update_terminfo.sh 2.23 KB
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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
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  [cygwin]=cygwin_terminfo
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  [win32con]=win32con_terminfo
  [conemu]=conemu_terminfo
  [vtpcon]=vtpcon_terminfo
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)

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'
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cat terminfo.src scripts/windows.ti | tic -x -o "$db" -
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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

//
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// Generated by scripts/update_terminfo.sh and $(tic -V)
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//
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#ifndef NVIM_TUI_TERMINFO_DEFS_H
#define NVIM_TUI_TERMINFO_DEFS_H

#include <stdint.h>
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EOF

for term in $sorted_terms; do
  path="$(find "$db" -name "$term")"
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  if [ -z "$path" ]; then
    >&2 echo "Not found: $term. Skipping."
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    continue
  fi
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  printf '\n'
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  infocmp -L -1 -A "$db" "$term" | sed -e '1d' -e 's#^#// #' | tr '\t' ' '
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  printf 'static const int8_t %s[] = {\n' "${entries[$term]}"
  printf '  '
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  od -v -t d1 < "$path" | cut -c9- | xargs | tr ' ' ',' | tr -d '\n'
  printf '  // NOLINT\n};\n'
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done >> "$target"

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cat >> "$target" <<EOF
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#endif  // NVIM_TUI_TERMINFO_DEFS_H
EOF
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print_bold 'done\n'