fileset

commit 1bd58fa87350a055516e42878ccc6a9b91810f4a
parent 9a34c6a86cbdefc38c99723eaa9bf26c1de1a9cc
Author: Jan Pobrislo <ccx@webprojekty.cz>
Date:   Thu,  2 Apr 2020 17:45:13 +0200

Allow creating device nodes
Diffstat:
M
README
 | 
3
+++
M
zsh-functions/confz_fileset_init
 | 
33
+++++++++++++++++++++++++++++++++

2 files changed, 36 insertions(+), 0 deletions(-)
diff --git a/README b/README
@@ -64,6 +64,9 @@ b<flags><tab><content>
 s<flags><tab><content>
 	checksum, TODO description
 
+D<flags><tab><device-type>:<major>:<minor>
+	TODO
+
 Commands that take whole statement:
 
 P<tab><path>
diff --git a/zsh-functions/confz_fileset_init b/zsh-functions/confz_fileset_init
@@ -71,6 +71,8 @@ fileset_stat_set_cur(){
 	ftype=$[ [##16] $fileset_stat_cur[mode] >> 12 ]
 	fileset_stat_cur_type=$fileset_ftypes[$ftype]
 	fileset_stat_cur_perm=$[ [##8] $fileset_stat_cur[mode] & 4095 ]
+	fileset_stat_cur_major=$[ $fileset_stat_cur[rdev] >> 8 ]
+	fileset_stat_cur_minor=$[ $fileset_stat_cur[rdev] & 255 ]
 }
 
 fileset_resetcmd() {
@@ -156,6 +158,37 @@ confz_fs_l_do() {
 }
 
 
+confz_fs_device_check() {
+	checkvars filename flags device_type major minor
+
+	if [[ $vars[flags] == *p* ]]; then
+		require fs_p :filename
+	fi
+
+	case $vars[device_type] in
+		(c) require fs_type_or_missing :filename :flags filetype=c ;;
+		(b) require fs_type_or_missing :filename :flags filetype=b ;;
+		(*) die "Incorrect device type: ${(qqq)vars[device_type]}" ;;
+	esac
+
+	fileset_stat $vars[filename] && \
+		[[ $fileset_stat_cur_type == $vars[device_type] ]] && \
+		[[ $fileset_stat_cur[major] == $vars[major] ]] && \
+		[[ $fileset_stat_cur[minor] == $vars[minor] ]]
+}
+
+confz_fs_device_do() {
+	local missing
+	fileset_stat $vars[filename]
+	missing=$?
+	fileset_reset_cache
+	if ! (($missing)); then
+		rm $vars[filename] || return $?
+	fi
+	mknod $vars[filename] $vars[major] $vars[minor]
+}
+
+
 confz_fs_pipe_check() {
 	checkvars filename flags