diff --git a/Documentation/config/checkout.txt b/Documentation/config/checkout.txt index c4118fa1968711..73380a8d862d37 100644 --- a/Documentation/config/checkout.txt +++ b/Documentation/config/checkout.txt @@ -21,3 +21,10 @@ checkout.optimizeNewBranch:: will not update the skip-worktree bit in the index nor add/remove files in the working directory to reflect the current sparse checkout settings nor will it show the local changes. + +checkout.overlayMode:: + In the default overlay mode, `git checkout` never + removes files from the index or the working tree. When + setting `checkout.overlayMode` to false, files that appear in + the index and working tree, but not in are removed, + to make them match exactly. diff --git a/builtin/checkout.c b/builtin/checkout.c index 0c5fe948ef5890..b5dfc45736e458 100644 --- a/builtin/checkout.c +++ b/builtin/checkout.c @@ -1019,13 +1019,19 @@ static int switch_branches(const struct checkout_opts *opts, static int git_checkout_config(const char *var, const char *value, void *cb) { + struct checkout_opts *opts = cb; + if (!strcmp(var, "checkout.optimizenewbranch")) { checkout_optimize_new_branch = git_config_bool(var, value); return 0; } + if (!strcmp(var, "checkout.overlaymode")) { + opts->overlay_mode = git_config_bool(var, value); + return 0; + } + if (!strcmp(var, "diff.ignoresubmodules")) { - struct checkout_opts *opts = cb; handle_ignore_submodules_arg(&opts->diff_options, value); return 0; } diff --git a/t/t2025-checkout-no-overlay.sh b/t/t2025-checkout-no-overlay.sh index 76330cb5ab79ab..a4912e35cbe3aa 100755 --- a/t/t2025-checkout-no-overlay.sh +++ b/t/t2025-checkout-no-overlay.sh @@ -44,4 +44,14 @@ test_expect_success '--no-overlay --theirs with D/F conflict deletes file' ' test_path_is_missing file1 ' +test_expect_success 'checkout with checkout.overlayMode=false deletes files not in ' ' + >file && + mkdir dir && + >dir/file1 && + git add file dir/file1 && + git -c checkout.overlayMode=false checkout HEAD -- file && + test_path_is_missing file && + test_path_is_file dir/file1 +' + test_done