archipelagoandClaude Opus 5
c3bffbd557
Adds assert_safe_same_host_deploy(local_src, remote_dst) to lib/common.sh: pure, no SSH inside it, callable directly from a test with fixed inputs. Returns 0 only when the two already-resolved paths are equal; refuses (non-zero, message naming both paths + the 2026-07-31 incident) on any other same-host mismatch. This closes a real gap in the 2026-07-31 incident's original fix: the old guard's two `case` blocks refused only containment (source-in-destination or destination-in-source). A SIBLING directory — for example this very worktree, archy-phase13, deploying onto TARGET_DIR's resolved symlink target (archy, the main checkout) — is neither contained by nor containing of the destination, so the old guard let it through and `rsync --delete` would have mirrored the sibling onto the main checkout, deleting everything the sibling lacks. Found while retargeting deploy-to-target.sh for D-19, not a D-19 effect itself. deploy-to-target.sh's guard block now calls assert_safe_same_host_deploy instead of the two inline containment-only case blocks (old logic removed, not left dead alongside the new call). tests/production-quality/deploy-guard-same-host.sh pins all five <behavior> cases (identical/contained/containing/sibling/unrelated) against the function with no SSH, no rsync, no real deploy — including the exact archy-phase13-vs-archy pair as the sibling-directory regression pin. Manually confirmed non-vacuous: flipping the sibling fixture's expectation to "allow" makes the test fail. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
105 lines
4.3 KiB
Bash
Executable File
105 lines
4.3 KiB
Bash
Executable File
#!/usr/bin/env bash
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# deploy-guard-same-host.sh — regression pin for assert_safe_same_host_deploy
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# (scripts/lib/common.sh), widened in 13-09 from containment-only to any
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# resolved-path mismatch on the same host.
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#
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# The 2026-07-31 incident: a same-host `rsync --delete` deploy whose source
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# was INSIDE the destination mirrored the source onto the destination and
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# deleted ~1810 tracked files, a running dev server, and two sessions'
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# uncommitted work. The original fix refused only containment (source-in-
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# destination or destination-in-source). It missed SIBLING directories that
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# share a parent but neither contains the other — e.g. this session's own
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# worktree topology, archy-phase13 (source) vs archy (the main checkout,
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# TARGET_DIR's resolved symlink target) — which is the identical rsync
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# --delete hazard through a shape the old two-case guard let through.
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#
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# No SSH, no rsync, no real deploy — pure fixture strings against the
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# function. Usage: ./deploy-guard-same-host.sh (takes no host argument)
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# Exit 0 = all assertions pass.
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set -uo pipefail
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SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
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PROJECT_DIR="$(dirname "$(dirname "$SCRIPT_DIR")")"
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# shellcheck source=../../scripts/lib/common.sh
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source "$PROJECT_DIR/scripts/lib/common.sh"
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PASS=0; FAIL=0
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say() { printf '%s\n' "$*"; }
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ok() { PASS=$((PASS+1)); say " PASS: $1"; }
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bad() { FAIL=$((FAIL+1)); say " FAIL: $1"; }
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# Helper: run assert_safe_same_host_deploy and check its exit code against
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# an expectation ("allow" or "refuse"), silencing its stderr message so the
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# test output stays readable.
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check() {
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local desc="$1" src="$2" dst="$3" expect="$4"
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local rc
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assert_safe_same_host_deploy "$src" "$dst" >/dev/null 2>&1
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rc=$?
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if [ "$expect" = "allow" ]; then
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[ "$rc" -eq 0 ] && ok "$desc" || bad "$desc (expected allow/exit 0, got exit $rc)"
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else
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[ "$rc" -ne 0 ] && ok "$desc" || bad "$desc (expected refuse/non-zero, got exit $rc)"
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fi
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}
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say "== assert_safe_same_host_deploy — fixture matrix =="
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# 1) Identical resolved source and destination: allowed. The normal
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# in-place deploy from the main checkout onto its own symlinked
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# destination.
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check "identical resolved paths are allowed" \
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"/home/archipelago/Projects/archy" \
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"/home/archipelago/Projects/archy" \
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"allow"
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# 2) Source is inside (a subdirectory of) the destination: refused. The
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# original 2026-07-31 containment case.
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check "source-inside-destination is refused" \
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"/home/archipelago/Projects/archy/.claude/worktrees/some-agent" \
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"/home/archipelago/Projects/archy" \
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"refuse"
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# 3) Destination is inside the source: refused. The mirror-image
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# containment case.
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check "destination-inside-source is refused" \
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"/home/archipelago/Projects/archy" \
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"/home/archipelago/Projects/archy/.claude/worktrees/some-agent" \
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"refuse"
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# 4) Sibling-directory regression pin — the exact shape this session's own
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# worktree topology exhibits, and the gap the old two-case guard let
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# through: archy-phase13 (this worktree) as source, archy (the main
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# checkout, TARGET_DIR's resolved symlink target) as destination. Share
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# a parent (/home/archipelago/Projects); neither contains the other.
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check "sibling directories (archy-phase13 vs archy) are refused [SIBLING REGRESSION PIN]" \
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"/home/archipelago/Projects/archy-phase13" \
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"/home/archipelago/Projects/archy" \
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"refuse"
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# 5) Two completely unrelated same-host paths with no shared parent at
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# all: refused. Same-host plus any mismatch is refused, not just the
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# two containment shapes.
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check "unrelated paths with no shared parent are refused" \
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"/home/archipelago/Projects/archy" \
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"/opt/archipelago/web-ui" \
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"refuse"
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# 6) A refused case names both resolved paths and the 2026-07-31 incident
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# on stderr, so a future operator understands why rather than
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# reflexively retrying with a force flag.
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MSG="$(assert_safe_same_host_deploy "/home/archipelago/Projects/archy-phase13" "/home/archipelago/Projects/archy" 2>&1 >/dev/null)"
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if echo "$MSG" | grep -q '/home/archipelago/Projects/archy-phase13' \
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&& echo "$MSG" | grep -q '/home/archipelago/Projects/archy' \
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&& echo "$MSG" | grep -q '2026-07-31'; then
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ok "refusal message names both resolved paths and the 2026-07-31 incident"
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else
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bad "refusal message missing an expected component: $MSG"
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fi
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say ""
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say "== ${PASS} passed, ${FAIL} failed =="
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[ "$FAIL" -eq 0 ]
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