From 5d228058533fa5c3631f072f2a94eb4a63264433 Mon Sep 17 00:00:00 2001
From: "T. Joseph Carter" <iKarith@users.noreply.github.com>
Date: Sun, 5 Apr 2015 22:21:28 -0700
Subject: [PATCH] Logging changes

---
 script-modules/log.sh  | 62 +++++++++++++++++++++++++++++++++++++-----
 script-modules/util.sh |  6 ----
 2 files changed, 55 insertions(+), 13 deletions(-)

diff --git a/script-modules/log.sh b/script-modules/log.sh
index acec92dd..07a57477 100644
--- a/script-modules/log.sh
+++ b/script-modules/log.sh
@@ -4,19 +4,33 @@ color() {
 	[ -n "$use_color" ] && echo -n "[0;${1:-0}m"
 }
 
-lecho() {
-	if [ -n "$LIBRETRO_LOG_SUPER" ]; then
-		echo "$@" >> $log_super
-	fi
+secho() {
+	echo "$@"
+	[ -n "$log_file_only" ] && echo "$@" >&6
 }
 
+lecho() {
+	[ -n "$LIBRETRO_LOG_SUPER" ] && echo "$@" >> $log_super
+}
+
+lsecho() {
+	echo "$@"
+	[ -n "$log_file_only" ] && echo "$@" >&6
+	[ -n "$LIBRETRO_LOG_SUPER" ] && echo "$@" >> $log_super
+}
+
+echo_cmd() {
+	eval 'echo "$@"'
+	eval "$@"
+	return $?
+}
 
 LIBRETRO_LOG_DIR="${LIBRETRO_LOG_DIR:-$WORKDIR/log}"
-LIBRETRO_LOG_CORE="${LIBRETRO_LOG_CORE:-%s.log}"
+LIBRETRO_LOG_MODULE="${LIBRETRO_LOG_MODULE:-%s.log}"
 LIBRETRO_LOG_SUPER="${LIBRETRO_LOG_SUPER:-libretro-super.log}"
 
 libretro_log_init() {
-	if [ -z "$LIBRETRO_LOG_SUPER" -a -z "$LIBRETRO_LOG_CORE" ]; then
+	if [ -z "$LIBRETRO_LOG_SUPER" -a -z "$LIBRETRO_LOG_MODULE" ]; then
 		return
 	fi
 
@@ -24,9 +38,43 @@ libretro_log_init() {
 
 	if [ -n "$LIBRETRO_LOG_SUPER" ]; then
 		log_super="$LIBRETRO_LOG_DIR/$LIBRETRO_LOG_SUPER"
+		# Redirecting : avoids dependency on trunc(1)
 		[ -z "$LIBRETRO_LOG_APPEND" ] && : > $log_super
 	fi
-	# Core log can't be truncated here
+	# Module logs are truncated as they're opened in log_module_start
+}
+
+log_module_start() {
+	if [ -n "$LIBRETRO_LOG_MODULE" ]; then
+		printf -v log_module "$LIBRETRO_LOG_DIR/$LIBRETRO_LOG_MODULE" "$1"
+
+		# Save stdout and stderr to fds 6 and 7
+		exec 6>&1 7>&2
+
+		# Redirecting : avoids dependency on trunc(1)
+		[ -z "$LIBRETRO_LOG_APPEND" ] && : > $log_module
+
+		# Output to screen and logfile in developer mode (if possible)
+		if [[ -n "$LIBRETRO_DEVELOPER" && -n "${log_tee:=$(find_tool "tee")}" ]]; then
+			exec > >($log_tee -a $log_module) 2>&1
+		else
+			exec >> $log_module 2>&1
+			log_file_only=1
+		fi
+	fi
+}
+
+log_module_stop() {
+	if [ -n "$1" ]; then
+		# There's a reason we're stopping
+		lsecho "$@"
+	fi
+	if [ -n "$LIBRETRO_LOG_MODULE" ]; then
+		# Restore stdout/stderr and close our copies
+		exec 1>&6 2>&7 6>&- 7>&-
+		log_file_only=""
+	fi
+	lsecho ""
 }
 
 # TODO: Move this into libretro_log_init once libretro-fetch is fixed
diff --git a/script-modules/util.sh b/script-modules/util.sh
index 8305a1af..86de28a6 100644
--- a/script-modules/util.sh
+++ b/script-modules/util.sh
@@ -1,11 +1,5 @@
 # vim: set ts=3 sw=3 noet ft=sh : bash
 
-echo_cmd() {
-	eval 'echo "$@"'
-	eval "$@"
-	return $?
-}
-
 # Lets us avoid use of wc
 numwords() {
 	echo "$#"