Make git path configurable

closes #90

Author: phil294

README.md

@@ -174,8 +174,13 @@ Please consider opening an issue or PR if you think a certain action or option w
     "git-log--graph.custom-css": {
 		"description": "An abitrary string of CSS that will be injected into the main web view. Example: * { text-transform: uppercase; }",
 		"type": "string",
-		"default": "",
+		"default": ""
 	},
+    "git-log--graph.git-path": {
+        "description": "Absolute path to the git executable. If not set, it is expected to be on your $PATH.",
+        "type": "string",
+        "default": ""
+    },
 }
 ```
 

package.json

@@ -145,6 +145,11 @@
 					"type": "string",
 					"default": ""
 				},
+				"git-log--graph.git-path": {
+					"description": "Absolute path to the git executable. If not set, it is expected to be on your $PATH.",
+					"type": "string",
+					"default": ""
+				},
 				"git-log--graph.actions.global": {
 					"description": "Please check the extension's README for documentation. BE CAREFUL EDITING THESE OPTIONS.",
 					"type": "array",

src/git.coffee

@@ -81,6 +81,7 @@ module.exports.get_git = (EXT_ID, log, { on_repo_external_state_change, on_repo_
 		run: (###* @type string ### args, ###* @type {number|undefined} ### repo_index) =>
 			repo_index ?= selected_repo_index
 			cwd = vscode.workspace.getConfiguration(EXT_ID).get('folder')
+			cmd = vscode.workspace.getConfiguration(EXT_ID).get('git-path') || 'git'
 			if not cwd
 				repo = api.repositories[repo_index]
 				if not repo and repo_index > 0
@@ -91,7 +92,7 @@ module.exports.get_git = (EXT_ID, log, { on_repo_external_state_change, on_repo_
 					throw "No repository selected"
 				cwd = repo.rootUri.fsPath
 			try
-				{ stdout, stderr: _ } = await exec 'git ' + args,
+				{ stdout, stderr: _ } = await exec cmd + ' ' + args,
 					cwd: cwd
 					# 35 MB. For scale, Linux kernel git graph (1 mio commits) in extension format
 					# is 538 MB or 7.4 MB for the first 15k commits