Function writeManifest [src]

If want_shared_lock is true, this function automatically downgrades the lock from exclusive to shared.

Prototype

pub fn writeManifest(self: *Manifest) !void

Parameters

self: *Manifest

Source

  pub fn writeManifest(self: *Manifest) !void {
    assert(self.have_exclusive_lock);

    const manifest_file = self.manifest_file.?;
    if (self.manifest_dirty) {
        self.manifest_dirty = false;

        var contents = std.ArrayList(u8).init(self.cache.gpa);
        defer contents.deinit();

        const writer = contents.writer();
        try writer.writeAll(manifest_header ++ "\n");
        for (self.files.keys()) |file| {
            try writer.print("{d} {d} {d} {} {d} {s}\n", .{
                file.stat.size,
                file.stat.inode,
                file.stat.mtime,
                fmt.fmtSliceHexLower(&file.bin_digest),
                file.prefixed_path.prefix,
                file.prefixed_path.sub_path,
            });
        }

        try manifest_file.setEndPos(contents.items.len);
        try manifest_file.pwriteAll(contents.items, 0);
    }

    if (self.want_shared_lock) {
        try self.downgradeToSharedLock();
    }
}  