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## vim:ft=zsh
## Written by Frank Terbeck <ft@bewatermyfriend.org>
## Distributed under the same BSD-ish license as zsh itself.

setopt localoptions noksharrays NO_shwordsplit
local msg tmp
local -i i
local -A hook_com
# The _origs are needed because hooks can change values and there would
# be no way to get the originals back for later hooks (a hook is run for
# each message, that's being created).
hook_com=(
    action        "$1"
    action_orig   "$1"
    branch        "$2"
    branch_orig   "$2"
    base          "$3"
    base_orig     "$3"
    staged        "$4"
    staged_orig   "$4"
    unstaged      "$5"
    unstaged_orig "$5"
    revision      "$6"
    revision_orig "$6"
    misc          "$7"
    misc_orig     "$7"
    vcs           "${vcs}"
    vcs_orig      "${vcs}"
)
hook_com[base-name]="${${hook_com[base]}:t}"
hook_com[base-name_orig]="${hook_com[base-name]}"
hook_com[subdir]="$(VCS_INFO_reposub ${hook_com[base]})"
hook_com[subdir_orig]="${hook_com[subdir]}"

VCS_INFO_hook 'post-backend'

## description (for backend authors):
#   action:   a string that signals a certain non-default condition in the
#             repository (like 'rebase-i' in git). If this in non-empty,
#             the actionformats will be used, too.
#   branch:   the name of the currently checked out branch.
#   base:     the full name of the repository's root directory.
#   staged:   non-empty if the repository contains staged changes.
#   unstaged: non-empty if the repository contains unstaged changes.
#   revision: an identifier of the currently checked out revision.
#   misc:     a string that may contain anything the backend author likes.
#
# If an argument has no valid value for a given backend, an empty value
# should be provided. eg:
#   VCS_INFO_formats '' "${foobranch}" "${foobase}" '' '' '' "${foomisc}"

## description (vcs_info internals):
# This function is called by the backend with information about the repository,
# and (after some manipulations) populates the ${msgs} variable in preparation
# for calling VCS_INFO_set.

if [[ -n ${hook_com[action]} ]] ; then
    zstyle -a ":vcs_info:${vcs}:${usercontext}:${rrn}" actionformats msgs
    (( ${#msgs} < 1 )) && msgs[1]=' (%s)-[%b|%a]%u%c-'
else
    zstyle -a ":vcs_info:${vcs}:${usercontext}:${rrn}" formats msgs
    (( ${#msgs} < 1 )) && msgs[1]=' (%s)-[%b]%u%c-'
fi

if [[ -n ${hook_com[staged]} ]] ; then
    zstyle -s ":vcs_info:${vcs}:${usercontext}:${rrn}" stagedstr tmp
    [[ -z ${tmp} ]] && hook_com[staged]='S' || hook_com[staged]=${tmp}
fi

if [[ -n ${hook_com[unstaged]} ]] ; then
    zstyle -s ":vcs_info:${vcs}:${usercontext}:${rrn}" unstagedstr tmp
    [[ -z ${tmp} ]] && hook_com[unstaged]='U' || hook_com[unstaged]=${tmp}
fi

if [[ ${quiltmode} != 'standalone' ]] && VCS_INFO_hook "pre-addon-quilt"; then
    local REPLY
    VCS_INFO_quilt addon
    hook_com[quilt]="${REPLY}"
    unset REPLY
elif [[ ${quiltmode} == 'standalone' ]]; then
    hook_com[quilt]=${hook_com[misc]}
fi

(( ${#msgs} > maxexports )) && msgs[$(( maxexports + 1 )),-1]=()
for i in {1..${#msgs}} ; do
    if VCS_INFO_hook "set-message" $(( $i - 1 )) "${msgs[$i]}"; then
        zformat -f msg ${msgs[$i]}                      \
                        a:${hook_com[action]}           \
                        b:${hook_com[branch]}           \
                        c:${hook_com[staged]}           \
                        i:${hook_com[revision]}         \
                        m:${hook_com[misc]}             \
                        r:${hook_com[base-name]}        \
                        s:${hook_com[vcs]}              \
                        u:${hook_com[unstaged]}         \
                        Q:${hook_com[quilt]}            \
                        R:${hook_com[base]}             \
                        S:${hook_com[subdir]}
        msgs[$i]=${msg}
    else
        msgs[$i]=${hook_com[message]}
    fi
done
hook_com=()
backend_misc=()
return 0