push sheeet

pkgs/os-specific/darwin/darwin-min-version-hook/setup-hook.sh

@@ -0,0 +1,26 @@
+local role_post
+getHostRole
+
+# Compare the requested deployment target to the existing one. The deployment target has to be a version number,
+# and this hook tries to do the right thing with deployment targets set outside of it, so it has to parse
+# the version numbers for the comparison manually.
+
+local darwinMinVersion=@deploymentTarget@
+local darwinMinVersionVar=@darwinMinVersionVariable@${role_post}
+
+local currentDeploymentTargetArr
+IFS=. read -a currentDeploymentTargetArr <<< "${!darwinMinVersionVar-0.0.0}"
+
+local darwinMinVersionArr
+IFS=. read -a darwinMinVersionArr <<< "$darwinMinVersion"
+
+local currentDeploymentTarget
+currentDeploymentTarget=$(printf "%02d%02d%02d" "${currentDeploymentTargetArr[0]-0}" "${currentDeploymentTargetArr[1]-0}" "${currentDeploymentTargetArr[2]-0}")
+
+darwinMinVersion=$(printf "%02d%02d%02d" "${darwinMinVersionArr[0]-0}" "${darwinMinVersionArr[1]-0}" "${darwinMinVersionArr[2]-0}")
+
+if [ "$darwinMinVersion" -gt "$currentDeploymentTarget" ]; then
+    export "$darwinMinVersionVar"=@deploymentTarget@
+fi
+
+unset -v role_post currentDeploymentTarget currentDeploymentTargetArr darwinMinVersion darwinMinVersionArr darwinMinVersionVar