From 58330f77e824a54690d664c18089cdb4ad18fead Mon Sep 17 00:00:00 2001
From: Nulo <git@nulo.in>
Date: Fri, 16 Sep 2022 16:06:33 -0300
Subject: [PATCH] netns

---
 runit-podman-gen.lua | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/runit-podman-gen.lua b/runit-podman-gen.lua
index 6ba8b2c..c8cc9e2 100755
--- a/runit-podman-gen.lua
+++ b/runit-podman-gen.lua
@@ -9,6 +9,14 @@ function utils.join_table(table, separator)
 	return string
 end
 
+local env_string = ""
+local netns_string = ""
+local USE_NETNS = os.getenv "USE_NETNS"
+if USE_NETNS ~= nil then
+	env_string = env_string .. "USE_NETNS='"..USE_NETNS.."' "
+	netns_string = "ip netns exec "..USE_NETNS.." "
+end
+
 local user = arg[1]
 local container_name = arg[2]
 local image_name = arg[3]
@@ -20,7 +28,7 @@ end
 
 local prefix = [[
 #!/bin/sh
-# Generated with ]]..utils.join_table({arg[0], user, container_name, image_name, unpack(arguments)}, " ")..[[
+# Generated with ]]..utils.join_table({env_string..arg[0], user, container_name, image_name, unpack(arguments)}, " ")..[[
 
 IMAGE=']]..image_name..[['
 
@@ -37,7 +45,7 @@ local run_script = prefix..[[
 chpst -u "$USER:$USER" podman pull "$IMAGE" 2>/dev/stdout || exit $?
 chpst -u "$USER:$USER" podman image prune -f 2>/dev/stdout || exit $?
 
-exec chpst -u "$USER:$USER" podman run --tty --rm \
+exec ]]..netns_string..[[chpst -u "$USER:$USER" podman run --tty --rm \
 	--name="$CONTAINER_NAME" \
 	--replace \
 ]]..utils.join_table(arguments, " ")..[[ \