Le 04/07/17 à 14:33, Osamu Aoki a écrit :
Hi,
On Mon, Jul 03, 2017 at 02:52:21PM +0200, Laurent Bigonville wrote:
retitle 866998 uscan: dpkg: error: version '1:-0' has bad syntax: version
number is empty
...
OK there is a PEBKAC issue here, the signature was NOT valid, so it's
expected that it's not matching.
But there is still an issue with the dpkg error from the output above I
believe
dpkg: error: version '1:-0' has bad syntax: version number is empty
Package version consists of 3 parts. The word "version" is overloaded
for narrow "upstream version" and "package version". It's a common
practice around dpkg.
So "version" to be '1:-0' means
EPOCH="1"
VERSION=""
REVISION="1"
And the error message is given by the dpkg command invoked from uscan
and it describes situation correctly. I see no problem with this
situation.
You can also do minimal soul search as:
$ grep dpkg /usr/bin/uscan
tarball. The ordering of versions is decided by B<dpkg --compare-versions>.
dpkg(1), mk-origtargz(1), perlre(1), uupdate(1), devscripts.conf(5)
if (system("dpkg", "--compare-versions", "1:${mangled_lastversion}-0", "eq",
"1:${newversion}-0") >> 8 == 0) {
} elsif (system("dpkg", "--compare-versions", "1:${mangled_lastversion}-0", "gt",
"1:${newversion}-0") >> 8 == 0) {
$ dpkg --compare-versions 1 lt 2; echo $?
0
$ dpkg --compare-versions 1 gt 2; echo $?
1
$ dpkg --compare-versions "1:-" gt 2; echo $?
dpkg: error: version '1:-' has bad syntax: revision number is empty
2
$
If you really wish to fix error message, please reassign this bug to
dpkg.
If you have no objection, I will close this bug in devscripts later.
Well I think that if this message is expected, uscan should hide it
completely, as this is misleading for the users
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