fix(run-script): don't cascade if-present config (#4678)

Do not pass the `if-present` env config value to spawned processes.

Fixes: #3352
Close: #3589

Author: ruyadorno

docs/content/commands/npm-run-script.md

@@ -220,6 +220,8 @@ it's present and fail if the script fails. This is useful, for example, when
 running scripts that may only apply for some builds in an otherwise generic
 CI setup.
 
+This value is not exported to the environment for child processes.
+
 <!-- automatically generated, do not edit manually -->
 <!-- see lib/utils/config/definitions.js -->
 

docs/content/using-npm/config.md

@@ -762,6 +762,8 @@ it's present and fail if the script fails. This is useful, for example, when
 running scripts that may only apply for some builds in an otherwise generic
 CI setup.
 
+This value is not exported to the environment for child processes.
+
 <!-- automatically generated, do not edit manually -->
 <!-- see lib/utils/config/definitions.js -->
 

lib/utils/config/definitions.js

@@ -880,6 +880,7 @@ define('https-proxy', {
 define('if-present', {
   default: false,
   type: Boolean,
+  envExport: false,
   description: `
     If true, npm will not exit with an error code when \`run-script\` is
     invoked for a script that isn't defined in the \`scripts\` section of

tap-snapshots/test/lib/utils/config/definitions.js.test.cjs

@@ -795,6 +795,8 @@ This option can be used when it's desirable to optionally run a script when
 it's present and fail if the script fails. This is useful, for example, when
 running scripts that may only apply for some builds in an otherwise generic
 CI setup.
+
+This value is not exported to the environment for child processes.
 `
 
 exports[`test/lib/utils/config/definitions.js TAP > config description for ignore-scripts 1`] = `

tap-snapshots/test/lib/utils/config/describe-all.js.test.cjs

@@ -636,6 +636,8 @@ it's present and fail if the script fails. This is useful, for example, when
 running scripts that may only apply for some builds in an otherwise generic
 CI setup.
 
+This value is not exported to the environment for child processes.
+
 <!-- automatically generated, do not edit manually -->
 <!-- see lib/utils/config/definitions.js -->