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reactbin/.specify/scripts/bash/common.sh

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#!/usr/bin/env bash
# Common functions and variables for all scripts
# Find repository root by searching upward for .specify directory
# This is the primary marker for spec-kit projects
find_specify_root() {
local dir="${1:-$(pwd)}"
# Normalize to absolute path to prevent infinite loop with relative paths
# Use -- to handle paths starting with - (e.g., -P, -L)
dir="$(cd -- "$dir" 2>/dev/null && pwd)" || return 1
local prev_dir=""
while true; do
if [ -d "$dir/.specify" ]; then
echo "$dir"
return 0
fi
# Stop if we've reached filesystem root or dirname stops changing
if [ "$dir" = "/" ] || [ "$dir" = "$prev_dir" ]; then
break
fi
prev_dir="$dir"
dir="$(dirname "$dir")"
done
return 1
}
# Get repository root, prioritizing .specify directory over git
# This prevents using a parent git repo when spec-kit is initialized in a subdirectory
get_repo_root() {
# First, look for .specify directory (spec-kit's own marker)
local specify_root
if specify_root=$(find_specify_root); then
echo "$specify_root"
return
fi
# Fallback to git if no .specify found
if git rev-parse --show-toplevel >/dev/null 2>&1; then
git rev-parse --show-toplevel
return
fi
# Final fallback to script location for non-git repos
local script_dir="$(CDPATH="" cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
(cd "$script_dir/../../.." && pwd)
}
# Get current branch, with fallback for non-git repositories
get_current_branch() {
# First check if SPECIFY_FEATURE environment variable is set
if [[ -n "${SPECIFY_FEATURE:-}" ]]; then
echo "$SPECIFY_FEATURE"
return
fi
# Then check git if available at the spec-kit root (not parent)
local repo_root=$(get_repo_root)
if has_git; then
git -C "$repo_root" rev-parse --abbrev-ref HEAD
return
fi
# For non-git repos, try to find the latest feature directory
local specs_dir="$repo_root/specs"
if [[ -d "$specs_dir" ]]; then
local latest_feature=""
local highest=0
local latest_timestamp=""
for dir in "$specs_dir"/*; do
if [[ -d "$dir" ]]; then
local dirname=$(basename "$dir")
if [[ "$dirname" =~ ^([0-9]{8}-[0-9]{6})- ]]; then
# Timestamp-based branch: compare lexicographically
local ts="${BASH_REMATCH[1]}"
if [[ "$ts" > "$latest_timestamp" ]]; then
latest_timestamp="$ts"
latest_feature=$dirname
fi
elif [[ "$dirname" =~ ^([0-9]{3,})- ]]; then
local number=${BASH_REMATCH[1]}
number=$((10#$number))
if [[ "$number" -gt "$highest" ]]; then
highest=$number
# Only update if no timestamp branch found yet
if [[ -z "$latest_timestamp" ]]; then
latest_feature=$dirname
fi
fi
fi
fi
done
if [[ -n "$latest_feature" ]]; then
echo "$latest_feature"
return
fi
fi
echo "main" # Final fallback
}
# Check if we have git available at the spec-kit root level
# Returns true only if git is installed and the repo root is inside a git work tree
# Handles both regular repos (.git directory) and worktrees/submodules (.git file)
has_git() {
# First check if git command is available (before calling get_repo_root which may use git)
command -v git >/dev/null 2>&1 || return 1
local repo_root=$(get_repo_root)
# Check if .git exists (directory or file for worktrees/submodules)
[ -e "$repo_root/.git" ] || return 1
# Verify it's actually a valid git work tree
git -C "$repo_root" rev-parse --is-inside-work-tree >/dev/null 2>&1
}
# Strip a single optional path segment (e.g. gitflow "feat/004-name" -> "004-name").
# Only when the full name is exactly two slash-free segments; otherwise returns the raw name.
spec_kit_effective_branch_name() {
local raw="$1"
if [[ "$raw" =~ ^([^/]+)/([^/]+)$ ]]; then
printf '%s\n' "${BASH_REMATCH[2]}"
else
printf '%s\n' "$raw"
fi
}
check_feature_branch() {
local raw="$1"
local has_git_repo="$2"
# For non-git repos, we can't enforce branch naming but still provide output
if [[ "$has_git_repo" != "true" ]]; then
echo "[specify] Warning: Git repository not detected; skipped branch validation" >&2
return 0
fi
local branch
branch=$(spec_kit_effective_branch_name "$raw")
# Accept sequential prefix (3+ digits) but exclude malformed timestamps
# Malformed: 7-or-8 digit date + 6-digit time with no trailing slug (e.g. "2026031-143022" or "20260319-143022")
local is_sequential=false
if [[ "$branch" =~ ^[0-9]{3,}- ]] && [[ ! "$branch" =~ ^[0-9]{7}-[0-9]{6}- ]] && [[ ! "$branch" =~ ^[0-9]{7,8}-[0-9]{6}$ ]]; then
is_sequential=true
fi
if [[ "$is_sequential" != "true" ]] && [[ ! "$branch" =~ ^[0-9]{8}-[0-9]{6}- ]]; then
echo "ERROR: Not on a feature branch. Current branch: $raw" >&2
echo "Feature branches should be named like: 001-feature-name, 1234-feature-name, or 20260319-143022-feature-name" >&2
return 1
fi
return 0
}
# Safely read .specify/feature.json's "feature_directory" value.
# Prints the raw value (possibly relative) to stdout, or empty string if the file
# is missing, unparseable, or does not contain the key. Always returns 0 so callers
# under `set -e` cannot be aborted by parser failure.
# Parser order mirrors the historical get_feature_paths behavior: jq -> python3 -> grep/sed.
read_feature_json_feature_directory() {
local repo_root="$1"
local fj="$repo_root/.specify/feature.json"
[[ -f "$fj" ]] || { printf '%s' ''; return 0; }
local _fd=''
if command -v jq >/dev/null 2>&1; then
if ! _fd=$(jq -r '.feature_directory // empty' "$fj" 2>/dev/null); then
_fd=''
fi
elif command -v python3 >/dev/null 2>&1; then
# Use Python so pretty-printed/multi-line JSON still parses correctly.
if ! _fd=$(python3 -c "import json,sys; d=json.load(open(sys.argv[1])); v=d.get('feature_directory'); print(v if v else '')" "$fj" 2>/dev/null); then
_fd=''
fi
else
# Last-resort single-line grep/sed fallback. The `|| true` guards against
# grep returning 1 (no match) aborting under `set -e` / `pipefail`.
_fd=$( { grep -E '"feature_directory"[[:space:]]*:' "$fj" 2>/dev/null || true; } \
| head -n 1 \
| sed -E 's/^[^:]*:[[:space:]]*"([^"]*)".*$/\1/' )
fi
printf '%s' "$_fd"
return 0
}
# Returns 0 when .specify/feature.json lists feature_directory that exists as a directory
# and matches the resolved active FEATURE_DIR (so /speckit.plan can skip git branch pattern checks).
# Delegates parsing to read_feature_json_feature_directory, which is safe under `set -e`.
feature_json_matches_feature_dir() {
local repo_root="$1"
local active_feature_dir="$2"
local _fd
_fd=$(read_feature_json_feature_directory "$repo_root")
[[ -n "$_fd" ]] || return 1
[[ "$_fd" != /* ]] && _fd="$repo_root/$_fd"
[[ -d "$_fd" ]] || return 1
local norm_json norm_active
norm_json="$(cd -- "$_fd" 2>/dev/null && pwd -P)" || return 1
norm_active="$(cd -- "$active_feature_dir" 2>/dev/null && pwd -P)" || return 1
[[ "$norm_json" == "$norm_active" ]]
}
# Find feature directory by numeric prefix instead of exact branch match
# This allows multiple branches to work on the same spec (e.g., 004-fix-bug, 004-add-feature)
find_feature_dir_by_prefix() {
local repo_root="$1"
local branch_name
branch_name=$(spec_kit_effective_branch_name "$2")
local specs_dir="$repo_root/specs"
# Extract prefix from branch (e.g., "004" from "004-whatever" or "20260319-143022" from timestamp branches)
local prefix=""
if [[ "$branch_name" =~ ^([0-9]{8}-[0-9]{6})- ]]; then
prefix="${BASH_REMATCH[1]}"
elif [[ "$branch_name" =~ ^([0-9]{3,})- ]]; then
prefix="${BASH_REMATCH[1]}"
else
# If branch doesn't have a recognized prefix, fall back to exact match
echo "$specs_dir/$branch_name"
return
fi
# Search for directories in specs/ that start with this prefix
local matches=()
if [[ -d "$specs_dir" ]]; then
for dir in "$specs_dir"/"$prefix"-*; do
if [[ -d "$dir" ]]; then
matches+=("$(basename "$dir")")
fi
done
fi
# Handle results
if [[ ${#matches[@]} -eq 0 ]]; then
# No match found - return the branch name path (will fail later with clear error)
echo "$specs_dir/$branch_name"
elif [[ ${#matches[@]} -eq 1 ]]; then
# Exactly one match - perfect!
echo "$specs_dir/${matches[0]}"
else
# Multiple matches - this shouldn't happen with proper naming convention
echo "ERROR: Multiple spec directories found with prefix '$prefix': ${matches[*]}" >&2
echo "Please ensure only one spec directory exists per prefix." >&2
return 1
fi
}
get_feature_paths() {
local repo_root=$(get_repo_root)
local current_branch=$(get_current_branch)
local has_git_repo="false"
if has_git; then
has_git_repo="true"
fi
# Resolve feature directory. Priority:
# 1. SPECIFY_FEATURE_DIRECTORY env var (explicit override)
# 2. .specify/feature.json "feature_directory" key (persisted by /speckit.specify)
# 3. Branch-name-based prefix lookup (legacy fallback)
local feature_dir
if [[ -n "${SPECIFY_FEATURE_DIRECTORY:-}" ]]; then
feature_dir="$SPECIFY_FEATURE_DIRECTORY"
# Normalize relative paths to absolute under repo root
[[ "$feature_dir" != /* ]] && feature_dir="$repo_root/$feature_dir"
elif [[ -f "$repo_root/.specify/feature.json" ]]; then
# Shared, set -e-safe parser: jq -> python3 -> grep/sed. Returns empty on
# missing/unparseable/unset so we fall through to the branch-prefix lookup.
local _fd
_fd=$(read_feature_json_feature_directory "$repo_root")
if [[ -n "$_fd" ]]; then
feature_dir="$_fd"
# Normalize relative paths to absolute under repo root
[[ "$feature_dir" != /* ]] && feature_dir="$repo_root/$feature_dir"
elif ! feature_dir=$(find_feature_dir_by_prefix "$repo_root" "$current_branch"); then
echo "ERROR: Failed to resolve feature directory" >&2
return 1
fi
elif ! feature_dir=$(find_feature_dir_by_prefix "$repo_root" "$current_branch"); then
echo "ERROR: Failed to resolve feature directory" >&2
return 1
fi
# Use printf '%q' to safely quote values, preventing shell injection
# via crafted branch names or paths containing special characters
printf 'REPO_ROOT=%q\n' "$repo_root"
printf 'CURRENT_BRANCH=%q\n' "$current_branch"
printf 'HAS_GIT=%q\n' "$has_git_repo"
printf 'FEATURE_DIR=%q\n' "$feature_dir"
printf 'FEATURE_SPEC=%q\n' "$feature_dir/spec.md"
printf 'IMPL_PLAN=%q\n' "$feature_dir/plan.md"
printf 'TASKS=%q\n' "$feature_dir/tasks.md"
printf 'RESEARCH=%q\n' "$feature_dir/research.md"
printf 'DATA_MODEL=%q\n' "$feature_dir/data-model.md"
printf 'QUICKSTART=%q\n' "$feature_dir/quickstart.md"
printf 'CONTRACTS_DIR=%q\n' "$feature_dir/contracts"
}
# Check if jq is available for safe JSON construction
has_jq() {
command -v jq >/dev/null 2>&1
}
# Escape a string for safe embedding in a JSON value (fallback when jq is unavailable).
# Handles backslash, double-quote, and JSON-required control character escapes (RFC 8259).
json_escape() {
local s="$1"
s="${s//\\/\\\\}"
s="${s//\"/\\\"}"
s="${s//$'\n'/\\n}"
s="${s//$'\t'/\\t}"
s="${s//$'\r'/\\r}"
s="${s//$'\b'/\\b}"
s="${s//$'\f'/\\f}"
# Escape any remaining U+0001-U+001F control characters as \uXXXX.
# (U+0000/NUL cannot appear in bash strings and is excluded.)
# LC_ALL=C ensures ${#s} counts bytes and ${s:$i:1} yields single bytes,
# so multi-byte UTF-8 sequences (first byte >= 0xC0) pass through intact.
local LC_ALL=C
local i char code
for (( i=0; i<${#s}; i++ )); do
char="${s:$i:1}"
printf -v code '%d' "'$char" 2>/dev/null || code=256
if (( code >= 1 && code <= 31 )); then
printf '\\u%04x' "$code"
else
printf '%s' "$char"
fi
done
}
check_file() { [[ -f "$1" ]] && echo "$2" || echo "$2"; }
check_dir() { [[ -d "$1" && -n $(ls -A "$1" 2>/dev/null) ]] && echo "$2" || echo "$2"; }
# Resolve a template name to a file path using the priority stack:
# 1. .specify/templates/overrides/
# 2. .specify/presets/<preset-id>/templates/ (sorted by priority from .registry)
# 3. .specify/extensions/<ext-id>/templates/
# 4. .specify/templates/ (core)
resolve_template() {
local template_name="$1"
local repo_root="$2"
local base="$repo_root/.specify/templates"
# Priority 1: Project overrides
local override="$base/overrides/${template_name}.md"
[ -f "$override" ] && echo "$override" && return 0
# Priority 2: Installed presets (sorted by priority from .registry)
local presets_dir="$repo_root/.specify/presets"
if [ -d "$presets_dir" ]; then
local registry_file="$presets_dir/.registry"
if [ -f "$registry_file" ] && command -v python3 >/dev/null 2>&1; then
# Read preset IDs sorted by priority (lower number = higher precedence).
# The python3 call is wrapped in an if-condition so that set -e does not
# abort the function when python3 exits non-zero (e.g. invalid JSON).
local sorted_presets=""
if sorted_presets=$(SPECKIT_REGISTRY="$registry_file" python3 -c "
import json, sys, os
try:
with open(os.environ['SPECKIT_REGISTRY']) as f:
data = json.load(f)
presets = data.get('presets', {})
for pid, meta in sorted(presets.items(), key=lambda x: x[1].get('priority', 10) if isinstance(x[1], dict) else 10):
if isinstance(meta, dict) and meta.get('enabled', True) is not False:
print(pid)
except Exception:
sys.exit(1)
" 2>/dev/null); then
if [ -n "$sorted_presets" ]; then
# python3 succeeded and returned preset IDs — search in priority order
while IFS= read -r preset_id; do
local candidate="$presets_dir/$preset_id/templates/${template_name}.md"
[ -f "$candidate" ] && echo "$candidate" && return 0
done <<< "$sorted_presets"
fi
# python3 succeeded but registry has no presets — nothing to search
else
# python3 failed (missing, or registry parse error) — fall back to unordered directory scan
for preset in "$presets_dir"/*/; do
[ -d "$preset" ] || continue
local candidate="$preset/templates/${template_name}.md"
[ -f "$candidate" ] && echo "$candidate" && return 0
done
fi
else
# Fallback: alphabetical directory order (no python3 available)
for preset in "$presets_dir"/*/; do
[ -d "$preset" ] || continue
local candidate="$preset/templates/${template_name}.md"
[ -f "$candidate" ] && echo "$candidate" && return 0
done
fi
fi
# Priority 3: Extension-provided templates
local ext_dir="$repo_root/.specify/extensions"
if [ -d "$ext_dir" ]; then
for ext in "$ext_dir"/*/; do
[ -d "$ext" ] || continue
# Skip hidden directories (e.g. .backup, .cache)
case "$(basename "$ext")" in .*) continue;; esac
local candidate="$ext/templates/${template_name}.md"
[ -f "$candidate" ] && echo "$candidate" && return 0
done
fi
# Priority 4: Core templates
local core="$base/${template_name}.md"
[ -f "$core" ] && echo "$core" && return 0
# Template not found in any location.
# Return 1 so callers can distinguish "not found" from "found".
# Callers running under set -e should use: TEMPLATE=$(resolve_template ...) || true
return 1
}
# Resolve a template name to composed content using composition strategies.
# Reads strategy metadata from preset manifests and composes content
# from multiple layers using prepend, append, or wrap strategies.
#
# Usage: CONTENT=$(resolve_template_content "template-name" "$REPO_ROOT")
# Returns composed content string on stdout; exit code 1 if not found.
resolve_template_content() {
local template_name="$1"
local repo_root="$2"
local base="$repo_root/.specify/templates"
# Collect all layers (highest priority first)
local -a layer_paths=()
local -a layer_strategies=()
# Priority 1: Project overrides (always "replace")
local override="$base/overrides/${template_name}.md"
if [ -f "$override" ]; then
layer_paths+=("$override")
layer_strategies+=("replace")
fi
# Priority 2: Installed presets (sorted by priority from .registry)
local presets_dir="$repo_root/.specify/presets"
if [ -d "$presets_dir" ]; then
local registry_file="$presets_dir/.registry"
local sorted_presets=""
if [ -f "$registry_file" ] && command -v python3 >/dev/null 2>&1; then
if sorted_presets=$(SPECKIT_REGISTRY="$registry_file" python3 -c "
import json, sys, os
try:
with open(os.environ['SPECKIT_REGISTRY']) as f:
data = json.load(f)
presets = data.get('presets', {})
for pid, meta in sorted(presets.items(), key=lambda x: x[1].get('priority', 10) if isinstance(x[1], dict) else 10):
if isinstance(meta, dict) and meta.get('enabled', True) is not False:
print(pid)
except Exception:
sys.exit(1)
" 2>/dev/null); then
if [ -n "$sorted_presets" ]; then
local yaml_warned=false
while IFS= read -r preset_id; do
# Read strategy and file path from preset manifest
local strategy="replace"
local manifest_file=""
local manifest="$presets_dir/$preset_id/preset.yml"
if [ -f "$manifest" ] && command -v python3 >/dev/null 2>&1; then
# Requires PyYAML; falls back to replace/convention if unavailable
local result
local py_stderr
py_stderr=$(mktemp)
result=$(SPECKIT_MANIFEST="$manifest" SPECKIT_TMPL="$template_name" python3 -c "
import sys, os
try:
import yaml
except ImportError:
print('yaml_missing', file=sys.stderr)
print('replace\t')
sys.exit(0)
try:
with open(os.environ['SPECKIT_MANIFEST']) as f:
data = yaml.safe_load(f)
for t in data.get('provides', {}).get('templates', []):
if t.get('name') == os.environ['SPECKIT_TMPL'] and t.get('type', 'template') == 'template':
print(t.get('strategy', 'replace') + '\t' + t.get('file', ''))
sys.exit(0)
print('replace\t')
except Exception:
print('replace\t')
" 2>"$py_stderr")
local parse_status=$?
if [ $parse_status -eq 0 ] && [ -n "$result" ]; then
IFS=$'\t' read -r strategy manifest_file <<< "$result"
strategy=$(printf '%s' "$strategy" | tr '[:upper:]' '[:lower:]')
fi
if [ "$yaml_warned" = false ] && grep -q 'yaml_missing' "$py_stderr" 2>/dev/null; then
echo "Warning: PyYAML not available; composition strategies may be ignored" >&2
yaml_warned=true
fi
rm -f "$py_stderr"
fi
# Try manifest file path first, then convention path
local candidate=""
if [ -n "$manifest_file" ]; then
# Reject absolute paths and parent traversal
case "$manifest_file" in
/*|*../*|../*) manifest_file="" ;;
esac
fi
if [ -n "$manifest_file" ]; then
local mf="$presets_dir/$preset_id/$manifest_file"
[ -f "$mf" ] && candidate="$mf"
fi
if [ -z "$candidate" ]; then
local cf="$presets_dir/$preset_id/templates/${template_name}.md"
[ -f "$cf" ] && candidate="$cf"
fi
if [ -n "$candidate" ]; then
layer_paths+=("$candidate")
layer_strategies+=("$strategy")
fi
done <<< "$sorted_presets"
fi
else
# python3 failed — fall back to unordered directory scan (replace only)
for preset in "$presets_dir"/*/; do
[ -d "$preset" ] || continue
local candidate="$preset/templates/${template_name}.md"
if [ -f "$candidate" ]; then
layer_paths+=("$candidate")
layer_strategies+=("replace")
fi
done
fi
else
# No python3 or registry — fall back to unordered directory scan (replace only)
for preset in "$presets_dir"/*/; do
[ -d "$preset" ] || continue
local candidate="$preset/templates/${template_name}.md"
if [ -f "$candidate" ]; then
layer_paths+=("$candidate")
layer_strategies+=("replace")
fi
done
fi
fi
# Priority 3: Extension-provided templates (always "replace")
local ext_dir="$repo_root/.specify/extensions"
if [ -d "$ext_dir" ]; then
for ext in "$ext_dir"/*/; do
[ -d "$ext" ] || continue
case "$(basename "$ext")" in .*) continue;; esac
local candidate="$ext/templates/${template_name}.md"
if [ -f "$candidate" ]; then
layer_paths+=("$candidate")
layer_strategies+=("replace")
fi
done
fi
# Priority 4: Core templates (always "replace")
local core="$base/${template_name}.md"
if [ -f "$core" ]; then
layer_paths+=("$core")
layer_strategies+=("replace")
fi
local count=${#layer_paths[@]}
[ "$count" -eq 0 ] && return 1
# Check if any layer uses a non-replace strategy
local has_composition=false
for s in "${layer_strategies[@]}"; do
[ "$s" != "replace" ] && has_composition=true && break
done
# If the top (highest-priority) layer is replace, it wins entirely —
# lower layers are irrelevant regardless of their strategies.
if [ "${layer_strategies[0]}" = "replace" ]; then
cat "${layer_paths[0]}"
return 0
fi
if [ "$has_composition" = false ]; then
cat "${layer_paths[0]}"
return 0
fi
# Find the effective base: scan from highest priority (index 0) downward
# to find the nearest replace layer. Only compose layers above that base.
local base_idx=-1
local i
for (( i=0; i<count; i++ )); do
if [ "${layer_strategies[$i]}" = "replace" ]; then
base_idx=$i
break
fi
done
if [ $base_idx -lt 0 ]; then
return 1 # no base layer found
fi
# Read the base content; compose layers above the base (higher priority)
local content
content=$(cat "${layer_paths[$base_idx]}"; printf x)
content="${content%x}"
for (( i=base_idx-1; i>=0; i-- )); do
local path="${layer_paths[$i]}"
local strat="${layer_strategies[$i]}"
local layer_content
# Preserve trailing newlines
layer_content=$(cat "$path"; printf x)
layer_content="${layer_content%x}"
case "$strat" in
replace) content="$layer_content" ;;
prepend) content="$(printf '%s\n\n%s' "$layer_content" "$content")" ;;
append) content="$(printf '%s\n\n%s' "$content" "$layer_content")" ;;
wrap)
case "$layer_content" in
*'{CORE_TEMPLATE}'*) ;;
*) echo "Error: wrap strategy missing {CORE_TEMPLATE} placeholder" >&2; return 1 ;;
esac
while [[ "$layer_content" == *'{CORE_TEMPLATE}'* ]]; do
local before="${layer_content%%\{CORE_TEMPLATE\}*}"
local after="${layer_content#*\{CORE_TEMPLATE\}}"
layer_content="${before}${content}${after}"
done
content="$layer_content"
;;
*) echo "Error: unknown strategy '$strat'" >&2; return 1 ;;
esac
done
printf '%s' "$content"
return 0
}