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zig fmt: make --exclude work on files

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Closes #16178
This commit is contained in:
Ian Johnson 2023-06-24 22:50:28 -04:00 committed by Andrew Kelley
parent 10d940d7f4
commit 9892ec31a0
2 changed files with 48 additions and 25 deletions
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11
src/main.zig
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@ -4752,13 +4752,16 @@ pub fn cmdFmt(gpa: Allocator, arena: Allocator, args: []const []const u8) !void
// Mark any excluded files/directories as already seen,
// so that they are skipped later during actual processing
for (excluded_files.items) |file_path| {
var dir = fs.cwd().openDir(file_path, .{}) catch |err| switch (err) {
const stat = fs.cwd().statFile(file_path) catch |err| switch (err) {
error.FileNotFound => continue,
// On Windows, statFile does not work for directories
error.IsDir => dir: {
var dir = try fs.cwd().openDir(file_path, .{});
defer dir.close();
break :dir try dir.stat();
},
else => |e| return e,
};
defer dir.close();
const stat = try dir.stat();
try fmt.seen.put(stat.inode, {});
}

62
test/tests.zig
View File

@ -790,6 +790,10 @@ pub fn addCliTests(b: *std.Build) *Step {
defer dir.close();
dir.writeFile("fmt1.zig", unformatted_code) catch @panic("unhandled");
dir.writeFile("fmt2.zig", unformatted_code) catch @panic("unhandled");
dir.makeDir("subdir") catch @panic("unhandled");
var subdir = dir.openDir("subdir", .{}) catch @panic("unhandled");
defer subdir.close();
subdir.writeFile("fmt3.zig", unformatted_code) catch @panic("unhandled");
// Test zig fmt affecting only the appropriate files.
const run1 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "fmt1.zig" });
@ -799,46 +803,62 @@ pub fn addCliTests(b: *std.Build) *Step {
// stdout should be file path + \n
run1.expectStdOutEqual("fmt1.zig\n");
// running it on the dir, only the new file should be changed
const run2 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "." });
run2.setName("run zig fmt the directory");
// Test excluding files and directories from a run
const run2 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "--exclude", "fmt2.zig", "--exclude", "subdir", "." });
run2.setName("run zig fmt on directory with exclusions");
run2.cwd = tmp_path;
run2.has_side_effects = true;
run2.expectStdOutEqual("." ++ s ++ "fmt2.zig\n");
run2.expectStdOutEqual("");
run2.step.dependOn(&run1.step);
// both files have been formatted, nothing should change now
const run3 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "." });
run3.setName("run zig fmt with nothing to do");
// Test excluding non-existent file
const run3 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "--exclude", "fmt2.zig", "--exclude", "nonexistent.zig", "." });
run3.setName("run zig fmt on directory with non-existent exclusion");
run3.cwd = tmp_path;
run3.has_side_effects = true;
run3.expectStdOutEqual("");
run3.expectStdOutEqual("." ++ s ++ "subdir" ++ s ++ "fmt3.zig\n");
run3.step.dependOn(&run2.step);
const unformatted_code_utf16 = "\xff\xfe \x00 \x00 \x00 \x00/\x00/\x00 \x00n\x00o\x00 \x00r\x00e\x00a\x00s\x00o\x00n\x00";
const fmt4_path = std.fs.path.join(b.allocator, &.{ tmp_path, "fmt4.zig" }) catch @panic("OOM");
const write4 = b.addWriteFiles();
write4.addBytesToSource(unformatted_code_utf16, fmt4_path);
write4.step.dependOn(&run3.step);
// Test `zig fmt` handling UTF-16 decoding.
// running it on the dir, only the new file should be changed
const run4 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "." });
run4.setName("run zig fmt convert UTF-16 to UTF-8");
run4.setName("run zig fmt the directory");
run4.cwd = tmp_path;
run4.has_side_effects = true;
run4.expectStdOutEqual("." ++ s ++ "fmt4.zig\n");
run4.step.dependOn(&write4.step);
run4.expectStdOutEqual("." ++ s ++ "fmt2.zig\n");
run4.step.dependOn(&run3.step);
// both files have been formatted, nothing should change now
const run5 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "." });
run5.setName("run zig fmt with nothing to do");
run5.cwd = tmp_path;
run5.has_side_effects = true;
run5.expectStdOutEqual("");
run5.step.dependOn(&run4.step);
const unformatted_code_utf16 = "\xff\xfe \x00 \x00 \x00 \x00/\x00/\x00 \x00n\x00o\x00 \x00r\x00e\x00a\x00s\x00o\x00n\x00";
const fmt6_path = std.fs.path.join(b.allocator, &.{ tmp_path, "fmt6.zig" }) catch @panic("OOM");
const write6 = b.addWriteFiles();
write6.addBytesToSource(unformatted_code_utf16, fmt6_path);
write6.step.dependOn(&run5.step);
// Test `zig fmt` handling UTF-16 decoding.
const run6 = b.addSystemCommand(&.{ b.zig_exe, "fmt", "." });
run6.setName("run zig fmt convert UTF-16 to UTF-8");
run6.cwd = tmp_path;
run6.has_side_effects = true;
run6.expectStdOutEqual("." ++ s ++ "fmt6.zig\n");
run6.step.dependOn(&write6.step);
// TODO change this to an exact match
const check4 = b.addCheckFile(.{ .path = fmt4_path }, .{
const check6 = b.addCheckFile(.{ .path = fmt6_path }, .{
.expected_matches = &.{
"// no reason",
},
});
check4.step.dependOn(&run4.step);
check6.step.dependOn(&run6.step);
const cleanup = b.addRemoveDirTree(tmp_path);
cleanup.step.dependOn(&check4.step);
cleanup.step.dependOn(&check6.step);
step.dependOn(&cleanup.step);
}