2320a1c2ef
- Lower minimum hash length from 4 to 3 characters - Update hash validation to support base36 (0-9, a-z) instead of just hex - Require at least one digit to distinguish hashes from English words - Fixes prefix extraction for hyphenated prefixes with 3-char hashes e.g., 'document-intelligence-0sa' now correctly extracts 'document-intelligence' - Add test cases for 3-char hashes with multi-part prefixes - Resolves bd sync failures with 'prefix mismatch detected' errors
84 lines
2.5 KiB
Go
84 lines
2.5 KiB
Go
package utils
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import (
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"fmt"
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"strings"
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)
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// ExtractIssuePrefix extracts the prefix from an issue ID like "bd-123" -> "bd"
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// Uses the last hyphen before a numeric or hash suffix:
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// - "beads-vscode-1" -> "beads-vscode" (numeric suffix)
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// - "web-app-a3f8e9" -> "web-app" (hash suffix)
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// - "my-cool-app-123" -> "my-cool-app" (numeric suffix)
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// Only uses first hyphen for non-ID suffixes like "vc-baseline-test" -> "vc"
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func ExtractIssuePrefix(issueID string) string {
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// Try last hyphen first (handles multi-part prefixes like "beads-vscode-1")
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lastIdx := strings.LastIndex(issueID, "-")
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if lastIdx <= 0 {
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return ""
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}
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suffix := issueID[lastIdx+1:]
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// Check if suffix looks like an issue ID component (numeric or hash-like)
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if len(suffix) > 0 {
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// Extract just the numeric part (handle "123.1.2" -> check "123")
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numPart := suffix
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if dotIdx := strings.Index(suffix, "."); dotIdx > 0 {
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numPart = suffix[:dotIdx]
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}
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// Check if it's numeric
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var num int
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if _, err := fmt.Sscanf(numPart, "%d", &num); err == nil {
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// Suffix is numeric, use last hyphen
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return issueID[:lastIdx]
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}
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// Check if it looks like a hash (hexadecimal characters, 4+ chars)
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// Hash IDs are typically 4-8 hex characters (e.g., "a3f8e9", "1a2b")
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if isLikelyHash(numPart) {
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// Suffix looks like a hash, use last hyphen
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return issueID[:lastIdx]
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}
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}
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// Suffix is not numeric or hash-like (e.g., "vc-baseline-test"), fall back to first hyphen
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firstIdx := strings.Index(issueID, "-")
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if firstIdx <= 0 {
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return ""
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}
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return issueID[:firstIdx]
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}
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// isLikelyHash checks if a string looks like a hash ID suffix.
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// Returns true for base36 strings of 3-8 characters (0-9, a-z) that contain at least one digit.
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// Requires a digit to distinguish hashes from English words (e.g., accept "0sa" but reject "test").
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// Hash IDs in beads use adaptive length scaling from 3-8 characters.
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func isLikelyHash(s string) bool {
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if len(s) < 3 || len(s) > 8 {
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return false
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}
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hasDigit := false
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// Check if all characters are base36 (0-9, a-z) and at least one is a digit
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for _, c := range s {
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if c >= '0' && c <= '9' {
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hasDigit = true
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}
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if !((c >= '0' && c <= '9') || (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) {
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return false
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}
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}
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return hasDigit
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}
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// ExtractIssueNumber extracts the number from an issue ID like "bd-123" -> 123
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func ExtractIssueNumber(issueID string) int {
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idx := strings.LastIndex(issueID, "-")
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if idx < 0 || idx == len(issueID)-1 {
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return 0
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}
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var num int
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_, _ = fmt.Sscanf(issueID[idx+1:], "%d", &num)
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return num
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}
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