Build custom .gitconfig for the game environment

Fixes #3.

scenes/game.gd

@@ -13,6 +13,8 @@ var state = {}
 func _ready():
 	global_shell = Shell.new()
 	
+	create_file_in_game_env(".gitconfig", helpers.read_file("res://scripts/gitconfig"))
+	
 	create_file_in_game_env("fake-editor", helpers.read_file("res://scripts/fake-editor"))
 	fake_editor = tmp_prefix + "fake-editor"
 	global_shell.run("chmod u+x '%s'" % fake_editor)

scenes/level.gd

@@ -83,7 +83,6 @@ func construct():
 		game.global_shell.run("mkdir '%s'" % repo.path)
 		game.global_shell.cd(repo.path)
 		game.global_shell.run("git init")
-		game.global_shell.run("git symbolic-ref HEAD refs/heads/main")
 		
 		# Add other repos as remotes.
 		for r2 in repos:

scenes/node.gd

@@ -100,7 +100,6 @@ func children_set(new_children):
 		if not children.has(c):
 			var a = arrow.instance()
 			if type == "commit":
-				#a = time_arrow.instance()
 				a.source = c
 				a.target = id
 				a.color = Color("c2bf26")

scenes/shell.gd

@@ -24,13 +24,7 @@ func run(command, crash_on_fail=true):
 		print("$ %s" % command)
 	
 	var env = {}
-	if game.fake_editor:
-		env["GIT_EDITOR"] = game.fake_editor.replace(" ", "\\ ")
-	env["GIT_AUTHOR_NAME"] = "You"
-	env["GIT_COMMITTER_NAME"] = "You"
-	env["GIT_AUTHOR_EMAIL"] = "you@example.com"
-	env["GIT_COMMITTER_EMAIL"] = "you@example.com"
-	env["GIT_TEMPLATE_DIR"] = ""
+	env["HOME"] = game.tmp_prefix
 	
 	var hacky_command = ""
 	for variable in env:

scripts/gitconfig

@@ -0,0 +1,12 @@
+[user]
+	email = you@time.agency
+	name = You
+[core]
+	editor = ~/fake-editor
+[init]
+	templateDir = ""
+	defaultBranch = main
+[log]
+	decorate = true
+[advice]
+	detachedHead = false