Help with cdebootstrap_0.7.7

[jathan]

On 21/11/17 23:41, Chris Lamb wrote:
> Hi Jathan,
> 
>> Since I found the SOURCE_DATE_EPOCH variable in line 41 already. Can
>> someone help to explain me what I need to do please?
> 
> I think your mistake is thinking that the difference between the two
> builds is related to timestamps.
> 
> Have another look at the diffoscope output; you'll see that the remaining
> diff between the first and second builds is nothing to do with times (and
> thus SOURCE_DATE_EPOCH is not relevant here).
> 
> Hope that helps nudge you in the right direction... :)
> 
> 
> Best wishes,
> 
Hello Lamby,

Thanks a lot for your response. Thinking about you have told me, I have
read about "Permissions in data.tar depends on umask" and "Other umask
related variations" in our HowTo
https://wiki.debian.org/ReproducibleBuilds/Howto#Permissions_in_data.tar_depends_on_umask,
considering myself this is the direction I need to follow to patch
cdebootstrap. Based on this, I am thinking about modify the
cdebootstrap's debian/rules file adding the dh_fixperms and
--mode=go=rX,u+rw,a-s values in the next way:

#!/usr/bin/make -f

# Uncomment this to turn on verbose mode.
#export DH_VERBOSE=1

DPKG_EXPORT_BUILDFLAGS = 1
include /usr/share/dpkg/default.mk

%:
        dh_fixperms $@ --parallel --with autoreconf

override_dh_auto_configure:
        dh_auto_configure --builddir build-deb -- \
                --with-dpkg-arch=$(DEB_HOST_ARCH) \
                --with-frontend=standalone
        dh_auto_configure --builddir build-static -- \
                --with-dpkg-arch=$(DEB_HOST_ARCH) \
                --enable-static \
                --with-configdir=\$${datadir}/cdebootstrap-static \
                --with-frontend=standalone
        dh_auto_configure --builddir build-tar -- \
                --with-dpkg-arch=$(DEB_HOST_ARCH) \
                --enable-static \
                --with-configdir=BINARY/cdebootstrap-support \
                --with-frontend=standalone

override_dh_auto_build:
        dh_auto_build --builddir build-deb
        dh_auto_build --builddir build-static
        dh_auto_build --builddir build-tar

override_dh_auto_install:
        dh_auto_install --builddir build-deb --destdir debian/cdebootstrap

        dh_auto_install --builddir build-static --destdir
debian/cdebootstrap-static
        mv debian/cdebootstrap-static/usr/bin/cdebootstrap
debian/cdebootstrap-static/usr/bin/cdebootstrap-static
        mv debian/cdebootstrap-static/usr/share/man/man1/cdebootstrap.1
debian/cdebootstrap-static/usr/share/man/man1/cdebootstrap-static.1

        dh_auto_install --builddir build-tar --destdir debian/tmp
        strip --remove-section=.comment --remove-section=.note
debian/tmp/usr/bin/cdebootstrap
        tar -C --mode=go=rX,u+rw,a-s debian/tmp/usr/bin
--mtime=@$(SOURCE_DATE_EPOCH) -cf debian/tmp/
	cdebootstrap_$(DEB_VERSION)_$(DEB_HOST_ARCH).tar .
        mkdir -p debian/cdebootstrap-static/usr/lib/cdebootstrap
        cp debian/tmp/cdebootstrap_$(DEB_VERSION)_$(DEB_HOST_ARCH).tar
debian/cdebootstrap-static/usr/lib/cdebootstrap

        ( echo -n "misc:Built-Using="; dpkg-query -f='$${source:Package}
(= $${source:Version}), ' -W libc6-dev libdebian-installer4-dev
libdebconfclient0-dev libbz2-dev liblzma-dev zlib1g-dev; echo ) >>
debian/cdebootstrap-static.substvars

override_dh_auto_clean:
        -rm -rf build-*

Am I right? Thanks and regards.

Jathan

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