git-am: add am.threeWay config variable

Add the am.threeWay configuration variable to use the -3 or --3way
option of git am by default. When am.threeway is set and not desired
for a specific git am command, the --no-3way option can be used to
override it.

Signed-off-by: Remi Lespinet <remi.lespinet@ensimag.grenoble-inp.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/git-am.sh b/git-am.sh
index 4696998d4e..ab8479eb45 100755
--- a/git-am.sh
+++ b/git-am.sh
@@ -390,6 +390,11 @@ then
     keepcr=t
 fi
 
+if test "$(git config --bool --get am.threeWay)" = true
+then
+    threeway=t
+fi
+
 while test $# != 0
 do
 	case "$1" in
@@ -401,6 +406,8 @@ it will be removed. Please do not use it anymore."
 		;;
 	-3|--3way)
 		threeway=t ;;
+	--no-3way)
+		threeway=f ;;
 	-s|--signoff)
 		sign=t ;;
 	-u|--utf8)
@@ -658,6 +665,8 @@ fi
 if test "$(cat "$dotest/threeway")" = t
 then
 	threeway=t
+else
+	threeway=f
 fi
 git_apply_opt=$(cat "$dotest/apply-opt")
 if test "$(cat "$dotest/sign")" = t