git svn: cleanup t9138-multiple-branches

Using the "svn_cmd" wrapper instead of "svn" alone allows tests
to run consistently for users with customized
~/.subversion/configs.  Additionally, using subshells via
"(cd ...)" allow cleaner and less error-prone tests to
be written.

[ew: expanded commit message]

Signed-off-by: Marc Branchaud <marcnarc@xiplink.com>
Acked-by: Eric Wong <normalperson@yhbt.net>

t/t9138-git-svn-multiple-branches.sh

@@ -14,58 +14,58 @@ test_expect_success 'setup svnrepo' '
 		project/tags_A \
 		project/tags_B &&
 	echo 1 > project/trunk/a.file &&
-	svn import -m "$test_description" project "$svnrepo/project" &&
+	svn_cmd import -m "$test_description" project "$svnrepo/project" &&
 	rm -rf project &&
-	svn cp -m "Branch 1" "$svnrepo/project/trunk" \
-			     "$svnrepo/project/b_one/first" &&
-	svn cp -m "Tag 1" "$svnrepo/project/trunk" \
-			  "$svnrepo/project/tags_A/1.0" &&
-	svn co "$svnrepo/project" svn_project &&
-	cd svn_project &&
+	svn_cmd cp -m "Branch 1" "$svnrepo/project/trunk" \
+				 "$svnrepo/project/b_one/first" &&
+	svn_cmd cp -m "Tag 1" "$svnrepo/project/trunk" \
+			      "$svnrepo/project/tags_A/1.0" &&
+	svn_cmd co "$svnrepo/project" svn_project &&
+	( cd svn_project &&
 		echo 2 > trunk/a.file &&
-		svn ci -m "Change 1" trunk/a.file &&
-		svn cp -m "Branch 2" "$svnrepo/project/trunk" \
-				     "$svnrepo/project/b_one/second" &&
-		svn cp -m "Tag 2" "$svnrepo/project/trunk" \
-				  "$svnrepo/project/tags_A/2.0" &&
+		svn_cmd ci -m "Change 1" trunk/a.file &&
+		svn_cmd cp -m "Branch 2" "$svnrepo/project/trunk" \
+					 "$svnrepo/project/b_one/second" &&
+		svn_cmd cp -m "Tag 2" "$svnrepo/project/trunk" \
+				      "$svnrepo/project/tags_A/2.0" &&
 		echo 3 > trunk/a.file &&
-		svn ci -m "Change 2" trunk/a.file &&
-		svn cp -m "Branch 3" "$svnrepo/project/trunk" \
-				     "$svnrepo/project/b_two/1" &&
-		svn cp -m "Tag 3" "$svnrepo/project/trunk" \
-				  "$svnrepo/project/tags_A/3.0" &&
+		svn_cmd ci -m "Change 2" trunk/a.file &&
+		svn_cmd cp -m "Branch 3" "$svnrepo/project/trunk" \
+					 "$svnrepo/project/b_two/1" &&
+		svn_cmd cp -m "Tag 3" "$svnrepo/project/trunk" \
+				      "$svnrepo/project/tags_A/3.0" &&
 		echo 4 > trunk/a.file &&
-		svn ci -m "Change 3" trunk/a.file &&
-		svn cp -m "Branch 4" "$svnrepo/project/trunk" \
-				     "$svnrepo/project/b_two/2" &&
-		svn cp -m "Tag 4" "$svnrepo/project/trunk" \
-				  "$svnrepo/project/tags_A/4.0" &&
-		svn up &&
+		svn_cmd ci -m "Change 3" trunk/a.file &&
+		svn_cmd cp -m "Branch 4" "$svnrepo/project/trunk" \
+					 "$svnrepo/project/b_two/2" &&
+		svn_cmd cp -m "Tag 4" "$svnrepo/project/trunk" \
+				      "$svnrepo/project/tags_A/4.0" &&
+		svn_cmd up &&
 		echo 5 > b_one/first/a.file &&
-		svn ci -m "Change 4" b_one/first/a.file &&
-		svn cp -m "Tag 5" "$svnrepo/project/b_one/first" \
-				  "$svnrepo/project/tags_B/v5" &&
+		svn_cmd ci -m "Change 4" b_one/first/a.file &&
+		svn_cmd cp -m "Tag 5" "$svnrepo/project/b_one/first" \
+				      "$svnrepo/project/tags_B/v5" &&
 		echo 6 > b_one/second/a.file &&
-		svn ci -m "Change 5" b_one/second/a.file &&
-		svn cp -m "Tag 6" "$svnrepo/project/b_one/second" \
-				  "$svnrepo/project/tags_B/v6" &&
+		svn_cmd ci -m "Change 5" b_one/second/a.file &&
+		svn_cmd cp -m "Tag 6" "$svnrepo/project/b_one/second" \
+				      "$svnrepo/project/tags_B/v6" &&
 		echo 7 > b_two/1/a.file &&
-		svn ci -m "Change 6" b_two/1/a.file &&
-		svn cp -m "Tag 7" "$svnrepo/project/b_two/1" \
-				  "$svnrepo/project/tags_B/v7" &&
+		svn_cmd ci -m "Change 6" b_two/1/a.file &&
+		svn_cmd cp -m "Tag 7" "$svnrepo/project/b_two/1" \
+				      "$svnrepo/project/tags_B/v7" &&
 		echo 8 > b_two/2/a.file &&
-		svn ci -m "Change 7" b_two/2/a.file &&
-		svn cp -m "Tag 8" "$svnrepo/project/b_two/2" \
-				  "$svnrepo/project/tags_B/v8" &&
-	cd ..
-	'
+		svn_cmd ci -m "Change 7" b_two/2/a.file &&
+		svn_cmd cp -m "Tag 8" "$svnrepo/project/b_two/2" \
+				      "$svnrepo/project/tags_B/v8"
+	)
+'
 
 test_expect_success 'clone multiple branch and tag paths' '
 	git svn clone -T trunk \
 		      -b b_one/* --branches b_two/* \
 		      -t tags_A/* --tags tags_B \
 		      "$svnrepo/project" git_project &&
-	cd git_project &&
+	( cd git_project &&
 		git rev-parse refs/remotes/first &&
 		git rev-parse refs/remotes/second &&
 		git rev-parse refs/remotes/1 &&
@@ -77,37 +77,46 @@ test_expect_success 'clone multiple branch and tag paths' '
 		git rev-parse refs/remotes/tags/v5 &&
 		git rev-parse refs/remotes/tags/v6 &&
 		git rev-parse refs/remotes/tags/v7 &&
-		git rev-parse refs/remotes/tags/v8 &&
-	cd ..
-	'
+		git rev-parse refs/remotes/tags/v8
+	)
+'
 
 test_expect_success 'Multiple branch or tag paths require -d' '
-	cd git_project &&
+	( cd git_project &&
 		test_must_fail git svn branch -m "No new branch" Nope &&
 		test_must_fail git svn tag -m "No new tag" Tagless &&
 		test_must_fail git rev-parse refs/remotes/Nope &&
-		test_must_fail git rev-parse refs/remotes/tags/Tagless &&
-	cd ../svn_project &&
-		svn up &&
+		test_must_fail git rev-parse refs/remotes/tags/Tagless
+	) &&
+	( cd svn_project &&
+		svn_cmd up &&
 		test_must_fail test -d b_one/Nope &&
 		test_must_fail test -d b_two/Nope &&
 		test_must_fail test -d tags_A/Tagless &&
-		test_must_fail test -d tags_B/Tagless &&
-	cd ..
-	'
+		test_must_fail test -d tags_B/Tagless
+	)
+'
 
 test_expect_success 'create new branches and tags' '
-	( cd git_project && git svn branch -m "New branch 1" -d project/b_one New1 ) &&
-	( cd svn_project && svn up && test -e b_one/New1/a.file ) &&
+	( cd git_project &&
+		git svn branch -m "New branch 1" -d project/b_one New1 ) &&
+	( cd svn_project &&
+		svn_cmd up && test -e b_one/New1/a.file ) &&
 
-	( cd git_project && git svn branch -m "New branch 2" -d project/b_two New2 ) &&
-	( cd svn_project && svn up && test -e b_two/New2/a.file ) &&
+	( cd git_project &&
+		git svn branch -m "New branch 2" -d project/b_two New2 ) &&
+	( cd svn_project &&
+		svn_cmd up && test -e b_two/New2/a.file ) &&
 
-	( cd git_project && git svn branch -t -m "New tag 1" -d project/tags_A Tag1 ) &&
-	( cd svn_project && svn up && test -e tags_A/Tag1/a.file )
+	( cd git_project &&
+		git svn branch -t -m "New tag 1" -d project/tags_A Tag1 ) &&
+	( cd svn_project &&
+		svn_cmd up && test -e tags_A/Tag1/a.file ) &&
 
-	( cd git_project && git svn tag -m "New tag 2" -d project/tags_B Tag2 ) &&
-	( cd svn_project && svn up && test -e tags_B/Tag2/a.file )
-	'
+	( cd git_project &&
+		git svn tag -m "New tag 2" -d project/tags_B Tag2 ) &&
+	( cd svn_project &&
+		svn_cmd up && test -e tags_B/Tag2/a.file )
+'
 
 test_done