94 lines
2.3 KiB
Go
94 lines
2.3 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"os/exec"
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"strings"
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"time"
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)
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// InputFromEditor retrieves user input by opening an editor (one specified by
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// $EDITOR or 'vim' if $EDITOR is not set) on a temporary file. Once the editor
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// closes, the contents of the file are read and the file is deleted. If the
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// contents of the file exactly match the value of placeholder (no edits to the
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// file were made), then an empty string is returned. Otherwise, the contents
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// are returned. Example patten: message.*.md
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func InputFromEditor(placeholder string, pattern string) (string, error) {
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msgFile, _ := os.CreateTemp("/tmp", pattern)
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defer os.Remove(msgFile.Name())
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os.WriteFile(msgFile.Name(), []byte(placeholder), os.ModeAppend)
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editor := os.Getenv("EDITOR")
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if editor == "" {
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editor = "vim" // default to vim if no EDITOR env variable
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}
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execCmd := exec.Command(editor, msgFile.Name())
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execCmd.Stdin = os.Stdin
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execCmd.Stdout = os.Stdout
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execCmd.Stderr = os.Stderr
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if err := execCmd.Run(); err != nil {
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return "", err
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}
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bytes, _ := os.ReadFile(msgFile.Name())
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content := string(bytes)
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if placeholder != "" {
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if content == placeholder {
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return "", nil
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}
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// strip placeholder if content begins with it
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if strings.HasPrefix(content, placeholder) {
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content = content[len(placeholder):]
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}
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}
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return strings.Trim(content, "\n \t"), nil
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}
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// humanTimeElapsedSince returns a human-friendly representation of the given time
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// duration.
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func humanTimeElapsedSince(d time.Duration) string {
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seconds := d.Seconds()
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minutes := seconds / 60
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hours := minutes / 60
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days := hours / 24
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weeks := days / 7
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months := days / 30
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years := days / 365
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switch {
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case seconds < 60:
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return "seconds ago"
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case minutes < 2:
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return "1 minute ago"
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case minutes < 60:
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return fmt.Sprintf("%d minutes ago", int64(minutes))
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case hours < 2:
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return "1 hour ago"
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case hours < 24:
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return fmt.Sprintf("%d hours ago", int64(hours))
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case days < 2:
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return "1 day ago"
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case days < 7:
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return fmt.Sprintf("%d days ago", int64(days))
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case weeks < 2:
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return "1 week ago"
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case weeks <= 4:
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return fmt.Sprintf("%d weeks ago", int64(weeks))
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case months < 2:
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return "1 month ago"
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case months < 12:
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return fmt.Sprintf("%d months ago", int64(months))
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case years < 2:
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return "1 year ago"
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default:
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return fmt.Sprintf("%d years ago", int64(years))
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}
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}
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