test: StGit branch config handling

Ensure that the StGit and branch specific config section is being handled
correctly for `stg branch --rename`, `--delete`, and `--cleanup`.

Author: jpgrayson

t/t1001-branch-rename.sh

@@ -120,4 +120,14 @@ test_expect_success \
     grep "The value .bop. was provided to .* but it wasn.t expecting any more values" err
     '
 
+test_expect_success \
+    'Config section is renamed' '
+    _assert_current_branch_name "xxx"
+    git config --local branch.xxx.stgit.autostash true &&
+    stg branch --rename yyy &&
+    _assert_branch_exists yyy &&
+    git config branch.yyy.stgit.autostash &&
+    ! git config --get-regexp "branch\\.xxx\\."
+'
+
 test_done

t/t1005-branch-delete.sh

@@ -4,11 +4,12 @@ test_description='Attempt to delete branches'
 
 . ./test-lib.sh
 
-test_expect_success 'Initialize repo' '
+test_expect_success 'Initialize master branch' '
     stg init &&
     test_commit p0 &&
     test_commit p1 &&
-    stg uncommit -n 2
+    stg uncommit -n 2 &&
+    git config branch.master.stgit.autostash true
 '
 
 test_expect_success 'Create a branch (and switch to it)' '
@@ -29,7 +30,9 @@ test_expect_success 'Make sure the branch ref was deleted' '
     '
 
 test_expect_success 'Make sure the branch config was deleted' '
-    [ -z "$(git config -l | grep branch\\.master | tee /dev/stderr)" ]
+    [ -z "$(git config -l | grep branch\\.master | tee /dev/stderr)" ] &&
+    [ -z "$(git config -l | grep branch\\.master\\.stgit | tee /dev/stderr)" ] &&
+    test_expect_code 128 git config --remove-section branch.master.stgit
     '
 
 test_expect_success 'Make sure the branch files were deleted' '

t/t1006-branch-cleanup.sh

@@ -36,7 +36,8 @@ test_expect_success 'Force cleanup branch with patches' '
     test "$(stg series --noprefix --all)" = "" &&
     command_error stg new -m p1 2>err &&
     grep "Branch \`foo2\` not initialized" err &&
-    test_expect_code 1 git config --get-regexp branch\\.foo2\\.stgit
+    test_expect_code 1 git config --get-regexp branch\\.foo2\\.stgit &&
+    test_expect_code 128 git config --remove-section branch.foo2.stgit
 '
 
 test_expect_success 'Commit patches' '