init: correct re-initialization from a linked worktree

diff --git a/t/t7063-status-untracked-cache.sh b/t/t7063-status-untracked-cache.sh
index 0e8d0d42f2f5b1edbc18d46da77c956cd99dadec..a971884cfd8f03de29c978734812ab295fcbb08f 100755 (executable)
--- a/t/t7063-status-untracked-cache.sh
+++ b/t/t7063-status-untracked-cache.sh
@@ -8,10 +8,8 @@ avoid_racy() {
        sleep 1
 }
 
-# It's fine if git update-index returns an error code other than one,
-# it'll be caught in the first test.
 test_lazy_prereq UNTRACKED_CACHE '
-       { git update-index --untracked-cache; ret=$?; } &&
+       { git update-index --test-untracked-cache; ret=$?; } &&
        test $ret -ne 1
 '
 
@@ -20,6 +18,10 @@ if ! test_have_prereq UNTRACKED_CACHE; then
        test_done
 fi
 
+test_expect_success 'core.untrackedCache is unset' '
+       test_must_fail git config --get core.untrackedCache
+'
+
 test_expect_success 'setup' '
        git init worktree &&
        cd worktree &&
@@ -32,13 +34,13 @@ test_expect_success 'setup' '
 
 test_expect_success 'untracked cache is empty' '
        test-dump-untracked-cache >../actual &&
-       cat >../expect <<EOF &&
+       cat >../expect-empty <<EOF &&
 info/exclude 0000000000000000000000000000000000000000
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
 flags 00000006
 EOF
-       test_cmp ../expect ../actual
+       test_cmp ../expect-empty ../actual
 '
 
 cat >../status.expect <<EOF &&
@@ -508,7 +510,7 @@ EOF
 
 test_expect_success 'verify untracked cache dump (sparse/subdirs)' '
        test-dump-untracked-cache >../actual &&
-       cat >../expect <<EOF &&
+       cat >../expect-from-test-dump <<EOF &&
 info/exclude 13263c0978fb9fad16b2d580fb800b6d811c3ff0
 core.excludesfile 0000000000000000000000000000000000000000
 exclude_per_dir .gitignore
@@ -527,7 +529,7 @@ file
 /dtwo/ 0000000000000000000000000000000000000000 recurse check_only valid
 two
 EOF
-       test_cmp ../expect ../actual
+       test_cmp ../expect-from-test-dump ../actual
 '
 
 test_expect_success 'test sparse status again with untracked cache and subdir' '
@@ -571,4 +573,77 @@ EOF
        test_cmp ../status.expect ../status.actual
 '
 
+test_expect_success '--no-untracked-cache removes the cache' '
+       git update-index --no-untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       echo "no untracked cache" >../expect-no-uc &&
+       test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'git status does not change anything' '
+       git status &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to true and using git status creates the cache' '
+       git config core.untrackedCache true &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-no-uc ../actual &&
+       git status &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-from-test-dump ../actual
+'
+
+test_expect_success 'using --no-untracked-cache does not fail when core.untrackedCache is true' '
+       git update-index --no-untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-no-uc ../actual &&
+       git update-index --untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-empty ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to false and using git status removes the cache' '
+       git config core.untrackedCache false &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-empty ../actual &&
+       git status &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-no-uc ../actual
+'
+
+test_expect_success 'using --untracked-cache does not fail when core.untrackedCache is false' '
+       git update-index --untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-empty ../actual
+'
+
+test_expect_success 'setting core.untrackedCache to keep' '
+       git config core.untrackedCache keep &&
+       git update-index --untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-empty ../actual &&
+       git status &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-from-test-dump ../actual &&
+       git update-index --no-untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-no-uc ../actual &&
+       git update-index --force-untracked-cache &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-empty ../actual &&
+       git status &&
+       test-dump-untracked-cache >../actual &&
+       test_cmp ../expect-from-test-dump ../actual
+'
+
+test_expect_success 'test ident field is working' '
+       mkdir ../other_worktree &&
+       cp -R done dthree dtwo four three ../other_worktree &&
+       GIT_WORK_TREE=../other_worktree git status 2>../err &&
+       echo "warning: Untracked cache is disabled on this system or location." >../expect &&
+       test_cmp ../expect ../err
+'
+
 test_done