[PATCH] clip: Add support for wl-clipboard

[Brett Cornwall]

---
 README                |  4 +++-
 man/pass.1            |  5 +++++
 src/password-store.sh | 26 +++++++++++++++++++++-----
 3 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/README b/README
index 6b59965..1a46242 100644
--- a/README
+++ b/README
@@ -19,8 +19,10 @@ Depends on:
   http://www.gnupg.org/
 - git
   http://www.git-scm.com/
-- xclip
+- xclip (for X11 environments)
   http://sourceforge.net/projects/xclip/
+- wl-clipboard (for wlroots Wayland-based environments)
+  https://github.com/bugaevc/wl-clipboard
 - tree >= 1.7.0
   http://mama.indstate.edu/users/ice/tree/
 - GNU getopt
diff --git a/man/pass.1 b/man/pass.1
index 01a3fbe..a555dcb 100644
--- a/man/pass.1
+++ b/man/pass.1
@@ -99,6 +99,8 @@ Decrypt and print a password named \fIpass-name\fP. If \fI--clip\fP or \fI-c\fP
 is specified, do not print the password but instead copy the first (or otherwise specified)
 line to the clipboard using
 .BR xclip (1)
+or
+.BR wl-clipboard(1)
 and then restore the clipboard after 45 (or \fIPASSWORD_STORE_CLIP_TIME\fP) seconds. If \fI--qrcode\fP
 or \fI-q\fP is specified, do not print the password but instead display a QR code using
 .BR qrencode (1)
@@ -132,6 +134,8 @@ in generating passwords can be changed with the \fIPASSWORD_STORE_CHARACTER_SET\
 If \fI--clip\fP or \fI-c\fP is specified, do not print the password but instead copy
 it to the clipboard using
 .BR xclip (1)
+or
+.BR wl-clipboard(1)
 and then restore the clipboard after 45 (or \fIPASSWORD_STORE_CLIP_TIME\fP) seconds. If \fI--qrcode\fP
 or \fI-q\fP is specified, do not print the password but instead display a QR code using
 .BR qrencode (1)
@@ -466,6 +470,7 @@ The location of the text editor used by \fBedit\fP.
 .BR tr (1),
 .BR git (1),
 .BR xclip (1),
+.BR wl-clipboard (1),
 .BR qrencode (1).
 
 .SH AUTHOR
diff --git a/src/password-store.sh b/src/password-store.sh
index d89d455..284eabf 100755
--- a/src/password-store.sh
+++ b/src/password-store.sh
@@ -152,16 +152,32 @@ check_sneaky_paths() {
 #
 
 clip() {
+	if [[ -n $WAYLAND_DISPLAY ]]; then
+		local copy_cmd=( wl-copy )
+		local paste_cmd=( wl-paste -n )
+		if [[ $X_SELECTION == primary ]]; then
+			copy_cmd+=( --primary )
+			paste_cmd+=( --primary )
+		fi
+		local display_name="$WAYLAND_DISPLAY"
+	elif [[ -n $DISPLAY ]]; then
+		local copy_cmd=( xclip -selection "$X_SELECTION" )
+		local paste_cmd=( xclip -o -selection "$X_SELECTION" )
+		local display_name="$DISPLAY"
+	else
+		die "Error: No X11 or Wayland display detected"
+	fi
+	local sleep_argv0="password store sleep on display $display_name"
+
 	# This base64 business is because bash cannot store binary data in a shell
 	# variable. Specifically, it cannot store nulls nor (non-trivally) store
 	# trailing new lines.
-	local sleep_argv0="password store sleep on display $DISPLAY"
 	pkill -f "^$sleep_argv0" 2>/dev/null && sleep 0.5
-	local before="$(xclip -o -selection "$X_SELECTION" 2>/dev/null | $BASE64)"
-	echo -n "$1" | xclip -selection "$X_SELECTION" || die "Error: Could not copy data to the clipboard"
+	local before="$("${paste_cmd[@]}" 2>/dev/null | $BASE64)"
+	echo -n "$1" | "${copy_cmd[@]}" || die "Error: Could not copy data to the clipboard"
 	(
 		( exec -a "$sleep_argv0" bash <<<"trap 'kill %1' TERM; sleep '$CLIP_TIME' & wait" )
-		local now="$(xclip -o -selection "$X_SELECTION" | $BASE64)"
+		local now="$("${paste_cmd[@]}" | $BASE64)"
 		[[ $now != $(echo -n "$1" | $BASE64) ]] && before="$now"
 
 		# It might be nice to programatically check to see if klipper exists,
@@ -173,7 +189,7 @@ clip() {
 		# so we axe it here:
 		qdbus org.kde.klipper /klipper org.kde.klipper.klipper.clearClipboardHistory &>/dev/null
 
-		echo "$before" | $BASE64 -d | xclip -selection "$X_SELECTION"
+		echo "$before" | $BASE64 -d | "${copy_cmd[@]}"
 	) >/dev/null 2>&1 & disown
 	echo "Copied $2 to clipboard. Will clear in $CLIP_TIME seconds."
 }
-- 
2.21.0