in src/main/java/org/apache/maven/plugins/dependency/fromDependencies/CopyDependenciesMojo.java [189:206]
private void installArtifact(Artifact artifact, ProjectBuildingRequest buildingRequest) {
try {
installer.install(buildingRequest, Collections.singletonList(artifact));
installBaseSnapshot(artifact, buildingRequest);
if (!"pom".equals(artifact.getType()) && isCopyPom()) {
Artifact pomArtifact = getResolvedPomArtifact(artifact);
if (pomArtifact != null
&& pomArtifact.getFile() != null
&& pomArtifact.getFile().exists()) {
installer.install(buildingRequest, Collections.singletonList(pomArtifact));
installBaseSnapshot(pomArtifact, buildingRequest);
}
}
} catch (ArtifactInstallerException e) {
getLog().warn("unable to install " + artifact, e);
}
}