Source: zp Version: 1.0-1 Severity: wishlist Tags: patch User: reproducible-builds@lists.alioth.debian.org Usertags: timestamps X-Debbugs-CC: reproducible-builds@lists.alioth.debian.org
Hi! While working on Debian's “reproducible builds” effort [1], we have noticed that zp doesn't build reproducibly. It embeds the current date into the manpage. The attached patch fixes this by using the last changelog date as a timestamp that will be embedded. Regards, Reiner [1]: https://wiki.debian.org/ReproducibleBuilds
diff --git a/debian/patches/reproducible_build.patch b/debian/patches/reproducible_build.patch
new file mode 100644
index 0000000..ffd70c5
--- /dev/null
+++ b/debian/patches/reproducible_build.patch
@@ -0,0 +1,16 @@
+Author: Reiner Herrmann <rei...@reiner-h.de>
+Description: Remove timestamp from binary to enable reproducible builds.
+
+Index: zp-1.0/zp.cpp
+===================================================================
+--- zp-1.0.orig/zp.cpp
++++ zp-1.0/zp.cpp
+@@ -3358,7 +3358,7 @@ static void list(int argc, char** argv)
+ // Print help message and exit
+ static void usage() {
+ printf("ZP v1.00 archiver, (C) 2010, Ocarina Networks Inc.\n"
+- "Written by Matt Mahoney, " __DATE__ ".\n"
++ "Written by Matt Mahoney.\n"
+ "Licensed under GPL v3, http://www.gnu.org/copyleft/gpl.html\n";
+ "\n"
+ "Usage: zp command archive.zpaq [files...]\n"
diff --git a/debian/patches/series b/debian/patches/series
new file mode 100644
index 0000000..b2026fe
--- /dev/null
+++ b/debian/patches/series
@@ -0,0 +1 @@
+reproducible_build.patch
diff --git a/debian/pod2man.mk b/debian/pod2man.mk
index 64bc797..f878a28 100644
--- a/debian/pod2man.mk
+++ b/debian/pod2man.mk
@@ -34,9 +34,10 @@ endif
PACKAGE ?= package
# Optional variables to set
+BUILD_DATE ?= $$(dpkg-parsechangelog -S Date -lchangelog)
MANSECT ?= 1
PODCENTER ?= User Commands
-PODDATE = $$(date "+%Y-%m-%d")
+PODDATE = $$(date -u "+%Y-%m-%d" -d "$(BUILD_DATE)")
# Directories
MANSRC =
signature.asc
Description: OpenPGP digital signature
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