Debian Bug report logs - #794409
os-prober: generic detection using /etc/os-release (for Void Linux and NixOS)

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

From: Török Edwin <edwin@etorok.net>

To: Debian Bug Tracking System <submit@bugs.debian.org>

Subject: os-prober: generic detection using /etc/os-release (for Void Linux and NixOS)

Date: Sun, 02 Aug 2015 21:55:01 +0300

Package: os-prober
Version: 1.65
Severity: normal
Tags: patch

Dear Maintainer,

os-prober correctly detects Fedora 22, however it doesn't detect Void Linux or
NixOS (they are reported as unknown Linux distribution).

Actual os-prober 1.65 output:
/dev/mapper/os-fedora_root:Fedora release 22 (Twenty Two):Fedora:linux
/dev/mapper/os-void_root:unknown Linux distribution:Linux:linux

Expected output:
/dev/mapper/os-fedora_root:Fedora release 22 (Twenty Two):Fedora:linux
/dev/mapper/os-nixos_root:NixOS 14.12.801.221101a (Caterpillar):NixOS:linux
/dev/mapper/os-void_root:Void Linux:Void:linux

Both of these have an /etc/os-release file, and using the patch below allows
update-grub2 to generate the expected names.

--- a/usr/lib/os-probes/mounted/90linux-distro  2014-09-29 00:04:17.000000000
+0300
+++ b/usr/lib/os-probes/mounted/90linux-distro  2015-08-02 21:51:46.911231870
+0300
@@ -17,7 +17,7 @@
 # symlinks we need to also check in $dir/usr/lib* for distributions that
 # moved /lib* to /usr and only left symlinks behind.
 # TODO: look for ld-linux.so on arches that have it
-if (ls "$dir"/lib*/ld*.so* || ls "$dir"/usr/lib*/ld*.so*) >/dev/null
2>/dev/null; then
+if (ls "$dir/etc/os-release" || ls "$dir"/lib*/ld*.so* || ls
"$dir"/usr/lib*/ld*.so*) >/dev/null 2>/dev/null; then
        if [ -e "$dir/etc/debian_version" ]; then
                short="Debian"
                long="$(printf "Debian GNU/Linux (%s)\n" "$(cat
"$dir/etc/debian_version")")"
@@ -125,6 +125,9 @@
        elif [ -e "$dir/etc/meego-release" ]; then
                short="MeeGo"
                long="$(head -1 "$dir/etc/meego-release")"
+       elif [ -e "$dir/etc/os-release" ]; then
+               short=$(cat $dir/etc/os-release|grep ^NAME=|cut -f2 -d=|cut -f2
-d\")
+               long=$(cat $dir/etc/os-release|grep ^PRETTY_NAME=|cut -f2
-d=|cut -f2 -d\")
        else
                short="Linux"
                long="unknown Linux distribution"



-- System Information:
Debian Release: 8.1
  APT prefers stable
  APT policy: (900, 'stable'), (500, 'stable-updates'), (500, 'unstable'), (500, 'testing'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.1.0-trunk-amd64 (SMP w/8 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: sysvinit (via /sbin/init)

Versions of packages os-prober depends on:
ii  libc6  2.19-18

os-prober recommends no packages.

os-prober suggests no packages.

-- no debconf information

Message #12 received at 794409-close@bugs.debian.org (full text, mbox, reply):

From: Colin Watson <cjwatson@debian.org>

To: 794409-close@bugs.debian.org

Subject: Bug#794409: fixed in os-prober 1.72

Date: Fri, 20 Jan 2017 13:04:29 +0000

Source: os-prober
Source-Version: 1.72

We believe that the bug you reported is fixed in the latest version of
os-prober, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 794409@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Colin Watson <cjwatson@debian.org> (supplier of updated os-prober package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Fri, 20 Jan 2017 12:44:34 +0000
Source: os-prober
Binary: os-prober-udeb os-prober
Architecture: source
Version: 1.72
Distribution: unstable
Urgency: medium
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Colin Watson <cjwatson@debian.org>
Description:
 os-prober  - utility to detect other OSes on a set of drives
 os-prober-udeb - utility to detect other OSes on a set of drives (udeb)
Closes: 648208 674561 698598 698733 701814 776275 784709 787418 794409 801631 803155
Changes:
 os-prober (1.72) unstable; urgency=medium
 .
   * Improve logging of mounting and setting partitions to ro/rw (thanks, Ivo
     De Decker).
   * Use a read-only device-mapper entry if possible rather than setting the
     underlying device to read-only (thanks, Ivo De Decker; closes: #701814).
     Note that this introduces a dependency on dmsetup on Linux
     architectures.
   * Remove the "blockdev --setro" code path entirely, since the read-only
     device-mapper arrangement supersedes it and should be safer (closes:
     #648208).
   * Make os-prober-udeb depend on grub-mount-udeb on all Linux and kFreeBSD
     architectures, now that it's available on them all (thanks, James
     Cowgill; closes: #776275).
   * Make os-prober depend on grub-common on Linux and kFreeBSD, in order
     that grub-mount is consistently available.
   * Fix detection of /usr/ partition as a GNU/Linux root partition when
     /lib* directories are moved to /usr/ completely (thanks, Hedayat
     Vatankhah; closes: #698733).
   * Make the yaboot parser more tolerant about the syntax of "append"
     options (thanks, Hedayat Vatankhah; closes: #674561).
   * Disable debugging if OS_PROBER_DISABLE_DEBUG is set (thanks, Hedayat
     Vatankhah; closes: #698598).
   * Replace basename/dirname with shell string processing (thanks, Hedayat
     Vatankhah; part of #694668).
   * Call dmraid only once (thanks, Jeff Mahoney).
   * Fix typos in README (thanks, Nyav; closes: #803155).
   * Add os-release support (based loosely on a patch by Török Edwin; closes:
     #794409).
   * Add Devuan detection (thanks, David Hare; closes: #801631).
   * Work harder to avoid trying to mount extended partitions (thanks,
     Philippe Coval; closes: #784709).
   * Drop " (loader)" suffixes on Microsoft operating systems (thanks, Chris
     Lamb; closes: #787418).
Checksums-Sha1:
 8438248e4fbc40749b85e37c16cf433db51b3cff 1816 os-prober_1.72.dsc
 c7b3b51719328b7cf0258561f4ee9c08f9a21d79 26452 os-prober_1.72.tar.xz
Checksums-Sha256:
 f79975ddbd06ed371c3f27a781d423b2d88af6cc04896946f8df03fa42915f70 1816 os-prober_1.72.dsc
 13ed24f78e83f0c49e11635891458f067e6c8348be210adda46629dd3b7b627a 26452 os-prober_1.72.tar.xz
Files:
 90ced5506beca6dc949347ab30f6e174 1816 debian-installer optional os-prober_1.72.dsc
 16ce39ea58a684f102dd7aff1779cbf5 26452 debian-installer optional os-prober_1.72.tar.xz

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