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/
command.go
132 lines (108 loc) · 2.82 KB
/
command.go
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// Package command contains methods called by the CLI to manage
// a mona project.
package command
import (
"fmt"
"github.com/apex/log"
"github.com/hashicorp/go-multierror"
"github.com/uw-labs/mona/internal/app"
"github.com/uw-labs/mona/internal/config"
"github.com/uw-labs/mona/internal/hash"
)
type Config struct {
Project *config.Project
FailFast bool
}
type (
changeType int
rangeFn func(*app.App, map[changeType]bool) error
changedApp struct {
app *app.App
newHash string
changeTypes map[changeType]bool
}
)
const (
changeTypeLint changeType = iota
changeTypeTest
changeTypeBuild
)
func getLockAndChangedApps(pj *config.Project) (lock *config.LockFile, out []changedApp, err error) {
apps, err := app.FindApps("./", pj.Mod)
if err != nil {
return nil, nil, err
}
lock, err = config.LoadLockFile(pj.Location)
if err != nil {
return nil, nil, err
}
for _, appInfo := range apps {
lockInfo, ok := lock.Apps[appInfo.Name]
if !ok {
lockInfo = &config.AppVersion{}
}
// GenerateString a new hash for the app directory
exclude := append(pj.Exclude, appInfo.Exclude...)
newHash, err := hash.GetForApp(appInfo, exclude...)
if err != nil {
return nil, nil, err
}
changes := make(map[changeType]bool, 3)
if lockInfo.LintHash != newHash {
changes[changeTypeLint] = true
}
if lockInfo.TestHash != newHash {
changes[changeTypeTest] = true
}
if lockInfo.BuildHash != newHash {
changes[changeTypeBuild] = true
}
out = append(out, changedApp{
app: appInfo,
newHash: newHash,
changeTypes: changes,
})
}
return lock, out, nil
}
func rangeChangedApps(cfg Config, cts []changeType, fn rangeFn) error {
lock, changed, err := getLockAndChangedApps(cfg.Project)
if err != nil || len(changed) == 0 {
return err
}
var errs []error
for _, change := range changed {
if len(cts) == 1 && !change.changeTypes[cts[0]] {
continue
}
if err := fn(change.app, change.changeTypes); err != nil {
errs = append(errs, fmt.Errorf("app %s: %s", change.app.Name, err.Error()))
if cfg.FailFast {
return errs[0]
}
continue
}
lockInfo, modInLock := lock.Apps[change.app.Name]
if !modInLock {
log.Debugf("Detected new appInfo %s at %s, adding to lock file", change.app.Name, change.app.Location)
if err := config.AddApp(lock, cfg.Project.Location, change.app.Name); err != nil {
return err
}
lockInfo = lock.Apps[change.app.Name]
}
for _, ct := range cts {
switch ct {
case changeTypeLint:
lockInfo.LintHash = change.newHash
case changeTypeTest:
lockInfo.TestHash = change.newHash
case changeTypeBuild:
lockInfo.BuildHash = change.newHash
}
}
if err := config.UpdateLockFile(cfg.Project.Location, lock); err != nil {
return err
}
}
return multierror.Append(nil, errs...).ErrorOrNil()
}