allow running process-compose in detached mode, then attaching and st…

…opping afterwards
VanCoding · Sep 29, 2024 · 5b66d08 · 5b66d08
1 parent cd3e722
commit 5b66d08
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diff --git a/example/flake.nix b/example/flake.nix
@@ -78,6 +78,8 @@
           };
 
         # nix run .#ponysay up to start the process
+        # nun run .#ponysay attach to show the output
+        # nix run .#ponysay down to stop the process
         packages.ponysay = (import ../nix/eval-modules.nix).makeProcessCompose {
           inherit pkgs;
           name = "ponysay";

diff --git a/nix/process-compose/default.nix b/nix/process-compose/default.nix
@@ -44,7 +44,15 @@ in
           text = ''
             ${preHook}
 
-            set -x; process-compose ${arguments.global} ${arguments.up}"$@"; set +x
+            params=(${arguments.global})
+            set +u
+            if [ -z "$1" ] || [[ "$1" == "up" ]] || [[ "$1" == -* ]] ; then
+              params+=(${arguments.up})
+            fi
+
+            set -x;
+            process-compose "''${params[@]}" "$@";
+            set +x
 
             ${postHook}
           '';