Package: devscripts Version: 2.17.11 Severity: normal If a package has in the past used a version number that is no longer valid, debsnap cannot download any version of that package.
$ debsnap --binary -d . -a amd64 libnspr4 2:4.16-1 debsnap: error: M18-3 is not a valid version According to snapshot.debian.org, in 2009 libnspr4 was built from source package mozilla version M18-3. This is no longer a valid Debian version number, but was then(?). debsnap cannot download a recent version of this package because the available-version information from snapshot.d.o contains a version number that debsnap doesn't know how to handle. ...Marvin -- Package-specific info: --- /etc/devscripts.conf --- --- ~/.devscripts --- Not present -- System Information: Debian Release: buster/sid APT prefers testing APT policy: (990, 'testing'), (500, 'stable-updates'), (500, 'stable'), (200, 'unstable') Architecture: amd64 (x86_64) Foreign Architectures: i386 Kernel: Linux 4.13.0-1-amd64 (SMP w/8 CPU cores) Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US.UTF-8 (charmap=UTF-8) Shell: /bin/sh linked to /bin/dash Init: sysvinit (via /sbin/init) Versions of packages devscripts depends on: ii dpkg-dev 1.19.0.4 ii libc6 2.25-3 ii libfile-homedir-perl 1.002-1 ii perl 5.26.1-3 ii python3 3.6.4~rc1-2 ii sensible-utils 0.0.11 Versions of packages devscripts recommends: ii apt 1.6~alpha5 ii at 3.1.20-3.1 ii curl 7.57.0-1 ii dctrl-tools 2.24-2+b1 ii debian-keyring 2017.11.24 ii dput-ng [dput] 1.15 pn equivs <none> ii fakeroot 1.22-2 ii file 1:5.32-1 ii gnupg 2.2.3-1 ii libdistro-info-perl 0.17 ii libdpkg-perl 1.19.0.4 ii libencode-locale-perl 1.05-1 ii libgit-wrapper-perl 0.047-1 ii liblist-compare-perl 0.53-1 ii liblwp-protocol-https-perl 6.07-2 ii libsoap-lite-perl 1.23-1 ii liburi-perl 1.72-2 ii libwww-perl 6.29-1 ii licensecheck 3.0.31-2 ii lintian 2.5.65 ii man-db 2.7.6.1-4 ii patch 2.7.5-1+b2 ii patchutils 0.3.4-2 ii python3-apt 1.4.0~beta3+b1 ii python3-debian 0.1.31 ii python3-magic 1:5.32-1 ii python3-requests 2.18.1-1 pn python3-unidiff <none> ii python3-xdg 0.25-4 ii strace 4.19-1 ii unzip 6.0-21 ii wdiff 1.2.2-2 ii wget 1.19.2-1 ii xz-utils 5.2.2-1.3 Versions of packages devscripts suggests: pn adequate <none> pn autopkgtest <none> pn bls-standalone <none> ii bsd-mailx [mailx] 8.1.2-0.20160123cvs-4 ii build-essential 12.4 pn check-all-the-things <none> pn cvs-buildpackage <none> pn devscripts-el <none> pn diffoscope <none> pn disorderfs <none> pn dose-extra <none> pn duck <none> pn faketime <none> ii gnuplot 5.2.2+dfsg1-2 ii gnuplot-qt [gnuplot] 5.2.2+dfsg1-2 ii gpgv 2.2.3-1 pn how-can-i-help <none> ii libauthen-sasl-perl 2.1600-1 ii libfile-desktopentry-perl 0.22-1 pn libnet-smtps-perl <none> pn libterm-size-perl <none> ii libtimedate-perl 2.3000-2 pn libyaml-syck-perl <none> ii mailutils [mailx] 1:3.4-1 pn mozilla-devscripts <none> ii mutt 1.9.2-1 ii openssh-client [ssh-client] 1:7.6p1-2 pn piuparts <none> ii quilt 0.63-8.1 pn ratt <none> pn reprotest <none> pn svn-buildpackage <none> ii w3m 0.5.3-34.1 -- no debconf information