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From: Frank Terbeck <ft@bewatermyfriend.org>
To: Ioannis Koutras <ioannis.koutras@gmail.com>
Cc: zsh-users@zsh.org,  Seth House <seth@eseth.com>
Subject: Re: vcs_info on a hg repository with a git subrepository; actionformats works ok, formats does not
In-Reply-To: <CAPeCK2PwM=GNAhxqmn-bMiDfKhpXJpOGgCqs05KJvMg1RsqkNg@mail.gmail.com>
	(Ioannis Koutras's message of "Mon, 17 Sep 2012 17:38:44 +0200")
References: <CAPeCK2MsfJJxq0v1_eKA1uo9aJ1Mn-8+B-_YAPit-V_A4MFY6A@mail.gmail.com>
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	<CAPeCK2MRukgGxx=nGhRs8oPMz=zPfj+XDcmf4Vaz+YJ+JZUEXw@mail.gmail.com>
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	<CAPeCK2PwM=GNAhxqmn-bMiDfKhpXJpOGgCqs05KJvMg1RsqkNg@mail.gmail.com>
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Date: Mon, 17 Sep 2012 18:01:21 +0200
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Ioannis Koutras wrote:
[...]
> +VCS_INFO_get_data_hg:52> local HGRCPATH
> +VCS_INFO_get_data_hg:54> read -r r_csetid r_lrev r_branch
> +VCS_INFO_get_data_hg:53> HGRCPATH=/dev/null hg --debug id -i -n -b
> +VCS_INFO_get_data_hg:59> [[ -z --version ]]
> +VCS_INFO_get_data_hg:64> [[ -n --version ]]
[...]

[...]
> +VCS_INFO_get_data_hg:52> local HGRCPATH
> +VCS_INFO_get_data_hg:54> read -r r_csetid r_lrev r_branch
> +VCS_INFO_get_data_hg:53> HGRCPATH=/dev/null hg --debug id -i -n -b
> +VCS_INFO_get_data_hg:59> [[ -z default ]]
> +VCS_INFO_get_data_hg:64> [[ -n default ]]
[...]


That part of the trace corresponds to this code:

[snip]
        local HGRCPATH
        HGRCPATH="/dev/null" ${vcs_comm[cmd]} ${(z)hgid_args} 2> /dev/null \
            | read -r r_csetid r_lrev r_branch
    fi
fi

# If the user doesn't opt to invoke hg we can still get the current branch
if [[ -z ${r_branch} && -r ${branchfile} ]] ; then
    r_branch=$(< ${branchfile})
fi

# If we still don't know the branch it's safe to assume default
[[ -n ${r_branch} ]] || r_branch="default"
[snap]

Thus, the output of "HGRCPATH=/dev/null hg --debug id -i -n -b" has to
contain "--version" in its output on the non-working system. Can you
please check that again?

Regards, Frank