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feat(fastfetch): support product-local renderers #283

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feat(fastfetch): support product-local renderers #283

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40 changes: 28 additions & 12 deletions ryoku/apps/fastfetch/ryoku-fastfetch
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Original file line number Diff line number Diff line change
@@ -1,21 +1,37 @@
#!/usr/bin/env bash
# Ryoku-branded fastfetch. The emblem is rendered natively by fastfetch's
# kitty-direct logo (image left, dossier right). fastfetch auto-enables "pipe
# mode" when it thinks stdout isn't a real TTY, which SILENTLY disables image
# logos and falls back to ASCII -- so in kitty we force `--pipe false` to keep
# the image. Outside kitty: chafa if present, else fastfetch's default.
# Ryoku-branded Fastfetch launcher.
#
# Every branch execs fastfetch instead of bounding it with `timeout`: the
# shell module walks the parent chain and skips known wrappers (`time`,
# `sudo`, ...) but not `timeout`, so `timeout 8 fastfetch` reported the
# shell as "timeout" in every greeting. A failed exec makes bash exit 127,
# which no longer masks a missing fastfetch behind a false success.
# Store presets may opt into a product-local renderer with:
# // ryoku:renderer <product-id>/<relative-executable>
#
# The renderer remains inside ~/.local/share/ryoku/fastfetch/<product-id>/ and
# must be executable. Invalid or missing hooks fall through to normal Fastfetch.
set -uo pipefail

config="${XDG_CONFIG_HOME:-$HOME/.config}/fastfetch/config.jsonc"
if [ ! -f "$config" ]; then
data_home="${XDG_DATA_HOME:-$HOME/.local/share}"

if [[ -f "$config" ]]; then
renderer="$(
sed -n 's#^//[[:space:]]*ryoku:renderer[[:space:]][[:space:]]*##p' "$config" \
| head -n1
)"

case "$renderer" in
""|/*|*..*|*[!A-Za-z0-9_./-]*)
;;
*)
hook="$data_home/ryoku/fastfetch/$renderer"
if [[ -x "$hook" && -f "$hook" ]]; then
exec "$hook" "$@"
fi
;;
esac
fi

if [[ ! -f "$config" ]]; then
exec fastfetch "$@"
elif [ -n "${KITTY_WINDOW_ID:-}" ] || [ "${TERM:-}" = "xterm-kitty" ]; then
elif [[ -n "${KITTY_WINDOW_ID:-}" || "${TERM:-}" == "xterm-kitty" ]]; then
exec fastfetch --config "$config" --pipe false "$@"
elif command -v chafa >/dev/null 2>&1; then
exec fastfetch --config "$config" --logo-type chafa "$@"
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