[PATCH/RFC] test-lib: add support for colors without tput

For platforms that does not have tput we can still perform coloring
by manually emitting the ANSI control codes. If tput is missing from
$PATH, install a replacement function.

The exact strings has been dumped from a machine that has tput, by
piping the output of tput through 'od -c -An'.

Signed-off-by: Erik Faye-Lund <redacted>
---

I got slightly annoyed that we didn't get colored output from the
tests on Windows, so I decided to fix it.

Hopefully other platforms can benefit from this as well.

I'm not super happy with the condition to enable it. I considered
an environment variable as well, but decided against it because
"make -C t" from the root does not seem to pick up environment
variables configured in the main Makefile.

Thoughts?

 t/test-lib.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/t/test-lib.sh b/t/test-lib.sh
index 78c4286..7d1b34b 100644
--- a/t/test-lib.sh
+++ b/t/test-lib.sh

@@ -129,6 +129,20 @@ export _x05 _x40 _z40 LF
 # This test checks if command xyzzy does the right thing...
 # '
 # . ./test-lib.sh
+
+if ! which tput > /dev/null ; then
+	tput () {
+		case "$1" in
+		bold)
+			echo -ne "\033[1m" ;;
+		setaf)
+			echo -ne "\033[0;3$2m" ;;
+		sgr0)
+			echo -ne "\033(\033[m" ;;
+		esac
+	}
+fi
+
 [ "x$ORIGINAL_TERM" != "xdumb" ] && (
 		TERM=$ORIGINAL_TERM &&
 		export TERM &&

-- 
1.7.11.msysgit.0.5.g0225efe.dirty

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