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Description of problem:
virt-edit doesn't support --format raw, it only support --format=raw, so line '--format raw|qcow2|...' should change to '--format=raw|qcow2|...' in man virt-edit


Version-Release number of selected component (if applicable):
libguestfs-1.27.62-1.1.el7


How reproducible:
100%


Steps to Reproduce:
1. Prepare a rhel guest image: rhel.img
2. Read man virt-edit, search --format raw
3. #virt-edit --format raw -a rhel.img  /etc/hosts


Actual results:
#virt-edit --format raw -a rhel.img  /etc/hosts
libguestfs: error: download: download_stub: path must start with a / character


Expected results:
command 'virt-edit --format raw -a rhel.img  /etc/hosts' should give a proper error message,such as:
#virt-edit --format raw -a rhel.img
Try `virt-edit --help' for more information.


Additional info:

«--format FMT» is not the same as «--format=FMT», because all of the C tools use getopt_long with --format as optional argument, so «--format FMT» is interpreted as argument-less --format with FMT as parameter.

Since the tools that can mount more than one image need to have a way to reset the format autodetection, hence the argument-less --format is accepted. All the man pages of tools document that.
(0c1d3c02a8147617ee0646e37d011235abdd2c22 introduces this behaviour in guestfish)

Simple fix pushed as
https://github.com/libguestfs/libguestfs/commit/145a188f7056d4414adef472e95cad5640d79511

I've just realised that we have had this patch in RHEL 7 for
a little while.

Version: libguestfs-1.28.1-1.11.el7.x86_64


    --format=raw|qcow2|..

Verified as above.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://rhn.redhat.com/errata/RHBA-2015-0303.html