feat: Add function to check if a directory is a git repository

go.mod

@@ -7,6 +7,7 @@ require (
 	github.com/aws/aws-sdk-go-v2/config v1.27.7
 	github.com/aws/aws-sdk-go-v2/service/sns v1.29.2
 	github.com/aws/aws-sdk-go-v2/service/sqs v1.31.2
+	github.com/google/go-github/v60 v60.0.0
 	github.com/gruntwork-io/terratest v0.46.11
 	github.com/hashicorp/terraform-json v0.13.0
 	github.com/stretchr/testify v1.8.4
@@ -47,7 +48,8 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gnostic-models v0.6.8 // indirect
-	github.com/google/go-cmp v0.5.9 // indirect
+	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/google/go-querystring v1.1.0 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
 	github.com/google/uuid v1.3.0 // indirect
 	github.com/googleapis/enterprise-certificate-proxy v0.2.3 // indirect

go.sum

@@ -354,8 +354,13 @@ github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
 github.com/google/go-cmp v0.5.6/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE=
 github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE=
 github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
 github.com/google/go-cmp v0.5.9/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/google/go-github/v60 v60.0.0 h1:oLG98PsLauFvvu4D/YPxq374jhSxFYdzQGNCyONLfn8=
+github.com/google/go-github/v60 v60.0.0/go.mod h1:ByhX2dP9XT9o/ll2yXAu2VD8l5eNVg8hD4Cr0S/LmQk=
+github.com/google/go-querystring v1.1.0 h1:AnCroh3fv4ZBgVIf1Iwtovgjaw/GiKJo8M8yD/fhyJ8=
+github.com/google/go-querystring v1.1.0/go.mod h1:Kcdr2DB4koayq7X8pmAG4sNG59So17icRSOU623lUBU=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/google/gofuzz v1.2.0 h1:xRy4A+RhZaiKjJ1bPfwQ8sedCA+YS2YcCHW6ec7JMi0=
 github.com/google/gofuzz v1.2.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=

pkg/gh/release.go

@@ -0,0 +1,58 @@
+package gh
+
+import (
+	"context"
+	"fmt"
+	"net/url"
+	"os"
+	"strings"
+
+	"github.com/google/go-github/v60/github"
+	"golang.org/x/oauth2"
+)
+
+// FetchReleases fetches GitHub releases for a given repo URL.
+// If `onlyLatest` is true, it returns the most recent release.
+// Otherwise, it returns all releases.
+func FetchReleases(repoURL string, onlyLatest bool) ([]*github.RepositoryRelease, error) {
+	ctx := context.Background()
+
+	// Setup GitHub client with authentication
+	tc := oauth2.NewClient(ctx, oauth2.StaticTokenSource(
+		&oauth2.Token{AccessToken: os.Getenv("GITHUB_TOKEN")},
+	))
+	client := github.NewClient(tc)
+
+	owner, repo, err := GetOwnerAndRepoFromURL(repoURL)
+	if err != nil {
+		return nil, fmt.Errorf("failed to parse GitHub URL: %w", err)
+	}
+
+	if onlyLatest {
+		release, _, err := client.Repositories.GetLatestRelease(ctx, owner, repo)
+		if err != nil {
+			return nil, fmt.Errorf("error fetching the latest release: %w", err)
+		}
+		return []*github.RepositoryRelease{release}, nil
+	}
+
+	releases, _, err := client.Repositories.ListReleases(ctx, owner, repo, &github.ListOptions{})
+	if err != nil {
+		return nil, fmt.Errorf("error fetching releases: %w", err)
+	}
+
+	return releases, nil
+}
+
+// GetOwnerAndRepoFromURL extracts the owner and repo name from a GitHub URL
+func GetOwnerAndRepoFromURL(repoURL string) (string, string, error) {
+	u, err := url.Parse(repoURL)
+	if err != nil {
+		return "", "", fmt.Errorf("error parsing URL: %w", err)
+	}
+	parts := strings.Split(strings.Trim(u.Path, "/"), "/")
+	if len(parts) != 2 {
+		return "", "", fmt.Errorf("invalid GitHub repo URL format")
+	}
+	return parts[0], parts[1], nil
+}

pkg/utils/git.go

@@ -6,24 +6,43 @@ import (
 	"path/filepath"
 )
 
-// IsAGitRepository checks if the given directory is a git repository.
-func IsAGitRepository(repoRoot string) error {
+// IsAGitRepository checks if the given directory or any of its parent directories up to `levels` is a git repository.
+// It returns the git root directory, the subdirectory passed relative to the git root, and any error encountered.
+func IsAGitRepository(repoRoot string, levels int) (gitRoot string, subDir string, err error) {
 	if repoRoot == "" {
-		return fmt.Errorf("directory path cannot be empty")
+		return "", "", fmt.Errorf("directory path cannot be empty")
 	}
 
-	if err := DirExistAndHasContent(repoRoot); err != nil {
-		return err
+	originalPath, err := filepath.Abs(repoRoot)
+	if err != nil {
+		return "", "", fmt.Errorf("failed to resolve absolute path for %s: %v", repoRoot, err)
 	}
 
-	_, err := os.Stat(filepath.Join(repoRoot, ".git"))
-	if err != nil {
-		if os.IsNotExist(err) {
-			return fmt.Errorf("directory %s is not a git repository", repoRoot)
+	if err := DirExistAndHasContent(originalPath); err != nil {
+		return "", "", err
+	}
+
+	currentPath := originalPath
+	for i := 0; i <= levels; i++ {
+		_, err := os.Stat(filepath.Join(currentPath, ".git"))
+		if err == nil {
+			relPath, _ := filepath.Rel(currentPath, originalPath)
+			return currentPath, relPath, nil
 		}
 
-		return fmt.Errorf("unexpected error when checking the directory %s: %v", repoRoot, err)
+		if !os.IsNotExist(err) {
+			// If the error is not because the .git directory doesn't exist, return it.
+			return "", "", fmt.Errorf("unexpected error when checking the directory %s: %v", currentPath, err)
+		}
+
+		// Move up one directory level
+		parentDir := filepath.Dir(currentPath)
+		if parentDir == currentPath {
+			// If the parent directory is the same as the current one, we've reached the filesystem root
+			break
+		}
+		currentPath = parentDir
 	}
 
-	return nil
+	return "", "", fmt.Errorf("no git repository found within %d levels of directory %s", levels, repoRoot)
 }