Implement 'command' utility

Author: sellmair

README.md

@@ -39,7 +39,7 @@ plugins {
     kotlin("multiplatform") version "2.1.20-Beta2" // <- Use Kotlin 2.1.20-Beta2 or higher!
     kotlin("plugin.compose") version "2.1.20-Beta2" // <- Use Compose Compiler Plugin 2.1.20-Beta2 or higher!
     id("org.jetbrains.compose")
-    id("org.jetbrains.compose-hot-reload") version "1.0.0-dev-38 <- add this additionally
+    id("org.jetbrains.compose-hot-reload") version "1.0.0-dev-38<- add this additionally
 }
 ```
 

repository-tools/src/main/kotlin/bumpBootstrapVersion.kt

@@ -8,6 +8,6 @@ fun main() {
     val version = readGradleProperties("version")
     writeGradleProperties("bootstrap.version", version)
 
-    ProcessBuilder("git", "add", ".").inheritIO().start().waitFor()
-    ProcessBuilder("git", "commit", "-m", "Bootstrap v$version").inheritIO().start().waitFor()
+    command("git", "add", ".")
+    command("git", "commit", "-m", "Bootstrap v$version")
 }

repository-tools/src/main/kotlin/bumpBuildNumber.kt

@@ -1,8 +1,5 @@
 import org.jetbrains.kotlin.tooling.core.KotlinToolingVersion
 import org.jetbrains.kotlin.tooling.core.buildNumber
-import kotlin.io.path.Path
-import kotlin.io.path.readText
-import kotlin.io.path.writeText
 
 /*
  * Copyright 2024-2025 JetBrains s.r.o. and Compose Hot Reload contributors.
@@ -17,12 +14,9 @@ fun main() {
     val newVersion = version.toString().replace("-$buildNumber", "-${buildNumber + 1}")
     writeGradleProperties("version", newVersion)
 
-    // Execute 'updateVersions' task
-    ProcessBuilder("./gradlew", "updateVersions")
-        .inheritIO().start().waitFor()
-
-    ProcessBuilder("git", "add", ".").inheritIO().start().waitFor()
-    ProcessBuilder("git", "commit", "-m", "v$newVersion").inheritIO().start().waitFor()
-    ProcessBuilder("git", "tag", "v$newVersion").inheritIO().start().waitFor()
-    ProcessBuilder("git", "push", "origin", "tag", "v$newVersion").inheritIO().start().waitFor()
+    command("./gradlew", "updateVersions")
+    command("git", "add", ".")
+    command("git", "commit", "-m", "v$newVersion")
+    command("git", "tag", "v$newVersion")
+    command("git", "push", "origin", "tag", "v$newVersion")
 }

repository-tools/src/main/kotlin/command.kt

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2024-2025 JetBrains s.r.o. and Compose Hot Reload contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+fun command(vararg args: String) {
+    val process = ProcessBuilder(*args).inheritIO()
+        .redirectErrorStream(true)
+        .start()
+
+    val input = process.inputStream.reader().readText()
+    if (process.waitFor() != 0) error("${args.joinToString(" ")} failed\n" + input)
+}