Typo in .hgsub renders revisions un-checkout-able
paul_nathan at selinc.com
paul_nathan at selinc.com
Wed Nov 21 11:58:49 CST 2012
This is generally true for hg subrepos as well, in my experience. Usually
I've had to fart around pretty hard to get anything working again. As I
recall, the best way to solve it is to `hg up -r null`, `rm .hgsub` and
then update to a consistent .hgsub revision. N.b., this was part of the
motivation for guestrepos.
I'd love it if this was solvable in a more user-friendly way.
- - -
Regards,
Paul Nathan
From: Greg Ward <greg at gerg.ca>
To: mercurial-devel at selenic.com,
Date: 11/21/2012 09:11 AM
Subject: Typo in .hgsub renders revisions un-checkout-able
Sent by: mercurial-devel-bounces at selenic.com
Hi all --
I'm using git subrepos, and yesterday I made a mistake adding a new
subrepo. See if you can spot the typo:
--- a/.hgsub
+++ b/.hgsub
@@ -2,3 +2,4 @@
src/github.com/cznic/golex = [git]git://github.com/cznic/golex
src/github.com/cznic/lexer = [git]git://github.com/cznic/lexer
src/github.com/cznic/lex = [git]git://github.com/cznic/lex
+src/github.com/stretchrcom/testify =
[git]:git://github.com/stretchrcom/testify
Yep, an extra colon snuck in right after "[git]". Oops, my mistake.
100% user error and I'll fix it as soon as I can.
Unfortunately, the changeset resulting from this commit cannot be
checked out:
$ hg up 73
cloning subrepo src/github.com/stretchrcom/testify from
ssh://lucifer/src/fubsy/:git:/github.com/stretchrcom/testify
fatal: '/src/fubsy/:git:/github.com/stretchrcom/testify' does not appear
to be a git repository
fatal: The remote end hung up unexpectedly
abort: git clone error 128 in src/github.com/stretchrcom/testify
"ssh://lucifer/src/fubsy" is paths.default in my container repo, so I
guess the stray colon causes URL parsing confusion -- the resulting
URL makes no sense to git, so no wonder it fails.
On reflection, I'm guessing that *any* error in the URL for a git
subrepo could cause this problem. This seems like a serious usability
problem. You should not be able to commit a changeset that you cannot
update to later. Probably instead of an abort, you should get a big
noisy warning like
failed to clone git subrepo: your working directory is inconsistent!
(maybe you need to fix .hgsub so git clone works?)
Thoughts?
Greg
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