From 5ba0fab707d9a4bf7ba46d5bf17887f91ad16ca4 Mon Sep 17 00:00:00 2001
From: Mikolaj Izdebski <mizdebsk@redhat.com>
Date: Mon, 6 Jan 2014 14:45:06 +0100
Subject: [PATCH 4/4] Add support for absolute artifact symlinks

[backport-feature-absolute-symlinks]
---
 .../maven/installer/impl/DefaultInstaller.java     | 51 +++++++++++++++++-----
 .../maven/installer/impl/Package.java              |  6 ++-
 2 files changed, 46 insertions(+), 11 deletions(-)

diff --git a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java
index e22905f..efaeeaf 100644
--- a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java
+++ b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java
@@ -255,8 +255,7 @@ public class DefaultInstaller
         for ( Path basePath : basePaths )
         {
             if ( basePath.isAbsolute() )
-                throw new RuntimeException( "Absolute JPP artifact paths are not supported: artifact: " + artifact
-                    + ", path: " + basePath );
+                continue;
 
             Path jppName = basePath.getFileName();
             Path jppGroup = Paths.get( "JPP" );
@@ -280,9 +279,35 @@ public class DefaultInstaller
             }
         }
 
+        if ( jppArtifacts.isEmpty() )
+            throw new RuntimeException( "At least one non-absolute file must be specified for artifact " + artifact );
+
         return jppArtifacts;
     }
 
+    private void installAbsoluteSymlinks( Package pkg, Artifact artifact, PackagingRule rule, Path symlinkTarget )
+        throws IOException
+    {
+        List<String> versionSuffixes = new ArrayList<>();
+        for ( String version : rule.getVersions() )
+            versionSuffixes.add( "-" + version );
+        if ( rule.getVersions().isEmpty() )
+            versionSuffixes.add( "" );
+
+        for ( String filePath : rule.getFiles() )
+        {
+            String classifierSuffix = artifact.getClassifier().isEmpty() ? "" : "-" + artifact.getClassifier();
+            String extensionSuffix = artifact.getExtension().isEmpty() ? "" : "." + artifact.getExtension();
+
+            for ( String versionSuffix : versionSuffixes )
+            {
+                Path symlink = Paths.get( filePath + versionSuffix + classifierSuffix + extensionSuffix );
+                if ( symlink.isAbsolute() )
+                    pkg.addSymlink( Paths.get( "/" ).relativize( symlink ), symlinkTarget );
+            }
+        }
+    }
+
     private void installArtifact( Package pkg, Artifact artifact, List<Artifact> aliases, List<Artifact> jppArtifacts )
         throws IOException
     {
@@ -586,18 +611,24 @@ public class DefaultInstaller
 
             develArtifacts.add( artifact );
         }
-        else if ( !isAttachedArtifact )
+        else
         {
-            installPomFiles( pkg, artifact, jppArtifacts );
+            Path primaryJppArtifactPath = jppArtifacts.iterator().next().getFile().toPath();
+            installAbsoluteSymlinks( pkg, artifact, rule, primaryJppArtifactPath );
 
-            Set<Artifact> userArtifacts = packageUserArtifacts.get( pkg );
-            if ( userArtifacts == null )
+            if ( !isAttachedArtifact )
             {
-                userArtifacts = new LinkedHashSet<>();
-                packageUserArtifacts.put( pkg, userArtifacts );
-            }
+                installPomFiles( pkg, artifact, jppArtifacts );
 
-            userArtifacts.add( artifact );
+                Set<Artifact> userArtifacts = packageUserArtifacts.get( pkg );
+                if ( userArtifacts == null )
+                {
+                    userArtifacts = new LinkedHashSet<>();
+                    packageUserArtifacts.put( pkg, userArtifacts );
+                }
+
+                userArtifacts.add( artifact );
+            }
         }
     }
 
diff --git a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java
index 104c53d..79140a6 100644
--- a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java
+++ b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java
@@ -83,7 +83,11 @@ class Package
 
     public void addFile( Path file, Path target, int mode )
     {
-        addFile( file, target.getParent(), target.getFileName(), mode );
+        Path parent = target.getParent();
+        if ( parent == null )
+            parent = Paths.get( "." );
+
+        addFile( file, parent, target.getFileName(), mode );
     }
 
     public void addSymlink( Path symlinkFile, Path symlinkTarget )
-- 
1.8.4.2