/
project.go
139 lines (121 loc) · 3.08 KB
/
project.go
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package core
import (
"github.com/ghodss/yaml"
"github.com/tidwall/gjson"
"io/ioutil"
"path/filepath"
"sort"
"strings"
)
// Project represents a parsed project
type Project struct {
Src string
Cwd string
Name string
Desc string
Tags []string
Discover []string
Mixin []string
Env map[string]string
EnvFiles []string
Tasks map[string]Task
}
// ParseProject parses the given project
func ParseProject(path string) (Project, error) {
src, err := filepath.Abs(path)
if err != nil {
return Project{}, err
}
if filepath.Ext(src) != ".yml" {
return ParseProject(filepath.Join(src, "myke.yml"))
}
p, err := loadProjectYAML(src)
if err != nil {
return Project{}, err
}
p.Src = src
p.Cwd = filepath.Dir(src)
p.EnvFiles = append(p.EnvFiles, strings.TrimSuffix(src, ".yml")+".env")
for _, epath := range p.EnvFiles {
p.Env = mergeEnv(p.Env, loadEnvFile(normalizeFilePath(p.Cwd, epath)))
p.Env = mergeEnv(p.Env, loadEnvFile(normalizeFilePath(p.Cwd, epath+".local")))
}
p.Env = mergeEnv(p.Env, OsEnv())
p.Env["PATH"] = normalizeEnvPaths(p.Cwd, p.Env["PATH"])
for _, epath := range p.Mixin {
if p, err = mixinProject(p, epath); err != nil {
return Project{}, err
}
}
return p, nil
}
func loadProjectYAML(path string) (Project, error) {
bytes, err := ioutil.ReadFile(path)
if err != nil {
return Project{}, err
}
jsonbytes, err := yaml.YAMLToJSON(bytes)
if err != nil {
return Project{}, err
}
json := gjson.Parse(string(jsonbytes))
return loadProjectJSON(json), nil
}
func loadProjectJSON(json gjson.Result) Project {
p := Project{}
if j := json.Get("project"); j.Exists() {
p.Name = j.String()
}
if j := json.Get("desc"); j.Exists() {
p.Desc = j.String()
}
if j := json.Get("discover"); j.Exists() {
for _, s := range j.Array() {
p.Discover = append(p.Discover, s.String())
}
}
if j := json.Get("mixin"); j.Exists() {
for _, s := range j.Array() {
p.Mixin = append(p.Mixin, s.String())
}
}
p.Env = make(map[string]string)
if j := json.Get("env"); j.Exists() {
for k, v := range j.Map() {
p.Env[k] = v.String()
}
}
if j := json.Get("env_files"); j.Exists() {
for _, s := range j.Array() {
p.EnvFiles = append(p.EnvFiles, s.String())
}
}
if j := json.Get("tags"); j.Exists() {
for _, s := range j.Array() {
p.Tags = append(p.Tags, s.String())
}
sort.Strings(p.Tags)
}
p.Tasks = make(map[string]Task)
if j := json.Get("tasks"); j.Exists() {
for k, v := range j.Map() {
p.Tasks[k] = loadTaskJSON(k, v)
}
}
return p
}
func mixinProject(child Project, path string) (Project, error) {
parent, err := ParseProject(normalizeFilePath(child.Cwd, path))
if err != nil {
return Project{}, err
}
child.Tags = mergeTags(parent.Tags, child.Tags)
child.Discover = mergeTags(parent.Discover, child.Discover)
child.EnvFiles = mergeTags(parent.EnvFiles, child.EnvFiles)
child.Env = mergeEnv(parent.Env, child.Env)
sort.Strings(child.Tags)
for taskName, parentTask := range parent.Tasks {
child.Tasks[taskName] = mixinTask(taskName, child.Tasks[taskName], parentTask)
}
return child, nil
}