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https://github.com/superseriousbusiness/gotosocial.git
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5e2bf0bdca
* [chore] Remove years from all license headers Years or year ranges aren't required in license headers. Many projects have removed them in recent years and it avoids a bit of yearly toil. In many cases our copyright claim was also a bit dodgy since we added the 2021-2023 header to files created after 2021 but you can't claim copyright into the past that way. * [chore] Add license header check This ensures a license header is always added to any new file. This avoids maintainers/reviewers needing to remember to check for and ask for it in case a contribution doesn't include it. * [chore] Add missing license headers * [chore] Further updates to license header * Use the more common // indentend comment format * Remove the hack we had for the linter now that we use the // format * Add SPDX license identifier
125 lines
4.8 KiB
Go
125 lines
4.8 KiB
Go
// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 Affero 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"flag"
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"fmt"
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"io"
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"os"
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"os/exec"
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"reflect"
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"strings"
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"github.com/superseriousbusiness/gotosocial/internal/config"
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)
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const license = `// GoToSocial
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// Copyright (C) GoToSocial Authors admin@gotosocial.org
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// SPDX-License-Identifier: AGPL-3.0-or-later
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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 Affero 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 Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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`
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func main() {
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var out string
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// Load runtime config flags
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flag.StringVar(&out, "out", "", "Generated file output path")
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flag.Parse()
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// Open output file path
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output, err := os.OpenFile(out, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0o644)
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if err != nil {
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panic(err)
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}
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fmt.Fprint(output, "// THIS IS A GENERATED FILE, DO NOT EDIT BY HAND\n")
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fmt.Fprint(output, license)
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fmt.Fprint(output, "package config\n\n")
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fmt.Fprint(output, "import (\n")
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fmt.Fprint(output, "\t\"time\"\n\n")
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fmt.Fprint(output, "\t\"codeberg.org/gruf/go-bytesize\"\n")
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fmt.Fprint(output, ")\n\n")
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generateFields(output, nil, reflect.TypeOf(config.Configuration{}))
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_ = output.Close()
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_ = exec.Command("gofumports", "-w", out).Run()
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// The plan here is that eventually we might be able
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// to generate an example configuration from struct tags
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}
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func generateFields(output io.Writer, prefixes []string, t reflect.Type) {
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for i := 0; i < t.NumField(); i++ {
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field := t.Field(i)
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if ft := field.Type; ft.Kind() == reflect.Struct {
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// This is a struct field containing further nested config vars.
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generateFields(output, append(prefixes, field.Name), ft)
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continue
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}
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// Get prefixed config variable name
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name := strings.Join(prefixes, "") + field.Name
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// Get period-separated (if nested) config variable "path"
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fieldPath := strings.Join(append(prefixes, field.Name), ".")
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// Get dash-separated config variable CLI flag "path"
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flagPath := strings.Join(append(prefixes, field.Tag.Get("name")), "-")
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flagPath = strings.ToLower(flagPath)
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// ConfigState structure helper methods
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fmt.Fprintf(output, "// Get%s safely fetches the Configuration value for state's '%s' field\n", name, fieldPath)
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fmt.Fprintf(output, "func (st *ConfigState) Get%s() (v %s) {\n", name, field.Type.String())
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fmt.Fprintf(output, "\tst.mutex.Lock()\n")
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fmt.Fprintf(output, "\tv = st.config.%s\n", fieldPath)
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fmt.Fprintf(output, "\tst.mutex.Unlock()\n")
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fmt.Fprintf(output, "\treturn\n")
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fmt.Fprintf(output, "}\n\n")
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fmt.Fprintf(output, "// Set%s safely sets the Configuration value for state's '%s' field\n", name, fieldPath)
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fmt.Fprintf(output, "func (st *ConfigState) Set%s(v %s) {\n", name, field.Type.String())
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fmt.Fprintf(output, "\tst.mutex.Lock()\n")
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fmt.Fprintf(output, "\tdefer st.mutex.Unlock()\n")
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fmt.Fprintf(output, "\tst.config.%s = v\n", fieldPath)
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fmt.Fprintf(output, "\tst.reloadToViper()\n")
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fmt.Fprintf(output, "}\n\n")
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// Global ConfigState helper methods
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// TODO: remove when we pass around a ConfigState{}
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fmt.Fprintf(output, "// %sFlag returns the flag name for the '%s' field\n", name, fieldPath)
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fmt.Fprintf(output, "func %sFlag() string { return \"%s\" }\n\n", name, flagPath)
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fmt.Fprintf(output, "// Get%s safely fetches the value for global configuration '%s' field\n", name, fieldPath)
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fmt.Fprintf(output, "func Get%[1]s() %[2]s { return global.Get%[1]s() }\n\n", name, field.Type.String())
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fmt.Fprintf(output, "// Set%s safely sets the value for global configuration '%s' field\n", name, fieldPath)
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fmt.Fprintf(output, "func Set%[1]s(v %[2]s) { global.Set%[1]s(v) }\n\n", name, field.Type.String())
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}
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}
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