be7a5399e3
This adds a new util package with some useful functionality which could be implemented as pure mcl, but instead we add it here as a good place to help with code reuse.
92 lines
3.4 KiB
Go
92 lines
3.4 KiB
Go
// Mgmt
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// Copyright (C) 2013-2024+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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//
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// Additional permission under GNU GPL version 3 section 7
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//
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// If you modify this program, or any covered work, by linking or combining it
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// with embedded mcl code and modules (and that the embedded mcl code and
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// modules which link with this program, contain a copy of their source code in
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// the authoritative form) containing parts covered by the terms of any other
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// license, the licensors of this program grant you additional permission to
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// convey the resulting work. Furthermore, the licensors of this program grant
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// the original author, James Shubin, additional permission to update this
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// additional permission if he deems it necessary to achieve the goals of this
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// additional permission.
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// Package core contains core functions and other related facilities which are
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// used in programs.
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package core
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import (
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"embed"
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"io/fs"
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// import so the funcs register
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_ "github.com/purpleidea/mgmt/lang/core/convert"
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_ "github.com/purpleidea/mgmt/lang/core/datetime"
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_ "github.com/purpleidea/mgmt/lang/core/deploy"
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_ "github.com/purpleidea/mgmt/lang/core/embedded"
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_ "github.com/purpleidea/mgmt/lang/core/example"
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_ "github.com/purpleidea/mgmt/lang/core/example/nested"
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_ "github.com/purpleidea/mgmt/lang/core/fmt"
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_ "github.com/purpleidea/mgmt/lang/core/golang"
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_ "github.com/purpleidea/mgmt/lang/core/iter"
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_ "github.com/purpleidea/mgmt/lang/core/list"
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_ "github.com/purpleidea/mgmt/lang/core/local"
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_ "github.com/purpleidea/mgmt/lang/core/map"
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_ "github.com/purpleidea/mgmt/lang/core/math"
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_ "github.com/purpleidea/mgmt/lang/core/net"
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_ "github.com/purpleidea/mgmt/lang/core/os"
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_ "github.com/purpleidea/mgmt/lang/core/regexp"
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_ "github.com/purpleidea/mgmt/lang/core/strings"
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_ "github.com/purpleidea/mgmt/lang/core/sys"
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_ "github.com/purpleidea/mgmt/lang/core/test"
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_ "github.com/purpleidea/mgmt/lang/core/util"
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_ "github.com/purpleidea/mgmt/lang/core/value"
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_ "github.com/purpleidea/mgmt/lang/core/world"
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)
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// TODO: Instead of doing this one-level embed, we could give each package an
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// API that it calls to "register" the private embed.FS that it wants to share.
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//go:embed */*.mcl
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var mcl embed.FS
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// AssetNames returns a flattened list of embedded .mcl file paths.
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func AssetNames() ([]string, error) {
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fileSystem := mcl
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paths := []string{}
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if err := fs.WalkDir(fileSystem, ".", func(path string, d fs.DirEntry, err error) error {
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if err != nil {
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return err
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}
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if d.IsDir() { // skip the dirs
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return nil
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}
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paths = append(paths, path)
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return nil
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}); err != nil {
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return nil, err
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}
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return paths, nil
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}
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// Asset returns the contents of an embedded .mcl file.
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func Asset(name string) ([]byte, error) {
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return mcl.ReadFile(name)
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}
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