From 2c541a7e86df205d02374a07f4b10a4c0ca83f14 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Fri, 27 Oct 2023 18:26:44 -0700
Subject: [PATCH] config: -e replaces previous args

---
 src/config/Config.zig | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/src/config/Config.zig b/src/config/Config.zig
index b391a1076..453913937 100644
--- a/src/config/Config.zig
+++ b/src/config/Config.zig
@@ -1167,6 +1167,7 @@ pub fn parseManuallyHook(self: *Config, alloc: Allocator, arg: []const u8, iter:
     }
 
     // All further arguments are parameters
+    self.@"command-arg".list.clearRetainingCapacity();
     while (iter.next()) |param| {
         try self.@"command-arg".parseCLI(alloc, param);
     }
@@ -1356,6 +1357,21 @@ test "parse e: command and args" {
     try testing.expectEqualStrings("bar baz", cfg.@"command-arg".list.items[1]);
 }
 
+test "parse e: command replaces args" {
+    const testing = std.testing;
+    var cfg = try Config.default(testing.allocator);
+    defer cfg.deinit();
+    const alloc = cfg._arena.?.allocator();
+
+    try cfg.@"command-arg".parseCLI(alloc, "foo");
+    try testing.expectEqual(@as(usize, 1), cfg.@"command-arg".list.items.len);
+
+    var it: TestIterator = .{ .data = &.{"echo"} };
+    try testing.expect(!try cfg.parseManuallyHook(alloc, "-e", &it));
+    try testing.expectEqualStrings("echo", cfg.command.?);
+    try testing.expectEqual(@as(usize, 0), cfg.@"command-arg".list.items.len);
+}
+
 test "clone default" {
     const testing = std.testing;
     const alloc = testing.allocator;