cheat/cmd/cheat/cmd_remove.go
Chris Lane 9a6130b6b7 feat: --rm and --tags
- Implements the `--rm` command (#483)
- Implements the `--tags` command (#484)
- Bumps version to `3.1.0`
2019-11-16 09:18:32 -05:00

56 lines
1.4 KiB
Go

package main
import (
"fmt"
"os"
"strings"
"github.com/cheat/cheat/internal/config"
"github.com/cheat/cheat/internal/sheets"
)
// cmdRemove opens a cheatsheet for editing (or creates it if it doesn't exist).
func cmdRemove(opts map[string]interface{}, conf config.Config) {
cheatsheet := opts["--rm"].(string)
// load the cheatsheets
cheatsheets, err := sheets.Load(conf.Cheatpaths)
if err != nil {
fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
os.Exit(1)
}
// filter cheatcheats by tag if --tag was provided
if opts["--tag"] != nil {
cheatsheets = sheets.Filter(
cheatsheets,
strings.Split(opts["--tag"].(string), ","),
)
}
// consolidate the cheatsheets found on all paths into a single map of
// `title` => `sheet` (ie, allow more local cheatsheets to override less
// local cheatsheets)
consolidated := sheets.Consolidate(cheatsheets)
// fail early if the requested cheatsheet does not exist
sheet, ok := consolidated[cheatsheet]
if !ok {
fmt.Fprintln(os.Stderr, fmt.Sprintf("no cheatsheet found for '%s'.\n", cheatsheet))
os.Exit(1)
}
// fail early if the sheet is read-only
if sheet.ReadOnly {
fmt.Fprintln(os.Stderr, fmt.Sprintf("cheatsheet '%s' is read-only.", cheatsheet))
os.Exit(1)
}
// otherwise, attempt to delete the sheet
if err := os.Remove(sheet.Path); err != nil {
fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to delete sheet: %s, %v", sheet.Title, err))
os.Exit(1)
}
}