img/app: don't block app startup on network online

Not all VMs will even have networking!  So it makes more sense to put
waiting for the network in the application-specific part.

The "listen" and "wait" scripts are copied from the host system.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
Message-Id: <20221010232909.1953738-8-hi@alyssa.is>

2 files changed, 2 insertions, 0 deletions

diff --git a/vm/app/catgirl.nix b/vm/app/catgirl.nix
index 7cd76a9..755852b 100644
--- a/vm/app/catgirl.nix
+++ b/vm/app/catgirl.nix
@@ -9,6 +9,7 @@ import ../make-vm.nix { inherit config; } {
     { writeScript, catgirl }:
     writeScript "run-catgirl" ''
       #!/bin/execlineb -P
+      if { /etc/mdev/wait network-online }
       foreground { printf "IRC nick (to join #spectrum): " }
       backtick -E nick { head -1 }
       ${catgirl}/bin/catgirl -h irc.libera.chat -j "#spectrum" -n $nick
diff --git a/vm/app/lynx.nix b/vm/app/lynx.nix
index 21cb56e..d4560f4 100644
--- a/vm/app/lynx.nix
+++ b/vm/app/lynx.nix
@@ -9,6 +9,7 @@ import ../make-vm.nix { inherit config; } {
     { writeScript, lynx }:
     writeScript "run-lynx" ''
       #!/bin/execlineb -P
+      if { /etc/mdev/wait network-online }
       ${lynx}/bin/lynx https://spectrum-os.org
     ''
   ) { };