From f09e6dba2f8b9b6c9d3cf190556210979b333ef0 Mon Sep 17 00:00:00 2001
From: Stephen Rothwell <sfr@canb.auug.org.au>
Date: Fri, 10 May 2013 10:47:55 +1000
Subject: [PATCH] do a build after mergeing akpm-current

---
 merge_akpm | 50 ++++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 42 insertions(+), 8 deletions(-)

diff --git a/merge_akpm b/merge_akpm
index e09625d..aa4e984 100755
--- a/merge_akpm
+++ b/merge_akpm
@@ -46,6 +46,7 @@ git branch -f akpm-current/current akpm/current
 
 git branch -f akpm/base HEAD
 
+old_head=$(git rev-parse HEAD)
 hlog=$(git log -1 --oneline akpm-current/current) 2>/dev/null
 log Merging akpm-current/current "($hlog)"
 execute git merge akpm-current/current || {
@@ -60,6 +61,33 @@ execute git merge akpm-current/current || {
 }
 printf "%s\t%s\n" akpm-current $(git show-ref --hash akpm-current/current) >> $SHA1_FILE
 
+[ -f "../merge-fixes/akpm-current" ] && {
+	for p in $(cat "../merge-fixes/akpm-current"); do
+		$(dirname $0)/merge_fix -n "$p" || {
+			bash -i || exit
+		}
+	done
+}
+[ -x "../pre-build/akpm-current" ] && {
+	"../pre-build/akpm-current" || bash -i || exit
+}
+
+new_head=$(git rev-parse HEAD)
+
+$no_build ||
+	[ "$old_head" = "$new_head" ] ||
+	[ "$(git diff ${old_head}.. | wc -c)" -eq 0 ] || {
+
+	git push -f "$build_host":"$build_dir" master:refs/heads/next || {
+		echo git push failed 1>&2
+		bash -i || exit
+	}
+	ssh "$build_host" "$build_cmd" || {
+		echo Build failed 1>&2
+		bash -i || exit
+	}
+}
+
 execute git clone -s -l -n -q . ../rebase-tmp || {
 	echo Clone failed 1>&2
 	bash -i || exit
@@ -86,6 +114,7 @@ execute rm -rf ../rebase-tmp
 
 git branch -f akpm/master-base HEAD
 
+old_head=$(git rev-parse HEAD)
 log Merging akpm/master '('$(git log -1 --oneline akpm/master)')'
 execute git merge --no-ff akpm/master || {
 	echo Merge failed 1>&2
@@ -104,15 +133,20 @@ printf "%s\t\t%s\n" akpm $(git show-ref --hash akpm/master) >> $SHA1_FILE
 	"../pre-build/akpm" || bash -i || exit
 }
 
-$no_build && exit 0
+new_head=$(git rev-parse HEAD)
 
-git push -f "$build_host":"$build_dir" master:refs/heads/next || {
-	echo git push failed 1>&2
-	bash -i || exit
-}
-ssh "$build_host" "$build_cmd" || {
-	echo Build failed 1>&2
-	bash -i || exit
+$no_build ||
+	[ "$old_head" = "$new_head" ] ||
+	[ "$(git diff ${old_head}.. | wc -c)" -eq 0 ] || {
+
+	git push -f "$build_host":"$build_dir" master:refs/heads/next || {
+		echo git push failed 1>&2
+		bash -i || exit
+	}
+	ssh "$build_host" "$build_cmd" || {
+		echo Build failed 1>&2
+		bash -i || exit
+	}
 }
 
 exit 0
-- 
2.39.2