From 370dd6573143fb9b9a7d368badbd3f2bb40ad6cf Mon Sep 17 00:00:00 2001
From: Dave Reisner <dreisner@archlinux.org>
Date: Sun, 24 Jul 2011 15:04:36 -0400
Subject: arch-tmpfiles: add cmdline parameters

Categorize actions as 'create' or 'remove', for finer control.

Signed-off-by: Dave Reisner <dreisner@archlinux.org>
---
 arch-tmpfiles | 37 ++++++++++++++++++++++++++++++++-----
 1 file changed, 32 insertions(+), 5 deletions(-)

(limited to 'arch-tmpfiles')

diff --git a/arch-tmpfiles b/arch-tmpfiles
index 827bc54..c646ecd 100755
--- a/arch-tmpfiles
+++ b/arch-tmpfiles
@@ -41,6 +41,8 @@ _f() {
 	# Create a file if it doesn't exist yet
 	local path=$1 mode=$2 uid=$3 gid=$4
 
+	(( CREATE )) || return 0
+
 	if ! checkparams 4 "$@"; then
 		warninvalid
 		return
@@ -55,6 +57,8 @@ _F() {
 	# Create or truncate a file
 	local path=$1 mode=$2 uid=$3 gid=$4
 
+	(( CREATE )) || return 0
+
 	if ! checkparams 4 "$@"; then
 		warninvalid
 		return
@@ -67,6 +71,8 @@ _d() {
 	# Create a directory if it doesn't exist yet
 	local path=$1 mode=$2 uid=$3 gid=$4
 
+	(( CREATE )) || return 0
+
 	if ! checkparams 4 "$@"; then
 		warninvalid
 		return
@@ -81,6 +87,8 @@ _D() {
 	# Create or empty a directory
 	local path=$1 mode=$2 uid=$3 gid=$4
 
+	(( CREATE )) || return 0
+
 	if ! checkparams 4 "$@"; then
 		warninvalid
 		return
@@ -96,6 +104,8 @@ _p() {
 	# Create a named pipe (FIFO) if it doesn't exist yet
 	local path=$1 mode=$2 uid=$3 gid=$4
 
+	(( CREATE )) || return 0
+
 	if ! checkparams 4 "$@"; then
 		warninvalid
 		return
@@ -123,6 +133,8 @@ _r() {
 	local path
 	local -a paths=($1)
 
+	(( REMOVE )) || return 0
+
 	if ! checkparams 1 "$@"; then
 		warninvalid
 		return
@@ -143,6 +155,8 @@ _R() {
 	local path
 	local -a paths=($1)
 
+	(( REMOVE )) || return 0
+
 	if ! checkparams 1 "$@"; then
 		warninvalid
 		return
@@ -155,11 +169,7 @@ _R() {
 
 shopt -s nullglob
 
-# catch errors in functions so we can exit with something meaningful
-set -E
-trap '(( ++error ))' ERR
-
-declare -i error=0 LINENO=0
+declare -i CREATE=0 REMOVE=0 CLEAN=0 error=0 LINENO=0
 declare FILE=
 declare -A fragments
 declare -a tmpfiles_d=(
@@ -168,6 +178,19 @@ declare -a tmpfiles_d=(
 	/run/tmpfiles.d/*.conf
 )
 
+while (( $# )); do
+	case $1 in
+		--create) CREATE=1 ;;
+		--remove) REMOVE=1 ;;
+	esac
+	shift
+done
+
+if (( !(CREATE + REMOVE) )); then
+	printf 'usage: %s [--create] [--remove]\n' "${0##*/}"
+	exit 1
+fi
+
 # directories declared later in the tmpfiles_d array will override earlier
 # directories, on a per file basis.
 # Example: `/etc/tmpfiles.d/foo.conf' supersedes `/usr/lib/tmpfiles.d/foo.conf'.
@@ -175,6 +198,10 @@ for path in "${tmpfiles_d[@]}"; do
 	[[ -f $path ]] && fragments[${path##*/}]=${path%/*}
 done
 
+# catch errors in functions so we can exit with something meaningful
+set -E
+trap '(( ++error ))' ERR
+
 # loop through the gathered fragments, sorted globally by filename.
 # `/run/tmpfiles/foo.conf' will always be read after `/etc/tmpfiles.d/bar.conf'
 while read -d '' fragment; do
-- 
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