Re: [BUG] git-fetch -k is broken

[ resuming an old thread ]

On Thu, 30 Nov 2006, Junio C Hamano wrote:

> Nicolas Pitre <nico@cam.org> writes:
> 
> > Actually, the .keep file is simply not removed as it should.
> >
> > But first it appears that commit f64d7fd2 added an && on line 431 of 
> > git-fetch.sh and that cannot be right.  There is simply no condition for 
> > not removing the lock file.  It must be removed regardless if the 
> > previous command succeeded or not.  Junio?
> 
> True, but your "echo" patch breaks things even more -- when fast
> forward check fails, it should cause the entire command should
> report that with the exit status.

This "echo" patch was not a fix.  It was only an expeditive hack to 
demonstrate the problem.  Please consider this stripped down test case 
instead:

-------- >8
#!/bin/sh
#

LF='
'
IFS="$LF"

    ( : subshell because we muck with IFS
      pack_lockfile=
      IFS=" 	$LF"
      (
	  echo "keep	123456789abcdef0123456789abcdef012345678"
      ) |
      while read sha1 remote_name
      do
	  case "$sha1" in
	  # special line coming from index-pack with the pack name
	  keep)
		  pack_lockfile="$GIT_OBJECT_DIRECTORY/pack/pack-$remote_name.keep"
		  echo "pack_lockfile set to $pack_lockfile"
		  continue ;;
	  esac
      done &&
      if [ "$pack_lockfile" ]; then echo "rm -f $pack_lockfile"; fi
      echo "pack_lockfile=$pack_lockfile"
    )
-------- >8

The output I get is:

pack_lockfile set to /pack/pack-123456789abcdef0123456789abcdef012345678.keep
pack_lockfile=

In other words the line with the echo "rm -f ..." never shows up and I 
don't know why.

> That suggests that we need to come up with a way to clean up
> these .keep files some other way than just being one of the
> command near the end.  As to the mysterious "echo e <empty>"
> I will not have chance to look at it myself until later today
> (I'm at work now and it is not my git day today).

I hope you (or anyone else) will be able to have a look at this.  My 
shell programming skills are simply not up to it.


Nicolas
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