Merge pull request #164 from sindresorhus/set-title-function

Deduplicate code by creating a set_title function

pure.zsh

@@ -84,17 +84,26 @@ prompt_pure_check_git_arrows() {
 	[[ -n $arrows ]] && prompt_pure_git_arrows=" ${arrows}"
 }
 
+prompt_pure_set_title() {
+	# tell the terminal we are setting the title
+	print -n '\e]0;'
+	# show hostname if connected through ssh
+	[[ -n $SSH_CONNECTION ]] && print -Pn '(%m) '
+	case $1 in
+		expand-prompt)
+			print -Pn $2;;
+		ignore-escape)
+			print -rn $2;;
+	esac
+	# end set title
+	print -n '\a'
+}
+
 prompt_pure_preexec() {
 	prompt_pure_cmd_timestamp=$EPOCHSECONDS
 
-	# tell the terminal we are setting the title
+	# shows the current dir and executed command in the title while a process is active
-	print -Pn "\e]0;"
+	prompt_pure_set_title 'ignore-escape' "$PWD:t: $2"
-	# show hostname if connected through ssh
-	[[ "$SSH_CONNECTION" != '' ]] && print -Pn "(%m) "
-	# shows the current dir and executed command in the title when a process is active
-	# (use print -r to disable potential evaluation of escape characters in cmd)
-	print -nr "$PWD:t: $2"
-	print -Pn "\a"
 }
 
 # string length ignoring ansi escapes
@@ -190,12 +199,8 @@ prompt_pure_precmd() {
 	# check for git arrows
 	prompt_pure_check_git_arrows
 
-	# tell the terminal we are setting the title
-	print -Pn "\e]0;"
-	# show hostname if connected through ssh
-	[[ "$SSH_CONNECTION" != '' ]] && print -Pn "(%m) "
 	# shows the full path in the title
-	print -Pn "%~\a"
+	prompt_pure_set_title 'expand-prompt' '%~'
 
 	# get vcs info
 	vcs_info