oneway_merge(): only lstat() when told to update worktree

diff --git a/t/t1306-xdg-files.sh b/t/t1306-xdg-files.sh
index 1569596ab3beee2cecb14349f7676faa4c6ee02e..8b14ab187c5e01a27bbc4964e3ac9d89e2eb8934 100755 (executable)
--- a/t/t1306-xdg-files.sh
+++ b/t/t1306-xdg-files.sh
@@ -38,6 +38,13 @@ test_expect_success 'read with --get: xdg file exists and ~/.gitconfig doesn'\''
        test_cmp expected actual
 '
 
+test_expect_success '"$XDG_CONFIG_HOME overrides $HOME/.config/git' '
+       mkdir -p "$HOME"/xdg/git &&
+       echo "[user]name = in_xdg" >"$HOME"/xdg/git/config &&
+       echo in_xdg >expected &&
+       XDG_CONFIG_HOME="$HOME"/xdg git config --get-all user.name >actual &&
+       test_cmp expected actual
+'
 
 test_expect_success 'read with --get: xdg file exists and ~/.gitconfig exists' '
        >.gitconfig &&
@@ -80,6 +87,17 @@ test_expect_success 'Exclusion of a file in the XDG ignore file' '
        test_must_fail git add to_be_excluded
 '
 
+test_expect_success '$XDG_CONFIG_HOME overrides $HOME/.config/git/ignore' '
+       mkdir -p "$HOME"/xdg/git &&
+       echo content >excluded_by_xdg_only &&
+       echo excluded_by_xdg_only >"$HOME"/xdg/git/ignore &&
+       test_when_finished "git read-tree --empty" &&
+       (XDG_CONFIG_HOME="$HOME/xdg" &&
+        export XDG_CONFIG_HOME &&
+        git add to_be_excluded &&
+        test_must_fail git add excluded_by_xdg_only
+       )
+'
 
 test_expect_success 'Exclusion in both XDG and local ignore files' '
        echo to_be_excluded >.gitignore &&
@@ -95,6 +113,13 @@ test_expect_success 'Exclusion in a non-XDG global ignore file' '
        test_must_fail git add to_be_excluded
 '
 
+test_expect_success 'Checking XDG ignore file when HOME is unset' '
+       >expected &&
+       (sane_unset HOME &&
+        git config --unset core.excludesfile &&
+        git ls-files --exclude-standard --ignored >actual) &&
+       test_cmp expected actual
+'
 
 test_expect_success 'Checking attributes in the XDG attributes file' '
        echo foo >f &&
@@ -113,6 +138,14 @@ test_expect_success 'Checking XDG attributes when HOME is unset' '
        test_cmp expected actual
 '
 
+test_expect_success '$XDG_CONFIG_HOME overrides $HOME/.config/git/attributes' '
+       mkdir -p "$HOME"/xdg/git &&
+       echo "f attr_f=xdg" >"$HOME"/xdg/git/attributes &&
+       echo "f: attr_f: xdg" >expected &&
+       XDG_CONFIG_HOME="$HOME/xdg" git check-attr -a f >actual &&
+       test_cmp expected actual
+'
+
 test_expect_success 'Checking attributes in both XDG and local attributes files' '
        echo "f -attr_f" >.gitattributes &&
        echo "f: attr_f: unset" >expected &&