Tests for unicode chars in lines with results

When in the same line as the result, unicode characters are causing
issues. The result selection is often misplaced by a couple characters
(because unicode characters are often multi-byte).

Using `gawk` fixes the issue.

Author: Bruno Sutic

test/test_url_search.exp

@@ -127,6 +127,17 @@ tmux_ctrl_u
 next_match
 assert_highlighted "http://example112.com" "2 matches on the same line, second match"
 
+# works ok even with unicode characters in the line (requires gawk to be installed)
+#--------------------------------------------------
+new_tmux_pane
+display_text "Ξ ~CM_CONF_DIR → curl http://www.google.com"
+tmux_ctrl_u
+assert_highlighted "http://www.google.com" "match on the line with unicode characters"
+
+display_text "↑127 ~CM_CONF_DIR → echo http://www.google.com"
+tmux_ctrl_u
+assert_highlighted "http://www.google.com" "another match on the line with unicode characters"
+
 # no match, first and last match
 #-------------------------------
 new_tmux_pane

vagrant_centos_provisioning.sh

@@ -12,7 +12,7 @@ chown -R vagrant:vagrant /home/vagrant/.irbrc
 sudo su -
 
 yum -y install gcc kernel-devel make ncurses-devel
-yum -y install git-core expect vim ruby ruby-devel ruby-irb
+yum -y install git-core expect vim gawk ruby ruby-devel ruby-irb
 
 # download tmux and libevent
 mkdir ~/downloads && cd ~/downloads

vagrant_ubuntu_provisioning.sh

@@ -7,7 +7,7 @@ echo 'IRB.conf[:PROMPT_MODE] = :SIMPLE' >> /home/vagrant/.irbrc
 chown -R vagrant:vagrant /home/vagrant/.irbrc
 
 sudo apt-get update
-sudo apt-get install -y git-core expect vim
+sudo apt-get install -y git-core expect vim gawk
 sudo apt-get install -y python-software-properties software-properties-common
 
 # install latest Tmux 1.9a