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dependency.go
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dependency.go
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package main
import (
"bufio"
"encoding/json"
"fmt"
"regexp"
"strings"
"github.com/willabides/bindown/v3"
"github.com/willabides/bindown/v3/internal/builddep"
"gopkg.in/yaml.v2"
)
type dependencyCmd struct {
List dependencyListCmd `kong:"cmd,help='list configured dependencies'"`
Add dependencyAddCmd `kong:"cmd,help='add a template-based dependency'"`
AddByUrls dependencyAddByUrlsCmd `kong:"cmd,help='add a dependency by urls'"`
AddByGithubRelease dependencyAddByGithubReleaseCmd `kong:"cmd,help='add a dependency by github release'"`
Remove dependencyRemoveCmd `kong:"cmd,help='remove a dependency'"`
Info dependencyInfoCmd `kong:"cmd,help='info about a dependency'"`
ShowConfig dependencyShowConfigCmd `kong:"cmd,help='show dependency config'"`
UpdateVars dependencyUpdateVarsCmd `kong:"cmd,help='update dependency vars'"`
Validate dependencyValidateCmd `kong:"cmd,help='validate that installs work'"`
}
type dependencyUpdateVarsCmd struct {
Dependency string `kong:"arg,predictor=bin"`
Set map[string]string `kong:"help='add or update a var'"`
Unset []string `kong:"help='remove a var'"`
SkipChecksums bool `kong:"name=skipchecksums,help='do not update checksums for this dependency'"`
}
func (c *dependencyUpdateVarsCmd) Run(ctx *runContext) error {
config, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
if len(c.Set) > 0 {
err = config.SetDependencyVars(c.Dependency, c.Set)
if err != nil {
return err
}
}
if len(c.Unset) > 0 {
err = config.UnsetDependencyVars(c.Dependency, c.Unset)
if err != nil {
return err
}
}
missingVars, err := config.MissingDependencyVars(c.Dependency)
if err != nil {
return err
}
if len(missingVars) == 0 && !c.SkipChecksums {
err = config.AddChecksums([]string{c.Dependency}, nil)
if err != nil {
return err
}
}
return config.Write(ctx.rootCmd.JSONConfig)
}
type dependencyShowConfigCmd struct {
Dependency string `kong:"arg,predictor=bin"`
}
func (c *dependencyShowConfigCmd) Run(ctx *runContext) error {
cfg, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
if cfg.Dependencies == nil || cfg.Dependencies[c.Dependency] == nil {
return fmt.Errorf("no dependency named %q", c.Dependency)
}
if ctx.rootCmd.JSONConfig {
encoder := json.NewEncoder(ctx.stdout)
encoder.SetIndent("", " ")
return encoder.Encode(cfg.Dependencies[c.Dependency])
}
return yaml.NewEncoder(ctx.stdout).Encode(cfg.Dependencies[c.Dependency])
}
type dependencyInfoCmd struct {
Dependency string `kong:"arg,predictor=bin"`
Systems []bindown.SystemInfo `kong:"name=system,help=${systems_help},predictor=allSystems"`
Vars bool `kong:"help='include vars'"`
}
func (c *dependencyInfoCmd) Run(ctx *runContext) error {
cfg, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
systems := c.Systems
if len(systems) == 0 {
systems, err = cfg.DependencySystems(c.Dependency)
if err != nil {
return err
}
}
result := map[string]*bindown.Dependency{}
for _, system := range systems {
dep, err := cfg.BuildDependency(c.Dependency, system)
if err != nil {
return err
}
if dep.BinName == nil {
dep.BinName = &c.Dependency
}
dep.Systems = nil
if !c.Vars {
dep.Vars = nil
dep.RequiredVars = nil
}
result[system.String()] = dep
}
if ctx.rootCmd.JSONConfig {
encoder := json.NewEncoder(ctx.stdout)
encoder.SetIndent("", " ")
return encoder.Encode(result)
}
return yaml.NewEncoder(ctx.stdout).Encode(result)
}
type dependencyListCmd struct{}
func (c *dependencyListCmd) Run(ctx *runContext) error {
cfg, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
fmt.Fprintln(ctx.stdout, strings.Join(allDependencies(cfg), "\n"))
return nil
}
type dependencyRemoveCmd struct {
Dependency string `kong:"arg,predictor=bin"`
}
func (c *dependencyRemoveCmd) Run(ctx *runContext) error {
cfg, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
if cfg.Dependencies == nil {
return fmt.Errorf("no dependency named %q", c.Dependency)
}
if _, ok := cfg.Dependencies[c.Dependency]; !ok {
return fmt.Errorf("no dependency named %q", c.Dependency)
}
delete(cfg.Dependencies, c.Dependency)
return cfg.Write(ctx.rootCmd.JSONConfig)
}
type dependencyAddCmd struct {
Name string `kong:"arg"`
Template string `kong:"arg,predictor=template"`
TemplateSource string `kong:"name=source,help='template source',predictor=templateSource"`
Vars map[string]string `kong:"name=var"`
SkipRequiredVars bool `kong:"name=skipvars,help='do not prompt for required vars'"`
SkipChecksums bool `kong:"name=skipchecksums,help='do not add checksums for this dependency'"`
}
func (c *dependencyAddCmd) Run(ctx *runContext) error {
config, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
tmpl := c.Template
tmplSrc := c.TemplateSource
if tmplSrc == "" {
tmplParts := strings.SplitN(tmpl, "#", 2)
if len(tmplParts) == 2 {
tmpl = tmplParts[1]
tmplSrc = tmplParts[0]
}
}
if c.Vars == nil {
c.Vars = map[string]string{}
}
err = config.AddDependencyFromTemplate(ctx, tmpl, &bindown.AddDependencyFromTemplateOpts{
DependencyName: c.Name,
TemplateSource: tmplSrc,
Vars: c.Vars,
})
if err != nil {
return err
}
missingVars, err := config.MissingDependencyVars(c.Name)
if err != nil {
return err
}
hasMissingVars := len(missingVars) > 0
if hasMissingVars && !c.SkipRequiredVars {
hasMissingVars = false
scanner := bufio.NewScanner(ctx.stdin)
for _, missingVar := range missingVars {
fmt.Fprintf(ctx.stdout, "Please enter a value for required variable %q:\t", missingVar)
scanner.Scan()
err = scanner.Err()
if err != nil {
return err
}
val := scanner.Text()
config.Dependencies[c.Name].Vars[missingVar] = val
}
}
if !hasMissingVars && !c.SkipChecksums {
err = config.AddChecksums([]string{c.Name}, nil)
if err != nil {
return err
}
}
return config.Write(ctx.rootCmd.JSONConfig)
}
type dependencyAddByUrlsCmd struct {
Name string `kong:"arg,help='dependency name'"`
Version string `kong:"arg,help='dependency version'"`
Homepage string `kong:"name=homepage,help='dependency homepage'"`
Description string `kong:"name=description,help='dependency description'"`
URL []string `kong:"arg,help='dependency URL'"`
Force bool `kong:"name=force,help='overwrite existing dependency'"`
Experimental bool `kong:"required,name=experimental,help='enable experimental features',env='BINDOWN_EXPERIMENTAL'"`
}
func (c *dependencyAddByUrlsCmd) Run(ctx *runContext) error {
config, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
if config.Dependencies != nil && config.Dependencies[c.Name] != nil && !c.Force {
return fmt.Errorf("dependency %q already exists", c.Name)
}
err = builddep.AddDependency(ctx, &config.Config, c.Name, c.Version, c.Homepage, c.Description, c.URL)
if err != nil {
return err
}
return config.Write(ctx.rootCmd.JSONConfig)
}
type dependencyAddByGithubReleaseCmd struct {
Release string `kong:"arg,help='github release URL or \"owner/repo(@tag)\"'"`
Name string `kong:"name to use instead of repo name"`
Version string `kong:"version to use instead of release tag"`
Homepage string `kong:"name=homepage,help='dependency homepage'"`
Description string `kong:"name=description,help='dependency description'"`
Force bool `kong:"name=force,help='overwrite existing dependency'"`
Experimental bool `kong:"required,name=experimental,help='enable experimental features',env='BINDOWN_EXPERIMENTAL'"`
GithubToken string `kong:"hidden,env='GITHUB_TOKEN'"`
}
var (
releaseShortExp = regexp.MustCompile(`^([^/]+)/([^/^@]+)@?(.+)?$`)
releaseURLExp = regexp.MustCompile(`^https://github\.com/([^/]+)/([^/]+)/releases/tag/([^/]+)`)
)
func (c *dependencyAddByGithubReleaseCmd) Run(ctx *runContext) error {
config, err := loadConfigFile(ctx, true)
if err != nil {
return err
}
var owner, repo, tag string
switch {
case releaseURLExp.MatchString(c.Release):
m := releaseURLExp.FindStringSubmatch(c.Release)
owner, repo, tag = m[1], m[2], m[3]
case releaseShortExp.MatchString(c.Release):
m := releaseShortExp.FindStringSubmatch(c.Release)
owner, repo, tag = m[1], m[2], m[3]
default:
return fmt.Errorf(`invalid release URL or "owner/repo(@tag)"`)
}
urls, releaseVer, repoPage, repoDesc, err := builddep.QueryGitHubRelease(ctx, fmt.Sprintf("%s/%s", owner, repo), tag, c.GithubToken)
if err != nil {
return err
}
ver := c.Version
if ver == "" {
ver = releaseVer
}
name := c.Name
if name == "" {
name = repo
}
homepage := c.Homepage
if homepage == "" {
homepage = repoPage
}
description := c.Description
if description == "" {
description = repoDesc
}
if config.Dependencies != nil && config.Dependencies[name] != nil && !c.Force {
return fmt.Errorf("dependency %q already exists", name)
}
err = builddep.AddDependency(ctx, &config.Config, name, ver, homepage, description, urls)
if err != nil {
return err
}
return config.Write(ctx.rootCmd.JSONConfig)
}
type dependencyValidateCmd struct {
Dependency string `kong:"arg,predictor=bin"`
Systems []bindown.SystemInfo `kong:"name=system,predictor=allSystems"`
}
func (d dependencyValidateCmd) Run(ctx *runContext) error {
config, err := loadConfigFile(ctx, false)
if err != nil {
return err
}
return config.Validate([]string{d.Dependency}, d.Systems)
}