Add a 'create' helper function in test.sh.

test.sh

@@ -1,14 +1,14 @@
 #!/bin/bash -x
-create()
-{
-	for d in 1 2 3 4 5 6 7 8 9 10; do
-		echo "$1"
-	done >"$1"
-}
-
 . shellopts.sh
 set -e
 
+create()
+{
+	echo "$1" >"$1"
+	git add "$1"
+}
+
+
 rm -rf mainline subproj
 mkdir mainline subproj
 
@@ -16,25 +16,21 @@ cd subproj
 git init
 
 create sub1
-git add sub1
 git commit -m 'sub1'
 git branch sub1
 git branch -m master subproj
 
 create sub2
-git add sub2
 git commit -m 'sub2'
 git branch sub2
 
 create sub3
-git add sub3
 git commit -m 'sub3'
 git branch sub3
 
 cd ../mainline
 git init
 create main4
-git add main4
 git commit -m 'main4'
 git branch -m master mainline
 
@@ -46,15 +42,12 @@ git subtree add --prefix=subdir FETCH_HEAD
 git merge -m 'merge -s -ours' -s ours FETCH_HEAD
 
 create subdir/main-sub5
-git add subdir/main-sub5
 git commit -m 'main-sub5'
 
 create main6
-git add main6
 git commit -m 'main6 boring'
 
 create subdir/main-sub7
-git add subdir/main-sub7
 git commit -m 'main-sub7'
 
 git fetch ../subproj sub2
@@ -67,7 +60,6 @@ echo "split1={$split1}"
 git branch split1 "$split1"
 
 create subdir/main-sub8
-git add subdir/main-sub8
 git commit -m 'main-sub8'
 
 cd ../subproj
@@ -76,7 +68,6 @@ git branch split1 FETCH_HEAD
 git merge FETCH_HEAD
 
 create sub9
-git add sub9
 git commit -m 'sub9'
 
 cd ../mainline
@@ -84,7 +75,6 @@ split2=$(git subtree split --annotate='*' --prefix subdir --rejoin)
 git branch split2 "$split2"
 
 create subdir/main-sub10
-git add subdir/main-sub10
 git commit -m 'main-sub10'
 
 split3=$(git subtree split --annotate='*' --prefix subdir --rejoin)