'Misfeature' fix for eval function - make it force job control when in interactive mode, in order to make commands that expect to control the terminal happy

darcs-hash:20071006102326-75c98-b168d709d54edb21c478ec2d69420468a2c08da1.gz

1 files changed, 22 insertions, 0 deletions

diff --git a/share/functions/eval.fish b/share/functions/eval.fish
index f54dee69..34c4e3aa 100644
--- a/share/functions/eval.fish
+++ b/share/functions/eval.fish
@@ -1,4 +1,26 @@
 
 function eval -S -d "Evaluate parameters as a command"
+
+	# If we are in an interactive shell, eval should enable full
+	# job control since it should behave like the real code was
+	# executed.  If we don't do this, commands that expect to be
+	# used interactively, like less, wont work using eval.
+
+	set -l mode
+	if status --is-interactive-job-control
+		set mode interactive
+	else
+		if status --is-full-job-control
+			set mode full
+		else
+			set mode none
+		end
+	end
+	if status --is-interactive
+		status --job-control full
+	end
+
 	echo begin\; $argv \;end eval2_inner \<\&3 3\<\&- | . 3<&0
+
+	status --job-control $mode
 end