forgepb/goList.go

118 lines
4.4 KiB
Go

package forgepb
import (
"encoding/json"
"strings"
"time"
"go.wit.com/lib/gui/shell"
"go.wit.com/log"
)
// go list -json -m go.wit.com/apps/go-clone@latest
// go list -json -m go.wit.com/apps/go-clone@latest
// {
// "Path": "go.wit.com/apps/go-clone",
// "Version": "v0.0.6",
// "Query": "latest",
// "Time": "2024-03-10T04:12:15Z",
// "GoMod": "/home/jcarr/go/pkg/mod/cache/download/go.wit.com/apps/go-clone/@v/v0.0.6.mod",
// "GoVersion": "1.22.0"
// }
type Module struct {
Path string // module path
Query string // version query corresponding to this version
Version string // module version
Versions []string // available module versions
Replace *Module // replaced by this module
Time *time.Time // time version was created
Update *Module // available update (with -u)
Main bool // is this the main module?
Indirect bool // module is only indirectly needed by main module
Dir string // directory holding local copy of files, if any
GoMod string // path to go.mod file describing module, if any
GoVersion string // go version used in module
Retracted []string // retraction information, if any (with -retracted or -u)
Deprecated string // deprecation message, if any (with -u)
Error *ModuleError // error loading module
Sum string // checksum for path, version (as in go.sum)
GoModSum string // checksum for go.mod (as in go.sum)
Reuse bool // reuse of old module info is safe
Origin Origin
}
type ModuleError struct {
Err string // the error itself
}
// An Origin describes the provenance of a given repo method result.
// It can be passed to CheckReuse (usually in a different go command invocation)
// to see whether the result remains up-to-date.
type Origin struct {
VCS string `json:",omitempty"` // "git" etc
URL string `json:",omitempty"` // URL of repository
Subdir string `json:",omitempty"` // subdirectory in repo
Hash string `json:",omitempty"` // commit hash or ID
// If TagSum is non-empty, then the resolution of this module version
// depends on the set of tags present in the repo, specifically the tags
// of the form TagPrefix + a valid semver version.
// If the matching repo tags and their commit hashes still hash to TagSum,
// the Origin is still valid (at least as far as the tags are concerned).
// The exact checksum is up to the Repo implementation; see (*gitRepo).Tags.
TagPrefix string `json:",omitempty"`
TagSum string `json:",omitempty"`
// If Ref is non-empty, then the resolution of this module version
// depends on Ref resolving to the revision identified by Hash.
// If Ref still resolves to Hash, the Origin is still valid (at least as far as Ref is concerned).
// For Git, the Ref is a full ref like "refs/heads/main" or "refs/tags/v1.2.3",
// and the Hash is the Git object hash the ref maps to.
// Other VCS might choose differently, but the idea is that Ref is the name
// with a mutable meaning while Hash is a name with an immutable meaning.
Ref string `json:",omitempty"`
// If RepoSum is non-empty, then the resolution of this module version
// failed due to the repo being available but the version not being present.
// This depends on the entire state of the repo, which RepoSum summarizes.
// For Git, this is a hash of all the refs and their hashes.
RepoSum string `json:",omitempty"`
}
// A Tags describes the available tags in a code repository.
func runGoList(url string) (string, error) {
ver, err := getLatestVersion(url)
if err != nil {
return "", err
}
r := shell.Run([]string{"go", "list", "-json", "-m", url + "@" + ver})
var modInfo Module
out := strings.Join(r.Stdout, "\n")
err = json.Unmarshal([]byte(out), &modInfo)
if err != nil {
log.Info("runGoList() r.Output =", out)
log.Info("runGoList() json.Unmarshal() error =", err)
return "", err
}
log.Info("runGoList() Output.Origin.URL =", modInfo.Origin.URL)
return modInfo.Origin.URL, err
}
func getLatestVersion(url string) (string, error) {
r := shell.Run([]string{"go", "list", "-json", "-m", url + "@latest"})
var modInfo Module
out := strings.Join(r.Stdout, "\n")
err := json.Unmarshal([]byte(out), &modInfo)
if err != nil {
log.Info("runGoList() r.Output =", out)
log.Info("runGoList() json.Unmarshal() error =", err)
return "", err
}
log.Info("runGoList() Output.Version =", modInfo.Version)
return modInfo.Version, err
}