add initial git support

internal/assets/diff/themes/dark.json

@@ -0,0 +1,73 @@
+{
+  "SYNTAX_HIGHLIGHTING_THEME": "dark-plus",
+  "DEFAULT_COLOR": {
+    "color": "#ffffff",
+    "backgroundColor": "#212121"
+  },
+  "COMMIT_HEADER_COLOR": {
+    "color": "#cccccc"
+  },
+  "COMMIT_HEADER_LABEL_COLOR": {
+    "color": "#00000022"
+  },
+  "COMMIT_SHA_COLOR": {
+    "color": "#00eeaa"
+  },
+  "COMMIT_AUTHOR_COLOR": {
+    "color": "#00aaee"
+  },
+  "COMMIT_DATE_COLOR": {
+    "color": "#cccccc"
+  },
+  "COMMIT_MESSAGE_COLOR": {
+    "color": "#cccccc"
+  },
+  "COMMIT_TITLE_COLOR": {
+    "modifiers": [
+      "bold"
+    ]
+  },
+  "FILE_NAME_COLOR": {
+    "color": "#ffdd99"
+  },
+  "BORDER_COLOR": {
+    "color": "#ffdd9966",
+    "modifiers": [
+      "dim"
+    ]
+  },
+  "HUNK_HEADER_COLOR": {
+    "modifiers": [
+      "dim"
+    ]
+  },
+  "DELETED_WORD_COLOR": {
+    "color": "#ffcccc",
+    "backgroundColor": "#ff000033"
+  },
+  "INSERTED_WORD_COLOR": {
+    "color": "#ccffcc",
+    "backgroundColor": "#00ff0033"
+  },
+  "DELETED_LINE_NO_COLOR": {
+    "color": "#00000022",
+    "backgroundColor": "#00000022"
+  },
+  "INSERTED_LINE_NO_COLOR": {
+    "color": "#00000022",
+    "backgroundColor": "#00000022"
+  },
+  "UNMODIFIED_LINE_NO_COLOR": {
+    "color": "#666666"
+  },
+  "DELETED_LINE_COLOR": {
+    "color": "#cc6666",
+    "backgroundColor": "#3a3030"
+  },
+  "INSERTED_LINE_COLOR": {
+    "color": "#66cc66",
+    "backgroundColor": "#303a30"
+  },
+  "UNMODIFIED_LINE_COLOR": {},
+  "MISSING_LINE_COLOR": {}
+}

internal/assets/embed.go

@@ -0,0 +1,6 @@
+package assets
+
+import "embed"
+
+//go:embed diff
+var FS embed.FS

internal/assets/write.go

@@ -0,0 +1,60 @@
+package assets
+
+import (
+	"os"
+	"path/filepath"
+
+	"github.com/kujtimiihoxha/termai/internal/config"
+)
+
+func WriteAssets() error {
+	appCfg := config.Get()
+	appWd := config.WorkingDirectory()
+	scriptDir := filepath.Join(
+		appWd,
+		appCfg.Data.Directory,
+		"diff",
+	)
+	scriptPath := filepath.Join(scriptDir, "index.mjs")
+	// Before, run the script in cmd/diff/main.go to build this file
+	if _, err := os.Stat(scriptPath); err != nil {
+		scriptData, err := FS.ReadFile("diff/index.mjs")
+		if err != nil {
+			return err
+		}
+
+		err = os.MkdirAll(scriptDir, 0o755)
+		if err != nil {
+			return err
+		}
+		err = os.WriteFile(scriptPath, scriptData, 0o755)
+		if err != nil {
+			return err
+		}
+	}
+
+	themeDir := filepath.Join(
+		appWd,
+		appCfg.Data.Directory,
+		"themes",
+	)
+
+	themePath := filepath.Join(themeDir, "dark.json")
+
+	if _, err := os.Stat(themePath); err != nil {
+		themeData, err := FS.ReadFile("diff/themes/dark.json")
+		if err != nil {
+			return err
+		}
+
+		err = os.MkdirAll(themeDir, 0o755)
+		if err != nil {
+			return err
+		}
+		err = os.WriteFile(themePath, themeData, 0o755)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}