diff options
Diffstat (limited to 'clone.go')
| -rw-r--r-- | clone.go | 262 |
1 files changed, 0 insertions, 262 deletions
diff --git a/clone.go b/clone.go deleted file mode 100644 index 19a1b6a..0000000 --- a/clone.go +++ /dev/null @@ -1,262 +0,0 @@ -package repostatus - -import ( - "errors" - "io/ioutil" - "net/http" - "os" - "path/filepath" - "strings" - - "go.wit.com/lib/gui/shell" - "go.wit.com/log" -) - -// guess the paths. returns - -// realpath : the actual path on the filesystem -// goSrcPath : this could be ~/go/src, or where the go.work file is - -// goPath : go.wit.com/lib/gui/repostatus (for example) -// true/false if the repo is a golang repo -func guessPaths(path string) (string, string, string, bool, error) { - var realpath, goSrcDir string - var isGoLang bool = false - - homeDir, err := os.UserHomeDir() - if err != nil { - log.Log(WARN, "Error getting home directory:", err) - return path, realpath, goSrcDir, false, err - } - goSrcDir = filepath.Join(homeDir, "go/src") - - // allow arbitrary paths, otherwise, assume the repo is in ~/go/src - // unless REPO_WORK_PATH was set. to over-ride ~/go/src - // todo, look for go.work - if os.Getenv("REPO_WORK_PATH") == "" { - os.Setenv("REPO_WORK_PATH", goSrcDir) - } else { - goSrcDir = os.Getenv("REPO_WORK_PATH") - } - - // todo: this is dumb - if strings.HasPrefix(path, "/") { - realpath = path - } else if strings.HasPrefix(path, "~") { - tmp := strings.TrimPrefix(path, "~") - realpath = filepath.Join(homeDir, tmp) - } else { - realpath = filepath.Join(goSrcDir, path) - isGoLang = true - } - - if os.Getenv("REPO_AUTO_CLONE") == "true" { - err := Clone(goSrcDir, path) - if err != nil { - // directory doesn't exist. exit with nil and error nil - return path, realpath, goSrcDir, false, errors.New("git clone") - } - } - - if !IsDirectory(realpath) { - log.Log(REPOWARN, "directory doesn't exist", realpath) - // directory doesn't exist. exit with nil and error nil - return path, realpath, goSrcDir, false, errors.New(realpath + " does not exist") - } - - filename := filepath.Join(realpath, ".git/config") - - _, err = os.Open(filename) - if err != nil { - // log.Log(WARN, "Error reading .git/config:", filename, err) - // log.Log(WARN, "TODO: find .git/config in parent directory") - return path, realpath, goSrcDir, false, err - } - return path, realpath, goSrcDir, isGoLang, nil -} - -// TODO: make some config file for things like this -// can be used to work around temporary problems -func clonePathHack(dirname string, basedir string, gopath string) error { - // newdir = helloworld - // basedir = /home/jcarr/go/src/go.wit.com/apps - // giturl = https://gitea.wit.com/gui/helloworld - // func cloneActual(newdir, basedir, giturl string) error { - - switch gopath { - case "golang.org/x/crypto": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/crypto") - case "golang.org/x/mod": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/mod") - case "golang.org/x/net": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/net") - case "golang.org/x/sys": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/sys") - case "golang.org/x/sync": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/sync") - case "golang.org/x/term": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/term") - case "golang.org/x/text": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/text") - case "golang.org/x/tools": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/tools") - case "golang.org/x/xerrors": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/xerrors") - case "google.golang.org/protobuf": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/protobuf") - case "google.golang.org/genproto": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/genproto") - case "google.golang.org/api": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/api") - case "google.golang.org/grpc": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/grpc") - case "google.golang.org/appengine": - return cloneActual(dirname, basedir, "https://"+"go.googlesource.com/appengine") - } - - return errors.New("no gopath override here") -} - -// attempt to git clone if the go path doesn't exist -// does a git clone, if it works, returns true -// workdir = /home/jcarr/go/src/ -// gopath = go.wit.com/apps/helloworld -func Clone(workdir, gopath string) error { - fullpath := filepath.Join(workdir, gopath) - dirname := filepath.Base(fullpath) - - basedir := strings.TrimSuffix(fullpath, dirname) - - var err error - url := "https://" + gopath - log.Info("trying git clone") - log.Info("gopath =", gopath) - - // try a direct git clone against the gopath - // cloneActual("helloworld", "/home/jcarr/go/src/go.wit.com/apps", "https://go.wit.com/apps/helloworld") - if err = cloneActual(dirname, basedir, url); err == nil { - // git clone worked! - return nil - } - log.Info("direct attempt at git clone failed", url) - - // if direct git clone doesn't work, look for a redirect - // go directly to the URL as that is autoritive. If that failes - // try the go package system as maybe the git site no longer exists - if url, err = findGoImport(url); err != nil { - log.Info("findGoImport() DID NOT WORK", url) - log.Info("findGoImport() DID NOT WORK", err) - } else { - if err := cloneActual(dirname, basedir, url); err == nil { - // git clone worked! - return nil - } - } - log.Info("git clone from 'go-import' info failed", url) - - // query the golang package system for the last known location - // NOTE: take time to thank the go developers and google for designing this wonderful system - if url, err = runGoList(gopath); err != nil { - log.Info("go list failed", err) - } else { - if err := cloneActual(dirname, basedir, url); err == nil { - // git clone worked! - return nil - } - } - log.Info("git clone from 'git list' info failed", url) - - // try to parse a redirect - - if err = clonePathHack(dirname, basedir, gopath); err == nil { - // WTF didn't go-import or go list work? - return nil - } - - return errors.New("can not find git sources for gopath " + gopath) -} - -// newdir = helloworld -// basedir = /home/jcarr/go/src/go.wit.com/apps -// giturl = https://gitea.wit.com/gui/helloworld -func cloneActual(newdir, basedir, giturl string) error { - log.Info("cloneActual() newdir =", newdir) - log.Info("cloneActual() basedir =", basedir) - log.Info("cloneActual() giturl =", giturl) - if !IsDirectory(basedir) { - os.MkdirAll(basedir, 0750) - } - err := os.Chdir(basedir) - if err != nil { - log.Warn("chdir failed", basedir, err) - return err - } - - cmd := []string{"git", "clone", "--verbose", "--progress", giturl, newdir} - log.Info("Running:", cmd) - r := shell.PathRunRealtime(basedir, cmd) - if r.Error != nil { - log.Warn("git clone error", r.Error) - return r.Error - } - - fullpath := filepath.Join(basedir, newdir) - if !IsDirectory(fullpath) { - log.Info("git clone failed", giturl) - return errors.New("git clone failed " + giturl) - } - gitdir := filepath.Join(fullpath, ".git") - if IsDirectory(gitdir) { - log.Info("git cloned worked to", fullpath) - return nil - } - // git clone didn't really work but did make a directory - log.Info("fullpath is probably empty", fullpath) - panic("crapnuts. rmdir fullpath here?") -} - -// check the server for the current go path to git url mapping -// for example: -// This will check go.wit.com for "go.wit.com/apps/go-clone" -// and return where the URL to do git clone should be -func findGoImport(url string) (string, error) { - resp, err := http.Get(url) - if err != nil { - return "", err - } - defer resp.Body.Close() - - bodyBytes, err := ioutil.ReadAll(resp.Body) - if err != nil { - return "", err - } - - tmp := string(bodyBytes) - parts := strings.Split(tmp, "go-import") - if len(parts) < 2 { - return "", errors.New("missing go-import") - } - // this is terrible, it doesn't even look for 'content=' - // but again, this is just a hack for my own code to be - // usuable after the removal in go v1.22 of the go get clone behavior that was in v1.21 - parts = strings.Split(parts[1], "\"") - var newurl string - for { - if len(parts) == 0 { - break - } - tmp := strings.TrimSpace(parts[0]) - fields := strings.Split(tmp, " ") - // log.Info("FIELDS:", fields) - if len(fields) == 3 { - newurl = fields[2] - break - } - parts = parts[1:] - } - if newurl == "" { - return "", errors.New("missing git content string") - } - - return newurl, nil -} |