Constructor Pattern (RULE ZERO). Zero behaviour change, zero flag
drift — all original CLI flags preserved verbatim.
Before: install.sh — 1238 LOC monolith
After: install.sh — 138 LOC dispatcher (sources libs in order)
install/lib-*.sh — 16 cubes, max 183 LOC (lib-menu)
Cubes:
lib-log 21 LOC — logging primitives
lib-backup 63 LOC — rollback trap + BACKUP_PAIRS
lib-profile 115 LOC — MANIFEST.toml profile resolution
lib-args 92 LOC — CLI parsing + --help heredoc
lib-menu 183 LOC — whiptail/dialog/plain-text interactive picker
lib-plan 150 LOC — dry-run --no-execute output
lib-prereqs 91 LOC — hard + soft dependency checks
lib-primitives 131 LOC — primitive copy + MANIFEST drive
lib-rust 114 LOC — cargo workspace build + pre-built support
lib-scaffold 144 LOC — agent/skill/block scaffolding
lib-bridges 31 LOC — project-bridge install
lib-hooks 104 LOC — settings.json jq merge
lib-agents 77 LOC — assembled agent output
lib-skills 23 LOC — skill copy
lib-wizard 20 LOC — sleep-setup wizard invocation
lib-summary 59 LOC — post-install summary
Invariants preserved:
- macOS bash 3.2 compat (no associative arrays, no [[ ]], no ${,,})
- rollback trap wired via setup_backup_trap early in dispatcher
- jq-merge behaviour verbatim in lib-hooks
- scoped Cargo.toml regeneration in lib-rust
Function LOC limits: largest non-heredoc fn 22 LOC (check_soft_prereqs).
Three functions kept >30 LOC because heredoc-dominated (print_help,
print_summary, profile_members); splitting would fragment logical unit.
62 unique function names across cubes, zero duplicates (grep-verified).
bash -n passes on all 17 files. Runtime smoke test deferred to user's
shell (bash-readonly sandbox constraint).
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
115 lines
3.1 KiB
Bash
115 lines
3.1 KiB
Bash
# shellcheck shell=bash
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# lib-profile.sh — MANIFEST.toml parser + profile resolver.
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#
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# Tiny awk-based TOML reader with optional Python fallback for robustness.
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# Two shapes used:
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# 1. profile.<name> = ["a", "b", ...]
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# 2. [primitive.<name>] kind/file/crate/deps/desc
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#
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# If tomllib (python3.11+) or toml is available, prefer it. Otherwise awk.
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#
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# Requires: $MANIFEST (set by install.sh).
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# Requires: err from lib-log.sh.
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have_python_toml() {
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if command -v python3 >/dev/null 2>&1; then
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python3 -c 'import tomllib' >/dev/null 2>&1 && return 0
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python3 -c 'import toml' >/dev/null 2>&1 && return 0
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fi
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return 1
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}
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# Echo space-separated primitive names for a given profile.
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# Usage: profile_members <profile-name>
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profile_members() {
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local profile="$1"
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[ -f "$MANIFEST" ] || { err "MANIFEST.toml not found at $MANIFEST"; return 1; }
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if have_python_toml; then
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python3 - "$MANIFEST" "$profile" <<'PY' 2>/dev/null || return 1
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import sys
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try:
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import tomllib
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mode = "rb"
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except ImportError:
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import toml as tomllib
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mode = "r"
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path, prof = sys.argv[1], sys.argv[2]
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with open(path, mode) as f:
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data = tomllib.load(f) if mode == "rb" else tomllib.load(f)
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members = data.get("profile", {}).get(prof)
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if members is None:
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sys.exit(2)
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print(" ".join(members))
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PY
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else
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# awk fallback — only handles `profile.<name> = [...]` on one line
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awk -v prof="$profile" '
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/^\[profile\]/ { in_profile=1; next }
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/^\[/ && !/^\[profile\]/ { in_profile=0 }
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in_profile && $0 ~ "^[[:space:]]*" prof "[[:space:]]*=" {
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line = $0
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sub(/^[^\[]*\[/, "", line)
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sub(/\].*$/, "", line)
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gsub(/"/, "", line)
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gsub(/,/, " ", line)
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print line
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exit
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}
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' "$MANIFEST"
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fi
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}
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# Echo a field of a primitive. Usage: primitive_field <name> <field>
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# field ∈ { kind, file, crate, desc, deps }
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primitive_field() {
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local name="$1" field="$2"
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[ -f "$MANIFEST" ] || return 1
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if have_python_toml; then
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python3 - "$MANIFEST" "$name" "$field" <<'PY' 2>/dev/null
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import sys
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try:
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import tomllib
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mode = "rb"
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except ImportError:
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import toml as tomllib
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mode = "r"
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path, name, field = sys.argv[1], sys.argv[2], sys.argv[3]
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with open(path, mode) as f:
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data = tomllib.load(f) if mode == "rb" else tomllib.load(f)
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p = data.get("primitive", {}).get(name)
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if p is None:
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sys.exit(2)
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v = p.get(field, "")
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if isinstance(v, list):
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print("; ".join(v))
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else:
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print(v)
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PY
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else
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awk -v pname="$name" -v fname="$field" '
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$0 ~ "^\\[primitive\\." pname "\\]" { in_p=1; next }
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/^\[/ && in_p { in_p=0 }
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in_p && $0 ~ "^[[:space:]]*" fname "[[:space:]]*=" {
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line = $0
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sub(/^[^=]*=[[:space:]]*/, "", line)
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gsub(/^"/, "", line)
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gsub(/"$/, "", line)
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print line
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exit
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}
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' "$MANIFEST"
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fi
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}
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# Echo all primitive names defined in MANIFEST.
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all_primitive_names() {
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[ -f "$MANIFEST" ] || return 1
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awk '
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/^\[primitive\./ {
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name = $0
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sub(/^\[primitive\./, "", name)
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sub(/\]$/, "", name)
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print name
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}
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' "$MANIFEST"
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}
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