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fix(install): cover a non-login interactive bash

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~/.bashrc was only appended to when it already existed, so on an account without
one — a fresh container, a minimal image — `bash -i`, which is what most Linux
terminal emulators start, did not see the toolchain even though every other
shell did.

.bashrc is now created when missing. Unlike .bash_profile, whose existence stops
bash reading ~/.profile, a .bashrc that only sources the env file changes nothing
else about how bash starts.

Verified across zsh -i, zsh -c, bash -l, bash -i, sh -l and dash -l on a staged
HOME: all six resolve ludic, a second run writes nothing, and .bash_profile is
still never created.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-05 22:33:35 +03:00
parent a916fa5118
commit bfa763a55b
2 changed files with 15 additions and 3 deletions
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7
changes/bashrc-noninteractive.md Normal file
View file

@ -0,0 +1,7 @@
bump: patch
type: fix
The installer also covers a non-login interactive `bash` — the shell most Linux
terminal emulators start, which reads only `~/.bashrc`. That file is now created
when it is missing (its presence changes nothing else about how bash starts),
while `~/.bash_profile` is still only appended to when it already exists, since
creating that one would stop bash reading `~/.profile`.

11
install.sh
View file

@ -267,7 +267,7 @@ add_line() {
return 0
fi
mkdir -p "$(dirname "$_file")" 2>/dev/null || true
printf '\n# ludic\n%s\n' "$_line" >> "$_file" || {
printf '\n# ludic\n%s\n' "$_line" >> "$_file" 2>/dev/null || {
warn "could not write ${_file}"
return 0
}
@ -281,9 +281,14 @@ add_to_path() {
add_line "${HOME}/.profile" "$_posix"
add_line "${ZDOTDIR:-$HOME}/.zshenv" "$_posix"
# bash: only files that already exist, so we never shadow ~/.profile
# bash reads ~/.bashrc for a non-login interactive shell — what most Linux
# terminal emulators start — and it is safe to create, since its presence
# changes nothing else. ~/.bash_profile is only appended to when it already
# exists: creating that one would stop bash reading ~/.profile.
[ -f "${HOME}/.bash_profile" ] && add_line "${HOME}/.bash_profile" "$_posix"
[ -f "${HOME}/.bashrc" ] && add_line "${HOME}/.bashrc" "$_posix"
if [ -f "${HOME}/.bashrc" ] || have bash; then
add_line "${HOME}/.bashrc" "$_posix"
fi
if have fish || [ -f "${HOME}/.config/fish/config.fish" ]; then
add_line "${HOME}/.config/fish/config.fish" "source \"${INSTALL_DIR}/env.fish\""
fi