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From: "Miroslav Šulc" <fordfrog@gentoo.org>
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Subject: [gentoo-commits] proj/java-ebuilder:master commit in: src/main/java/org/gentoo/java/ebuilder/maven/
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X-VCS-Committer-Name: Miroslav Šulc
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Date: Wed, 27 Nov 2019 09:50:17 +0000 (UTC)
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commit:     46bbaf55e2d6924a324fbff3dc0755e4ad8280eb
Author:     Miroslav Šulc <fordfrog <AT> gentoo <DOT> org>
AuthorDate: Wed Nov 27 09:44:05 2019 +0000
Commit:     Miroslav Šulc <fordfrog <AT> gentoo <DOT> org>
CommitDate: Wed Nov 27 09:49:19 2019 +0000
URL:        https://gitweb.gentoo.org/proj/java-ebuilder.git/commit/?id=46bbaf55

fixing download tarball name

Signed-off-by: Miroslav Šulc <fordfrog <AT> gentoo.org>

 .../gentoo/java/ebuilder/maven/MavenEbuilder.java  | 42 ++++++++++++++++++++--
 1 file changed, 40 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java b/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
index 5ddfd9b..c9ec5b9 100644
--- a/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
+++ b/src/main/java/org/gentoo/java/ebuilder/maven/MavenEbuilder.java
@@ -7,6 +7,8 @@ import java.nio.file.Path;
 import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.List;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
 import org.gentoo.java.ebuilder.Config;
 
 /**
@@ -20,6 +22,16 @@ public class MavenEbuilder {
      * EAPI version.
      */
     private static final String EAPI = "7";
+    /**
+     * Pattern for retrieval of tarball extension.
+     */
+    private static final Pattern PATTERN_TARBALL_EXTENSION = Pattern.compile(
+            "^.*((?:\\.tar)\\.\\S+)$");
+    /**
+     * Pattern for checking whether download tarball name matches expected name.
+     */
+    private static final Pattern PATTERN_TARBALL_NAME
+            = Pattern.compile("^.*/\\$\\{P\\}(?:\\.tar)\\.\\S+$");
 
     /**
      * Generates ebuild from the collected information at the specified path.
@@ -194,6 +206,32 @@ public class MavenEbuilder {
         return result;
     }
 
+    /**
+     * If the tarball name does not match pattern ${P}.ext then we will update
+     * it to store the tarball as ${P}.ext.
+     *
+     * @param srcUri source URI
+     *
+     * @return either original source URI or updated source URI
+     */
+    private String improveSrcUri(final String srcUri) {
+        if (PATTERN_TARBALL_NAME.matcher(srcUri).matches()) {
+            return srcUri;
+        }
+
+        final Matcher matcher = PATTERN_TARBALL_EXTENSION.matcher(srcUri);
+
+        /**
+         * We do not know how to get the extension so we will leave the tarball
+         * name as it is.
+         */
+        if (!matcher.matches()) {
+            return srcUri;
+        }
+
+        return srcUri + " -> " + "${P}" + matcher.group(1);
+    }
+
     /**
      * Merges maven project system dependencies of specified type and removed
      * duplicates.
@@ -578,8 +616,8 @@ public class MavenEbuilder {
         writer.println('"');
 
         writer.print("SRC_URI=\"");
-        writer.print(
-                replaceWithVars(config.getDownloadUri().toString(), config));
+        writer.print(improveSrcUri(
+                replaceWithVars(config.getDownloadUri().toString(), config)));
         writer.println('"');
 
         writer.print("LICENSE=\"");