neovim/scripts/update_terminfo.sh

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#!/usr/bin/env bash
#
# usage: ./scripts/update_terminfo.sh
#
# This script does:
#
# 1. Download Dickey's terminfo.src
# 2. Compile temporary terminfo database from terminfo.src
# 3. Use database to generate src/nvim/tui/terminfo_defs.h
#
set -e
url='https://invisible-island.net/datafiles/current/terminfo.src.gz'
target='src/nvim/tui/terminfo_defs.h'
readonly -A entries=(
[ansi]=ansi_terminfo
[interix]=interix_8colour_terminfo
[iterm2]=iterm_256colour_terminfo
[linux]=linux_16colour_terminfo
[putty-256color]=putty_256colour_terminfo
[rxvt-256color]=rxvt_256colour_terminfo
[screen-256color]=screen_256colour_terminfo
[st-256color]=st_256colour_terminfo
[tmux-256color]=tmux_256colour_terminfo
[vte-256color]=vte_256colour_terminfo
[xterm-256color]=xterm_256colour_terminfo
)
db="$(mktemp -du)"
print_bold() {
printf "\\e[1m$*\\e[0m"
}
cd "$(git rev-parse --show-toplevel)"
#
# Get terminfo.src
#
print_bold '[*] Get terminfo.src\n'
curl -O "$url"
gunzip -f terminfo.src.gz
#
# Build terminfo database
#
print_bold '[*] Build terminfo database\n'
tic -x -o "$db" terminfo.src
rm -f terminfo.src
#
# Write src/nvim/tui/terminfo_defs.h
#
print_bold "[*] Writing $target... "
sorted_terms="$(echo "${!entries[@]}" | tr ' ' '\n' | sort | xargs)"
cat > "$target" <<EOF
// This is an open source non-commercial project. Dear PVS-Studio, please check
// it. PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
//
// This file got generated by scripts/update_terminfo.sh and $(tic -V)
//
EOF
for term in $sorted_terms; do
path="$(find "$db" -name "$term")"
if [[ -z $path ]]; then
echo "Not found: $term. Skipping." 1>&2
continue
fi
echo
infocmp -L -1 -A "$db" "$term" | sed -e '1d' -e 's#^#// #' | tr '\t' ' '
echo "static const int8_t ${entries[$term]}[] = {"
echo -n " "; od -v -t d1 < "$path" | cut -c9- | xargs | tr ' ' ','
echo "};"
done >> "$target"
print_bold 'done\n'