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From 5ba0fab707d9a4bf7ba46d5bf17887f91ad16ca4 Mon Sep 17 00:00:00 2001
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From: Mikolaj Izdebski <mizdebsk@redhat.com>
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Date: Mon, 6 Jan 2014 14:45:06 +0100
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Subject: [PATCH 4/4] Add support for absolute artifact symlinks
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[backport-feature-absolute-symlinks]
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---
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 .../maven/installer/impl/DefaultInstaller.java     | 51 +++++++++++++++++-----
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 .../maven/installer/impl/Package.java              |  6 ++-
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 2 files changed, 46 insertions(+), 11 deletions(-)
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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
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index e22905f..efaeeaf 100644
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--- a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java
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+++ b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/DefaultInstaller.java
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@@ -255,8 +255,7 @@ public class DefaultInstaller
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         for ( Path basePath : basePaths )
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         {
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             if ( basePath.isAbsolute() )
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-                throw new RuntimeException( "Absolute JPP artifact paths are not supported: artifact: " + artifact
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-                    + ", path: " + basePath );
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+                continue;
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             Path jppName = basePath.getFileName();
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             Path jppGroup = Paths.get( "JPP" );
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@@ -280,9 +279,35 @@ public class DefaultInstaller
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             }
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         }
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+        if ( jppArtifacts.isEmpty() )
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+            throw new RuntimeException( "At least one non-absolute file must be specified for artifact " + artifact );
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+
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         return jppArtifacts;
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     }
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+    private void installAbsoluteSymlinks( Package pkg, Artifact artifact, PackagingRule rule, Path symlinkTarget )
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+        throws IOException
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+    {
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+        List<String> versionSuffixes = new ArrayList<>();
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+        for ( String version : rule.getVersions() )
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+            versionSuffixes.add( "-" + version );
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+        if ( rule.getVersions().isEmpty() )
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+            versionSuffixes.add( "" );
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+
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+        for ( String filePath : rule.getFiles() )
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+        {
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+            String classifierSuffix = artifact.getClassifier().isEmpty() ? "" : "-" + artifact.getClassifier();
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+            String extensionSuffix = artifact.getExtension().isEmpty() ? "" : "." + artifact.getExtension();
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+
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+            for ( String versionSuffix : versionSuffixes )
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+            {
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+                Path symlink = Paths.get( filePath + versionSuffix + classifierSuffix + extensionSuffix );
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+                if ( symlink.isAbsolute() )
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+                    pkg.addSymlink( Paths.get( "/" ).relativize( symlink ), symlinkTarget );
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+            }
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+        }
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+    }
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+
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     private void installArtifact( Package pkg, Artifact artifact, List<Artifact> aliases, List<Artifact> jppArtifacts )
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         throws IOException
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     {
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@@ -586,18 +611,24 @@ public class DefaultInstaller
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             develArtifacts.add( artifact );
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         }
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-        else if ( !isAttachedArtifact )
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+        else
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         {
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-            installPomFiles( pkg, artifact, jppArtifacts );
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+            Path primaryJppArtifactPath = jppArtifacts.iterator().next().getFile().toPath();
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+            installAbsoluteSymlinks( pkg, artifact, rule, primaryJppArtifactPath );
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-            Set<Artifact> userArtifacts = packageUserArtifacts.get( pkg );
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-            if ( userArtifacts == null )
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+            if ( !isAttachedArtifact )
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             {
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-                userArtifacts = new LinkedHashSet<>();
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-                packageUserArtifacts.put( pkg, userArtifacts );
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-            }
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+                installPomFiles( pkg, artifact, jppArtifacts );
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-            userArtifacts.add( artifact );
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+                Set<Artifact> userArtifacts = packageUserArtifacts.get( pkg );
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+                if ( userArtifacts == null )
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+                {
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+                    userArtifacts = new LinkedHashSet<>();
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+                    packageUserArtifacts.put( pkg, userArtifacts );
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+                }
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+
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+                userArtifacts.add( artifact );
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+            }
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         }
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     }
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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
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index 104c53d..79140a6 100644
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--- a/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java
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+++ b/xmvn-core/src/main/java/org/fedoraproject/maven/installer/impl/Package.java
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@@ -83,7 +83,11 @@ class Package
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     public void addFile( Path file, Path target, int mode )
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     {
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-        addFile( file, target.getParent(), target.getFileName(), mode );
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+        Path parent = target.getParent();
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+        if ( parent == null )
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+            parent = Paths.get( "." );
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+
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+        addFile( file, parent, target.getFileName(), mode );
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     }
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     public void addSymlink( Path symlinkFile, Path symlinkTarget )
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-- 
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1.8.4.2
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