Created
January 18, 2020 09:25
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import org.gradle.api.DefaultTask | |
import org.gradle.api.Project | |
import org.gradle.api.artifacts.ProjectDependency | |
import org.gradle.api.tasks.TaskAction | |
import java.util.* | |
import kotlin.collections.LinkedHashMap | |
import kotlin.collections.LinkedHashSet | |
@Suppress("unused") | |
open class ProjectDependencyGraphTask : DefaultTask() { | |
@TaskAction fun run() { | |
val dot = project.rootProject.buildDir.resolve("reports/dependency-graph/project.dot") | |
dot.parentFile.mkdirs() | |
dot.delete() | |
dot.appendText( | |
""" | |
|digraph { | |
| graph [label="${project.rootProject.name}\n ",labelloc=t,fontsize=30,ranksep=1.4]; | |
| node [style=filled, fillcolor="#bbbbbb"]; | |
| rankdir=TB; | |
| | |
""".trimMargin() | |
) | |
val rootProjects = mutableListOf<Project>() | |
val queue = mutableListOf(project.rootProject) | |
while (queue.isNotEmpty()) { | |
val project = queue.removeAt(0) | |
rootProjects.add(project) | |
queue.addAll(project.childProjects.values) | |
} | |
val projects = LinkedHashSet<Project>() | |
val dependencies = LinkedHashMap<Pair<Project, Project>, MutableList<String>>() | |
val multiplatformProjects = mutableListOf<Project>() | |
val jsProjects = mutableListOf<Project>() | |
val androidProjects = mutableListOf<Project>() | |
val javaProjects = mutableListOf<Project>() | |
val rankAndroid = mutableListOf<Project>() | |
val rankDomain = mutableListOf<Project>() | |
val rankRepository = mutableListOf<Project>() | |
queue.clear() | |
queue.add(project.rootProject) | |
while (queue.isNotEmpty()) { | |
val project = queue.removeAt(0) | |
queue.addAll(project.childProjects.values) | |
if (project.plugins.hasPlugin("org.jetbrains.kotlin.multiplatform")) { | |
multiplatformProjects.add(project) | |
} | |
if (project.plugins.hasPlugin("kotlin2js")) { | |
jsProjects.add(project) | |
} | |
if (project.plugins.hasPlugin("com.android.library") || project.plugins.hasPlugin("com.android.application")) { | |
androidProjects.add(project) | |
} | |
if (project.plugins.hasPlugin("java-library") || project.plugins.hasPlugin("java")) { | |
javaProjects.add(project) | |
} | |
if (!project.path.startsWith(":core:") && project.path.endsWith(":android")) { | |
rankAndroid.add(project) | |
} | |
if (!project.path.startsWith(":core:") && project.path.endsWith(":domain")) { | |
rankDomain.add(project) | |
} | |
if (!project.path.startsWith(":core:") && project.path.endsWith(":repository")) { | |
rankRepository.add(project) | |
} | |
project.configurations.all { | |
getDependencies() | |
.filterIsInstance<ProjectDependency>() | |
.map { it.dependencyProject } | |
.forEach { dependency -> | |
projects.add(project) | |
projects.add(dependency) | |
rootProjects.remove(dependency) | |
val graphKey = Pair(project, dependency) | |
val traits = dependencies.computeIfAbsent(graphKey) { mutableListOf() } | |
if (name.toLowerCase(Locale.getDefault()).endsWith("implementation")) { | |
traits.add("style=dotted") | |
} | |
} | |
} | |
} | |
projects.sortedBy { it.path }.also { | |
projects.clear() | |
projects.addAll(it) | |
} | |
dot.appendText("\n # Projects\n\n") | |
for (project in projects) { | |
val traits = mutableListOf<String>() | |
if (rootProjects.contains(project)) { | |
traits.add("shape=box") | |
} | |
if (multiplatformProjects.contains(project)) { | |
if (androidProjects.contains(project)) { | |
traits.add("fillcolor=\"#f7ffad\"") | |
} else { | |
traits.add("fillcolor=\"#ffd2b3\"") | |
} | |
} else if (jsProjects.contains(project)) { | |
traits.add("fillcolor=\"#ffffba\"") | |
} else if (androidProjects.contains(project)) { | |
traits.add("fillcolor=\"#baffc9\"") | |
} else if (javaProjects.contains(project)) { | |
traits.add("fillcolor=\"#ffb3ba\"") | |
} else { | |
traits.add("fillcolor=\"#eeeeee\"") | |
} | |
dot.appendText(" \"${project.path}\" [${traits.joinToString(", ")}];\n") | |
} | |
dot.appendText("\n {rank = same;") | |
for (project in projects) { | |
if (rootProjects.contains(project)) { | |
dot.appendText(" \"${project.path}\";") | |
} | |
} | |
dot.appendText("}\n") | |
for (sameRank in listOf(rankAndroid, rankDomain, rankRepository)) { | |
dot.appendText("\n {rank = same;") | |
for (project in sameRank) { | |
dot.appendText(" \"${project.path}\";") | |
} | |
dot.appendText("}\n") | |
} | |
dot.appendText("\n # Dependencies\n\n") | |
dependencies.forEach { (key, traits) -> | |
dot.appendText(" \"${key.first.path}\" -> \"${key.second.path}\"") | |
if (traits.isNotEmpty()) { | |
dot.appendText(" [${traits.joinToString(", ")}]") | |
} | |
dot.appendText("\n") | |
} | |
dot.appendText("}\n") | |
project.exec { | |
commandLine = listOf("sh", "-c", "cd \"${dot.parentFile}\"; dot -Tpng -O project.dot") | |
} | |
println("Project module dependency graph created at ${dot.absolutePath}.png") | |
} | |
} | |
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