Doing an strace shows many of these:
--- SIGCHLD (Child exited) @ 0 (0) ---
unlink("/var/lib/apt/lists/partial/ftp.debian.org_debian_dists_testing_Release.gpg")
= -1 ENOENT (No such file or directory)
stat64("/var/lib/apt/lists/ftp.debian.org_debian_dists_testing_Release.gpg",
0xbfab09b4) = -1 ENOENT (No such file or directory)
unlink("/var/lib/apt/lists/partial/ftp.debian.org_debian_dists_unstable_Release.gpg")
= -1 ENOENT (No such file or directory)
stat64("/var/lib/apt/lists/ftp.debian.org_debian_dists_unstable_Release.gpg",
0xbfab09b4) = -1 ENOENT (No such file or directory)
unlink("/var/lib/apt/lists/partial/ftp.debian.org_debian_dists_experimental_Release.gpg")
= -1 ENOENT (No such file or directory)
stat64("/var/lib/apt/lists/ftp.debian.org_debian_dists_experimental_Release.gpg",
0xbfab09b4) = -1 ENOENT (No such file or directory)
So, in the update command, we are actually removing all the .gpg files. I
noticed that even when I used the --simulate option, it still removes.
12:12:06 rrs@champaran:/var/lib/apt/lists $ ls *.gpg
deb.opera.com_opera_dists_sid_Release.gpg
mirrors.kernel.org_debian_dists_testing_Release.gpg
deb.opera.com_opera_dists_testing_Release.gpg
mirrors.kernel.org_debian_dists_unstable_Release.gpg
dl.google.com_linux_deb_dists_stable_Release.gpg pkg-
kde.alioth.debian.org_kdetrunk_dists_experimental_Release.gpg
dl.google.com_linux_deb_dists_testing_Release.gpg pkg-
kde.alioth.debian.org_kdetrunk_dists_sid_Release.gpg
ftp.debian.org_debian_dists_experimental_Release.gpg
security.debian.org_dists_testing_updates_Release.gpg
ftp.debian.org_debian_dists_testing_Release.gpg www.debian-
multimedia.org_dists_testing_Release.gpg
ftp.debian.org_debian_dists_unstable_Release.gpg www.debian-
multimedia.org_dists_unstable_Release.gpg
mirrors.kernel.org_debian_dists_experimental_Release.gpg
12:12:10 rrs@champaran:/var/lib/apt/lists $ sudo apt-get -qq --print-uris --
simulate update 1>/dev/null
12:13:10 rrs@champaran:/var/lib/apt/lists $ ls *.gpg
ls: cannot access *.gpg: No such file or directory
Regards,
Ritesh
On Tuesday 19 Jan 2010 22:33:22 Ritesh Raj Sarraf wrote:
> Package: apt
> Version: 0.7.25
> Severity: normal
>
> Dear APT Devs,
>
> Following is a problem that I see from a apt-offline user perspective.
>
>
> Step 1
> ======
>
> 14:03:10 rrs@champaran:~ $ sudo aptitude update 1>/dev/null
>
> We want to update the apt database here. This is taken care in apt-offline
> too.
>
>
> Step 2
> ======
>
> 14:04:19 rrs@champaran:~ $ sudo aptitude upgrade
> W: The "upgrade" command is deprecated; use "safe-upgrade" instead.
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Reading extended state information
> Initializing package states... Done
> Reading task descriptions... Done
> Resolving dependencies...
> Resolving dependencies...
> The following packages have been kept back:
> tex-common{a} texlive-base{a} texlive-common{a} texlive-doc-base{a}
> texlive-fonts-recommended{a} texlive-latex-base{a}
> texlive-latex-recommended{a}
> The following NEW packages will be installed:
> libbrlapi0.5{a}
> The following packages will be upgraded:
> apt-cross apt-file crash dhcp3-client dhcp3-common dpkg dpkg-cross
> dpkg-dev dselect graphviz irb1.8 libart2.0-cil libcache-apt-perl
> libdebian-dpkgcross-perl libdmx-dev libdmx1 libgconf2.0-cil libgmp3-dev
> libgmp3c2 libgmpxx4ldbl libgnome-vfs2.0-cil libgnome2.24-cil libgraphviz4
> libndesk-dbus-glib1.0-cil libndesk-dbus1.0-cil libopenssl-ruby1.8
> libreadline-ruby1.8 libruby1.8 libthai-data libthai0 libxxf86dga-dev
> libxxf86dga1 libxxf86vm-dev libxxf86vm1 module-assistant python-beaker
> python3.1 python3.1-dbg python3.1-doc python3.1-examples python3.1-minimal
> qemu qemu-system qemu-user qemu-utils ruby1.8 user-mode-linux
> x11proto-dmx-dev x11proto-fixes-dev x11proto-xf86bigfont-dev
> x11proto-xf86dga-dev x11proto-xf86vidmode-dev xinput
> 53 packages upgraded, 1 newly installed, 0 to remove and 8 not upgraded.
> Need to get 15.0MB/58.4MB of archives. After unpacking 1,683kB will be
> used. Do you want to continue? [Y/n/?]
> Writing extended state information... Done
> Get:1 http://ftp.debian.org testing/main libgraphviz4 2.20.2-7 [535kB]
> 0% [1 libgraphviz4 77828/535kB 14%]^C
>
>
> So the APT database is updated and it shows that there are a bunch of
> packages that need to be downloaded. Point to note is that at this stage,
> the apt database is GPG clean.
>
>
> Step 3
> ======
>
> 14:05:55 rrs@champaran:~ $ sudo apt-get --print-uris upgrade
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> The following packages have been kept back:
> qemu-system tex-common texlive-base texlive-common texlive-doc-base
> texlive-fonts-recommended texlive-latex-base texlive-latex-recommended
> The following packages will be upgraded:
> apt-cross apt-file crash dhcp3-client dhcp3-common dpkg dpkg-cross
> dpkg-dev dselect graphviz irb1.8 libart2.0-cil libcache-apt-perl
> libdebian-dpkgcross-perl libdmx-dev libdmx1 libgconf2.0-cil libgmp3-dev
> libgmp3c2 libgmpxx4ldbl libgnome-vfs2.0-cil libgnome2.24-cil libgraphviz4
> libndesk-dbus-glib1.0-cil libndesk-dbus1.0-cil libopenssl-ruby1.8
> libreadline-ruby1.8 libruby1.8 libthai-data libthai0 libxxf86dga-dev
> libxxf86dga1 libxxf86vm-dev libxxf86vm1 module-assistant python-beaker
> python3.1 python3.1-dbg python3.1-doc python3.1-examples python3.1-minimal
> qemu qemu-user qemu-utils ruby1.8 user-mode-linux x11proto-dmx-dev
> x11proto-fixes-dev x11proto-xf86bigfont-dev x11proto-xf86dga-dev
> x11proto-xf86vidmode-dev xinput The following packages will be DOWNGRADED:
> apt-offline
> 52 upgraded, 0 newly installed, 1 downgraded, 0 to remove and 8 not
> upgraded. Need to get 15.0MB/46.9MB of archives.
> After this operation, 1,434kB of additional disk space will be used.
> Do you want to continue [Y/n]? y
> 'http://ftp.debian.org/debian/pool/main/g/graphviz/libgraphviz4_2.20.2-7_i3
> 86.deb' libgraphviz4_2.20.2-7_i386.deb 535016
> SHA256:b65b11adc0821a87525834e69f075fd444c060f07e39983086958cdbac400ff0
> ....snipped...
>
>
> This is what apt-offline calls internally to get the list of packages that
> need to be downloaded. So, as we see here, the APT database is still GPG
> clean. There are no complains about the authenticity of the pacakge
> database.
>
>
> Step 4
> ======
>
> 14:06:18 rrs@champaran:~ $ sudo aptitude upgrade
> W: The "upgrade" command is deprecated; use "safe-upgrade" instead.
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Reading extended state information
> Initializing package states... Done
> Writing extended state information... Done
> Reading task descriptions... Done
> Resolving dependencies...
> Resolving dependencies...
> The following packages have been kept back:
> tex-common{a} texlive-base{a} texlive-common{a} texlive-doc-base{a}
> texlive-fonts-recommended{a} texlive-latex-base{a}
> texlive-latex-recommended{a}
> The following NEW packages will be installed:
> libbrlapi0.5{a}
> The following packages will be upgraded:
> apt-cross apt-file crash dhcp3-client dhcp3-common dpkg dpkg-cross
> dpkg-dev dselect graphviz irb1.8 libart2.0-cil libcache-apt-perl
> libdebian-dpkgcross-perl libdmx-dev libdmx1 libgconf2.0-cil libgmp3-dev
> libgmp3c2 libgmpxx4ldbl libgnome-vfs2.0-cil libgnome2.24-cil libgraphviz4
> libndesk-dbus-glib1.0-cil libndesk-dbus1.0-cil libopenssl-ruby1.8
> libreadline-ruby1.8 libruby1.8 libthai-data libthai0 libxxf86dga-dev
> libxxf86dga1 libxxf86vm-dev libxxf86vm1 module-assistant python-beaker
> python3.1 python3.1-dbg python3.1-doc python3.1-examples python3.1-minimal
> qemu qemu-system qemu-user qemu-utils ruby1.8 user-mode-linux
> x11proto-dmx-dev x11proto-fixes-dev x11proto-xf86bigfont-dev
> x11proto-xf86dga-dev x11proto-xf86vidmode-dev xinput
> 53 packages upgraded, 1 newly installed, 0 to remove and 8 not upgraded.
> Need to get 15.0MB/58.4MB of archives. After unpacking 1,683kB will be
> used. Do you want to continue? [Y/n/?]
> Writing extended state information... Done
> Get:1 http://ftp.debian.org testing/main libgraphviz4 2.20.2-7 [535kB]
> 0% [1 libgraphviz4 120671/535kB 22%]^C
>
> Same goes here. The APT database is still GPG clean. There are no complains
> about the authenticity of the pacakge database.
>
>
> Step 5
> ======
>
> 14:06:36 rrs@champaran:~ $ sudo apt-get -qq --print-uris update
> 'http://mirrors.kernel.org/debian/dists/testing/main/binary-i386/Packages.b
> z2' mirrors.kernel.org_debian_dists_testing_main_binary-i386_Packages 0 :
> 'http://mirrors.kernel.org/debian/dists/testing/contrib/binary-i386/Packag
> es.bz2'
> mirrors.kernel.org_debian_dists_testing_contrib_binary-i386_Packages 0 :
> ....snipped...
>
>
> Now assume, you repeat Step 3, this time asking for update uris.
>
>
> Step 6
> ======
>
> 14:06:50 rrs@champaran:~ $ sudo aptitude upgrade
> W: The "upgrade" command is deprecated; use "safe-upgrade" instead.
> Reading package lists... Done
> Building dependency tree
> Reading state information... Done
> Reading extended state information
> Initializing package states... Done
> Writing extended state information... Done
> Reading task descriptions... Done
> Resolving dependencies...
> Resolving dependencies...
> The following packages have been kept back:
> tex-common{a} texlive-base{a} texlive-common{a} texlive-doc-base{a}
> texlive-fonts-recommended{a} texlive-latex-base{a}
> texlive-latex-recommended{a}
> The following NEW packages will be installed:
> libbrlapi0.5{a}
> The following packages will be upgraded:
> apt-cross apt-file crash dhcp3-client dhcp3-common dpkg dpkg-cross
> dpkg-dev dselect graphviz irb1.8 libart2.0-cil libcache-apt-perl
> libdebian-dpkgcross-perl libdmx-dev libdmx1 libgconf2.0-cil libgmp3-dev
> libgmp3c2 libgmpxx4ldbl libgnome-vfs2.0-cil libgnome2.24-cil libgraphviz4
> libndesk-dbus-glib1.0-cil libndesk-dbus1.0-cil libopenssl-ruby1.8
> libreadline-ruby1.8 libruby1.8 libthai-data libthai0 libxxf86dga-dev
> libxxf86dga1 libxxf86vm-dev libxxf86vm1 module-assistant python-beaker
> python3.1 python3.1-dbg python3.1-doc python3.1-examples python3.1-minimal
> qemu qemu-system qemu-user qemu-utils ruby1.8 user-mode-linux
> x11proto-dmx-dev x11proto-fixes-dev x11proto-xf86bigfont-dev
> x11proto-xf86dga-dev x11proto-xf86vidmode-dev xinput
> 53 packages upgraded, 1 newly installed, 0 to remove and 8 not upgraded.
> Need to get 15.0MB/58.4MB of archives. After unpacking 1,683kB will be
> used. Do you want to continue? [Y/n/?]
> WARNING: untrusted versions of the following packages will be installed!
>
> Untrusted packages could compromise your system's security.
> You should only proceed with the installation if you are certain that
> this is what you want to do.
>
> apt-cross dhcp3-client irb1.8 python-beaker module-assistant
> x11proto-xf86dga-dev qemu-user libgconf2.0-cil libxxf86vm1 qemu-system
> libgmp3-dev qemu libart2.0-cil libxxf86dga-dev dhcp3-common
> libgnome2.24-cil libndesk-dbus1.0-cil python3.1 libdmx-dev
> python3.1-minimal ruby1.8 python3.1-examples libdmx1 apt-file xinput
> libgmpxx4ldbl libbrlapi0.5 x11proto-dmx-dev libxxf86dga1 libgmp3c2
> x11proto-xf86bigfont-dev libdebian-dpkgcross-perl libthai0 dpkg
> python3.1-dbg python3.1-doc x11proto-fixes-dev dpkg-dev dpkg-cross
> libcache-apt-perl libthai-data x11proto-xf86vidmode-dev crash qemu-utils
> libndesk-dbus-glib1.0-cil libxxf86vm-dev libruby1.8 libgnome-vfs2.0-cil
> libgraphviz4 libopenssl-ruby1.8 libreadline-ruby1.8 graphviz
> user-mode-linux dselect
>
> Do you want to ignore this warning and proceed anyway?
> To continue, enter "Yes"; to abort, enter "No": ^C
>
>
>
> And now you again call apt-get/aptitude upgrade. And at this point, the APT
> database is not GPG clean.
>
>
> Any particular reason for doing this ? We instructed apt-get to use
> --print-uris in Step 5 but looks like it goes ahead and alters the APT
> database at that point.
>
> I rely on the --print-uris option in apt-offline. If the user uses the
> --print-uris option with the update command, they get a fake impression
> that the APT database is not GPG clean.
>
> Can/Should this be changed to not touch the database when using
> --print-uris ? Or is there another way I should handle it ?
>
--
Ritesh Raj Sarraf
RESEARCHUT - http://www.researchut.com
"Necessity is the mother of invention."
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