// ListPackageDeps lists all the dependencies of the given RPM package
func (ctx *Context) ListPackageDeps(name, version, release string, depthmax int) ([]*yum.Package, error) {
var err error
pkg, err := ctx.yum.FindLatestProvider(name, version, release)
if err != nil {
return nil, fmt.Errorf("lbpkr: no such package name=%q version=%q release=%q (%v)", name, version, release, err)
}
deps, depsErr := ctx.yum.PackageDeps(pkg, depthmax)
// do not handle the depsErr error just yet.
// printout the deps we've got so far.
if depsErr != nil {
err = depsErr
}
sort.Sort(yum.Packages(deps))
for _, pkg := range deps {
fmt.Printf("%s\n", pkg.ID())
}
if depsErr != nil {
return nil, fmt.Errorf("lbpkr: could not find dependencies for package=%q (%v)", pkg.ID(), depsErr)
}
return deps, err
}
// ListInstalledPackages lists all installed packages satisfying the name/vers/release patterns
func (ctx *Context) ListInstalledPackages(name, version, release string) ([]*yum.Package, error) {
var err error
installed, err := ctx.listInstalledPackages()
if err != nil {
return nil, err
}
filter := func(pkg [3]string) bool { return true }
if release != "" && version != "" && name != "" {
re_name := regexp.MustCompile(name)
re_vers := regexp.MustCompile(version)
re_release := regexp.MustCompile(release)
filter = func(pkg [3]string) bool {
return re_name.MatchString(pkg[0]) &&
re_vers.MatchString(pkg[1]) &&
re_release.MatchString(pkg[2])
}
} else if version != "" && name != "" {
re_name := regexp.MustCompile(name)
re_vers := regexp.MustCompile(version)
filter = func(pkg [3]string) bool {
return re_name.MatchString(pkg[0]) &&
re_vers.MatchString(pkg[1])
}
} else if name != "" {
re_name := regexp.MustCompile(name)
filter = func(pkg [3]string) bool {
return re_name.MatchString(pkg[0])
}
}
pkgs := make([]*yum.Package, 0, len(installed))
for _, pkg := range installed {
if !filter(pkg) {
continue
}
p, err := ctx.yum.FindLatestProvider(pkg[0], pkg[1], pkg[2])
if err != nil {
return nil, err
}
pkgs = append(pkgs, p)
}
if len(pkgs) <= 0 {
fmt.Printf("** No Match found **\n")
return nil, err
}
sort.Sort(yum.Packages(pkgs))
for _, pkg := range pkgs {
fmt.Printf("%s\n", pkg.ID())
}
return pkgs, err
}
// ListPackages lists all packages satisfying pattern (a regexp)
func (ctx *Context) ListPackages(name, version, release string) ([]*yum.Package, error) {
var err error
pkgs, err := ctx.yum.ListPackages(name, version, release)
if err != nil {
return nil, err
}
sort.Sort(yum.Packages(pkgs))
for _, pkg := range pkgs {
fmt.Printf("%s\n", pkg.ID())
}
ctx.msg.Infof("Total matching: %d\n", len(pkgs))
return pkgs, err
}
// RemoveRPM removes a (set of) RPM(s) by name
func (ctx *Context) RemoveRPM(rpms [][3]string, force bool) error {
var err error
var required []*yum.Requires
args := []string{"-e"}
if force {
args = append(args, "--nodeps")
}
if ctx.options.DryRun {
args = append(args, "--test")
}
for _, id := range rpms {
pkg, err := ctx.yum.FindLatestProvider(id[0], id[1], id[2])
if err != nil {
return err
}
required = append(required, pkg.Requires()...)
args = append(args, pkg.Name())
}
_, err = ctx.rpm(true, args...)
if err != nil {
//ctx.msg.Errorf("could not remove package:\n%v", string(out))
return err
}
if len(required) > 0 {
reqs := make([]*yum.Package, 0, len(required))
for _, req := range required {
p, err := ctx.yum.FindLatestProvider(req.Name(), req.Version(), req.Release())
if err != nil {
continue
}
reqs = append(reqs, p)
}
sort.Sort(yum.Packages(reqs))
installed, err := ctx.listInstalledPackages()
if err != nil {
return err
}
still_req := make(map[string]struct{})
for _, pp := range installed {
p, err := ctx.yum.FindLatestProvider(pp[0], pp[1], pp[2])
if err != nil {
continue
}
for _, r := range p.Requires() {
pp, err := ctx.yum.FindLatestProvider(r.Name(), r.Version(), r.Release())
if err != nil {
continue
}
still_req[pp.ID()] = struct{}{}
}
}
remove := make([]string, 0, len(reqs))
// loop over installed package, if none requires one of the required package, flag it
for _, req := range reqs {
id := req.ID()
if _, dup := still_req[id]; !dup {
remove = append(remove, req.ID())
}
}
if len(remove) > 0 {
ctx.msg.Infof("packages no longer required: %v\n", strings.Join(remove, " "))
}
}
return err
}
