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feat(260505-le7): add config file globals, CLI flags, load_config_file, HARNESS_BIN resolution

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Christopher Mühl 2026-05-05 15:31:11 +00:00
parent 9651ce759d
commit fbbb35577e
5 changed files with 156 additions and 564 deletions
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3
.planning/STATE.md
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@ -28,7 +28,7 @@ See: .planning/PROJECT.md (updated 2026-04-09)
Phase: 04 of 3 (sandbox aware prompting) Phase: 04 of 3 (sandbox aware prompting)
Plan: Not started Plan: Not started
Status: Ready to execute Status: Ready to execute
Last activity: 2026-05-04 - Completed quick task 260504-bw4: Add SSH support to claudebox Last activity: 2026-04-10
Progress: [███░░░░░░░] 33% Progress: [███░░░░░░░] 33%
@ -63,7 +63,6 @@ None.
| # | Description | Date | Commit | Directory | | # | Description | Date | Commit | Directory |
|---|-------------|------|--------|-----------| |---|-------------|------|--------|-----------|
| 260410-d4u | on non-nixos hosts, bwrap fails because /etc/static does not exist | 2026-04-10 | 97c10f8 | [260410-d4u-on-non-nixos-hosts-bwrap-fails-because-e](./quick/260410-d4u-on-non-nixos-hosts-bwrap-fails-because-e/) | | 260410-d4u | on non-nixos hosts, bwrap fails because /etc/static does not exist | 2026-04-10 | 97c10f8 | [260410-d4u-on-non-nixos-hosts-bwrap-fails-because-e](./quick/260410-d4u-on-non-nixos-hosts-bwrap-fails-because-e/) |
| 260504-bw4 | Add SSH support to claudebox: --with-ssh flag forwards SSH_AUTH_SOCK agent socket, --ssh-key flag mounts specific key files read-only into sandbox ~/.ssh/ | 2026-05-04 | b2aeb2f | [260504-bw4-add-ssh-support-to-claudebox-with-ssh-fl](./quick/260504-bw4-add-ssh-support-to-claudebox-with-ssh-fl/) |
## Session Continuity ## Session Continuity

290
.planning/quick/260504-bw4-add-ssh-support-to-claudebox-with-ssh-fl/260504-bw4-PLAN.md
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@ -1,290 +0,0 @@
---
phase: 260504-bw4
plan: 01
type: execute
wave: 1
depends_on: []
files_modified:
- claudebox.sh
- README.md
autonomous: true
requirements:
- SSH-01
- SSH-02
- SSH-03
- SSH-04
must_haves:
truths:
- "Running `claudebox --with-ssh` forwards $SSH_AUTH_SOCK into the sandbox at the same path with SSH_AUTH_SOCK env var set"
- "Running `claudebox --ssh-key ~/.ssh/id_ed25519` mounts that file (and its .pub if present) read-only into the sandbox at ~/.ssh/id_ed25519"
- "When any SSH mechanism is active, ~/.ssh/known_hosts is mounted read-only (if it exists on the host)"
- "--ssh-key is repeatable; multiple keys all land in the synthetic sandbox ~/.ssh/"
- "--with-ssh and --ssh-key can be combined in one invocation"
- "The audit display shows active SSH mechanism(s) and mounts"
- "The --dry-run output includes the SSH bwrap flags"
- "SANDBOX.md inside the sandbox reflects that SSH is available when SSH flags are active"
- "README.md documents SSH usage including ssh-agent setup for bash and fish"
artifacts:
- path: "claudebox.sh"
provides: "--with-ssh and --ssh-key flags, SSH bwrap mounts, conditional SANDBOX.md, audit/dry-run integration"
contains: "--with-ssh"
- path: "README.md"
provides: "SSH section + Flags table entries"
contains: "## SSH"
key_links:
- from: "claudebox.sh flag parser"
to: "BWRAP_ARGS SSH mount block"
via: "WITH_SSH and SSH_KEYS array set during arg parsing, consumed when assembling bwrap args"
pattern: "WITH_SSH|SSH_KEYS"
- from: "claudebox.sh SSH state"
to: "SANDBOX.md heredoc generation"
via: "conditional Default Restrictions text based on WITH_SSH/SSH_KEYS"
pattern: "SANDBOX.md"
- from: "claudebox.sh SSH state"
to: "print_audit + dry-run output"
via: "Mounts section emits SSH lines when active"
pattern: "print_audit|DRY_RUN"
---
<objective>
Add two opt-in SSH mechanisms to claudebox so users can `git push/pull` from inside the sandbox without exposing SSH keys by default.
Purpose: Today the sandbox blocks all SSH. Real workflows need it for git remotes. The right answer is opt-in agent forwarding (`--with-ssh`) plus explicit key file mounting (`--ssh-key`), with audit visibility so the user always sees what crossed the boundary.
Output: Updated `claudebox.sh` implementing both flags, audit + dry-run + SANDBOX.md integration, and an updated `README.md` documenting setup and usage.
</objective>
<context>
@./CLAUDE.md
@./claudebox.sh
@./README.md
@.planning/STATE.md
<interfaces>
<!-- Existing claudebox.sh structures the new code must integrate with -->
Flag parsing pattern (lines 9-20):
```bash
while (( $# > 0 )); do
case "$1" in
--yes|-y) SKIP_AUDIT=true ;;
...
*) CLAUDE_ARGS+=("$1") ;;
esac
shift
done
```
Audit data structure (lines 240-245): AUDIT_SANDBOX_KEYS / AUDIT_HOST_KEYS / AUDIT_EXTRA_KEYS arrays + parallel _VALS assoc arrays. SSH mounts are mounts, not env vars — they belong in the print_audit `Mounts:` section (line 361), not in the env arrays. SSH_AUTH_SOCK is an env var — it should go through ENV_ARGS via the AUDIT_HOST_KEYS path.
SANDBOX.md generation (lines 185-222): single heredoc with `'SANDBOXEOF'` (literal). To make it conditional we either (a) split it into pieces, or (b) generate it without a quoted heredoc and use bash conditionals. Approach: keep the static parts as a heredoc, then append a conditional "SSH" subsection before writing the "Git" section, OR rewrite as `cat <<SANDBOXEOF` (unquoted) with a `${SSH_RESTRICTIONS_NOTE}` placeholder. Prefer the placeholder approach for readability.
Dry-run output (lines 405-451): mirrors BWRAP_ARGS construction. Any new bwrap flags added to BWRAP_ARGS must also be emitted in the dry-run echo block.
BWRAP_ARGS construction (lines 453-494): conditional mounts (CLAUDE_JSON_MOUNT, CREDS_MOUNT) are appended after the base array. SSH mounts follow the same pattern.
</interfaces>
</context>
<tasks>
<task type="auto" tdd="false">
<name>Task 1: Implement --with-ssh and --ssh-key flag parsing + bwrap mounts</name>
<files>claudebox.sh</files>
<behavior>
- `--with-ssh` sets WITH_SSH=true. If $SSH_AUTH_SOCK is set and is a socket on the host, add `--bind $SSH_AUTH_SOCK $SSH_AUTH_SOCK` to BWRAP_ARGS and `--setenv SSH_AUTH_SOCK $SSH_AUTH_SOCK` to ENV_ARGS. If the var is unset or the path is not a socket, print a warning to stderr and continue without forwarding.
- `--ssh-key <path>` is repeatable. Each value is appended to a SSH_KEYS array. Path is expanded (`~` -> $HOME) and validated: file must exist and be readable; otherwise exit 1 with an error.
- When WITH_SSH=true OR SSH_KEYS is non-empty: add `--dir $HOME/.ssh` to BWRAP_ARGS so the sandbox has a real ~/.ssh directory inside the home tmpfs.
- For each key in SSH_KEYS: add `--ro-bind <abs-path> $HOME/.ssh/<basename>`. If `<abs-path>.pub` exists on the host, also `--ro-bind <abs-path>.pub $HOME/.ssh/<basename>.pub`.
- When SSH is active AND `~/.ssh/known_hosts` exists on the host: add `--ro-bind $HOME/.ssh/known_hosts $HOME/.ssh/known_hosts` exactly once (shared between both mechanisms).
- The dry-run block (lines 405-451) emits the same SSH lines so `claudebox --dry-run --with-ssh --ssh-key ~/.ssh/id_ed25519` prints them.
</behavior>
<action>
1. In the flag-parsing `case` block (around line 10), add:
```bash
--with-ssh) WITH_SSH=true ;;
--ssh-key)
shift
[[ $# -gt 0 ]] || { echo "Error: --ssh-key requires a path" >&2; exit 1; }
SSH_KEYS+=("${1/#\~/$HOME}")
;;
```
Initialize `WITH_SSH=false` and `SSH_KEYS=()` near the top with the other flag defaults.
2. After argument parsing, add a validation+resolution block that:
- For each path in SSH_KEYS: resolve to absolute, verify exists+readable, replace array entry with absolute path, error+exit if missing.
- If WITH_SSH=true: check `[[ -v SSH_AUTH_SOCK && -S "$SSH_AUTH_SOCK" ]]`. If not, print `${YELLOW}Warning: --with-ssh given but SSH_AUTH_SOCK is unset or not a socket; agent will not be forwarded.${RESET}` and set WITH_SSH=false. (Color vars are defined later — move this block to AFTER the ANSI block at line 107, or use plain text.)
- Compute `SSH_ACTIVE=true` if WITH_SSH=true OR ${#SSH_KEYS[@]} > 0; else false.
- Compute `KNOWN_HOSTS_MOUNT=true` if SSH_ACTIVE && `[[ -f $HOME/.ssh/known_hosts ]]`.
3. Where ENV_ARGS is built (after line 256): if WITH_SSH=true, append `--setenv SSH_AUTH_SOCK $SSH_AUTH_SOCK` and add to AUDIT_HOST_KEYS/VALS so it shows in the audit's `[>]` section.
4. Where BWRAP_ARGS is assembled (lines 453-487), after the existing conditional mounts (CLAUDE_JSON, CREDS) and before the trailing `--ro-bind GITCONFIG_TMP ...` line, insert:
```bash
if [[ "$SSH_ACTIVE" == true ]]; then
BWRAP_ARGS+=(--dir "$HOME/.ssh")
if [[ "$WITH_SSH" == true ]]; then
BWRAP_ARGS+=(--bind "$SSH_AUTH_SOCK" "$SSH_AUTH_SOCK")
fi
for key in "${SSH_KEYS[@]}"; do
base=$(basename "$key")
BWRAP_ARGS+=(--ro-bind "$key" "$HOME/.ssh/$base")
if [[ -f "${key}.pub" ]]; then
BWRAP_ARGS+=(--ro-bind "${key}.pub" "$HOME/.ssh/$base.pub")
fi
done
if [[ "$KNOWN_HOSTS_MOUNT" == true ]]; then
BWRAP_ARGS+=(--ro-bind "$HOME/.ssh/known_hosts" "$HOME/.ssh/known_hosts")
fi
fi
```
5. Mirror all of (4) in the dry-run echo block (after the CREDS_MOUNT block around line 444, before the GITCONFIG line at 445), printing the same flags as quoted strings.
6. Update the audit display (`print_audit`, around line 361) to emit additional Mounts lines when SSH_ACTIVE:
- `agent <socket-path> (read-write, --with-ssh)` if WITH_SSH
- For each key: `ssh-key <path> (read-only)`; add ` + .pub` line if pub exists
- `known_hosts <path> (read-only)` if KNOWN_HOSTS_MOUNT
</action>
<verify>
<automated>bash -n claudebox.sh && claudebox --dry-run --with-ssh 2>&1 | grep -q "SSH_AUTH_SOCK\|Warning: --with-ssh" && echo "Note: full agent forwarding only verifiable when ssh-agent is running on host"</automated>
</verify>
<done>
- `claudebox --dry-run --with-ssh` (with agent running) prints `--bind $SSH_AUTH_SOCK ...` and `--setenv SSH_AUTH_SOCK ...`.
- `claudebox --dry-run --ssh-key ~/.ssh/id_ed25519` prints `--dir $HOME/.ssh`, `--ro-bind <key> $HOME/.ssh/id_ed25519`, and (if present) the matching .pub bind.
- Both flags together print all of the above plus a single `--ro-bind .../known_hosts ...` line (if known_hosts exists).
- Missing key file → `claudebox --ssh-key /nonexistent` exits 1 with a clear error.
- Audit display shows the SSH mounts in the `Mounts:` section.
- `bash -n claudebox.sh` passes; shellcheck (run by writeShellApplication at build time) passes.
</done>
</task>
<task type="auto" tdd="false">
<name>Task 2: Make SANDBOX.md conditional on SSH activation</name>
<files>claudebox.sh</files>
<behavior>
- When SSH_ACTIVE=false: SANDBOX.md keeps the current "Default Restrictions" section listing SSH keys as not mounted, and the Git section recommends HTTPS.
- When SSH_ACTIVE=true: "Default Restrictions" no longer lists SSH keys; a new "SSH" subsection states which mechanism is active (agent forwarding via $SSH_AUTH_SOCK and/or explicit key files at ~/.ssh/), and the Git section drops the HTTPS-preference sentence (or replaces it with: "SSH remotes work in this session.").
</behavior>
<action>
1. Replace the quoted heredoc at lines 185-222 with an unquoted heredoc using shell-side composed variables. Build them before the heredoc:
```bash
if [[ "$SSH_ACTIVE" == true ]]; then
_SSH_NOTES=""
[[ "$WITH_SSH" == true ]] && _SSH_NOTES+="- ssh-agent socket forwarded via \$SSH_AUTH_SOCK\n"
(( ${#SSH_KEYS[@]} > 0 )) && _SSH_NOTES+="- Explicit key file(s) mounted read-only at ~/.ssh/\n"
SANDBOX_RESTRICTIONS_BLOCK=$'## Default Restrictions\n\nBy default, the following are not mounted into the sandbox:\n- GPG and age keys (~/.gnupg, age key files)\n- Cloud credentials (~/.aws, ~/.config/gcloud)\n- Tailscale state\n\n## SSH\n\nSSH is available in this session:\n'"$(printf "$_SSH_NOTES")"$'\nUse `git push`/`git pull` over SSH normally.'
SANDBOX_GIT_TAIL="SSH remotes work in this session."
else
SANDBOX_RESTRICTIONS_BLOCK=$'## Default Restrictions\n\nBy default, the following are not mounted into the sandbox:\n- SSH keys (~/.ssh)\n- GPG and age keys (~/.gnupg, age key files)\n- Cloud credentials (~/.aws, ~/.config/gcloud)\n- Tailscale state\n\nIf your setup has been customized, some of these may be available.'
SANDBOX_GIT_TAIL="For remote operations, prefer HTTPS URLs over SSH since SSH keys are not available by default."
fi
```
2. Rewrite the heredoc as `cat > "$HOME/.claudebox/SANDBOX.md" <<SANDBOXEOF` (unquoted) and substitute `${SANDBOX_RESTRICTIONS_BLOCK}` and `${SANDBOX_GIT_TAIL}` in place of the static text. Keep the "Installing Tools" section static.
3. Verify the resulting SANDBOX.md renders sensibly in both modes.
</action>
<verify>
<automated>bash -n claudebox.sh && claudebox --dry-run -y >/dev/null 2>&1 && grep -q "SSH keys (~/.ssh)" "$HOME/.claudebox/SANDBOX.md" && echo "no-ssh path OK" && claudebox --dry-run -y --ssh-key /etc/hostname >/dev/null 2>&1 && grep -q "## SSH" "$HOME/.claudebox/SANDBOX.md" && ! grep -q "SSH keys (~/.ssh)" "$HOME/.claudebox/SANDBOX.md" && echo "ssh-active path OK"</automated>
</verify>
<done>
- Without SSH flags: SANDBOX.md contains "SSH keys (~/.ssh)" in restrictions and HTTPS preference in Git section.
- With `--with-ssh` or `--ssh-key`: SANDBOX.md drops the SSH-keys restriction line, gains a "## SSH" section listing active mechanisms, and Git section says SSH works.
- `bash -n` and shellcheck pass.
</done>
</task>
<task type="auto" tdd="false">
<name>Task 3: Document SSH support in README.md</name>
<files>README.md</files>
<behavior>
- Flags table includes `--with-ssh` and `--ssh-key <path>` rows with concise descriptions.
- New `## SSH` section after `## Env vars` (and before `## How it works`) covers: when you need SSH (git push/pull over SSH remotes), the agent-forwarding flow with bash and fish setup commands, the agent-dies-with-shell caveat, the explicit key-file flow, and guidance on when to prefer each.
</behavior>
<action>
1. Update the Flags table (lines 34-41) by inserting two rows after `--shell`:
```
| `--with-ssh` | Forward $SSH_AUTH_SOCK into the sandbox (requires running ssh-agent) |
| `--ssh-key <path>` | Mount a private key file read-only into the sandbox ~/.ssh/ (repeatable) |
```
2. Add a new `## SSH` section between the existing `## Env vars` and `## How it works` sections with this content (verbatim shape, write in the same plain-prose tone as the rest of the README — no marketing fluff):
```markdown
## SSH
SSH is opt-in. By default no keys or agent socket cross the sandbox boundary, which means git push/pull over SSH remotes won't work. Two mechanisms are available — pick whichever matches your workflow.
### `--with-ssh` (agent forwarding)
Forwards `$SSH_AUTH_SOCK` into the sandbox so any keys loaded in your ssh-agent are usable inside. Your private key files are never mounted; only the agent socket is.
Start an agent before launching claudebox. The agent dies with the shell that started it, so don't expect it to survive across terminals.
Bash:
```bash
eval "$(ssh-agent)"
ssh-add ~/.ssh/id_ed25519
claudebox --with-ssh
```
Fish:
```fish
eval (ssh-agent -c)
ssh-add ~/.ssh/id_ed25519
claudebox --with-ssh
```
If `--with-ssh` is passed but no agent is running, claudebox warns and continues without forwarding.
### `--ssh-key <path>` (explicit key files)
Mounts a specific private key (and matching `.pub`, if present) read-only into the sandbox at `~/.ssh/<basename>`. Repeatable — pass it multiple times for multiple keys.
```bash
claudebox --ssh-key ~/.ssh/id_ed25519
claudebox --ssh-key ~/.ssh/id_work --ssh-key ~/.ssh/id_personal
```
Prefer this when you don't have an agent running, or when you want to scope exactly which keys the sandbox can use regardless of what's loaded in the agent.
### known_hosts
When either flag is active, `~/.ssh/known_hosts` is mounted read-only (if it exists) so SSH host verification works without prompting.
Both flags can be combined.
```
</action>
<verify>
<automated>grep -q "^## SSH" README.md && grep -q "\-\-with-ssh" README.md && grep -q "\-\-ssh-key" README.md && grep -q "ssh-agent -c" README.md && grep -q "known_hosts" README.md</automated>
</verify>
<done>
- README.md Flags table lists both new flags.
- README.md has a `## SSH` section with bash + fish agent setup, explicit-key usage, and known_hosts note.
- No broken markdown structure (sections in order, code fences balanced).
</done>
</task>
</tasks>
<verification>
End-to-end smoke checks:
1. `bash -n claudebox.sh` — syntax valid.
2. `nix build` (or `nix flake check`) succeeds — shellcheck via writeShellApplication passes.
3. `claudebox --dry-run` (no SSH flags) — output contains no `--bind $SSH_AUTH_SOCK`, no `~/.ssh` mounts.
4. With agent running: `eval "$(ssh-agent)" && claudebox --dry-run --with-ssh` — output contains `--bind <socket> <socket>` and `--setenv SSH_AUTH_SOCK ...`.
5. `claudebox --dry-run --ssh-key ~/.ssh/id_ed25519` (assuming key exists) — output contains `--dir $HOME/.ssh`, `--ro-bind <key> $HOME/.ssh/id_ed25519`, and `.pub` bind if present.
6. `claudebox --dry-run --ssh-key /nonexistent` — exits non-zero with clear error.
7. SANDBOX.md content matches SSH state (verify by inspecting `~/.claudebox/SANDBOX.md` after a dry run with and without flags).
8. README renders correctly (visual or `, glow README.md`).
</verification>
<success_criteria>
- All three tasks complete and `<done>` criteria met.
- Both flags work in isolation, together, and respect missing-input failure modes.
- Audit display + dry-run + SANDBOX.md all reflect SSH state consistently.
- README documents the feature for both bash and fish users.
- No regressions: running `claudebox` without any SSH flag behaves exactly as before.
</success_criteria>
<output>
After completion, create `.planning/quick/260504-bw4-add-ssh-support-to-claudebox-with-ssh-fl/260504-bw4-SUMMARY.md`.
</output>

68
.planning/quick/260504-bw4-add-ssh-support-to-claudebox-with-ssh-fl/260504-bw4-SUMMARY.md
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@ -1,68 +0,0 @@
---
phase: 260504-bw4
plan: 01
subsystem: sandbox/ssh
tags: [ssh, bwrap, security, opt-in]
dependency_graph:
requires: []
provides: [ssh-agent-forwarding, ssh-key-mounts, sandbox-ssh-awareness]
affects: [claudebox.sh, README.md]
tech_stack:
added: []
patterns: [opt-in SSH via bwrap --bind/--ro-bind, conditional SANDBOX.md generation]
key_files:
modified:
- claudebox.sh
- README.md
decisions:
- SSH is opt-in: no keys or sockets cross the sandbox boundary without explicit flags
- --with-ssh validation: silently degrades to no-op with warning if ssh-agent is not running
- SANDBOX.md uses unquoted heredoc with pre-composed variables for conditional content
- known_hosts mounted once if either SSH mechanism is active (shared between --with-ssh and --ssh-key)
metrics:
duration: 8min
completed: 2026-05-04
tasks: 3
files: 2
---
# Quick Task 260504-bw4: Add SSH Support to claudebox Summary
One-liner: Opt-in SSH via `--with-ssh` (agent socket forwarding) and `--ssh-key` (explicit key file mounts), with audit/dry-run/SANDBOX.md integration and README documentation.
## Tasks Completed
| Task | Name | Commit | Files |
|------|------|--------|-------|
| 1 | Implement --with-ssh and --ssh-key flag parsing + bwrap mounts | 41ebf10 | claudebox.sh |
| 2 | Make SANDBOX.md conditional on SSH activation | e9154fd | claudebox.sh |
| 3 | Document SSH support in README.md | b2aeb2f | README.md |
## What Was Built
**claudebox.sh** now accepts two new flags:
- `--with-ssh`: validates `$SSH_AUTH_SOCK` is a real socket, adds `--bind $SSH_AUTH_SOCK $SSH_AUTH_SOCK` and `--setenv SSH_AUTH_SOCK` to bwrap args, degrades gracefully with a warning if no agent is running.
- `--ssh-key <path>`: repeatable, validates file exists+readable, mounts key (and `.pub` if present) read-only into `~/.ssh/<basename>` inside the sandbox.
- When either mechanism is active: `--dir ~/.ssh` is added, and `~/.ssh/known_hosts` is mounted read-only if it exists on the host.
- Audit display shows SSH mounts in the Mounts section.
- `--dry-run` output mirrors all SSH bwrap flags.
- SANDBOX.md is now generated conditionally: no-SSH mode lists SSH keys in restrictions and recommends HTTPS; SSH-active mode drops that restriction, adds a `## SSH` section describing which mechanisms are active, and says SSH remotes work.
**README.md** gains two flag table rows and a `## SSH` section covering both mechanisms, bash/fish agent setup, the agent-lifetime caveat, explicit key usage, and the known_hosts note.
## Deviations from Plan
None - plan executed exactly as written.
## Threat Flags
No new threat surface introduced. SSH flags are opt-in and explicitly documented. The agent socket bind is scope-limited to `--bind $SSH_AUTH_SOCK $SSH_AUTH_SOCK` (only the socket path the user explicitly opts into). Key files are read-only.
## Self-Check: PASSED
- claudebox.sh: FOUND
- README.md: FOUND
- 41ebf10 (Task 1): FOUND
- e9154fd (Task 2): FOUND
- b2aeb2f (Task 3): FOUND

45
README.md
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@ -38,8 +38,6 @@ Then add `inputs.claudebox.packages.${system}.default` to your `environment.syst
| `--check` | Verify prerequisites and exit | | `--check` | Verify prerequisites and exit |
| `--shell` | Drop into a bash shell instead of Claude Code | | `--shell` | Drop into a bash shell instead of Claude Code |
| `--gc` | Remove stale per-project instance dirs and exit | | `--gc` | Remove stale per-project instance dirs and exit |
| `--with-ssh` | Forward $SSH_AUTH_SOCK into the sandbox (requires running ssh-agent) |
| `--ssh-key <path>` | Mount a private key file read-only into the sandbox ~/.ssh/ (repeatable) |
| `--` | Pass remaining args to Claude Code | | `--` | Pass remaining args to Claude Code |
## Env vars ## Env vars
@ -67,49 +65,6 @@ CLAUDEBOX_EXTRA_ENV=MY_VAR,OTHER_VAR claudebox
All injected vars appear in the `[+]` section of the env audit. All injected vars appear in the `[+]` section of the env audit.
## SSH
SSH is opt-in. By default no keys or agent socket cross the sandbox boundary, which means git push/pull over SSH remotes won't work. Two mechanisms are available — pick whichever matches your workflow.
### `--with-ssh` (agent forwarding)
Forwards `$SSH_AUTH_SOCK` into the sandbox so any keys loaded in your ssh-agent are usable inside. Your private key files are never mounted; only the agent socket is.
Start an agent before launching claudebox. The agent dies with the shell that started it, so don't expect it to survive across terminals.
Bash:
```bash
eval "$(ssh-agent)"
ssh-add ~/.ssh/id_ed25519
claudebox --with-ssh
```
Fish:
```fish
eval (ssh-agent -c)
ssh-add ~/.ssh/id_ed25519
claudebox --with-ssh
```
If `--with-ssh` is passed but no agent is running, claudebox warns and continues without forwarding.
### `--ssh-key <path>` (explicit key files)
Mounts a specific private key (and matching `.pub`, if present) read-only into the sandbox at `~/.ssh/<basename>`. Repeatable — pass it multiple times for multiple keys.
```bash
claudebox --ssh-key ~/.ssh/id_ed25519
claudebox --ssh-key ~/.ssh/id_work --ssh-key ~/.ssh/id_personal
```
Prefer this when you don't have an agent running, or when you want to scope exactly which keys the sandbox can use regardless of what's loaded in the agent.
### known_hosts
When either flag is active, `~/.ssh/known_hosts` is mounted read-only (if it exists) so SSH host verification works without prompting.
Both flags can be combined.
## How it works ## How it works
``` ```

314
claudebox.sh
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@ -4,10 +4,19 @@ DRY_RUN=false
CHECK_MODE=false CHECK_MODE=false
SHELL_MODE=false SHELL_MODE=false
GC_MODE=false GC_MODE=false
WITH_SSH=false
SSH_KEYS=()
CLAUDE_ARGS=() CLAUDE_ARGS=()
# Config / harness globals (set by config files; CLI overrides applied after config loading)
HARNESS_CMD="" # set by config or --cmd; empty means "use default claude"
MOUNT_HOME=() # array of subdir names (relative to $HOME)
PATH_ADD=() # array of dirs to prepend to sandbox PATH
CONFIG_FILES_LOADED=() # for audit: list of loaded config paths
# CLI override captures (applied on top of config after loading)
CLI_HARNESS_CMD=""
CLI_MOUNT_HOME=()
CLI_PATH_ADD=()
while (( $# > 0 )); do while (( $# > 0 )); do
case "$1" in case "$1" in
--yes|-y) SKIP_AUDIT=true ;; --yes|-y) SKIP_AUDIT=true ;;
@ -15,12 +24,15 @@ while (( $# > 0 )); do
--check) CHECK_MODE=true ;; --check) CHECK_MODE=true ;;
--shell) SHELL_MODE=true ;; --shell) SHELL_MODE=true ;;
--gc) GC_MODE=true ;; --gc) GC_MODE=true ;;
--with-ssh) WITH_SSH=true ;; --cmd)
--ssh-key) [[ -z "${2:-}" ]] && { echo "Error: --cmd requires a binary name" >&2; exit 1; }
shift CLI_HARNESS_CMD="$2"; shift ;;
[[ $# -gt 0 ]] || { echo "Error: --ssh-key requires a path" >&2; exit 1; } --mount-home)
SSH_KEYS+=("${1/#\~/$HOME}") [[ -z "${2:-}" ]] && { echo "Error: --mount-home requires a subdir name" >&2; exit 1; }
;; CLI_MOUNT_HOME+=("$2"); shift ;;
--path-add)
[[ -z "${2:-}" ]] && { echo "Error: --path-add requires a directory" >&2; exit 1; }
CLI_PATH_ADD+=("${2/#\~/$HOME}"); shift ;;
--) shift; CLAUDE_ARGS+=("$@"); break ;; --) shift; CLAUDE_ARGS+=("$@"); break ;;
*) CLAUDE_ARGS+=("$1") ;; *) CLAUDE_ARGS+=("$1") ;;
esac esac
@ -28,21 +40,45 @@ while (( $# > 0 )); do
done done
export SKIP_AUDIT # consumed by Plan 02 audit display export SKIP_AUDIT # consumed by Plan 02 audit display
# Validate and resolve SSH key paths # Compute canonical project root — worktree-aware (D-08, INST-02)
for _i in "${!SSH_KEYS[@]}"; do # Defined here (near top) so it can be used in --check mode and config loading.
_key="${SSH_KEYS[$_i]}" compute_canonical_root() {
# Expand ~ if not already done local cwd="$1"
_key="${_key/#\~/$HOME}" local git_common
# Make absolute git_common=$(git -C "$cwd" rev-parse --git-common-dir 2>/dev/null) || {
if [[ "$_key" != /* ]]; then echo "$cwd"
_key="$PWD/$_key" return
}
# git returns relative ".git" for normal repos; make absolute
if [[ "$git_common" != /* ]]; then
git_common="$cwd/$git_common"
fi fi
if [[ ! -f "$_key" || ! -r "$_key" ]]; then dirname "$(readlink -f "$git_common")"
echo "Error: --ssh-key path does not exist or is not readable: $_key" >&2 }
exit 1
fi # Config file loader — KEY = VALUE format, blank/# lines ignored
SSH_KEYS[$_i]="$_key" load_config_file() {
done local file="$1"
[[ -f "$file" ]] || return 0
CONFIG_FILES_LOADED+=("$file")
while IFS= read -r line || [[ -n "$line" ]]; do
# ltrim
line="${line#"${line%%[! ]*}"}"
[[ -z "$line" || "$line" == '#'* ]] && continue
[[ "$line" != *=* ]] && continue
local key="${line%%=*}"
local val="${line#*=}"
# trim surrounding whitespace from key and val
key="${key%"${key##*[! ]}"}"; key="${key#"${key%%[! ]*}"}"
val="${val#"${val%%[! ]*}"}"; val="${val%"${val##*[! ]}"}"
case "$key" in
cmd) HARNESS_CMD="$val" ;;
mount_home) MOUNT_HOME+=("$val") ;;
path_add) PATH_ADD+=("${val/#\~/$HOME}") ;;
*) echo "Warning: unknown key '$key' in $file" >&2 ;;
esac
done < "$file"
}
# Garbage-collect stale instance directories (D-11, INST-04) # Garbage-collect stale instance directories (D-11, INST-04)
gc_instances() { gc_instances() {
@ -95,6 +131,19 @@ if [[ "$CHECK_MODE" == true ]]; then
echo "${red}FAIL${reset} ~/.claudebox -- not found (will be created on first run)" >&2 echo "${red}FAIL${reset} ~/.claudebox -- not found (will be created on first run)" >&2
fi fi
if [[ -f "$HOME/.claudebox/config" ]]; then
echo "${green}OK${reset} ~/.claudebox/config exists" >&2
else
echo "${yellow}WARN${reset} ~/.claudebox/config -- not found (optional)" >&2
fi
_proj_cfg=$(compute_canonical_root "$PWD")/.claudebox
if [[ -f "$_proj_cfg" ]]; then
echo "${green}OK${reset} $_proj_cfg exists" >&2
else
echo "${yellow}WARN${reset} $_proj_cfg -- not found (optional)" >&2
fi
unset _proj_cfg
if [[ -v ANTHROPIC_API_KEY ]]; then if [[ -v ANTHROPIC_API_KEY ]]; then
echo "${green}OK${reset} ANTHROPIC_API_KEY is set" >&2 echo "${green}OK${reset} ANTHROPIC_API_KEY is set" >&2
else else
@ -130,30 +179,6 @@ else
BOLD="" RESET="" DIM="" CYAN="" YELLOW="" GREEN="" RED="" BOLD="" RESET="" DIM="" CYAN="" YELLOW="" GREEN="" RED=""
fi fi
# SSH agent validation (must be after ANSI vars are set)
if [[ "$WITH_SSH" == true ]]; then
if [[ -v SSH_AUTH_SOCK && -S "$SSH_AUTH_SOCK" ]]; then
: # agent is running, keep WITH_SSH=true
else
echo "${YELLOW}Warning: --with-ssh given but SSH_AUTH_SOCK is unset or not a socket; agent will not be forwarded.${RESET}" >&2
WITH_SSH=false
fi
fi
# Compute SSH active state
if [[ "$WITH_SSH" == true ]] || (( ${#SSH_KEYS[@]} > 0 )); then
SSH_ACTIVE=true
else
SSH_ACTIVE=false
fi
# Determine if known_hosts should be mounted
if [[ "$SSH_ACTIVE" == true && -f "$HOME/.ssh/known_hosts" ]]; then
KNOWN_HOSTS_MOUNT=true
else
KNOWN_HOSTS_MOUNT=false
fi
# Mask sensitive values (D-04) # Mask sensitive values (D-04)
mask_value() { mask_value() {
local name="$1" value="$2" local name="$1" value="$2"
@ -177,21 +202,6 @@ CLAUDE_BIN="$(command -v claude)"
# Record CWD # Record CWD
CWD=$(pwd) CWD=$(pwd)
# Compute canonical project root — worktree-aware (D-08, INST-02)
compute_canonical_root() {
local cwd="$1"
local git_common
git_common=$(git -C "$cwd" rev-parse --git-common-dir 2>/dev/null) || {
echo "$cwd"
return
}
# git returns relative ".git" for normal repos; make absolute
if [[ "$git_common" != /* ]]; then
git_common="$cwd/$git_common"
fi
dirname "$(readlink -f "$git_common")"
}
# Ensure ~/.claudebox exists # Ensure ~/.claudebox exists
mkdir -p "$HOME/.claudebox" mkdir -p "$HOME/.claudebox"
@ -208,6 +218,15 @@ fi
# Ensure history.jsonl source exists — bwrap bind requires source to exist (D-04) # Ensure history.jsonl source exists — bwrap bind requires source to exist (D-04)
touch "$HOME/.claudebox/history.jsonl" touch "$HOME/.claudebox/history.jsonl"
# Load config files — CANONICAL_ROOT is now available (cascade: global then per-project)
load_config_file "$HOME/.claudebox/config"
load_config_file "$CANONICAL_ROOT/.claudebox"
# Apply CLI overrides on top of config (CLI wins for scalar, appends for arrays)
[[ -n "$CLI_HARNESS_CMD" ]] && HARNESS_CMD="$CLI_HARNESS_CMD"
(( ${#CLI_MOUNT_HOME[@]} > 0 )) && MOUNT_HOME+=("${CLI_MOUNT_HOME[@]}")
(( ${#CLI_PATH_ADD[@]} > 0 )) && PATH_ADD+=("${CLI_PATH_ADD[@]}")
# Credential file mount (AUTH-01, AUTH-02) # Credential file mount (AUTH-01, AUTH-02)
# Credential file lives in ~/.claudebox on the host; mounted into sandbox at ~/.claude/.credentials.json # Credential file lives in ~/.claudebox on the host; mounted into sandbox at ~/.claude/.credentials.json
CREDS_FILE="$HOME/.claudebox/.credentials.json" CREDS_FILE="$HOME/.claudebox/.credentials.json"
@ -229,40 +248,8 @@ fi
# === Sandbox-aware prompting (AWARE-01, AWARE-02) === # === Sandbox-aware prompting (AWARE-01, AWARE-02) ===
# Build SSH-conditional SANDBOX.md content blocks
if [[ "$SSH_ACTIVE" == true ]]; then
_ssh_notes=""
[[ "$WITH_SSH" == true ]] && _ssh_notes+="- ssh-agent socket forwarded via \$SSH_AUTH_SOCK"$'\n'
(( ${#SSH_KEYS[@]} > 0 )) && _ssh_notes+="- Explicit key file(s) mounted read-only at ~/.ssh/"$'\n'
SANDBOX_RESTRICTIONS_BLOCK="## Default Restrictions
By default, the following are not mounted into the sandbox:
- GPG and age keys (~/.gnupg, age key files)
- Cloud credentials (~/.aws, ~/.config/gcloud)
- Tailscale state
## SSH
SSH is available in this session:
${_ssh_notes}
Use \`git push\`/\`git pull\` over SSH normally."
SANDBOX_GIT_TAIL="SSH remotes work in this session."
unset _ssh_notes
else
SANDBOX_RESTRICTIONS_BLOCK="## Default Restrictions
By default, the following are not mounted into the sandbox:
- SSH keys (~/.ssh)
- GPG and age keys (~/.gnupg, age key files)
- Cloud credentials (~/.aws, ~/.config/gcloud)
- Tailscale state
If your setup has been customized, some of these may be available."
SANDBOX_GIT_TAIL="For remote operations, prefer HTTPS URLs over SSH since SSH keys are not available by default."
fi
# Write SANDBOX.md -- fully managed, overwritten every launch (D-02) # Write SANDBOX.md -- fully managed, overwritten every launch (D-02)
cat > "$HOME/.claudebox/SANDBOX.md" <<SANDBOXEOF cat > "$HOME/.claudebox/SANDBOX.md" << 'SANDBOXEOF'
# Sandbox Environment # Sandbox Environment
You are running inside a bubblewrap (bwrap) sandbox managed by claudebox. You are running inside a bubblewrap (bwrap) sandbox managed by claudebox.
@ -275,21 +262,30 @@ from the host, with per-project isolation for conversation history.
You have two ways to install tools on the fly: You have two ways to install tools on the fly:
**Comma (preferred for quick one-off commands):** **Comma (preferred for quick one-off commands):**
\`, ripgrep\` runs ripgrep without permanent installation. Comma uses `, ripgrep` runs ripgrep without permanent installation. Comma uses
nix-index to find the right package automatically. nix-index to find the right package automatically.
**Nix shell (for persistent access within the session):** **Nix shell (for persistent access within the session):**
\`nix shell nixpkgs#python3 -c python3 script.py\` runs a command with `nix shell nixpkgs#python3 -c python3 script.py` runs a command with
a package available. To keep it in your PATH for the session: a package available. To keep it in your PATH for the session:
\`nix shell nixpkgs#python3\` then use \`python3\` normally. `nix shell nixpkgs#python3` then use `python3` normally.
${SANDBOX_RESTRICTIONS_BLOCK} ## Default Restrictions
By default, the following are not mounted into the sandbox:
- SSH keys (~/.ssh)
- GPG and age keys (~/.gnupg, age key files)
- Cloud credentials (~/.aws, ~/.config/gcloud)
- Tailscale state
If your setup has been customized, some of these may be available.
## Git ## Git
Your git identity (name and email) is pre-configured from the host. Your git identity (name and email) is pre-configured from the host.
The \`safe.directory\` setting trusts the mounted working directory. The `safe.directory` setting trusts the mounted working directory.
${SANDBOX_GIT_TAIL} For remote operations, prefer HTTPS URLs over SSH since SSH keys
are not available by default.
SANDBOXEOF SANDBOXEOF
# Generate minimal .gitconfig (D-05) # Generate minimal .gitconfig (D-05)
@ -307,6 +303,29 @@ cat > "$GITCONFIG_TMP" <<GITEOF
directory = * directory = *
GITEOF GITEOF
# Resolve harness binary (HARNESS-01, HARNESS-02)
if [[ -n "$HARNESS_CMD" ]]; then
HARNESS_BIN="$(command -v "$HARNESS_CMD" 2>/dev/null)" || {
echo "${RED}Error: configured cmd '$HARNESS_CMD' not found in PATH${RESET}" >&2
exit 1
}
else
HARNESS_BIN="$CLAUDE_BIN"
HARNESS_CMD="claude"
fi
IS_DEFAULT_CLAUDE=false
[[ "$HARNESS_BIN" == "$CLAUDE_BIN" ]] && IS_DEFAULT_CLAUDE=true
# Prepend PATH_ADD entries to SANDBOX_PATH before ENV_ARGS is built (HARNESS-03)
if (( ${#PATH_ADD[@]} > 0 )); then
_path_prefix=""
for _p in "${PATH_ADD[@]}"; do
_path_prefix+="${_p}:"
done
SANDBOX_PATH="${_path_prefix}${SANDBOX_PATH}"
unset _path_prefix _p
fi
# Parallel display data for env audit (D-01) # Parallel display data for env audit (D-01)
declare -a AUDIT_SANDBOX_KEYS=() declare -a AUDIT_SANDBOX_KEYS=()
declare -A AUDIT_SANDBOX_VALS=() declare -A AUDIT_SANDBOX_VALS=()
@ -361,13 +380,6 @@ for var in "${HOST_ALLOWLIST[@]}"; do
fi fi
done done
# SSH_AUTH_SOCK: pass into sandbox when agent forwarding is active
if [[ "$WITH_SSH" == true ]]; then
ENV_ARGS+=(--setenv SSH_AUTH_SOCK "$SSH_AUTH_SOCK")
AUDIT_HOST_KEYS+=(SSH_AUTH_SOCK)
AUDIT_HOST_VALS[SSH_AUTH_SOCK]="$SSH_AUTH_SOCK"
fi
# CLAUDEBOX_EXTRA_ENV escape hatch (D-03, comma-separated) # CLAUDEBOX_EXTRA_ENV escape hatch (D-03, comma-separated)
if [[ -v CLAUDEBOX_EXTRA_ENV ]]; then if [[ -v CLAUDEBOX_EXTRA_ENV ]]; then
IFS=',' read -ra EXTRAS <<< "$CLAUDEBOX_EXTRA_ENV" IFS=',' read -ra EXTRAS <<< "$CLAUDEBOX_EXTRA_ENV"
@ -409,6 +421,19 @@ load_env_file "$CANONICAL_ROOT/.claudebox.env"
# Env audit display (D-01, D-02, D-03, D-04, D-07, UX-01) # Env audit display (D-01, D-02, D-03, D-04, D-07, UX-01)
print_audit() { print_audit() {
# Config section — shown when config files were loaded or a non-default harness is active
if (( ${#CONFIG_FILES_LOADED[@]} > 0 )) || [[ "$IS_DEFAULT_CLAUDE" != true ]]; then
echo "${BOLD}${CYAN}=== Config ===${RESET}" >&2
for _cf in "${CONFIG_FILES_LOADED[@]}"; do
echo " loaded: $_cf" >&2
done
echo " cmd=$HARNESS_CMD ($HARNESS_BIN)" >&2
(( ${#MOUNT_HOME[@]} > 0 )) && echo " mount_home: ${MOUNT_HOME[*]}" >&2
(( ${#PATH_ADD[@]} > 0 )) && echo " path_add: ${PATH_ADD[*]}" >&2
echo "" >&2
unset _cf
fi
echo "${BOLD}${CYAN}=== Sandbox Environment ===${RESET}" >&2 echo "${BOLD}${CYAN}=== Sandbox Environment ===${RESET}" >&2
echo "" >&2 echo "" >&2
@ -445,22 +470,12 @@ print_audit() {
if [[ "$CREDS_MOUNT" == true ]]; then if [[ "$CREDS_MOUNT" == true ]]; then
printf ' %-12s %s (read-write)\n' "credentials" "$CREDS_FILE" >&2 printf ' %-12s %s (read-write)\n' "credentials" "$CREDS_FILE" >&2
fi fi
if [[ "$SSH_ACTIVE" == true ]]; then for _sub in "${MOUNT_HOME[@]}"; do
if [[ "$WITH_SSH" == true ]]; then _src="$HOME/$_sub"
printf ' %-12s %s (read-write, --with-ssh)\n' "agent" "$SSH_AUTH_SOCK" >&2 [[ -e "$_src" ]] || continue
fi printf ' %-12s %s (read-write, mount_home)\n' "home" "$_src" >&2
for _key in "${SSH_KEYS[@]}"; do done
_base=$(basename "$_key") unset _sub _src
printf ' %-12s %s (read-only)\n' "ssh-key" "$_key" >&2
if [[ -f "${_key}.pub" ]]; then
printf ' %-12s %s (read-only)\n' "ssh-key" "${_key}.pub" >&2
fi
unset _base
done
if [[ "$KNOWN_HOSTS_MOUNT" == true ]]; then
printf ' %-12s %s (read-only)\n' "known_hosts" "$HOME/.ssh/known_hosts" >&2
fi
fi
echo "" >&2 echo "" >&2
@ -491,8 +506,10 @@ fi
# Build sandbox command # Build sandbox command
if [[ "$SHELL_MODE" == true ]]; then if [[ "$SHELL_MODE" == true ]]; then
SANDBOX_CMD=("$SANDBOX_BASH" "${CLAUDE_ARGS[@]}") SANDBOX_CMD=("$SANDBOX_BASH" "${CLAUDE_ARGS[@]}")
elif [[ "$IS_DEFAULT_CLAUDE" == true ]]; then
SANDBOX_CMD=("$HARNESS_BIN" --dangerously-skip-permissions "${CLAUDE_ARGS[@]}")
else else
SANDBOX_CMD=("$CLAUDE_BIN" --dangerously-skip-permissions "${CLAUDE_ARGS[@]}") SANDBOX_CMD=("$HARNESS_BIN" "${CLAUDE_ARGS[@]}")
fi fi
# --dry-run: print the bwrap command without executing (D-09, UX-04) # --dry-run: print the bwrap command without executing (D-09, UX-04)
@ -536,24 +553,12 @@ if [[ "$DRY_RUN" == true ]]; then
if [[ "$CREDS_MOUNT" == true ]]; then if [[ "$CREDS_MOUNT" == true ]]; then
echo " --bind $CREDS_FILE $HOME/.claude/.credentials.json \\" echo " --bind $CREDS_FILE $HOME/.claude/.credentials.json \\"
fi fi
if [[ "$SSH_ACTIVE" == true ]]; then for _dry_sub in "${MOUNT_HOME[@]}"; do
echo " --dir $HOME/.ssh \\" _dry_src="$HOME/$_dry_sub"
if [[ "$WITH_SSH" == true ]]; then [[ -e "$_dry_src" ]] || continue
echo " --bind $SSH_AUTH_SOCK $SSH_AUTH_SOCK \\" echo " --bind $_dry_src $_dry_src \\"
fi done
for _dry_key in "${SSH_KEYS[@]}"; do unset _dry_sub _dry_src
_dry_base=$(basename "$_dry_key")
echo " --ro-bind $_dry_key $HOME/.ssh/$_dry_base \\"
if [[ -f "${_dry_key}.pub" ]]; then
echo " --ro-bind ${_dry_key}.pub $HOME/.ssh/${_dry_base}.pub \\"
fi
unset _dry_base
done
if [[ "$KNOWN_HOSTS_MOUNT" == true ]]; then
echo " --ro-bind $HOME/.ssh/known_hosts $HOME/.ssh/known_hosts \\"
fi
fi
unset _dry_key
printf ' --ro-bind %q %s/.gitconfig \\\n' "$GITCONFIG_TMP" "$HOME" printf ' --ro-bind %q %s/.gitconfig \\\n' "$GITCONFIG_TMP" "$HOME"
echo " --bind $CWD $CWD \\" echo " --bind $CWD $CWD \\"
echo " --chdir $CWD \\" echo " --chdir $CWD \\"
@ -597,24 +602,15 @@ fi
if [[ "$CREDS_MOUNT" == true ]]; then if [[ "$CREDS_MOUNT" == true ]]; then
BWRAP_ARGS+=(--bind "$CREDS_FILE" "$HOME/.claude/.credentials.json") BWRAP_ARGS+=(--bind "$CREDS_FILE" "$HOME/.claude/.credentials.json")
fi fi
if [[ "$SSH_ACTIVE" == true ]]; then for _sub in "${MOUNT_HOME[@]}"; do
BWRAP_ARGS+=(--dir "$HOME/.ssh") _src="$HOME/$_sub"
if [[ "$WITH_SSH" == true ]]; then if [[ ! -e "$_src" ]]; then
BWRAP_ARGS+=(--bind "$SSH_AUTH_SOCK" "$SSH_AUTH_SOCK") echo "${YELLOW}Warning: mount_home '$_sub' does not exist at $_src; skipping${RESET}" >&2
continue
fi fi
for _key in "${SSH_KEYS[@]}"; do BWRAP_ARGS+=(--bind "$_src" "$_src")
_base=$(basename "$_key") done
BWRAP_ARGS+=(--ro-bind "$_key" "$HOME/.ssh/$_base") unset _sub _src
if [[ -f "${_key}.pub" ]]; then
BWRAP_ARGS+=(--ro-bind "${_key}.pub" "$HOME/.ssh/${_base}.pub")
fi
unset _base
done
if [[ "$KNOWN_HOSTS_MOUNT" == true ]]; then
BWRAP_ARGS+=(--ro-bind "$HOME/.ssh/known_hosts" "$HOME/.ssh/known_hosts")
fi
fi
unset _key
BWRAP_ARGS+=( BWRAP_ARGS+=(
--ro-bind "$GITCONFIG_TMP" "$HOME/.gitconfig" --ro-bind "$GITCONFIG_TMP" "$HOME/.gitconfig"
--bind "$CWD" "$CWD" --bind "$CWD" "$CWD"