From 0b8ef4d8289fa1af0296ae01faf0e60293c725fd Mon Sep 17 00:00:00 2001
From: Karel Zak <kzak@redhat.com>
Date: Wed, 22 Mar 2017 12:13:43 +0100
Subject: [PATCH] zramctl: add bash completion

Addresses: https://bugzilla.redhat.com/show_bug.cgi?id=1358755
Signed-off-by: Karel Zak <kzak@redhat.com>
---
 bash-completion/Makemodule.am |  3 ++-
 bash-completion/zramctl       | 57 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 59 insertions(+), 1 deletion(-)
 create mode 100644 bash-completion/zramctl

diff --git a/bash-completion/Makemodule.am b/bash-completion/Makemodule.am
index c3791e7..84ab258 100644
--- a/bash-completion/Makemodule.am
+++ b/bash-completion/Makemodule.am
@@ -30,7 +30,8 @@ dist_bashcompletion_DATA = \
 	bash-completion/setsid \
 	bash-completion/tailf \
 	bash-completion/whereis \
-	bash-completion/wipefs
+	bash-completion/wipefs \
+	bash-completion/zramctl
 
 # disk-utils...
 if BUILD_BFS
diff --git a/bash-completion/zramctl b/bash-completion/zramctl
new file mode 100644
index 0000000..a4ef536
--- /dev/null
+++ b/bash-completion/zramctl
@@ -0,0 +1,57 @@
+_zramctl_module()
+{
+	local cur prev OPTS
+	COMPREPLY=()
+	cur="${COMP_WORDS[COMP_CWORD]}"
+	prev="${COMP_WORDS[COMP_CWORD-1]}"
+	case $prev in
+		'-a'|'--algorithm')
+			COMPREPLY=( $(compgen -W "lzo lz4" -- $cur) )
+			return 0
+			;;
+		'-o'|'--output')
+			local prefix realcur OUTPUT_ALL OUTPUT
+			realcur="${cur##*,}"
+			prefix="${cur%$realcur}"
+			OUTPUT_ALL="NAME DISKSIZE DATA COMPR ALGORITHM STREAMS ZERO-PAGES TOTAL MOUNTPOINT"
+			for WORD in $OUTPUT_ALL; do
+				if ! [[ $prefix == *"$WORD"* ]]; then
+					OUTPUT="$WORD $OUTPUT"
+				fi
+			done
+			compopt -o nospace
+			COMPREPLY=( $(compgen -P "$prefix" -W "$OUTPUT" -S ',' -- $realcur) )
+			return 0
+			;;
+		'-s'|'--size')
+			COMPREPLY=( $(compgen -W "size" -- $cur) )
+			return 0
+			;;
+		'-t'|'--streams')
+			COMPREPLY=( $(compgen -W "number" -- $cur) )
+			return 0
+			;;
+	esac
+	case $cur in
+		-*)
+			OPTS="	--algorithm
+				--bytes
+				--find
+				--noheadings
+				--output
+				--raw
+				--reset
+				--size
+				--streams
+				--help
+				--version"
+			COMPREPLY=( $(compgen -W "${OPTS[*]}" -- $cur) )
+			return 0
+			;;
+	esac
+	local IFS=$'\n'
+	compopt -o filenames
+	COMPREPLY=( $(compgen -f -- ${cur:-"/dev/zram"}) )
+	return 0
+}
+complete -F _zramctl_module zramctl
-- 
2.9.3