Re: dchroot with sid
Roger Leigh wrote:
> > Willie Wonka <email@example.com> writes:
> Hi, I'm the schroot/dchroot maintainer. I missed the initial
> question, but I'd just like to note that
Hello! and Thank you for your awesome work and support ;-)
> - the dchroot behaviour had an unintentional backward-incompatible
> change in the options parsing and command execution. This has since
> been corrected; it's currently waiting in NEW and should enter sid
> in a week or so. In the meantime, it's available from
> - schroot allows any number of command-line options, e.g.
> $ schroot -c chroot -- foo --opt1 --opt2 bar baz
> - dchroot allows a single command, but invokes it automatically via
> "sh -c":
> $ dchroot -c chroot "foo --opt1 --opt2 bar baz"
> The schroot syntax (which dchroot in sid is transiently using) is
> rather more flexible, but if you want the dchroot semantics just
> requires '-- sh -c "command"' instead of 'command'.
ahhh.. I think I understand now ;-)
> > Isn't the syntax in that original command, you posted from the bug report
> > actually telling the command dchroot to *ignore* any following 'options',
> > using the ' -- ' syntax, just after the command...IOW
> > Doesn't this;
> >> dchroot -- -c "command"
> > mean: dchroot, ignore options that follow, then pass to it the -c
> > option (which it may ignore?), then "command".?
> This would mean run the "-c" program with "command" as the first
> option (!). Probably not quite what is desired.
> > I only ask b/c, I've learned (from lurking about usenet) that this
> > is one trick that's used to remove filenames that begin with a '-'
> > (hyphen), when using the 'rm' command.
> Yes. It's used here so that dchroot/schroot can distinguish between
> options for themselves and options for the program you want to run.
> For example,
> schroot ls -l
> schroot -- ls -l
> are different. With the former, schroot gets the "-l" option, but
> with the latter ls gets it.
I see! -- thanks for that very clear explanation
> BTW, any dchroot/schroot questions are welcome on the
> buildd-tools-devel mailing list.
Still quite out of my league - but I'll surely keep that in mind.
Same here - and thanks again for the details/info!
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