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info.go
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/
info.go
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package pkgparse
import (
"fmt"
"os"
"path/filepath"
"sync"
"github.com/candrewlee14/webman/utils"
"github.com/go-yaml/yaml"
"golang.org/x/sync/errgroup"
)
type PkgInfo struct {
Title string
Tagline string
About string
}
func ParsePkgInfo(pkg string) (*PkgInfo, error) {
pkgConfPath := filepath.Join(utils.WebmanRecipeDir, "pkgs", pkg+utils.PkgRecipeExt)
dat, err := os.ReadFile(pkgConfPath)
if err != nil {
if os.IsNotExist(err) {
return nil, fmt.Errorf("no package recipe exists for %s", pkg)
}
return nil, err
}
var pkgInfo PkgInfo
if err = yaml.Unmarshal(dat, &pkgInfo); err != nil {
return nil, fmt.Errorf("unable to parse package recipe for %s: %v", pkg, err)
}
pkgInfo.Title = pkg
return &pkgInfo, nil
}
func ParseMultiPkgInfo(pkgs []string) ([]PkgInfo, error) {
var m sync.Mutex
pkgInfos := make([]PkgInfo, len(pkgs))
var eg errgroup.Group
for i, pkg := range pkgs {
i := i
pkg := pkg
eg.Go(func() error {
pkgInfo, err := ParsePkgInfo(pkg)
if err != nil {
return nil
}
m.Lock()
pkgInfos[i] = *pkgInfo
m.Unlock()
return nil
})
}
if err := eg.Wait(); err != nil {
return []PkgInfo{}, err
}
return pkgInfos, nil
}