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package gitpb
// does processing on the go.mod and go.sum files
import (
"bufio"
"errors"
"os"
"path/filepath"
"strings"
"go.wit.com/log"
)
// poor name perhaps. It's because in most of these
// repos you can also type "make redomod" to do the same thing
// since it's a Makefile task that is also useful to be able to run
// from the command line
func (repo *Repo) MakeRedomod() (bool, error) {
// unset the go development ENV var to generate release files
os.Unsetenv("GO111MODULE")
if ok, err := repo.strictRun([]string{"rm", "-f", "go.mod", "go.sum"}); !ok {
log.Warn("rm go.mod go.sum failed", err)
return ok, err
}
if ok, err := repo.strictRun([]string{"go", "mod", "init", repo.GoPath}); !ok {
log.Warn("go mod init failed", err)
return ok, err
}
if ok, err := repo.strictRun([]string{"go", "mod", "tidy"}); !ok {
log.Warn("go mod tidy failed", err)
return ok, err
}
log.Info("MakeRedomod() worked", repo.GoPath)
if repo.Exists("go.sum") {
// return the attempt to parse go.mod & go.sum
return repo.parseGoSum()
}
repo.GoDeps = nil
repo.GoPrimitive = false
ok, err := repo.isPrimativeGoMod()
if err != nil {
// this means this repo does not depend on any other package
log.Info("PRIMATIVE repo error:", repo.GoPath, "err =", err)
return false, err
}
if ok {
// this means the repo is primitive so there is no go.sum
repo.GoPrimitive = true
return true, nil
}
// this should never happen
return false, errors.New("MakeRedomod() logic failed")
}
// reads and parses the go.sum file
func (repo *Repo) parseGoSum() (bool, error) {
// empty out what was there before
repo.GoDeps = nil
tmp := filepath.Join(repo.FullPath, "go.sum")
gosum, err := os.Open(tmp)
if err != nil {
log.Warn("missing go.sum", repo.FullPath)
return false, err
}
defer gosum.Close()
scanner := bufio.NewScanner(gosum)
log.Info("gosum:", tmp)
for scanner.Scan() {
line := strings.TrimSpace(scanner.Text())
parts := strings.Split(line, " ")
if len(parts) == 3 {
godep := strings.TrimSpace(parts[0])
version := strings.TrimSpace(parts[1])
if strings.HasSuffix(version, "/go.mod") {
version = strings.TrimSuffix(version, "/go.mod")
}
new1 := GoDep{
GoPath: godep,
Version: version,
}
repo.AppendGoDep(&new1)
/*
found := repo.FindGoDepByPath(godep)
if found == nil {
currentversion, ok := deps[godep]
if ok {
// only use the first value found in the file?
// this shouldn't have been possible. this function should
// only be called from MakeRedomod()
// todo: make go things a seperate package so this function
// isn't exported?
if version != currentversion {
log.Warn("\tgo.sum ", godep, "had both", version, currentversion)
}
} else {
deps[godep] = version
log.Info("\t", godep, "=", version)
}
*/
} else {
// I've never seen this happen yet
panic(errors.New("go.sum invalid: " + line))
// return false, errors.New("go.sum invalid: " + line)
}
}
if err := scanner.Err(); err != nil {
repo.GoDeps = nil
return false, err
}
return true, nil
}
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