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#!/bin/sh
# A wrapper around vim-vimhelp (https://github.com/machakann/vim-vimhelplint).
#
# This file is automatically used by autoload/neomake/makers/ft/help.vim, if
# vimhelplint is installed in Neomake's build dir (and `vimhelplint` is not
# found as an executable).
#
# You can run `make build/vimhelplint` (from Neomake's root) to
# download/install it into Neomake's build dir, and Neomake will use this for
# help files then.
if [ -z "$VIMHELPLINT_DIR" ]; then
# Change to parent dir (not POSIXly, but resolving symlinks).
CDPATH='' cd -P -- "$(dirname -- "$(readlink -f -- "$0" 2>/dev/null || echo "$0")")/.." || exit
VIMHELPLINT_DIR=$PWD/build/vimhelplint
cd - >/dev/null || exit
fi
vimhelplint=${VIMHELPLINT_DIR}/ftplugin/help_lint.vim
if ! [ -f "$vimhelplint" ]; then
echo "$vimhelplint not found." >&2
echo "Run 'make build/vimhelplint' Neomake's root directory to install it." >&2
exit 64
fi
file="$1"
if [ -z "$file" ]; then
echo 'No input file specified.' >&2
exit 64
fi
if ! [ -e "$file" ]; then
echo "File $file is not readable." >&2
exit 1
fi
out=$(${VIMHELPLINT_VIM:-vim} -esN -u NONE -i NONE \
-c "silent edit $1" \
-c 'set ft=help' \
-c "source $vimhelplint" \
-c 'verb VimhelpLintEcho' \
-c 'qall!' 2>&1)
if [ -z "$out" ]; then
exit 0
fi
echo "$out"
exit 1
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