mirror of https://github.com/cheat/cheat.git
70 lines
1.6 KiB
Go
70 lines
1.6 KiB
Go
package main
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import (
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"fmt"
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"os"
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"sort"
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"strings"
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"text/tabwriter"
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"github.com/cheat/cheat/internal/config"
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"github.com/cheat/cheat/internal/sheet"
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"github.com/cheat/cheat/internal/sheets"
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)
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// cmdList lists all available cheatsheets.
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func cmdList(opts map[string]interface{}, conf config.Config) {
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// load the cheatsheets
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cheatsheets, err := sheets.Load(conf.Cheatpaths)
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if err != nil {
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fmt.Fprintln(os.Stderr, fmt.Sprintf("failed to list cheatsheets: %v", err))
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os.Exit(1)
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}
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// filter cheatcheats by tag if --tag was provided
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if opts["--tag"] != nil {
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cheatsheets = sheets.Filter(
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cheatsheets,
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strings.Split(opts["--tag"].(string), ","),
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)
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}
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// instead of "consolidating" all of the cheatsheets (ie, overwriting global
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// sheets with local sheets), here we simply want to create a slice
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// containing all sheets.
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flattened := []sheet.Sheet{}
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for _, pathSheets := range cheatsheets {
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for _, s := range pathSheets {
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flattened = append(flattened, s)
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}
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}
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// sort the "flattened" sheets alphabetically
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sort.Slice(flattened, func(i, j int) bool {
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return flattened[i].Title < flattened[j].Title
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})
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// exit early if no cheatsheets are available
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if len(flattened) == 0 {
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os.Exit(0)
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}
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// initialize a tabwriter to produce cleanly columnized output
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w := tabwriter.NewWriter(os.Stdout, 0, 0, 1, ' ', 0)
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// generate sorted, columnized output
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fmt.Fprintln(w, "title:\tfile:\ttags:")
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for _, sheet := range flattened {
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fmt.Fprintln(w, fmt.Sprintf(
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"%s\t%s\t%s",
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sheet.Title,
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sheet.Path,
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strings.Join(sheet.Tags, ","),
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))
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}
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// write columnized output to stdout
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w.Flush()
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}
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