#!/bin/bashset -euo pipefail. "$(dirname "$0")"/setup_standard_config.sh # NOTE ON TOOLS: the only two nice tools I'm aware of that support our use-case# (non-animated svgs) are https://github.com/slowli/term-transcript and# https://github.com/FHPythonUtils/AnsiToImg. They have slightly different# limitations and advantages. If one of them stops being developed, we could# look at the other one.## AnsiToImg can also generate PNGs, but that is currently harder to setup than# `convert`. `convert` supports different backends. I do not completely# understand them. On Debian, it did not work well without `sudo apt install# inkscape`. It's unclear to me whether `convert` used Inkscape or one of its# dependencies. Inkscape can be also used manually for SVG -> PNG conversion.which term-transcript > /dev/null \  || (echo '`term-transcipt` must be installed with e.g.'\           '`cargo binstall term-transcript-cli`.' \           'See also https://github.com/slowli/term-transcript' >&2;      false)which convert > /dev/null \  || echo '`convert` from ImageMagick needs to be installed to create pngs.' \          'Only svgs will be created.' >&2 echo "jj --version: (set PATH to change)"jj --version # Make `jj` wrap text as opposed to `term-transcript`. `term-transcript` wraps# at 80 columns. Also, 80 seems to be the maximum number of columns that's# somewhat readable on mobile devices.## Note that `bash` likes to reset the value of $COLUMNS, so we use a different# variable here that is interpreted by `run_command()` in `helpers.sh`.RUN_COMMAND_COLUMNS=80export RUN_COMMAND_COLUMNS run_script_through_term_transcript_and_pipe_result_to_stderr() {  script="$1"  script_base="${script%.sh}"  script_base="${script_base#demo_}"  outfile=$(mktemp --tmpdir "$script_base"-output-XXXX.ansi)  # We use `term-transcript capture` instead of `term-transcript exec` so that  # we can show the output of the script via `tee`.  (bash "$script" || (echo "SCRIPT FAILED WITH EXIT CODE $?"; false)) 2>&1 | \    tee "$outfile"  term-transcript capture \      --no-inputs --pure-svg --palette powershell \      --font "Fira Code, Liberation Mono, SFMono-Regular, Consolas, Menlo" \      --out "$script_base".svg "$script_base" < "$outfile"  # The default font choice term-transcript would make is:  #     SFMono-Regular, Consolas, Liberation Mono, Menlo  # We add the fonts that were checked and seem to contain all the relevant  # unicode in front.  rm "$outfile"} for script in "$@"; do  run_script_through_term_transcript_and_pipe_result_to_stderr "$script" 2>&1  # By default, 1 SVG unit becomes 1 pixel. The term-transcript output  # defaults to 720 SVG units width.  #  # `-background black` is important because the SVGs use transparency to make  # rounded corners, and the transparent portion becomes white by default.  # TODO(ilyagr): Figure out if `convert` can make PNGs have transparency.  #  # `-resize 100%` is a no-op. `-resize 700x10000`` would make the width 700 px  # and preserve aspect ratio.  which convert > /dev/null \    && convert  -colors 63 -background black -resize 100%  \            "$script_base".svg "$script_base".png \    || truedone