Thread (2 messages) flat view 2 messages, 2 authors, 2016-06-15

Re: [PATCH] remote-hg: fix path when cloning with tilde expansion

From: Junio C Hamano <hidden>
Date: 2016-06-15 22:58:23

Antoine Pelisse [off-list ref] writes:
The current code fixes the path to make it absolute when cloning, but
doesn't consider tilde expansion, so that scenario fails throwing an
exception because /home/myuser/~/my/repository doesn't exists:

    $ git clone hg::~/my/repository && cd repository && git fetch

Expand the tilde when checking if the path is absolute, so that we don't
fix a path that doesn't need to be.

Signed-off-by: Antoine Pelisse <redacted>
---
On Mon, Aug 5, 2013 at 10:30 PM, Felipe Contreras [off-list ref] wrote:
quoted
Shouldn't that be the job of the shell? (s/~/$HOME/)
I'm not sure what you mean here. Does it mean that I should stop cloning using "~" ?
I think shells do not expand ~ when it appears in a string (e.g. hg::~/there);
you could work it around with

	git clone hg::$(echo ~/there)

and I suspect that is what Felipe is alluding to.  A tool (like
remote-hg bridge with this patch) that expands ~ in the middle of a
string also may be surprising to some people, especially to those
who know the shell does not.
I also send this patch as I think it makes more sense to keep the
~ in the path, but just make sure we don't build invalid absolute
path.

By the way, I don't exactly understand why:

    abs_url = urlparse.urljoin("%s/" % os.getcwd(), orig_url)

is done right after instead of:

    abs_url = os.path.abspath(orig_url)
That looks like a good cleanup to me, too, but I may be missing some
subtle points...

By the way, you earlier sent an updated 1/2; is this supposed to be
2/2 to conclude the two-patch series?
quoted hunk
Cheers,
Antoine

 contrib/remote-helpers/git-remote-hg |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/contrib/remote-helpers/git-remote-hg b/contrib/remote-helpers/git-remote-hg
index 1897327..861c498 100755
--- a/contrib/remote-helpers/git-remote-hg
+++ b/contrib/remote-helpers/git-remote-hg
@@ -1135,7 +1135,7 @@ def do_option(parser):

 def fix_path(alias, repo, orig_url):
     url = urlparse.urlparse(orig_url, 'file')
-    if url.scheme != 'file' or os.path.isabs(url.path):
+    if url.scheme != 'file' or os.path.isabs(os.path.expanduser(url.path)):
         return
     abs_url = urlparse.urljoin("%s/" % os.getcwd(), orig_url)
     cmd = ['git', 'config', 'remote.%s.url' % alias, "hg::%s" % abs_url]
--
1.7.9.5
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