1# Test that the go command does not panic if it tries to read
2# a file from the cache that has an index entry, but is missing
3# an entry for the output. This test creates that situation by
4# running a go list (creating index and output cache entries for
5# the module index) and then removing just the output entries.
6
7[short] skip 'runs go build'
8
9go build -o roe$GOEXE ./remove_output_entries.go
10
11# populate new cache
12env GOCACHE=$WORK/newcache
13go list runtime
14
15# remove output entries and check the panic doesn't happen
16exec ./roe$GOEXE $WORK/newcache
17go list runtime
18
19-- remove_output_entries.go --
20package main
21
22import (
23 "io/fs"
24 "log"
25 "os"
26 "path/filepath"
27 "strings"
28)
29
30func main() {
31 cachedir := os.Args[1]
32 err := filepath.WalkDir(cachedir, func(path string, d fs.DirEntry, err error) error {
33 if strings.HasSuffix(path, "-d") { // output entries end in "-d"
34 if err := os.RemoveAll(path); err != nil {
35 return err
36 }
37 }
38 return nil
39 })
40 if err != nil {
41 log.Fatal(err)
42 }
43}View as plain text