feat(external sources): support git

README.md

@@ -141,6 +141,7 @@ LocalRecall uses environment variables to configure its behavior. These variable
 | `VECTOR_ENGINE`      | Vector database engine to use (`chromem` by default; support for others like Milvus and Qdrant planned).        |
 | `MAX_CHUNKING_SIZE`  | Maximum size (in characters) for breaking down documents into chunks. Affects performance and accuracy.         |
 | `API_KEYS`           | Comma-separated list of API keys for securing access to the REST API (optional).                                |
+| `GIT_PRIVATE_KEY`    | Base64-encoded SSH private key for accessing private Git repositories (optional).                                |
 
 These variables can be passed directly when running the binary or inside your Docker container for easy configuration.
 
@@ -213,6 +214,17 @@ curl -X POST $BASE_URL/collections/myCollection/sources \
 
 The `update_interval` is specified in minutes. If not provided, it defaults to 60 minutes.
 
+External sources support various URL types:
+- Web pages (https://example.com)
+- Git repositories (https://github.com/user/repo.git or git@github.com:user/repo.git)
+- Sitemaps (https://example.com/sitemap.xml)
+
+For private Git repositories, set the `GIT_PRIVATE_KEY` environment variable with a base64-encoded SSH private key:
+```sh
+# Encode your private key
+export GIT_PRIVATE_KEY=$(cat /path/to/private_key | base64 -w 0)
+```
+
 - **Remove External Source**:
 
 ```sh

go.mod

@@ -1,9 +1,12 @@
 module github.com/mudler/localrecall
 
-go 1.22.9
+go 1.23.0
+
+toolchain go1.24.1
 
 require (
 	github.com/dslipak/pdf v0.0.2
+	github.com/go-git/go-git/v5 v5.16.0
 	github.com/labstack/echo/v4 v4.13.3
 	github.com/onsi/ginkgo/v2 v2.22.2
 	github.com/onsi/gomega v1.36.2
@@ -14,23 +17,39 @@ require (
 )
 
 require (
+	dario.cat/mergo v1.0.0 // indirect
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/ProtonMail/go-crypto v1.1.6 // indirect
+	github.com/cloudflare/circl v1.6.1 // indirect
+	github.com/cyphar/filepath-securejoin v0.4.1 // indirect
+	github.com/emirpasic/gods v1.18.1 // indirect
+	github.com/go-git/gcfg v1.5.1-0.20230307220236-3a3c6141e376 // indirect
+	github.com/go-git/go-billy/v5 v5.6.2 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-task/slim-sprig/v3 v3.0.0 // indirect
-	github.com/google/go-cmp v0.6.0 // indirect
+	github.com/golang/groupcache v0.0.0-20241129210726-2c02b8208cf8 // indirect
+	github.com/google/go-cmp v0.7.0 // indirect
 	github.com/google/pprof v0.0.0-20241210010833-40e02aabc2ad // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v1.2.0 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.9 // indirect
 	github.com/olekukonko/tablewriter v0.0.5 // indirect
+	github.com/pjbgf/sha1cd v0.3.2 // indirect
+	github.com/sergi/go-diff v1.3.2-0.20230802210424-5b0b94c5c0d3 // indirect
+	github.com/skeema/knownhosts v1.3.1 // indirect
 	github.com/ssor/bom v0.0.0-20170718123548-6386211fdfcf // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.2 // indirect
-	golang.org/x/crypto v0.31.0 // indirect
-	golang.org/x/net v0.33.0 // indirect
-	golang.org/x/sys v0.28.0 // indirect
-	golang.org/x/text v0.21.0 // indirect
+	github.com/xanzy/ssh-agent v0.3.3 // indirect
+	golang.org/x/crypto v0.37.0 // indirect
+	golang.org/x/net v0.39.0 // indirect
+	golang.org/x/sys v0.32.0 // indirect
+	golang.org/x/text v0.24.0 // indirect
 	golang.org/x/time v0.8.0 // indirect
 	golang.org/x/tools v0.28.0 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

go.sum

@@ -1,15 +1,58 @@
+dario.cat/mergo v1.0.0 h1:AGCNq9Evsj31mOgNPcLyXc+4PNABt905YmuqPYYpBWk=
+dario.cat/mergo v1.0.0/go.mod h1:uNxQE+84aUszobStD9th8a29P2fMDhsBdgRYvZOxGmk=
+github.com/Microsoft/go-winio v0.5.2/go.mod h1:WpS1mjBmmwHBEWmogvA2mj8546UReBk4v8QkMxJ6pZY=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/ProtonMail/go-crypto v1.1.6 h1:ZcV+Ropw6Qn0AX9brlQLAUXfqLBc7Bl+f/DmNxpLfdw=
+github.com/ProtonMail/go-crypto v1.1.6/go.mod h1:rA3QumHc/FZ8pAHreoekgiAbzpNsfQAosU5td4SnOrE=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be h1:9AeTilPcZAjCFIImctFaOjnTIavg87rW78vTPkQqLI8=
+github.com/anmitsu/go-shlex v0.0.0-20200514113438-38f4b401e2be/go.mod h1:ySMOLuWl6zY27l47sB3qLNK6tF2fkHG55UZxx8oIVo4=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5 h1:0CwZNZbxp69SHPdPJAN/hZIm0C4OItdklCFmMRWYpio=
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+github.com/cyphar/filepath-securejoin v0.4.1 h1:JyxxyPEaktOD+GAnqIqTf9A8tHyAG22rowi7HkoSU1s=
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@@ -31,36 +74,71 @@ github.com/oxffaa/gopher-parse-sitemap v0.0.0-20191021113419-005d2eb1def4 h1:2vm
 github.com/oxffaa/gopher-parse-sitemap v0.0.0-20191021113419-005d2eb1def4/go.mod h1:2JQx4jDHmWrbABvpOayg/+OTU6ehN0IyK2EHzceXpJo=
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-golang.org/x/sys v0.28.0 h1:Fksou7UEQUWlKvIdsqzJmUmCX3cZuD2+P3XyyzwMhlA=
-golang.org/x/sys v0.28.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
-golang.org/x/text v0.21.0 h1:zyQAAkrwaneQ066sspRyJaG9VNi/YJ1NfzcGB3hZ/qo=
-golang.org/x/text v0.21.0/go.mod h1:4IBbMaMmOPCJ8SecivzSH54+73PCFmPWxNTLm+vZkEQ=
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+gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
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main.go

@@ -8,6 +8,7 @@ import (
 	"github.com/labstack/echo/v4"
 	"github.com/labstack/echo/v4/middleware"
 	"github.com/mudler/localrecall/rag"
+	"github.com/mudler/localrecall/rag/sources"
 	"github.com/sashabaranov/go-openai"
 )
 
@@ -21,7 +22,10 @@ var (
 	vectorEngine     = os.Getenv("VECTOR_ENGINE")
 	maxChunkingSize  = os.Getenv("MAX_CHUNKING_SIZE")
 	apiKeys          = os.Getenv("API_KEYS")
-	sourceManager    = rag.NewSourceManager()
+	gitPrivateKey    = os.Getenv("GIT_PRIVATE_KEY")
+	sourceManager    = rag.NewSourceManager(&sources.Config{
+		GitPrivateKey: gitPrivateKey,
+	})
 )
 
 func init() {

rag/source_manager.go

@@ -27,16 +27,18 @@ type SourceManager struct {
 	mu          sync.RWMutex
 	ctx         context.Context
 	cancel      context.CancelFunc
+	config      *sources.Config
 }
 
 // NewSourceManager creates a new source manager
-func NewSourceManager() *SourceManager {
+func NewSourceManager(config *sources.Config) *SourceManager {
 	ctx, cancel := context.WithCancel(context.Background())
 	return &SourceManager{
 		sources:     make(map[string][]*ExternalSource),
 		collections: make(map[string]*PersistentKB),
 		ctx:         ctx,
 		cancel:      cancel,
+		config:      config,
 	}
 }
 
@@ -122,7 +124,7 @@ func (sm *SourceManager) updateSource(collectionName string, source *ExternalSou
 	source.LastUpdate = time.Now()
 
 	xlog.Info("Updating source", "url", source.URL)
-	content, err := sources.SourceRouter(source.URL)
+	content, err := sources.SourceRouter(source.URL, sm.config)
 	if err != nil {
 		xlog.Error("Error updating source", err)
 		return

rag/sources/config.go

@@ -0,0 +1,5 @@
+package sources
+
+type Config struct {
+	GitPrivateKey string
+}