// IsBranch determines if a version (branch, commit hash, tag) is a branch (i.e. can we pull from the remote).
// Assumes we are already in a sub directory of the repo
func (g *Git) isBranch(name string) (result bool) {
c := exec.Command("git", "branch", "-r")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git branch -r"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
return false
}
// get the string version but also strip the trailing newline
stringOut := string(out[0 : len(out)-1])
lines := strings.Split(stringOut, "\n")
for _, val := range lines {
// for "origin/HEAD -> origin/master"
arr := strings.Split(val, " -> ")
remoteBranch := arr[0]
// for normal "origin/develop"
arr = strings.Split(remoteBranch, "/")
branch := arr[1]
if branch == name {
return true
}
}
return
}
// SetupVCS configures the VCS depending on the type
func (d *Dependency) SetupVCS(name string) (err error) {
switch d.Type {
case TypeGitClone:
if d.Alias == "" {
util.PrintIndent(colors.Red("Error: Dependency " + name + ": Repo '" + d.Repo + "' Type '" + d.Type + "' requires 'alias' field"))
err = ErrMissingAlias
return
}
d.VCS = new(Git)
case TypeGit:
d.VCS = new(Git)
case TypeBzr:
d.VCS = new(Bzr)
case TypeHg:
d.VCS = new(Hg)
default:
util.PrintIndent(colors.Red(d.Repo + ": Unknown repository type (" + d.Type + "), skipping..."))
util.PrintIndent(colors.Red("Valid Repository types: " + TypeGit + ", " + TypeHg + ", " + TypeBzr + ", " + TypeGitClone))
err = ErrUnknownType
}
if d.Type != TypeGitClone && d.Alias != "" {
util.Print(colors.Yellow("Warning: " + d.Repo + ": 'alias' field only allowed in dependencies with type 'git-clone', skipping..."))
d.Alias = ""
}
return
}
//GetHead - Render a revspec to a commit ID
func (g *Git) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
c := exec.Command("git", "rev-parse", d.Version)
{
var out_bytes []byte
out_bytes, err = c.CombinedOutput()
hash = strings.TrimSuffix(string(out_bytes), "\n")
}
util.Cd(pwd)
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git rev-parse " + d.Version))
util.PrintIndent(colors.Red(string(hash)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the bzr repo
func (b *Bzr) LastCommit(d *Dependency, branch string) (hash string, err error) {
c := exec.Command("bzr", "log", "--line")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("bzr log --line"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Split(string(out), ":")[0]
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the hg repo
func (h *Hg) LastCommit(d *Dependency, branch string) (hash string, err error) {
c := exec.Command("hg", "log", "--template='{node}\n'", "--limit=1")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg log --template='{node}\n' --limit=1"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Replace(string(out), "\n", "", -1)
return
}
//Read - get top-level frozen dependencies
func Read(deps dep.DependencyMap) (result string) {
var err error
var resultMap = make(map[string]*dep.Dependency)
util.Print(colors.Yellow("NOTE: This will not reflect the state of the remote unless you have just run `depman install`."))
for k, v := range deps.Map {
if v.Type == dep.TypeGitClone && v.Alias == "" {
util.PrintIndent(colors.Red("Error: Repo '" + k + "' Type '" + v.Type + "' requires 'alias' field (defined in " + deps.Path + ")"))
continue
}
v.Version, err = v.VCS.GetHead(v)
if err != nil {
util.Fatal(err)
}
resultMap[k] = v
}
//not changing the logic in the loop because we might want to change the print format later
for _, v := range resultMap {
result += fmt.Sprintf("%s %s\n", v.Repo, v.Version)
}
return
}
// LastCommit retrieves the version number of the last commit on branch
// Assumes that the current working directory is in the git repo
func (g *Git) LastCommit(d *Dependency, branch string) (hash string, err error) {
if !g.isBranch(branch) {
err = errors.New("Branch '" + branch + "' is not a valid branch")
return
}
c := exec.Command("git", "log", "-1", "--format=%H")
out, err := c.CombinedOutput()
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("git log -1 --format=%H"))
util.PrintIndent(colors.Red(string(out)))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
hash = strings.Replace(string(out), "\n", "", -1)
return
}
//GetHead - Render a revspec to a commit ID
func (b *Bzr) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
defer util.Cd(pwd)
out, err := exec.Command("bzr", "revno", d.Version).CombinedOutput()
hash = strings.TrimSuffix(string(out), "\n")
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("bzr revno " + d.Version))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
//GetHead - Render a revspec to a commit ID
func (h *Hg) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
defer util.Cd(pwd)
out, err := exec.Command("hg", "id", "-i").CombinedOutput()
hash = strings.TrimSuffix(string(out), "\n")
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg id -i"))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
//ReadRecursively - get frozen dependencies recursively
func ReadRecursively(deps dep.DependencyMap, set map[string]string) (result string) {
var err error
if set == nil {
util.Print(colors.Yellow("NOTE: This will not reflect the state of the remote unless you have just run `depman install`."))
set = make(map[string]string)
}
for name, d := range deps.Map {
var subPath string
var depsFile string
var subDeps dep.DependencyMap
if _, ok := set[d.Repo]; ok {
continue
}
if d.Type == dep.TypeGitClone && d.Alias == "" {
util.PrintIndent(colors.Red("Error: Repo '" + name + "' Type '" + d.Type + "' requires 'alias' field (defined in " + deps.Path + ")"))
continue
}
{
var temp string
temp, err = d.VCS.GetHead(d)
if err != nil {
util.Fatal(err)
}
set[d.Repo] = temp
result += fmt.Sprintf("%s %s\n", d.Repo, temp)
}
subPath = d.Path()
// Recursive
depsFile = util.UpwardFind(subPath, dep.DepsFile)
if depsFile != "" {
subDeps, err = dep.Read(depsFile)
if err == nil {
result += ReadRecursively(subDeps, set)
} else {
util.Print(colors.Yellow("Error reading deps from '" + subDeps.Path + "': " + err.Error()))
}
}
}
return
}
//GetHead - Render a revspec to a commit ID
func (h *Hg) GetHead(d *Dependency) (hash string, err error) {
var pwd string
pwd = util.Pwd()
util.Cd(d.Path())
{
var out_bytes []byte
out_bytes, err = exec.Command("hg", "id", "-i", d.Version).CombinedOutput()
hash = strings.TrimSuffix(string(out_bytes), "\n")
}
util.Cd(pwd)
if err != nil {
util.Print("pwd: " + util.Pwd())
util.PrintIndent(colors.Red("hg id -i " + d.Version))
util.PrintIndent(colors.Red(hash))
util.PrintIndent(colors.Red(err.Error()))
util.Fatal("")
}
return
}
// Update rewrites Dependency name in deps.json to use the last commit in branch as version
func Update(deps dep.DependencyMap, name string, branch string) {
util.Print(colors.Blue("Updating:"))
d, ok := deps.Map[name]
if !ok {
util.Fatal(colors.Red("Dependency Name '" + name + "' not found in deps.json"))
}
// record the old version
oldVersion := d.Version
// temporarily use the branch
d.Version = branch
pwd := util.Pwd()
util.Cd(d.Path())
d.VCS.Checkout(d)
d.VCS.Update(d)
// get the last commit on the newly checked out branch
v, err := d.VCS.LastCommit(d, branch)
if err != nil {
util.Fatal(err)
}
// set the version to be the last commit
d.Version = v
util.PrintIndent(colors.Blue(name) + " (" + oldVersion + " --> " + d.Version + ")")
util.Cd(pwd)
deps.Map[name] = d
deps.Write()
install.Install(deps)
}
// Clean cleans a git repo: `git reset --hard HEAD ; git clean -fd`
func (g *Git) Clean(d *Dependency) {
util.PrintIndent(colors.Red("Cleaning:") + colors.Blue(" git reset --hard HEAD"))
util.RunCommand("git reset --hard HEAD")
util.RunCommand("git clean -fd")
return
}
func (h *Hg) Clean(d *Dependency) {
util.PrintIndent(colors.Red("Cleaning:") + colors.Blue(" hg up --clean "+d.Version))
util.RunCommand("hg up --clean " + d.Version)
return
}