Debian Bug report logs - #1020724
snapper: reproducible-builds: Embedded usrmerge path in libsnapper.so.6.0.1

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Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Vagrant Cascadian <vagrant@reproducible-builds.org>

To: submit@bugs.debian.org

Subject: snapper: reproducible-builds: Embedded usrmerge path in libsnapper.so.6.0.1

Date: Sun, 25 Sep 2022 12:53:40 -0700

[Message part 1 (text/plain, inline)]

Source: snapper
Severity: normal
Tags: patch
User: reproducible-builds@lists.alioth.debian.org
Usertags: usrmerge
X-Debbugs-Cc: reproducible-bugs@lists.alioth.debian.org

The binary path for "rm" is embedded in /usr/lib/x86_64-linux-gnu/libsnapper.so.6.0.1:

  https://tests.reproducible-builds.org/debian/rb-pkg/bookworm/amd64/diffoscope-results/snapper.html

  /bin/rm
  vs.
  /usr/bin/rm

As well as several other binary paths in an example Makefile.

The attached patch fixes this in debian/rules by pasing variables to
configure to use the non-usrmerge paths, which are the most compatible
across all systems.

With this patch applied snapper should build reproducibly on
tests.reproducible-builds.org when once it migrates to testing!

Thanks for maintaining snapper!

live well,
  vagrant

[0001-debian-rules-Pass-variables-to-ensure-consistent-pat.patch (text/x-diff, inline)]

From 61e138da79fe1de6f3b2ac2de2268b3523f782c8 Mon Sep 17 00:00:00 2001
From: Vagrant Cascadian <vagrant@reproducible-builds.org>
Date: Sun, 25 Sep 2022 19:09:51 +0000
Subject: [PATCH 1/2] debian/rules: Pass variables to ensure consistent paths
 in binaries.

Use the most compatible paths for CPBIN, GREP, EGREP, FGREP, MKDIR_P,
RMBIN and SED, which differ depending on if built on a usrmerge
vs. non-usrmerge system.
---
 debian/rules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/debian/rules b/debian/rules
index 9285363..241b9bb 100755
--- a/debian/rules
+++ b/debian/rules
@@ -12,7 +12,7 @@ include /usr/share/dpkg/architecture.mk
 	dh $@
 
 override_dh_auto_configure:
-	dh_auto_configure -- --with-conf=/etc/default --disable-zypp --enable-xattrs --disable-silent-rules --disable-ext4
+	dh_auto_configure -- --with-conf=/etc/default --disable-zypp --enable-xattrs --disable-silent-rules --disable-ext4 CPBIN=/bin/cp GREP=/bin/grep EGREP='/bin/grep -E' FGREP='/bin/grep -F' MKDIR_P='/bin/mkdir -p' RMBIN=/bin/rm SED=/bin/sed
 
 override_dh_auto_install:
 	dh_auto_install
-- 
2.37.2

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