Implement save command strategy: pgrep

CHANGELOG.md

@@ -3,6 +3,7 @@
 ### master
 - plugin now uses strategies when fetching pane full command. Implemented
   'default' strategy.
+- save command strategy: 'pgrep'. It's here only if fallback is needed.
 
 ### v1.3.0, 2014-09-20
 - remove dependency on `pgrep` command. Use `ps` for fetching process names.

save_command_strategies/pgrep.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+
+CURRENT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
+
+PANE_PID="$1"
+
+exit_safely_if_empty_ppid() {
+	if [ -z "$PANE_PID" ]; then
+		exit 0
+	fi
+}
+
+full_command() {
+	\pgrep -lf -P "$PANE_PID" |
+		cut -d' ' -f2-
+}
+
+main() {
+	exit_safely_if_empty_ppid
+	full_command
+}
+main