/
composer.go
158 lines (136 loc) · 3.88 KB
/
composer.go
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package composer
import (
"encoding/json"
"regexp"
"strings"
"github.com/apex/log"
"github.com/pkg/errors"
"github.com/fossas/fossa-cli/exec"
"github.com/fossas/fossa-cli/files"
)
type Composer struct {
Cmd string
}
type Package struct {
Name string
Version string
Description string
}
type Show struct {
Installed []Package
}
//go:generate bash -c "genny -in=$GOPATH/src/github.com/fossas/fossa-cli/graph/readtree.go gen 'Generic=Package' | sed -e 's/package graph/package composer/' > readtree_generated.go"
func (c *Composer) Dependencies(dir string) ([]Package, map[Package][]Package, error) {
// Run `composer show --format=json --no-ansi` to get resolved versions
show, err := c.Show(dir)
if err != nil {
return nil, nil, err
}
pkgMap := make(map[string]Package)
for _, dep := range show.Installed {
pkgMap[dep.Name] = dep
}
// Run `composer show --tree --no-ansi` to get paths
treeOutput, _, err := exec.Run(exec.Cmd{
Name: c.Cmd,
Argv: []string{"show", "--tree", "--no-ansi"},
Dir: dir,
})
if err != nil {
return nil, nil, errors.Wrap(err, "could not get dependency list from Composer")
}
// Skip empty lines.
var filteredLines []string
for _, line := range strings.Split(treeOutput, "\n") {
if line != "" {
filteredLines = append(filteredLines, line)
}
}
imports, deps, err := ReadPackageTree(filteredLines, func(line string) (int, Package, error) {
if line[0] != '`' && line[0] != '|' && line[0] != ' ' {
// We're at a top-level package.
sections := strings.Split(line, " ")
name := sections[0]
log.WithField("name", name).Debug("parsing Composer package")
return 1, pkgMap[name], nil
}
// We're somewhere in the tree.
r := regexp.MustCompile("^([ \\|`-]+)([^ \\|`-][^ ]+) (.*)$")
matches := r.FindStringSubmatch(line)
name := matches[2]
depth := len(matches[1])
if depth%3 != 0 {
// Sanity check
panic(line)
}
level := depth/3 + 1
log.WithFields(log.Fields{
"name": name,
"level": level,
}).Debug("parsing Composer tree")
// Resolve special names
if name == "php" || strings.HasPrefix(name, "ext-") {
return level, Package{Name: name}, nil
}
p, ok := pkgMap[name]
if !ok {
log.WithField("name", name).Warn("could not resolve Composer package version")
return level, Package{Name: name}, nil
}
return level, p, nil
})
if err != nil {
return imports, deps, err
}
// Filter out "comp+php" imports
filteredImports := make([]Package, 0)
for _, currPackage := range imports {
if currPackage.Name != "php" {
filteredImports = append(filteredImports, currPackage)
}
}
// Filter out deps, both parent and children with locator as "php"
filteredDeps := make(map[Package][]Package)
for parent, children := range deps {
if parent.Name != "php" {
_, ok := filteredDeps[parent]
if !ok {
filteredDeps[parent] = make([]Package, 0)
}
for _, child := range children {
if child.Name != "php" {
filteredDeps[parent] = append(filteredDeps[parent], child)
}
}
}
}
return filteredImports, filteredDeps, nil
}
func (c *Composer) Show(dir string) (Show, error) {
// Run `composer show --format=json --no-ansi` to get resolved versions
showOutput, _, err := exec.Run(exec.Cmd{
Name: c.Cmd,
Argv: []string{"show", "--format=json", "--no-ansi"},
Dir: dir,
})
if err != nil {
return Show{}, errors.Wrap(err, "could not get dependency list from Composer")
}
var showJSON Show
err = json.Unmarshal([]byte(showOutput), &showJSON)
if err != nil {
return Show{}, errors.Wrapf(err, "could not parse dependency list as JSON: %#v", showOutput)
}
return showJSON, nil
}
func (c *Composer) Clean(dir string) error {
return files.Rm(dir, "vendor")
}
func (c *Composer) Install(dir string) error {
_, _, err := exec.Run(exec.Cmd{
Name: c.Cmd,
Argv: []string{"install", "--prefer-dist", "--no-dev", "--no-plugins", "--no-scripts"},
Dir: dir,
})
return err
}