [ ! -f "$deltas" ]; then
+	if [[ ! -f $deltas ]]; then
 		msg2 "$(gettext "Creating 'deltas' db entry...")"
 		echo -e "%DELTAS%" >>$deltas
 	fi
@@ -162,11 +162,11 @@ db_remove_delta()
 	pkgname="$(get_delta_pkgname $deltafile)"
 
 	pkgentry=$(find_pkgentry $pkgname)
-	if [ -z "$pkgentry" ]; then
+	if [[ -z $pkgentry ]]; then
 		return 1
 	fi
 	deltas="$pkgentry/deltas"
-	if [ ! -f "$deltas" ]; then
+	if [[ ! -f $deltas ]]; then
 		return 1
 	fi
 	if grep -q "$filename" $deltas; then
@@ -219,14 +219,14 @@ db_write_entry()
 	csize=$(@SIZECMD@ "$pkgfile")
 
 	# ensure $pkgname and $pkgver variables were found
-	if [ -z "$pkgname" -o -z "$pkgver" ]; then
+	if [[ -z $pkgname || -z $pkgver ]]; then
 		error "$(gettext "Invalid package file '%s'.")" "$pkgfile"
 		return 1
 	fi
 
 	cd "$tmpdir"
 
-	if [ -d "$pkgname-$pkgver" ]; then
+	if [[ -d $pkgname-$pkgver ]]; then
 		warning "$(gettext "An entry for '%s' already existed")" "$pkgname-$pkgver"
 	fi
 
@@ -238,30 +238,30 @@ db_write_entry()
 	cd "$pkgname-$pkgver"
 
 	# restore an eventual deltas file
-	[ -f "../$pkgname.deltas" ] && mv "../$pkgname.deltas" deltas
+	[[ -f ../$pkgname.deltas ]] && mv "../$pkgname.deltas" deltas
 
 	# create desc entry
 	msg2 "$(gettext "Creating 'desc' db entry...")"
 	echo -e "%FILENAME%\n$(basename "$1")\n" >>desc
 	echo -e "%NAME%\n$pkgname\n" >>desc
-	[ -n "$pkgbase" ] && echo -e "%BASE%\n$pkgbase\n" >>desc
+	[[ -n $pkgbase ]] && echo -e "%BASE%\n$pkgbase\n" >>desc
 	echo -e "%VERSION%\n$pkgver\n" >>desc
-	[ -n "$pkgdesc" ] && echo -e "%DESC%\n$pkgdesc\n" >>desc
+	[[ -n $pkgdesc ]] && echo -e "%DESC%\n$pkgdesc\n" >>desc
 	write_list_entry "GROUPS" "$_groups" "desc"
-	[ -n "$csize" ] && echo -e "%CSIZE%\n$csize\n" >>desc
+	[[ -n $csize ]] && echo -e "%CSIZE%\n$csize\n" >>desc
-	[ -n "$size" ] && echo -e "%ISIZE%\n$size\n" >>desc
+	[[ -n $size ]] && echo -e "%ISIZE%\n$size\n" >>desc
 
 	# compute checksums
 	msg2 "$(gettext "Computing md5 checksums...")"
 	echo -e "%MD5SUM%\n$md5sum\n" >>desc
 
-	[ -n "$url" ] && echo -e "%URL%\n$url\n" >>desc
+	[[ -n $url ]] && echo -e "%URL%\n$url\n" >>desc
 	write_list_entry "LICENSE" "$_licenses" "desc"
-	[ -n "$arch" ] && echo -e "%ARCH%\n$arch\n" >>desc
+	[[ -n $arch ]] && echo -e "%ARCH%\n$arch\n" >>desc
-	[ -n "$builddate" ] && echo -e "%BUILDDATE%\n$builddate\n" >>desc
+	[[ -n $builddate ]] && echo -e "%BUILDDATE%\n$builddate\n" >>desc
-	[ -n "$packager" ] && echo -e "%PACKAGER%\n$packager\n" >>desc
+	[[ -n $packager ]] && echo -e "%PACKAGER%\n$packager\n" >>desc
 	write_list_entry "REPLACES" "$_replaces" "desc"
-	[ -n "$force" ] && echo -e "%FORCE%\n" >>desc
+	[[ -n $force ]] && echo -e "%FORCE%\n" >>desc
 
 	# create depends entry
 	msg2 "$(gettext "Creating 'depends' db entry...")"
@@ -283,9 +283,9 @@ db_remove_entry() {
 	local pkgname=$1
 	local notfound=1
 	local pkgentry=$(find_pkgentry $pkgname)
-	while [ -n "$pkgentry" ]; do
+	while [[ -n $pkgentry ]]; do
 		notfound=0
-		if [ -f "$pkgentry/deltas" ]; then
+		if [[ -f $pkgentry/deltas ]]; then
 			mv "$pkgentry/deltas" "$tmpdir/$pkgname.deltas"
 		fi
 		msg2 "$(gettext "Removing existing entry '%s'...")" \
@@ -303,16 +303,16 @@ check_repo_db()
 		CLEAN_LOCK=1
 	else
 		error "$(gettext "Failed to acquire lockfile: %s.")" "$LOCKFILE"
-		[ -f "$LOCKFILE" ] && error "$(gettext "Held by process %s")" "$(cat $LOCKFILE)"
+		[[ -f $LOCKFILE ]] && error "$(gettext "Held by process %s")" "$(cat $LOCKFILE)"
 		exit 1
 	fi
 
-	if [ -f "$REPO_DB_FILE" ]; then
+	if [[ -f $REPO_DB_FILE ]]; then
 		# there are two situations we can have here- a DB with some entries,
 		# or a DB with no contents at all.
 		if ! bsdtar -tqf "$REPO_DB_FILE" '*/desc' >/dev/null 2>&1; then
 			# check empty case
-			if [ -n "$(bsdtar -tqf "$REPO_DB_FILE" '*' 2>/dev/null)" ]; then
+			if [[ -n $(bsdtar -tqf "$REPO_DB_FILE" '*' 2>/dev/null) ]]; then
 				error "$(gettext "Repository file '%s' is not a proper pacman database.")" "$REPO_DB_FILE"
 				exit 1
 			fi
@@ -339,15 +339,15 @@ check_repo_db()
 
 add()
 {
-	if [ ! -f "$1" ]; then
+	if [[ ! -f $1 ]]; then
 		error "$(gettext "File '%s' not found.")" "$1"
 		return 1
 	fi
 
-	if [ "${1##*.}" == "delta" ]; then
+	if [[ ${1##*.} == "delta" ]]; then
 		deltafile=$1
 		msg "$(gettext "Adding delta '%s'")" "$deltafile"
-		if [ ! "$(type -p xdelta3)" ]; then
+		if ! type xdelta3 &>/dev/null; then
 			error "$(gettext "Cannot find the xdelta3 binary! Is xdelta3 installed?")"
 			exit 1
 		fi
@@ -371,7 +371,7 @@ add()
 
 remove()
 {
-	if [ "${1##*.}" == "delta" ]; then
+	if [[ ${1##*.} == "delta" ]]; then
 		deltafile=$1
 		msg "$(gettext "Searching for delta '%s'...")" "$deltafile"
 		if db_remove_delta "$deltafile"; then
@@ -405,8 +405,8 @@ clean_up() {
 	local exit_code=$?
 
 	cd "$startdir"
-	[ -d "$tmpdir" ] && rm -rf "$tmpdir"
+	[[ -d $tmpdir ]] && rm -rf "$tmpdir"
-	[ $CLEAN_LOCK -eq 1 -a -f "$LOCKFILE" ] && rm -f "$LOCKFILE"
+	(( CLEAN_LOCK )) && [[ -f $LOCKFILE ]] && rm -f "$LOCKFILE"
 
 	exit $exit_code
 }
@@ -414,7 +414,7 @@ clean_up() {
 # PROGRAM START
 
 # determine whether we have gettext; make it a no-op if we do not
-if [ ! $(type -t gettext) ]; then
+if ! type gettext &>/dev/null; then
 	gettext() {
 		echo "$@"
 	}
@@ -427,7 +427,7 @@ esac
 
 # figure out what program we are
 cmd="$(basename $0)"
-if [ "$cmd" != "repo-add" -a "$cmd" != "repo-remove" ]; then
+if [[ $cmd != "repo-add" && $cmd != "repo-remove" ]]; then
 	error "$(gettext "Invalid command name '%s' specified.")" "$cmd"
 	exit 1
 fi
@@ -447,7 +447,7 @@ for arg in "$@"; do
 	case "$arg" in
 		-q|--quiet) QUIET=1;;
 		*)
-			if [ -z "$REPO_DB_FILE" ]; then
+			if [[ -z $REPO_DB_FILE ]]; then
 				REPO_DB_FILE="$arg"
 				LOCKFILE="$REPO_DB_FILE.lck"
 				check_repo_db
@@ -462,7 +462,7 @@ for arg in "$@"; do
 done
 
 # if at least one operation was a success, re-zip database
-if [ $success -eq 1 ]; then
+if (( success )); then
 	msg "$(gettext "Creating updated database file '%s'")" "$REPO_DB_FILE"
 
 	case "$REPO_DB_FILE" in
@@ -476,7 +476,7 @@ if [ $success -eq 1 ]; then
 	filename=$(basename "$REPO_DB_FILE")
 
 	cd "$tmpdir"
-	if [ -n "$(ls)" ]; then
+	if [[ -n $(ls) ]]; then
 		bsdtar -c${TAR_OPT}f "$filename" *
 	else
 		# we have no packages remaining? zip up some emptyness
@@ -485,8 +485,8 @@ if [ $success -eq 1 ]; then
 	fi
 	cd "$startdir"
 
-	[ -f "$REPO_DB_FILE" ] && mv -f "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
+	[[ -f $REPO_DB_FILE ]] && mv -f "$REPO_DB_FILE" "${REPO_DB_FILE}.old"
-	[ -f "$tmpdir/$filename" ] && mv "$tmpdir/$filename" "$REPO_DB_FILE"
+	[[ -f $tmpdir/$filename ]] && mv "$tmpdir/$filename" "$REPO_DB_FILE"
 else
 	msg "$(gettext "No packages modified, nothing to do.")"
 	exit 1