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#!/bin/bash
set -euo pipefail
target="$1"
dedicated_dir='/tmp/alacritty'
# Unique per launch: cleanup deletes the files when the session inside ends,
# so a second window (or a relaunch racing a previous exit) must not share them.
dedicated_cfg="${dedicated_dir}/${target}.$$.conf"
dedicated_sh="${dedicated_dir}/${target}.$$.sh"
mkdir -p "${dedicated_dir}"
main_cfg="${HOME}/.config/alacritty/alacritty.toml"
# Alacritty loads config files in a way that doesn't allow terminal.shell to be
# overriden, so this doesn't work.
# cat > "${dedicated_cfg}" <<EOF
# # [general]
# # import = [
# # "${main_cfg}",
# # ]
# [terminal.shell]
# args = ["--login", "-ic", "${dedicated_sh}"]
# program = "/bin/zsh"
# [window]
# title = "${target}"
# dynamic_title = false
# EOF
awk -v r='terminal.shell,window' '
/^\[/ {
s = $0
gsub(/^\[|\]$/, "", s)
p = (index(","r",", ","s",") == 0)
}
p
' "${main_cfg}" > "${dedicated_cfg}"
cat >> "${dedicated_cfg}" <<EOF
[terminal.shell]
args = ["--login", "-ic", "${dedicated_sh}"]
program = "/bin/zsh"
[window]
title = "${target}"
dynamic_title = false
opacity = 0.96
# blur = true
decorations = "buttonless"
dynamic_padding = true
option_as_alt = "None"
EOF
cat > "$dedicated_sh" <<EOF
#!/bin/bash
cleanup() {
rm -f "${dedicated_cfg}"
rm -f "${dedicated_sh}"
}
trap cleanup EXIT INT TERM
mosh ${target} -- tmux new-session -As 0
EOF
chmod +x "$dedicated_sh"
open -n -a Alacritty --args --config-file "${dedicated_cfg}"
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