rename pkg/ to internal/

6 files changed, 0 insertions, 610 deletions

diff --git a/pkg/prompt/cloud.go b/pkg/prompt/cloud.go
deleted file mode 100644
index 72bd6f9..0000000
--- a/pkg/prompt/cloud.go
+++ /dev/null
@@ -1,83 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import (
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-
-	yaml "gopkg.in/yaml.v2"
-)
-
-func getKubernetesField() string {
-	configPaths := filepath.SplitList(os.Getenv("KUBECONFIG"))
-
-	var context string
-	for _, configPath := range configPaths {
-		context = getKubernetesContext(configPath)
-		if context != "" {
-			break
-		}
-	}
-	if context == "" {
-		return ""
-	}
-
-	namespaceBytes, err := ioutil.ReadFile(filepath.Join(os.Getenv("HOME"), ".kubectl-namespace"))
-	namespace := strings.TrimSpace(string(namespaceBytes))
-	if err != nil {
-		if !os.IsNotExist(err) {
-			handleError(err)
-		}
-		namespace = ""
-	}
-	if namespace != "" {
-		context += "/" + namespace
-	}
-
-	return withType("kube", context)
-}
-
-func getKubernetesContext(configPath string) string {
-	buf, err := ioutil.ReadFile(configPath)
-	if err != nil {
-		//non-existence is acceptable, just make the caller continue with the next configPath
-		if !os.IsNotExist(err) {
-			handleError(err)
-		}
-		return ""
-	}
-
-	var data struct {
-		CurrentContext string `yaml:"current-context"`
-	}
-	err = yaml.Unmarshal(buf, &data)
-	handleError(err)
-	return strings.TrimSpace(data.CurrentContext)
-}
-
-func getOpenstackField() string {
-	cloudName := os.Getenv("CURRENT_OS_CLOUD")
-	if cloudName == "" {
-		return ""
-	}
-	return withType("cloud", cloudName)
-}
diff --git a/pkg/prompt/git.go b/pkg/prompt/git.go
deleted file mode 100644
index 8393c3e..0000000
--- a/pkg/prompt/git.go
+++ /dev/null
@@ -1,138 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import (
-	"fmt"
-	"io/ioutil"
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-type gitRepo struct {
-	RootPath string
-	GitDir   string
-}
-
-//Returns two empty strings if `path` is not inside a Git repo.
-func findRepo(path string) (*gitRepo, error) {
-	//find .git directory or file
-	gitEntry := filepath.Join(path, ".git")
-	fi, err := os.Stat(gitEntry)
-	switch {
-	case err == nil:
-		//found - continue below with further checks
-	case !os.IsNotExist(err):
-		return nil, err
-	case path == "/":
-		return nil, nil
-	default:
-		return findRepo(filepath.Dir(path))
-	}
-
-	//found .git - what is it?
-	if fi.Mode().IsDir() {
-		//normal case - .git is a directory
-		return &gitRepo{RootPath: path, GitDir: gitEntry}, nil
-	}
-
-	//.git is a file (e.g. for submodules) - it contains a line like "gitdir: path/to/gitdir"
-	bytes, err := ioutil.ReadFile(gitEntry)
-	if err != nil {
-		return nil, err
-	}
-	for _, line := range strings.Split(string(bytes), "\n") {
-		line = strings.TrimSpace(line)
-		if strings.HasPrefix(line, "gitdir:") {
-			return &gitRepo{
-				RootPath: path,
-				GitDir:   filepath.Join(path, strings.TrimSpace(strings.TrimPrefix(line, "gitdir:"))),
-			}, nil
-		}
-	}
-
-	return nil, fmt.Errorf("read %s: missing gitdir directive", gitEntry)
-}
-
-func getRepoStatusField(repo *gitRepo) string {
-	if repo == nil {
-		return ""
-	}
-
-	bytes, err := ioutil.ReadFile(filepath.Join(repo.GitDir, "HEAD"))
-	if err != nil {
-		handleError(err)
-		return withType("git", withColor("1;41", "unknown"))
-	}
-	refSpec := strings.TrimSpace(string(bytes))
-
-	//is current HEAD detached?
-	if !strings.HasPrefix(refSpec, "ref: refs/") {
-		return formatRepoStatusField(withColor("1;41", "detached"), refSpec)
-	}
-
-	//current HEAD is a ref
-	refSpec = strings.TrimPrefix(refSpec, "ref: ")
-	refSpecDisplay := strings.TrimPrefix(refSpec, "refs/")
-	refSpecDisplay = strings.TrimPrefix(refSpecDisplay, "heads/")
-
-	//read file corresponding to refspec to find commit ID
-	bytes, err = ioutil.ReadFile(filepath.Join(repo.GitDir, refSpec))
-	commitID := strings.TrimSpace(string(bytes))
-	if err != nil {
-		if os.IsNotExist(err) {
-			commitID = tryReadFromPackedRefs(repo, refSpec)
-			if commitID == "" {
-				commitID = withColor("37", "blank")
-			}
-		} else {
-			handleError(err)
-			commitID = withColor("1;41", "unknown")
-		}
-	}
-
-	return formatRepoStatusField(refSpecDisplay, commitID)
-}
-
-func tryReadFromPackedRefs(repo *gitRepo, refSpec string) string {
-	bytes, err := ioutil.ReadFile(filepath.Join(repo.GitDir, "packed-refs"))
-	if err != nil {
-		return ""
-	}
-	for _, line := range strings.Split(string(bytes), "\n") {
-		line = strings.TrimSpace(line)
-		if line == "" || strings.HasPrefix(line, "#") {
-			continue
-		}
-		fields := strings.Fields(line)
-		if len(fields) == 2 && fields[1] == refSpec {
-			return fields[0]
-		}
-	}
-	return ""
-}
-
-func formatRepoStatusField(refSpec, commitID string) string {
-	//shorten plain commit IDs from 40 to 10 bytes
-	if len(commitID) == 40 && !strings.Contains(commitID, "\x1B") {
-		commitID = commitID[0:10]
-	}
-	return withType("git", refSpec+"/"+commitID)
-}
diff --git a/pkg/prompt/login.go b/pkg/prompt/login.go
deleted file mode 100644
index 92cc270..0000000
--- a/pkg/prompt/login.go
+++ /dev/null
@@ -1,66 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import "os"
-
-//#include <sys/types.h>
-//#include <pwd.h>
-//#include <unistd.h>
-import "C"
-
-func getLoginField() string {
-	var result string
-
-	//show user name
-	userName := getUserName()
-	commonUser := getenvOrDefault("PRETTYPROMPT_COMMONUSER", "stefan")
-	if commonUser != userName {
-		color := "0"
-		if userName == "root" {
-			color = "1;41"
-		}
-		result = withColor(color, userName) + "@"
-	}
-
-	//show hostname
-	hostname, err := os.Hostname()
-	if err != nil {
-		handleError(err)
-		hostname = "<unknown>"
-	}
-	return result + withColor(
-		getenvOrDefault("PRETTYPROMPT_HOSTCOLOR", "0;33"),
-		hostname,
-	)
-}
-
-func getUserName() string {
-	//try to find username via getpwuid(getuid())
-	pw, err := C.getpwuid(C.getuid())
-	if err == nil {
-		return C.GoString(pw.pw_name)
-	}
-	//fallback to $USER, if set
-	if name := os.Getenv("USER"); name != "" {
-		return name
-	}
-	handleError(err)
-	return "<unknown>"
-}
diff --git a/pkg/prompt/main.go b/pkg/prompt/main.go
deleted file mode 100644
index 1fc60d9..0000000
--- a/pkg/prompt/main.go
+++ /dev/null
@@ -1,123 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import (
-	"fmt"
-	"os"
-	"strings"
-
-	"golang.org/x/crypto/ssh/terminal"
-
-	"github.com/majewsky/gofu/pkg/cli"
-)
-
-//Exec executes the prettyprompt applet and returns an exit code (0 for
-//success, >0 for error).
-func Exec(args []string) int {
-	fields := []string{
-		getLoginField(),
-	}
-	cwd := CurrentDirectory()
-	fields = appendUnlessEmpty(fields, getDirectoryField(cwd))
-	fields = appendUnlessEmpty(fields, getDeletedMessageField(cwd))
-	fields = appendUnlessEmpty(fields, getRepoStatusField(cwd.Repo))
-	fields = appendUnlessEmpty(fields, getTerminalField())
-	fields = appendUnlessEmpty(fields, getOpenstackField())
-	fields = appendUnlessEmpty(fields, getKubernetesField())
-	//this field should always be last
-	if len(args) > 0 {
-		fields = appendUnlessEmpty(fields, getExitCodeField(args[0]))
-	}
-
-	line := strings.Join(fields, " ")
-	lineWidth := getPrintableLength(line)
-
-	//add dashes to expand `line` to fill the terminal's width
-	termWidth, _, err := terminal.GetSize(0)
-	if err != nil {
-		termWidth = 80
-	}
-	if termWidth > lineWidth {
-		line += " "
-		lineWidth++
-	}
-	if termWidth > lineWidth {
-		dashes := make([]byte, termWidth-lineWidth)
-		for idx := range dashes {
-			dashes[idx] = '-'
-		}
-		line += withColor("1", string(dashes))
-	}
-
-	os.Stdout.Write([]byte(line + "\n"))
-
-	//print second line: a letter identifying the shell, and the final "$ ")
-	shellIdent := ""
-	switch os.Getenv("PRETTYPROMPT_SHELL") {
-	case "zsh":
-		shellIdent = "Z"
-	case "bash":
-		shellIdent = "B"
-	}
-	os.Stdout.Write([]byte(shellIdent + "$ "))
-
-	return 0
-}
-
-func getenvOrDefault(key, defaultValue string) (value string) {
-	value = os.Getenv(key)
-	if value == "" {
-		value = defaultValue
-	}
-	return
-}
-
-func appendUnlessEmpty(list []string, val string) []string {
-	if val == "" {
-		return list
-	}
-	return append(list, val)
-}
-
-func handleError(err error) {
-	if err != nil {
-		os.Stderr.Write([]byte("\x1B[1;31mPrompt error: " + err.Error() + "\x1B[0m\n"))
-	}
-}
-
-func getPrintableLength(text string) int {
-	return len(cli.AnsiColorCodeRx.ReplaceAllString(text, ""))
-}
-
-//withColor adds ANSI escape sequences to the string to display it with a
-//certain color. The color is given as the semicolon-separated list of
-//arguments to the ANSI escape sequence SGR, e.g. "1;41" for bold with red
-//background.
-func withColor(color, text string) string {
-	if color == "0" {
-		return text
-	}
-	return fmt.Sprintf("\x1B[%sm%s\x1B[0m", color, text)
-}
-
-//withType adds a type annotation with a standardized format to the text.
-func withType(typeStr, text string) string {
-	return fmt.Sprintf("\x1B[37m%s:\x1B[0m%s", typeStr, text)
-}
diff --git a/pkg/prompt/misc.go b/pkg/prompt/misc.go
deleted file mode 100644
index 124015a..0000000
--- a/pkg/prompt/misc.go
+++ /dev/null
@@ -1,43 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import (
-	"os"
-	"strconv"
-)
-
-func getTerminalField() string {
-	termName := os.Getenv("TERM")
-	if termName == "xterm-256color" {
-		return ""
-	}
-	if termName == "" {
-		termName = withColor("1;41", "not set")
-	}
-	return withType("term", termName)
-}
-
-func getExitCodeField(arg string) string {
-	exitCode, err := strconv.Atoi(arg)
-	if err == nil && exitCode > 0 {
-		return withColor("1;31", "exit:"+arg)
-	}
-	return ""
-}
diff --git a/pkg/prompt/pwd.go b/pkg/prompt/pwd.go
deleted file mode 100644
index 1b93987..0000000
--- a/pkg/prompt/pwd.go
+++ /dev/null
@@ -1,157 +0,0 @@
-/*******************************************************************************
-*
-* Copyright 2017 Stefan Majewsky <majewsky@gmx.net>
-*
-* This program is free software: you can redistribute it and/or modify it under
-* the terms of the GNU General Public License as published by the Free Software
-* Foundation, either version 3 of the License, or (at your option) any later
-* version.
-*
-* This program is distributed in the hope that it will be useful, but WITHOUT ANY
-* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-* A PARTICULAR PURPOSE. See the GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License along with
-* this program. If not, see <http://www.gnu.org/licenses/>.
-*
-*******************************************************************************/
-
-package prompt
-
-import (
-	"os"
-	"path/filepath"
-	"strings"
-)
-
-//Directory contains all data about a directory that the prompt needs.
-type Directory struct {
-	Path                  string
-	DisplayPath           string
-	InBuildTree           bool
-	InRepoTree            bool
-	Repo                  *gitRepo
-	NearestAccessiblePath string
-}
-
-//CurrentDirectory prepares a Directory struct for the current working
-//directory.
-func CurrentDirectory() Directory {
-	cwd, err := os.Getwd()
-	if err != nil {
-		cwd = filepath.Clean(os.Getenv("PWD"))
-	}
-	return NewDirectory(cwd)
-}
-
-//NewDirectory prepares a Directory struct for the given path.
-func NewDirectory(path string) (dir Directory) {
-	dir.Path = path
-	dir.DisplayPath = path
-
-	//check if path actually exists
-	dir.NearestAccessiblePath = findNearestAccessiblePath(dir.Path)
-	if dir.NearestAccessiblePath == dir.Path {
-		//marks that everything is okay existence-wise
-		dir.NearestAccessiblePath = ""
-
-		//display tag if below /x/build
-		if buildPath := os.Getenv("BUILD_ROOT"); buildPath != "" {
-			rel, _ := filepath.Rel(buildPath, dir.DisplayPath)
-			if !strings.HasPrefix(rel, "..") && rel != "." {
-				dir.InBuildTree = true
-				dir.DisplayPath = filepath.Join("/", rel)
-			}
-		}
-
-		//display tag if below /x/src
-		if gopath := os.Getenv("GOPATH"); gopath != "" {
-			repoPath := filepath.Join(gopath, "src")
-			rel, _ := filepath.Rel(repoPath, dir.DisplayPath)
-			if !strings.HasPrefix(rel, "..") && rel != "." {
-				dir.InRepoTree = true
-				dir.DisplayPath = rel
-			}
-		}
-
-		//strip $HOME prefix if applicable and desirable
-		dir.stripHomeDirFromDisplay()
-
-		//check if we are inside a Git repository
-		var err error
-		dir.Repo, err = findRepo(dir.Path)
-		handleError(err)
-	}
-
-	return
-}
-
-//This part can benefit from a "return" in the middle, so it's in a separate function.
-func (dir *Directory) stripHomeDirFromDisplay() {
-	if !strings.HasPrefix(dir.DisplayPath, "/") {
-		return
-	}
-
-	homePath := os.Getenv("HOME")
-	if homePath == "" {
-		return
-	}
-
-	rel, _ := filepath.Rel(homePath, dir.DisplayPath)
-	if rel == "." {
-		//do not display an empty DisplayPath if tags are displayed
-		if dir.InBuildTree || dir.InRepoTree {
-			return
-		}
-		rel = ""
-	}
-	if !strings.HasPrefix(rel, "..") {
-		dir.DisplayPath = rel
-	}
-}
-
-func findNearestAccessiblePath(path string) string {
-	_, err := os.Stat(path)
-	if err == nil {
-		return path
-	}
-	return findNearestAccessiblePath(filepath.Dir(path))
-}
-
-func getDirectoryField(dir Directory) string {
-	if dir.DisplayPath == "" {
-		return ""
-	}
-
-	txt := withColor("1;36", dir.DisplayPath)
-	if dir.NearestAccessiblePath == "" {
-		//cwd accessible -> highlight path elements inside the repo (if any)
-		if dir.Repo != nil && dir.Repo.RootPath != dir.Path {
-			rel, _ := filepath.Rel(dir.Repo.RootPath, dir.Path)
-			if strings.HasSuffix(dir.DisplayPath, rel) {
-				base := strings.TrimSuffix(dir.DisplayPath, rel)
-				txt = withColor("0;36", base) + withColor("1;36", rel)
-			}
-		}
-	} else {
-		//cwd inaccessible -> highlight inaccessible path elements
-		rel, _ := filepath.Rel(dir.NearestAccessiblePath, dir.Path)
-		txt = withColor("1;36", dir.NearestAccessiblePath+"/") + withColor("1;31", rel)
-	}
-
-	//apply tags
-	if dir.InRepoTree {
-		txt = withType("repo", txt)
-	}
-	if dir.InBuildTree {
-		txt = withType("build", txt)
-	}
-	return txt
-}
-
-func getDeletedMessageField(dir Directory) string {
-	if dir.NearestAccessiblePath == "" {
-		return ""
-	}
-	return withColor("1;41", "cannot stat cwd")
-}