refactor: rework plugin structure and add pages action (#7)

.dictionary

@@ -3,3 +3,4 @@ github
 url
 gh
 drone-git-action
+rsync

_docs/content/_index.md

@@ -24,9 +24,12 @@ kind: pipeline
 name: default
 
 steps:
-  - name: commit artifact
+  - name: commit changelog
     image: thegeeklab/drone-git-action
     settings:
+      action:
+        - commit
+        - push
       netrc_password: ghp_3LbMg9Kncpdkhjp3bh3dMnKNXLjVMTsXk4sM
       author_name: octobot
       author_email: octobot@example.com
@@ -41,6 +44,30 @@ steps:
 <!-- spellchecker-enable -->
 <!-- prettier-ignore-end -->
 
+### Examples
+
+#### Publish GitHub pages
+
+The plugin can be used to publish GitHub pages to the pages branch. Remember that the `pages` action cannot be combined with other actions.
+
+```YAML
+kind: pipeline
+name: default
+
+steps:
+  - name: publish
+    image: thegeeklab/drone-git-action
+    settings:
+      action:
+        - pages
+      author_email: bot@thegeeklab.de
+      author_name: thegeeklab-bot
+      message: "update pages"
+      branch: gh-pages
+      pages_directory: docs/
+      netrc_password: ghp_3LbMg9Kncpdkhjp3bh3dMnKNXLjVMTsXk4sM
+```
+
 ## Build
 
 Build the binary with the following command:

_docs/data/data.yaml

@@ -1,7 +1,14 @@
 ---
 properties:
-  - name: actions
-    description: "Git actions to to execute. Supported actions: `clone|commit|push`."
+  - name: action
+    description: |
+      Git actions to be executed. Supported actions: `clone | commit | push | pages`. Specified actions are executed in the specified order
+
+      - **clone:** Clones the repository in `remote` and checks out the `branch` to `path`.
+      - **commit:** Adds a commit to the default drone repository or the repository in `remote`.
+      - **push:** Pushes all commits to the default drone repository or the repository set in `remote`.
+      - **pages:** The `pages` action is a special action that cannot be combined with other actions. It is intended for use for
+        GitHub pages. It synchronizes the contents of `pages_directory` with the target `branch` using `rsync` and pushes the changes automatically.
     required: true
     type: list
 
@@ -43,7 +50,7 @@ properties:
     type: string
 
   - name: path
-    description: Path to git repository.
+    description: Path to clone the git repository.
     type: string
 
   - name: message
@@ -75,3 +82,17 @@ properties:
     description: Bypass the pre-commit and commit-msg hooks.
     defaultvalue: false
     type: bool
+
+  - name: pages_directory
+    description: Source directory to be synchronized with the pages `branch`.
+    defaultvalue: docs/
+    type: string
+
+  - name: pages_exclude
+    description: Files or directories to exclude from the rsync command.
+    type: list
+
+  - name: pages_delete
+    description: When set to `true`, the `--delete` flag is added to the rsync command to remove files from the `branch` that do not exist in the `pages_directory` either.
+    defaultvalue: true
+    type: bool

cmd/drone-git-action/config.go

@@ -9,33 +9,32 @@ import (
 func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 	return []cli.Flag{
 		&cli.StringSliceFlag{
-			Name:        "actions",
-			Usage:       "git actions to to execute",
-			EnvVars:     []string{"PLUGIN_ACTIONS"},
-			Destination: &settings.Actions,
+			Name:        "action",
+			Usage:       "git action to to execute",
+			EnvVars:     []string{"PLUGIN_ACTION"},
+			Destination: &settings.Action,
 			Required:    true,
 			Category:    category,
 		},
-
 		&cli.StringFlag{
-			Name:        "commit-author-name",
+			Name:        "author-name",
 			Usage:       "git author name",
 			EnvVars:     []string{"PLUGIN_AUTHOR_NAME", "DRONE_COMMIT_AUTHOR"},
-			Destination: &settings.Commit.Author.Name,
+			Destination: &settings.Repo.Author.Name,
 			Required:    true,
 			Category:    category,
 		},
 		&cli.StringFlag{
-			Name:        "commit-author-email",
+			Name:        "author-email",
 			Usage:       "git author email",
 			EnvVars:     []string{"PLUGIN_AUTHOR_EMAIL", "DRONE_COMMIT_AUTHOR_EMAIL"},
-			Destination: &settings.Commit.Author.Email,
+			Destination: &settings.Repo.Author.Email,
 			Required:    true,
 			Category:    category,
 		},
 
 		&cli.StringFlag{
-			Name:        "netrc-machine",
+			Name:        "netrc.machine",
 			Usage:       "netrc remote machine name",
 			EnvVars:     []string{"PLUGIN_NETRC_MACHINE", "DRONE_NETRC_MACHINE"},
 			Destination: &settings.Netrc.Machine,
@@ -43,7 +42,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Category:    category,
 		},
 		&cli.StringFlag{
-			Name:        "netrc-username",
+			Name:        "netrc.username",
 			Usage:       "netrc login user on the remote machine",
 			EnvVars:     []string{"PLUGIN_NETRC_USERNAME", "DRONE_NETRC_USERNAME"},
 			Destination: &settings.Netrc.Login,
@@ -51,7 +50,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Category:    category,
 		},
 		&cli.StringFlag{
-			Name:        "netrc-password",
+			Name:        "netrc.password",
 			Usage:       "netrc login password on the remote machine",
 			EnvVars:     []string{"PLUGIN_NETRC_PASSWORD", "DRONE_NETRC_PASSWORD"},
 			Destination: &settings.Netrc.Password,
@@ -68,41 +67,38 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 		&cli.StringFlag{
 			Name:        "remote",
 			Usage:       "url of the remote repository",
-			EnvVars:     []string{"PLUGIN_REMOTE"},
-			Destination: &settings.Remote,
+			EnvVars:     []string{"PLUGIN_REMOTE", "DRONE_REMOTE_URL"},
+			Destination: &settings.Repo.RemoteURL,
 			Category:    category,
 		},
 		&cli.StringFlag{
 			Name:        "branch",
-			Usage:       "name of the git branch",
+			Usage:       "name of the git source branch",
 			EnvVars:     []string{"PLUGIN_BRANCH"},
-			Destination: &settings.Branch,
+			Destination: &settings.Repo.Branch,
 			Value:       "main",
 			Category:    category,
 		},
-
 		&cli.StringFlag{
 			Name:        "path",
-			Usage:       "path to git repository",
+			Usage:       "path to clone git repository",
 			EnvVars:     []string{"PLUGIN_PATH"},
-			Destination: &settings.Path,
+			Destination: &settings.Repo.WorkDir,
 			Category:    category,
 		},
-
 		&cli.StringFlag{
-			Name:        "message",
+			Name:        "commit-message",
 			Usage:       "commit message",
 			EnvVars:     []string{"PLUGIN_MESSAGE"},
-			Destination: &settings.Message,
+			Destination: &settings.Repo.CommitMsg,
 			Value:       "[skip ci] commit dirty state",
 			Category:    category,
 		},
-
 		&cli.BoolFlag{
-			Name:        "force",
+			Name:        "force-push",
 			Usage:       "enable force push to remote repository",
 			EnvVars:     []string{"PLUGIN_FORCE"},
-			Destination: &settings.Force,
+			Destination: &settings.Repo.ForcePush,
 			Value:       false,
 			Category:    category,
 		},
@@ -110,7 +106,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Name:        "followtags",
 			Usage:       "follow tags for pushes to remote repository",
 			EnvVars:     []string{"PLUGIN_FOLLOWTAGS"},
-			Destination: &settings.FollowTags,
+			Destination: &settings.Repo.PushFollowTags,
 			Value:       false,
 			Category:    category,
 		},
@@ -118,7 +114,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Name:        "insecure-ssl-verify",
 			Usage:       "set SSL verification of the remote machine",
 			EnvVars:     []string{"PLUGIN_INSECURE_SSL_VERIFY"},
-			Destination: &settings.InsecureSSLVerify,
+			Destination: &settings.Repo.InsecureSSLVerify,
 			Value:       false,
 			Category:    category,
 		},
@@ -126,7 +122,7 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Name:        "empty-commit",
 			Usage:       "allow empty commits",
 			EnvVars:     []string{"PLUGIN_EMPTY_COMMIT"},
-			Destination: &settings.EmptyCommit,
+			Destination: &settings.Repo.EmptyCommit,
 			Value:       false,
 			Category:    category,
 		},
@@ -134,9 +130,32 @@ func settingsFlags(settings *plugin.Settings, category string) []cli.Flag {
 			Name:        "no-verify",
 			Usage:       "bypass the pre-commit and commit-msg hooks",
 			EnvVars:     []string{"PLUGIN_NO_VERIFY"},
-			Destination: &settings.NoVerify,
+			Destination: &settings.Repo.NoVerify,
 			Value:       false,
 			Category:    category,
 		},
+		&cli.StringFlag{
+			Name:        "pages.directory",
+			Usage:       "source directory for pages sync",
+			EnvVars:     []string{"PLUGIN_PAGES_DIRECTORY"},
+			Destination: &settings.Pages.Directory,
+			Value:       "docs/",
+			Category:    category,
+		},
+		&cli.StringSliceFlag{
+			Name:        "pages.exclude",
+			Usage:       "exclude flag added to pages rsnyc command",
+			EnvVars:     []string{"PLUGIN_PAGES_EXCLUDE"},
+			Destination: &settings.Pages.Exclude,
+			Category:    category,
+		},
+		&cli.BoolFlag{
+			Name:        "pages.delete",
+			Usage:       "delete flag added to pages rsync command",
+			EnvVars:     []string{"PLUGIN_PAGES_DELETE"},
+			Destination: &settings.Pages.Delete,
+			Value:       true,
+			Category:    category,
+		},
 	}
 }

docker/Dockerfile.amd64

@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.url="https://github.com/thegeeklab/drone-git-acti
 LABEL org.opencontainers.image.source="https://github.com/thegeeklab/drone-git-action"
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/drone-git-action"
 
-RUN apk --update add --no-cache git && \
+RUN apk --update add --no-cache git rsync && \
     rm -rf /var/cache/apk/* && \
     rm -rf /tmp/*
 

docker/Dockerfile.arm

@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.url="https://github.com/thegeeklab/drone-git-acti
 LABEL org.opencontainers.image.source="https://github.com/thegeeklab/drone-git-action"
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/drone-git-action"
 
-RUN apk --update add --no-cache git && \
+RUN apk --update add --no-cache git rsync && \
     rm -rf /var/cache/apk/* && \
     rm -rf /tmp/*
 

docker/Dockerfile.arm64

@@ -7,7 +7,7 @@ LABEL org.opencontainers.image.url="https://github.com/thegeeklab/drone-git-acti
 LABEL org.opencontainers.image.source="https://github.com/thegeeklab/drone-git-action"
 LABEL org.opencontainers.image.documentation="https://github.com/thegeeklab/drone-git-action"
 
-RUN apk --update add --no-cache git && \
+RUN apk --update add --no-cache git rsync && \
     rm -rf /var/cache/apk/* && \
     rm -rf /tmp/*
 

git/clone.go

@@ -0,0 +1,35 @@
+package git
+
+import (
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+// FetchSource fetches the source from remote.
+func FetchSource(repo Repository) *exec.Cmd {
+	cmd := exec.Command(
+		"git",
+		"fetch",
+		"origin",
+		fmt.Sprintf("+%s:", repo.Branch),
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+
+	return cmd
+}
+
+// CheckoutHead handles branch checkout.
+func CheckoutHead(repo Repository) *exec.Cmd {
+	cmd := exec.Command(
+		"git",
+		"checkout",
+		"-qf",
+		repo.Branch,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+
+	return cmd
+}

git/commit.go

@@ -1,74 +1,89 @@
 package git
 
 import (
+	"os"
 	"os/exec"
 )
 
 // ForceAdd forces the addition of all dirty files.
-func ForceAdd() *exec.Cmd {
+func ForceAdd(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"add",
 		"--all",
-		"--force")
+		"--force",
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
 // Add updates the index to match the working tree.
-func Add() *exec.Cmd {
+func Add(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"add",
-		"--all")
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+
+	if repo.Add != "" {
+		cmd.Args = append(cmd.Args, repo.Add)
+	} else {
+		cmd.Args = append(cmd.Args, "--all")
+	}
 
 	return cmd
 }
 
 // TestCleanTree returns non-zero if diff between index and local repository
-func TestCleanTree() *exec.Cmd {
+func TestCleanTree(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"diff-index",
 		"--quiet",
 		"HEAD",
-		"--ignore-submodules")
+		"--ignore-submodules",
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
 // EmptyCommit simply create an empty commit
-func EmptyCommit(msg string, noVerify bool) *exec.Cmd {
+func EmptyCommit(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"commit",
 		"--allow-empty",
 		"-m",
-		msg,
+		repo.CommitMsg,
 	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
-	if noVerify {
-		cmd.Args = append(
-			cmd.Args,
-			"--no-verify")
+	if repo.NoVerify {
+		cmd.Args = append(cmd.Args, "--no-verify")
 	}
 
 	return cmd
 }
 
 // ForceCommit commits every change while skipping CI.
-func ForceCommit(msg string, noVerify bool) *exec.Cmd {
+func ForceCommit(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"commit",
 		"-m",
-		msg,
+		repo.CommitMsg,
 	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
-	if noVerify {
-		cmd.Args = append(
-			cmd.Args,
-			"--no-verify")
+	if repo.NoVerify {
+		cmd.Args = append(cmd.Args, "--no-verify")
 	}
 
 	return cmd

git/config.go

@@ -1,42 +1,67 @@
 package git
 
 import (
+	"os"
 	"os/exec"
 	"strconv"
 )
 
-// SetUserEmail sets the global git author email.
-func SetUserEmail(email string) *exec.Cmd {
+// repoUserEmail sets the global git author email.
+func ConfigAutocorrect(repo Repository) *exec.Cmd {
+	cmd := exec.Command(
+		"git",
+		"config",
+		"--local",
+		"help.autocorrect",
+		repo.Autocorrect,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+
+	return cmd
+}
+
+// repoUserEmail sets the global git author email.
+func ConfigUserEmail(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"config",
 		"--local",
 		"user.email",
-		email)
+		repo.Author.Email,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
-// SetUserName sets the global git author name.
-func SetUserName(author string) *exec.Cmd {
+// repoUserName sets the global git author name.
+func ConfigUserName(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"config",
 		"--local",
 		"user.name",
-		author)
+		repo.Author.Name,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
-// SetSSLSkipVerify disables globally the git ssl verification.
-func SetSSLVerify(sslVerify bool) *exec.Cmd {
+// repoSSLVerify disables globally the git ssl verification.
+func ConfigSSLVerify(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"config",
 		"--local",
 		"http.sslVerify",
-		strconv.FormatBool(sslVerify))
+		strconv.FormatBool(repo.SSLVerify),
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }

git/remote.go

@@ -1,52 +1,59 @@
 package git
 
 import (
+	"fmt"
+	"os"
 	"os/exec"
 )
 
 // RemoteRemove drops the defined remote from a git repo.
-func RemoteRemove(name string) *exec.Cmd {
+func RemoteRemove(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"remote",
 		"rm",
-		name)
+		repo.RemoteName,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
 // RemoteAdd adds an additional remote to a git repo.
-func RemoteAdd(name, url string) *exec.Cmd {
+func RemoteAdd(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"remote",
 		"add",
-		name,
-		url)
+		repo.RemoteName,
+		repo.RemoteURL,
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
 	return cmd
 }
 
 // RemotePush pushs the changes from the local head to a remote branch.
-func RemotePush(remote, branch string, force, followtags bool) *exec.Cmd {
-	return RemotePushNamedBranch(remote, "HEAD", branch, force, followtags)
-}
-
-// RemotePushNamedBranch puchs changes from a local to a remote branch.
-func RemotePushNamedBranch(remote, localbranch, branch string, force, followtags bool) *exec.Cmd {
+func RemotePush(repo Repository) *exec.Cmd {
 	cmd := exec.Command(
 		"git",
 		"push",
-		remote,
-		localbranch+":"+branch)
+		repo.RemoteName,
+		fmt.Sprintf("HEAD:%s", repo.Branch),
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
 
-	if force {
+	if repo.ForcePush {
 		cmd.Args = append(
 			cmd.Args,
-			"--force")
+			"--force",
+		)
 	}
 
-	if followtags {
+	if repo.PushFollowTags {
 		cmd.Args = append(
 			cmd.Args,
 			"--follow-tags")

git/status.go

@@ -0,0 +1,42 @@
+package git
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+)
+
+func Status(repo Repository) *exec.Cmd {
+	cmd := exec.Command(
+		"git",
+		"status",
+		"--porcelain",
+	)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+
+	return cmd
+}
+
+func IsDirty(repo Repository) bool {
+	res := bytes.NewBufferString("")
+
+	cmd := Status(repo)
+	cmd.Dir = repo.WorkDir
+	cmd.Stderr = os.Stderr
+	cmd.Stdout = res
+	cmd.Stderr = res
+
+	err := runCommand(cmd)
+	if err != nil {
+		return false
+	}
+
+	if res.Len() > 0 {
+		fmt.Print(res.String())
+		return true
+	}
+
+	return false
+}

git/type.go

@@ -0,0 +1,27 @@
+package git
+
+type Author struct {
+	Name  string
+	Email string
+}
+
+type Repository struct {
+	RemoteName string
+	RemoteURL  string
+	Branch     string
+
+	Add       string
+	CommitMsg string
+
+	Autocorrect       string
+	NoVerify          bool
+	InsecureSSLVerify bool
+	EmptyCommit       bool
+	PushFollowTags    bool
+	ForcePush         bool
+	SSLVerify         bool
+	WorkDir           string
+	InitExists        bool
+
+	Author Author
+}

git/utils.go

@@ -3,8 +3,10 @@ package git
 import (
 	"fmt"
 	"os"
+	"os/exec"
 	"os/user"
 	"path/filepath"
+	"strings"
 )
 
 const netrcFile = `
@@ -27,17 +29,13 @@ func WriteSSHKey(privateKey string) error {
 		home = currentUser.HomeDir
 	}
 
-	sshpath := filepath.Join(
-		home,
-		".ssh")
+	sshpath := filepath.Join(home, ".ssh")
 
 	if err := os.MkdirAll(sshpath, 0o700); err != nil {
 		return err
 	}
 
-	confpath := filepath.Join(
-		sshpath,
-		"config")
+	confpath := filepath.Join(sshpath, "config")
 
 	if err := os.WriteFile(
 		confpath,
@@ -47,10 +45,7 @@ func WriteSSHKey(privateKey string) error {
 		return err
 	}
 
-	privpath := filepath.Join(
-		sshpath,
-		"id_rsa",
-	)
+	privpath := filepath.Join(sshpath, "id_rsa")
 
 	if err := os.WriteFile(
 		privpath,
@@ -89,3 +84,20 @@ func WriteNetrc(machine, login, password string) error {
 		0o600,
 	)
 }
+
+func trace(cmd *exec.Cmd) {
+	fmt.Fprintf(os.Stdout, "+ %s\n", strings.Join(cmd.Args, " "))
+}
+
+func runCommand(cmd *exec.Cmd) error {
+	if cmd.Stdout == nil {
+		cmd.Stdout = os.Stdout
+	}
+
+	if cmd.Stderr == nil {
+		cmd.Stderr = os.Stderr
+	}
+
+	trace(cmd)
+	return cmd.Run()
+}

plugin/git.go

@@ -1,111 +0,0 @@
-package plugin
-
-import (
-	"fmt"
-	"os"
-	"os/exec"
-	"path/filepath"
-
-	"github.com/thegeeklab/drone-git-action/git"
-)
-
-// InitRepo initializes the repository.
-func (p Plugin) initRepo() error {
-	path := filepath.Join(p.settings.Path, ".git")
-	if err := os.MkdirAll(p.settings.Path, os.ModePerm); err != nil {
-		return err
-	}
-
-	if err := os.Chdir(p.settings.Path); err != nil {
-		return err
-	}
-
-	if isDirEmpty(path) {
-		return execute(exec.Command(
-			"git",
-			"init",
-		))
-	}
-
-	return nil
-}
-
-// AddRemote adds a remote to repository.
-func (p Plugin) addRemote() error {
-	if p.settings.Remote != "" {
-		if err := execute(git.RemoteAdd("origin", p.settings.Remote)); err != nil {
-			return err
-		}
-	}
-
-	return nil
-}
-
-// FetchSource fetches the source from remote.
-func (p Plugin) fetchSource() error {
-	return execute(exec.Command(
-		"git",
-		"fetch",
-		"origin",
-		fmt.Sprintf("+%s:", p.settings.Branch),
-	))
-}
-
-// CheckoutHead handles branch checkout.
-func (p Plugin) checkoutHead() error {
-	return execute(exec.Command(
-		"git",
-		"checkout",
-		"-qf",
-		p.settings.Branch,
-	))
-}
-
-// HandleClone clones remote.
-func (p Plugin) handleClone() error {
-	if err := p.addRemote(); err != nil {
-		return err
-	}
-
-	if err := p.fetchSource(); err != nil {
-		return err
-	}
-
-	if err := p.checkoutHead(); err != nil {
-		return err
-	}
-
-	return nil
-}
-
-// HandleCommit commits changes locally.
-func (p Plugin) handleCommit() error {
-	if err := execute(git.Add()); err != nil {
-		return err
-	}
-
-	if err := execute(git.TestCleanTree()); err != nil {
-		if err := execute(git.ForceCommit(p.settings.Message, p.settings.NoVerify)); err != nil {
-			return err
-		}
-	} else {
-		if p.settings.EmptyCommit {
-			if err := execute(git.EmptyCommit(p.settings.Message, p.settings.NoVerify)); err != nil {
-				return err
-			}
-		}
-	}
-
-	return nil
-}
-
-// HandlePush pushs changes to remote.
-func (p Plugin) handlePush() error {
-	return execute(git.RemotePushNamedBranch(
-		"origin",
-		p.settings.Branch,
-		p.settings.Branch,
-		p.settings.Force,
-		p.settings.FollowTags,
-	))
-}

plugin/impl.go

@@ -3,6 +3,8 @@ package plugin
 import (
 	"fmt"
 	"os"
+	"os/exec"
+	"path/filepath"
 
 	"github.com/thegeeklab/drone-git-action/git"
 	"github.com/urfave/cli/v2"
@@ -14,37 +16,38 @@ type Netrc struct {
 	Password string
 }
 
-type Commit struct {
-	Author Author
-}
-
-type Author struct {
-	Name  string
-	Email string
+type Pages struct {
+	Directory string
+	Exclude   cli.StringSlice
+	Delete    bool
 }
 
 // Settings for the Plugin.
 type Settings struct {
-	Actions           cli.StringSlice
+	Action cli.StringSlice
 	SSHKey string
-	Remote            string
-	Branch            string
-	Path              string
-	Message           string
-	Force             bool
-	FollowTags        bool
-	InsecureSSLVerify bool
-	EmptyCommit       bool
-	NoVerify          bool
 
 	Netrc Netrc
-	Commit Commit
-	Author Author
+	Pages Pages
+	Repo  git.Repository
 }
 
 // Validate handles the settings validation of the plugin.
 func (p *Plugin) Validate() error {
-	for _, action := range p.settings.Actions.Value() {
+	var err error
+
+	p.settings.Repo.Autocorrect = "never"
+	p.settings.Repo.RemoteName = "origin"
+	p.settings.Repo.Add = ""
+
+	if p.settings.Repo.WorkDir == "" {
+		p.settings.Repo.WorkDir, err = os.Getwd()
+	}
+	if err != nil {
+		return err
+	}
+
+	for _, action := range p.settings.Action.Value() {
 		switch action {
 		case "clone":
 			continue
@@ -52,7 +55,30 @@ func (p *Plugin) Validate() error {
 			continue
 		case "push":
 			if p.settings.SSHKey == "" && p.settings.Netrc.Password == "" {
-				return fmt.Errorf("either SSH key or netrc password are required")
+				return fmt.Errorf("either SSH key or netrc password is required")
+			}
+		case "pages":
+			p.settings.Pages.Directory = filepath.Join(p.settings.Repo.WorkDir, p.settings.Pages.Directory)
+			p.settings.Repo.WorkDir = filepath.Join(p.settings.Repo.WorkDir, ".tmp")
+
+			if _, err := os.Stat(p.settings.Pages.Directory); os.IsNotExist(err) {
+				return fmt.Errorf("pages directory '%s' must exist", p.settings.Pages.Directory)
+			}
+
+			if info, _ := os.Stat(p.settings.Pages.Directory); !info.IsDir() {
+				return fmt.Errorf("pages directory '%s' is not a directory", p.settings.Pages.Directory)
+			}
+
+			if p.settings.SSHKey == "" && p.settings.Netrc.Password == "" {
+				return fmt.Errorf("either SSH key or netrc password is required")
+			}
+
+			if p.settings.Pages.Directory == "" {
+				return fmt.Errorf("pages source directory needs to be set")
+			}
+
+			if len(p.settings.Action.Value()) > 1 {
+				return fmt.Errorf("pages action can not be combined with other actions")
 			}
 		default:
 			return fmt.Errorf("unknown action %s", action)
@@ -81,19 +107,20 @@ func (p *Plugin) Execute() error {
 		return err
 	}
 
-	if p.settings.Path != "" {
 	if err := p.initRepo(); err != nil {
 		return err
 	}
-	}
 
-	if err := git.SetUserName(p.settings.Commit.Author.Name).Run(); err != nil {
+	if err := git.ConfigAutocorrect(p.settings.Repo).Run(); err != nil {
 		return err
 	}
-	if err := git.SetUserEmail(p.settings.Commit.Author.Email).Run(); err != nil {
+	if err := git.ConfigUserName(p.settings.Repo).Run(); err != nil {
 		return err
 	}
-	if err := git.SetSSLVerify(p.settings.InsecureSSLVerify).Run(); err != nil {
+	if err := git.ConfigUserEmail(p.settings.Repo).Run(); err != nil {
+		return err
+	}
+	if err := git.ConfigSSLVerify(p.settings.Repo).Run(); err != nil {
 		return err
 	}
 
@@ -107,7 +134,7 @@ func (p *Plugin) Execute() error {
 		return err
 	}
 
-	for _, action := range p.settings.Actions.Value() {
+	for _, action := range p.settings.Action.Value() {
 		switch action {
 		case "clone":
 			if err := p.handleClone(); err != nil {
@@ -121,8 +148,103 @@ func (p *Plugin) Execute() error {
 			if err := p.handlePush(); err != nil {
 				return err
 			}
+		case "pages":
+			if err := p.handlePages(); err != nil {
+				return err
+			}
 		}
 	}
 
 	return nil
 }
+
+// InitRepo initializes the repository.
+func (p *Plugin) initRepo() error {
+	path := filepath.Join(p.settings.Repo.WorkDir, ".git")
+	if err := os.MkdirAll(p.settings.Repo.WorkDir, os.ModePerm); err != nil {
+		return err
+	}
+
+	if _, err := os.Stat(path); !os.IsNotExist(err) {
+		p.settings.Repo.InitExists = true
+		return nil
+	}
+
+	cmd := exec.Command(
+		"git",
+		"init",
+	)
+	cmd.Dir = p.settings.Repo.WorkDir
+
+	return execute(cmd)
+}
+
+// HandleClone clones remote.
+func (p *Plugin) handleClone() error {
+	if p.settings.Repo.InitExists {
+		return fmt.Errorf("destination '%s' already exists and is not an empty directory", p.settings.Repo.WorkDir)
+	}
+
+	if p.settings.Repo.RemoteURL != "" {
+		if err := execute(git.RemoteAdd(p.settings.Repo)); err != nil {
+			return err
+		}
+	}
+
+	if err := execute(git.FetchSource(p.settings.Repo)); err != nil {
+		return err
+	}
+
+	if err := execute(git.CheckoutHead(p.settings.Repo)); err != nil {
+		return err
+	}
+
+	return nil
+}
+
+// HandleCommit commits changes locally.
+func (p *Plugin) handleCommit() error {
+	if err := execute(git.Add(p.settings.Repo)); err != nil {
+		return err
+	}
+
+	if err := execute(git.TestCleanTree(p.settings.Repo)); err != nil {
+		if err := execute(git.ForceCommit(p.settings.Repo)); err != nil {
+			return err
+		}
+	} else {
+		if p.settings.Repo.EmptyCommit {
+			if err := execute(git.EmptyCommit(p.settings.Repo)); err != nil {
+				return err
+			}
+		}
+	}
+
+	return nil
+}
+
+// HandlePush pushs changes to remote.
+func (p *Plugin) handlePush() error {
+	return execute(git.RemotePush(p.settings.Repo))
+}
+
+// HandlePages syncs, commits and pushes the changes from the pages directory to the pages branch.
+func (p *Plugin) handlePages() error {
+	defer os.RemoveAll(p.settings.Repo.WorkDir)
+
+	if err := p.handleClone(); err != nil {
+		return err
+	}
+
+	if err := execute(
+		rsyncDirectories(p.settings.Pages, p.settings.Repo),
+	); err != nil {
+		return err
+	}
+
+	if err := p.handleCommit(); err != nil {
+		return err
+	}
+
+	return p.handlePush()
+}

plugin/utils.go

@@ -2,10 +2,11 @@ package plugin
 
 import (
 	"fmt"
-	"io"
 	"os"
 	"os/exec"
 	"strings"
+
+	"github.com/thegeeklab/drone-git-action/git"
 )
 
 // helper function to simply wrap os execte command.
@@ -19,15 +20,39 @@ func execute(cmd *exec.Cmd) error {
 	return cmd.Run()
 }
 
-// helper function returns true if directory dir is empty.
-func isDirEmpty(dir string) bool {
-	f, err := os.Open(dir)
-	if err != nil {
-		return true
+func rsyncDirectories(pages Pages, repo git.Repository) *exec.Cmd {
+	args := []string{
+		"-r",
+		"--exclude",
+		".git",
 	}
 
-	defer f.Close()
+	for _, item := range pages.Exclude.Value() {
+		args = append(
+			args,
+			"--exclude",
+			item,
+		)
+	}
 
-	_, err = f.Readdir(1)
-	return err == io.EOF
+	if pages.Delete {
+		args = append(
+			args,
+			"--delete",
+		)
+	}
+
+	args = append(
+		args,
+		".",
+		repo.WorkDir,
+	)
+
+	cmd := exec.Command(
+		"rsync",
+		args...,
+	)
+	cmd.Dir = pages.Directory
+
+	return cmd
 }