1 files changed, 78 insertions, 8 deletions

diff --git a/repository/git.go b/repository/git.go
index 2348f5d5..993e6cc6 100644
--- a/repository/git.go
+++ b/repository/git.go
@@ -9,6 +9,7 @@ import (
 	"strings"
 	"sync"
 
+	"github.com/blevesearch/bleve"
 	"github.com/go-git/go-billy/v5"
 	"github.com/go-git/go-billy/v5/osfs"
 
@@ -30,12 +31,15 @@ type GitRepo struct {
 	clocksMutex sync.Mutex
 	clocks      map[string]lamport.Clock
 
+	indexesMutex sync.Mutex
+	indexes      map[string]bleve.Index
+
 	keyring Keyring
 }
 
-// NewGitRepo determines if the given working directory is inside of a git repository,
+// OpenGitRepo determines if the given working directory is inside of a git repository,
 // and returns the corresponding GitRepo instance if it is.
-func NewGitRepo(path string, clockLoaders []ClockLoader) (*GitRepo, error) {
+func OpenGitRepo(path string, clockLoaders []ClockLoader) (*GitRepo, error) {
 	k, err := defaultKeyring()
 	if err != nil {
 		return nil, err
@@ -45,6 +49,7 @@ func NewGitRepo(path string, clockLoaders []ClockLoader) (*GitRepo, error) {
 		gitCli:  gitCli{path: path},
 		path:    path,
 		clocks:  make(map[string]lamport.Clock),
+		indexes: make(map[string]bleve.Index),
 		keyring: k,
 	}
 
@@ -84,9 +89,10 @@ func NewGitRepo(path string, clockLoaders []ClockLoader) (*GitRepo, error) {
 // InitGitRepo create a new empty git repo at the given path
 func InitGitRepo(path string) (*GitRepo, error) {
 	repo := &GitRepo{
-		gitCli: gitCli{path: path},
-		path:   path + "/.git",
-		clocks: make(map[string]lamport.Clock),
+		gitCli:  gitCli{path: path},
+		path:    path + "/.git",
+		clocks:  make(map[string]lamport.Clock),
+		indexes: make(map[string]bleve.Index),
 	}
 
 	_, err := repo.runGitCommand("init", path)
@@ -100,9 +106,10 @@ func InitGitRepo(path string) (*GitRepo, error) {
 // InitBareGitRepo create a new --bare empty git repo at the given path
 func InitBareGitRepo(path string) (*GitRepo, error) {
 	repo := &GitRepo{
-		gitCli: gitCli{path: path},
-		path:   path,
-		clocks: make(map[string]lamport.Clock),
+		gitCli:  gitCli{path: path},
+		path:    path,
+		clocks:  make(map[string]lamport.Clock),
+		indexes: make(map[string]bleve.Index),
 	}
 
 	_, err := repo.runGitCommand("init", "--bare", path)
@@ -113,6 +120,17 @@ func InitBareGitRepo(path string) (*GitRepo, error) {
 	return repo, nil
 }
 
+func (repo *GitRepo) Close() error {
+	var firstErr error
+	for _, index := range repo.indexes {
+		err := index.Close()
+		if err != nil && firstErr == nil {
+			firstErr = err
+		}
+	}
+	return firstErr
+}
+
 // LocalConfig give access to the repository scoped configuration
 func (repo *GitRepo) LocalConfig() Config {
 	return newGitConfig(repo.gitCli, false)
@@ -183,6 +201,58 @@ func (repo *GitRepo) LocalStorage() billy.Filesystem {
 	return osfs.New(repo.path)
 }
 
+// GetBleveIndex return a bleve.Index that can be used to index documents
+func (repo *GitRepo) GetBleveIndex(name string) (bleve.Index, error) {
+	repo.indexesMutex.Lock()
+	defer repo.indexesMutex.Unlock()
+
+	if index, ok := repo.indexes[name]; ok {
+		return index, nil
+	}
+
+	path := filepath.Join(repo.path, "indexes", name)
+
+	index, err := bleve.Open(path)
+	if err == nil {
+		repo.indexes[name] = index
+		return index, nil
+	}
+
+	err = os.MkdirAll(path, os.ModeDir)
+	if err != nil {
+		return nil, err
+	}
+
+	mapping := bleve.NewIndexMapping()
+	mapping.DefaultAnalyzer = "en"
+
+	index, err = bleve.New(path, mapping)
+	if err != nil {
+		return nil, err
+	}
+
+	repo.indexes[name] = index
+
+	return index, nil
+}
+
+// ClearBleveIndex will wipe the given index
+func (repo *GitRepo) ClearBleveIndex(name string) error {
+	repo.indexesMutex.Lock()
+	defer repo.indexesMutex.Unlock()
+
+	path := filepath.Join(repo.path, "indexes", name)
+
+	err := os.RemoveAll(path)
+	if err != nil {
+		return err
+	}
+
+	delete(repo.indexes, name)
+
+	return nil
+}
+
 // FetchRefs fetch git refs from a remote
 func (repo *GitRepo) FetchRefs(remote, refSpec string) (string, error) {
 	stdout, err := repo.runGitCommand("fetch", remote, refSpec)