From 4fa8ed59a182501166aa038757bf4e2438765da5 Mon Sep 17 00:00:00 2001
From: =?utf8?q?Uwe=20Kleine-K=C3=B6nig?= <u.kleine-koenig@pengutronix.de>
Date: Fri, 19 Dec 2008 23:21:48 +0100
Subject: [PATCH] tg export (quilt): Implement numbering the patches
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To ease sending patches, with --numbered each patch gets a number prefix
similar to the output of git format-patch.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: martin f. krafft <madduck@debian.org>
---
 README       |  4 +++-
 tg-export.sh | 21 ++++++++++++++++++---
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/README b/README
index 0b1800e..1d38365 100644
--- a/README
+++ b/README
@@ -413,7 +413,9 @@ tg export
 	branch.  So usually they end up in subdirectories of the output
 	directory.  With option '--flatten' the names are mangled such that
 	they end up directly in the output dir (i.e. slashed are substituted by
-	underscores).
+	underscores).  With '--numbered' (which implies '--flatten') the patch
+	names get a number as prefix to allow getting the order without
+	consulting the series file, which eases sending out the patches.
 
 	Usage: tg export ([--collapse] BRANCH | --quilt DIR)
 
diff --git a/tg-export.sh b/tg-export.sh
index b367aaf..9e6940f 100644
--- a/tg-export.sh
+++ b/tg-export.sh
@@ -8,6 +8,7 @@ branches=
 output=
 driver=collapse
 flatten=false
+numbered=false
 
 
 ## Parse options
@@ -19,6 +20,9 @@ while [ -n "$1" ]; do
 		branches="$1"; shift;;
 	--flatten)
 		flatten=true;;
+	--numbered)
+		flatten=true;
+		numbered=true;;
 	--quilt)
 		driver=quilt;;
 	--collapse)
@@ -37,6 +41,9 @@ done
 [ -z "$branches" -o "$driver" = "quilt" ] ||
 	die "-b works only with the quilt driver"
 
+[ "$driver" = "quilt" ] || ! "$numbered" ||
+	die "--numbered works only with the quilt driver";
+
 [ "$driver" = "quilt" ] || ! "$flatten" ||
 	die "--flatten works only with the quilt driver"
 
@@ -155,18 +162,26 @@ quilt()
 		fi;
 	fi;
 
-	filename="$output/$dn$bn";
-	if [ -e "$filename" ]; then
+	if [ -e "$playground/$_dep" ]; then
 		# We've already seen this dep
 		return
 	fi
 
+	mkdir -p "$playground/$(dirname "$_dep")";
+	touch "$playground/$_dep";
+
 	if branch_empty "$_dep"; then
 		echo "Skip empty patch $_dep";
 	else
+		if "$numbered"; then
+			number="$(printf "%04u" $(($(cat "$playground/^number" 2>/dev/null) + 1)))";
+			bn="$number-$bn";
+			echo "$number" >"$playground/^number";
+		fi;
+
 		echo "Exporting $_dep"
 		mkdir -p "$output/$dn";
-		$tg patch "$_dep" >"$filename"
+		$tg patch "$_dep" >"$output/$dn$bn"
 		echo "$dn$bn -p1" >>"$output/series"
 	fi
 }
-- 
2.30.2