[Reproducible-commits] [dpkg] 52/54: Normalize file permissions when creating control.tar

[Mattia Rizzolo]

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mattia pushed a commit to branch pu/reproducible_builds
in repository dpkg.

commit 91e2816899f2fea479d8a041934779b5d439f6b3
Author: Jérémy Bobbio <lunar at debian.org>
Date:   Thu Jun 4 18:48:28 2015 +0200

    Normalize file permissions when creating control.tar
    
    Permissions of file in control.tar will likely be affected by a different
    umask. While `dh_fixperms` already normalizes permissions for most
    packages, debhelper is not used by everywhere. As there is no use cases
    for having different permissions for control files than 644 or 755,
    we can normalize them directly in dpkg.
    
    This helps packages to build reproducibly when built with different umasks.
---
 dpkg-deb/build.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/dpkg-deb/build.c b/dpkg-deb/build.c
index 7112876..a2112c3 100644
--- a/dpkg-deb/build.c
+++ b/dpkg-deb/build.c
@@ -594,7 +594,7 @@ do_build(const char *const *argv)
     m_dup2(p1[1],1); close(p1[0]); close(p1[1]);
     if (chdir(ctrldir))
       ohshite(_("failed to chdir to '%.255s'"), ctrldir);
-    execlp(TAR, "tar", "-cf", "-", "--format=gnu", "--sort=name", ".", NULL);
+    execlp(TAR, "tar", "-cf", "-", "--format=gnu", "--sort=name", "--mode=go=rX,u+rw,a-s", ".", NULL);
     ohshite(_("unable to execute %s (%s)"), "tar -cf", TAR);
   }
   close(p1[1]);

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