Added support for brotli compression

Signed-off-by: Vadim Kalinnikov <[email protected]>

Author: moose-kazan

configure.ac

@@ -595,6 +595,7 @@ src/vfs/extfs/helpers/Makefile
 src/vfs/extfs/helpers/a+
 src/vfs/extfs/helpers/apt+
 src/vfs/extfs/helpers/audio
+src/vfs/extfs/helpers/brotli
 src/vfs/extfs/helpers/deb
 src/vfs/extfs/helpers/deba
 src/vfs/extfs/helpers/debd

misc/ext.d/archive.sh

@@ -14,6 +14,9 @@ do_view_action() {
     filetype=$1
 
     case "${filetype}" in
+    br)
+        brotli -dck "${MC_EXT_FILENAME}" 2>/dev/null
+        ;;
     gz)
         gzip -dc "${MC_EXT_FILENAME}" 2>/dev/null
         ;;

misc/mc.ext.ini.in

@@ -917,6 +917,12 @@ ShellIgnoreCase=true
 Open=%cd %p/uwim://
 View=%view{ascii} @EXTHELPERSDIR@/archive.sh view wim
 
+[brotli]
+Shell=.br
+ShellIgnoreCase=true
+Open=Open=%cd %p/brotli://
+View=%view{ascii} @EXTHELPERSDIR@/archive.sh view br
+
 
 ######### Files by Type #########
 

src/vfs/extfs/helpers/.gitignore

@@ -3,6 +3,7 @@ Makefile.in
 a+
 apt+
 audio
+brotli
 deb
 deba
 debd

src/vfs/extfs/helpers/Makefile.am

@@ -11,6 +11,7 @@ EXTFS_IN    = 			\
 	a+.in			\
 	apt+.in			\
 	audio.in		\
+	brotli.in		\
 	deb.in			\
 	deba.in			\
 	debd.in			\
@@ -45,6 +46,7 @@ EXTFS_OUT = 			\
 	a+			\
 	apt+			\
 	audio			\
+	brotli          \
 	deb			\
 	deba			\
 	debd			\

src/vfs/extfs/helpers/brotli.in

@@ -0,0 +1,56 @@
+#! /bin/sh
+# Midnight Commander - Brotli support
+#
+# Written by:
+#  Vadim Kalinnikov <[email protected]>,
+#
+# This file is part of the Midnight Commander.
+#
+# It required brotli: https://github.com/google/brotli
+# On Debian/Ubuntu brotli can be installed via:
+# apt install brotli
+
+command -v brotli >/dev/null 2>&1 || exit 1
+BROTLI=$(command -v brotli 2>/dev/null)
+AWK=@AWK@
+
+[ -n "$2" ] || exit 1
+
+ACTION=$1
+BRFILENAME=$2
+
+
+br_list() {
+    BROUTFILENAME=$(basename "${BRFILENAME}" | sed -e 's/\.br$//')
+    ls -l --time-style="+%d/%m/%Y %H:%M:%S" "${BRFILENAME}" | \
+        ${AWK} -v f_name="${BROUTFILENAME}" '{
+            attr=$1;
+            uid=$2;
+            gid=$4;
+            f_size=$5;
+            t_date=$6;
+            t_time=$7;
+            printf("%s 1 %s %s %s %s %s %s\n", attr, uid, gid, f_size, t_date, t_time, f_name);
+        }'
+}
+
+br_copyout() {
+    ${BROTLI} -dck "${BRFILENAME}" > "${FILENAMEDST}"
+}
+
+case "$ACTION" in
+	list)
+		br_list
+	;;
+	
+	copyout)
+		[ -n "$4" ] || exit 1
+		FILENAMEDST="$4"
+		br_copyout
+	;;
+	
+	*)
+		exit 1
+	;;
+esac
+