fork of https://github.com/sourcegraph/zoekt
merge-index: handle --help flag (#1053)
Main use case is so we can sanity check the built binary.
author
Keegan Carruthers-Smith
committer
GitHub
date
(May 1, 2026, 2:09 PM +0200)
commit
f59b17b6
f59b17b6437b8546a5dcac42a92e31b645be9d8c
parent
b78f6ddf
b78f6ddf68e4a939950445962047bad0e6e3593f
+26
-4
+26
-4
cmd/zoekt-merge-index/main.go
+26
-4
cmd/zoekt-merge-index/main.go
···
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import (
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"bufio"
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"flag"
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"fmt"
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"log"
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"os"
···
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}
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func mergeCmd(paths []string) (string, error) {
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if len(paths) == 0 {
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return "", fmt.Errorf("merge requires at least one shard path")
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}
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+
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if paths[0] == "-" {
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paths = []string{}
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scanner := bufio.NewScanner(os.Stdin)
···
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return "", err
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}
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log.Printf("merging %d paths from stdin", len(paths))
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if len(paths) == 0 {
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return "", fmt.Errorf("merge requires at least one shard path")
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}
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}
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return merge(filepath.Dir(paths[0]), paths)
···
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}
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func main() {
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-
switch subCommand := os.Args[1]; subCommand {
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flag.Usage = func() {
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fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s <command> [args]\n\n", os.Args[0])
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fmt.Fprintln(flag.CommandLine.Output(), "Commands:")
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fmt.Fprintln(flag.CommandLine.Output(), " merge <shard> [<shard>...]")
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fmt.Fprintln(flag.CommandLine.Output(), " merge -")
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fmt.Fprintln(flag.CommandLine.Output(), " explode <compound-shard>")
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}
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flag.Parse()
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switch subCommand := flag.Arg(0); subCommand {
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case "merge":
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compoundShardPath, err := mergeCmd(os.Args[2:])
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compoundShardPath, err := mergeCmd(flag.Args()[1:])
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if err != nil {
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log.Fatal(err)
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}
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fmt.Println(compoundShardPath)
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case "explode":
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if err := explodeCmd(os.Args[2]); err != nil {
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if flag.NArg() != 2 {
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log.Fatal("explode requires exactly one compound shard path")
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}
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if err := explodeCmd(flag.Arg(1)); err != nil {
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log.Fatal(err)
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}
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default:
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log.Fatalf("unknown subcommand %s", subCommand)
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fmt.Fprintf(os.Stderr, "unknown subcommand %q\n", subCommand)
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flag.Usage()
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os.Exit(2)
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}
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}