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48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package editor
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import (
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"fmt"
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"os"
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"strings"
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"github.com/kballard/go-shellquote"
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"github.com/zk-org/zk/internal/util/errors"
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executil "github.com/zk-org/zk/internal/util/exec"
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"github.com/zk-org/zk/internal/util/opt"
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osutil "github.com/zk-org/zk/internal/util/os"
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)
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// Editor represents an external editor able to edit the notes.
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type Editor struct {
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editor string
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}
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// NewEditor creates a new Editor from the given editor user setting or the
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// matching environment variables.
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func NewEditor(editor opt.String) (*Editor, error) {
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editor = osutil.GetOptEnv("ZK_EDITOR").
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Or(editor).
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Or(osutil.GetOptEnv("VISUAL")).
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Or(osutil.GetOptEnv("EDITOR"))
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if editor.IsNull() {
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return nil, fmt.Errorf("no editor set in config")
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}
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return &Editor{editor.Unwrap()}, nil
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}
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// Open launches the editor with the notes at given paths.
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func (e *Editor) Open(paths ...string) error {
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// /dev/tty is restored as stdin, in case the user used a pipe to feed
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// initial note content to `zk new`. Without this, Vim doesn't work
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// properly in this case.
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// See https://github.com/zk-org/zk/issues/4
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cmd := executil.CommandFromString(e.editor + " " + shellquote.Join(paths...) + " </dev/tty")
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cmd.Stdin = os.Stdin
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cmd.Stdout = os.Stdout
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cmd.Stderr = os.Stderr
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return errors.Wrapf(cmd.Run(), "failed to launch editor: %s %s", e.editor, strings.Join(paths, " "))
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}
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