Fix environment variables propagation in signing and release publishing (#77)

WiP for release automation. My template didn't work, trying to get it
fixed in terms of environment propagation.
Looks like signing also does not get applied tho

Author: oleg-nenashev

build.gradle

@@ -14,7 +14,7 @@ plugins {
     id 'com.diffplug.spotless' version '6.22.0'
     id 'com.palantir.git-version' version '3.0.0'
     id 'com.github.johnrengelman.shadow' version '8.1.1'
-    id 'io.github.gradle-nexus.publish-plugin' version "1.0.0"
+    id 'io.github.gradle-nexus.publish-plugin' version "1.1.0"
 }
 
 wrapper {
@@ -86,17 +86,11 @@ signing {
     required {
         !version.toString().contains("SNAPSHOT") && (gradle.taskGraph.hasTask("uploadArchives") || gradle.taskGraph.hasTask("publish"))
     }
-    def signingKey = providers
-        .environmentVariable("OSSRH_GPG_SECRET_KEY")
-        .forUseAtConfigurationTime()
-    def signingPassphrase = providers
-        .environmentVariable("OSSRH_GPG_SECRET_KEY_PASSWORD")
-        .forUseAtConfigurationTime()
-    if (signingKey.present && signingPassphrase.present) {
-        useInMemoryPgpKeys(signingKey.get(), signingPassphrase.get())
-        def extension = extensions.getByName("publishing") as PublishingExtension
-        sign(extension.publications)
-    }
+    def signingKey = providers.environmentVariable("OSSRH_GPG_SECRET_KEY").get()
+    def signingPassphrase = providers.environmentVariable("OSSRH_GPG_SECRET_KEY_PASSWORD").get()
+    useInMemoryPgpKeys(signingKey, signingPassphrase)
+    def extension = extensions.getByName("publishing") as PublishingExtension
+    sign(extension.publications)
 }
 
 publishing {
@@ -243,17 +237,8 @@ nexusPublishing {
         sonatype {
             nexusUrl = uri("https://oss.sonatype.org/service/local/")
             snapshotRepositoryUrl = uri("https://oss.sonatype.org/content/repositories/snapshots/")
-
-            def ossrhUsername = providers
-                    .environmentVariable("OSSRH_USERNAME")
-                    .forUseAtConfigurationTime()
-            def ossrhPassword = providers
-                    .environmentVariable("OSSRH_TOKEN")
-                    .forUseAtConfigurationTime()
-            if (ossrhUsername.present && ossrhPassword.present) {
-                username = ossrhUsername.get()
-                password = ossrhPassword.get()
-            }
+            username = providers.environmentVariable("OSSRH_USERNAME").get()
+            password = providers.environmentVariable("OSSRH_TOKEN").get()
         }
     }
 }