[Bug 1437] New: [regression] utility "jar" changes file permissions

[bugzilla-daemon at icedtea.classpath.org]

http://icedtea.classpath.org/bugzilla/show_bug.cgi?id=1437

            Bug ID: 1437
           Summary: [regression] utility "jar" changes file permissions
    Classification: Unclassified
           Product: IcedTea
           Version: unspecified
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P3
         Component: IcedTea
          Assignee: gnu.andrew at redhat.com
          Reporter: guillaume at archlinux.org
                CC: unassigned at icedtea.classpath.org

When building OpenJDK 7u21 with Icedtea 2.3.9 (for Arch Linux) the
following jar file gets wrong file permissions (not "go" readable):

% ls -Ahl /usr/lib/jvm/java-7-openjdk/lib/sa-jdi.jar
-rw------- 1 root root 2.5M May 15 08:33
/usr/lib/jvm/java-7-openjdk/lib/sa-jdi.jar

I found the "jar" utility has already had such issue as reported here [0] [1].

I can reproduce the wrong behavior explained in Sun's bug report [1]:

% touch newjar.jar
% echo New >> newManifest
% echo OneMore >> oneMoreManifest

% jar -cfM0 newjar.jar newManifest

% ls -l newjar.jar
-rw-r--r-- 1 guillaume users 132 May 20 12:18 newjar.jar

% jar uf newjar.jar oneMoreManifest

% ls -l newjar.jar
-rw------- 1 guillaume users 264 May 20 12:20 newjar.jar

There is a unit test called UpdateJar.java in OpenJDK for that.

Discussion on distro-pkg-dev list: [3]

[0] https://bugzilla.redhat.com/show_bug.cgi?id=855977
[1] http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=7175845
[3] http://mail.openjdk.java.net/pipermail/distro-pkg-dev/2013-May/023345.html

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