Updated pre-commit to check for dead links, updated projects pages and new post

2025-10-05 22:33:54 -06:00
parent 57c931c7cf
commit a72883a13f
10 changed files with 259 additions and 24 deletions
@@ -0,0 +1,150 @@
+#!/usr/bin/env bash
+
+set -e
+
+# Color codes for output
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# Function to check if a URL is reachable
+check_url() {
+    local url="$1"
+    local file="$2"
+    local line_num="$3"
+
+    # Skip relative URLs and internal anchors
+    if [[ "$url" =~ ^(#|/[^/]|\./) ]]; then
+        return 0
+    fi
+
+    # Skip mailto and other non-http protocols
+    if [[ "$url" =~ ^(mailto:|ftp:|file:|javascript:) ]]; then
+        return 0
+    fi
+
+    # For URLs without protocol, assume https
+    if [[ ! "$url" =~ ^https?:// ]]; then
+        url="https://$url"
+    fi
+
+    # Use curl to check the URL with a reasonable timeout
+    # Follow redirects, but limit to 5 redirects to prevent infinite loops
+    local http_code
+    http_code=$(curl -s -o /dev/null -w "%{http_code}" \
+        --max-time 10 \
+        --max-redirs 5 \
+        --retry 1 \
+        --user-agent "Mozilla/5.0 (compatible; FossCat Link Checker)" \
+        "$url" 2>/dev/null || echo "000")
+
+    # Consider 2xx and 3xx status codes as success
+    if [[ "$http_code" =~ ^[23][0-9][0-9]$ ]]; then
+        return 0
+    else
+        echo -e "${RED}❌ Dead link in $file:$line_num${NC}"
+        echo -e "   URL: $url"
+        echo -e "   Status: $http_code"
+        return 1
+    fi
+}
+
+# Function to extract and check links from a markdown file
+check_markdown_links() {
+    local file="$1"
+    local failed=0
+
+    echo "Checking links in $file..."
+
+    # Use a simpler approach that works with basic grep
+    # Extract URLs from markdown links [text](url) and images ![alt](url)
+    local urls=$(grep -o '\]([^)]*)' "$file" | sed 's/](\([^)]*\)).*/\1/' | grep -v '^$')
+
+    if [ -n "$urls" ]; then
+        while IFS= read -r url; do
+            if [ -n "$url" ]; then
+                # Get line number where this URL appears
+                local line_num=$(grep -n "$url" "$file" | head -1 | cut -d: -f1)
+                if ! check_url "$url" "$file" "$line_num"; then
+                    failed=1
+                fi
+            fi
+        done <<< "$urls"
+    fi
+
+    # Also check for reference-style links [ref]: url
+    local ref_urls=$(grep -o '^\[.*\]: *[^ ]*' "$file" | sed 's/^\[.*\]: *//' | grep -v '^$')
+
+    if [ -n "$ref_urls" ]; then
+        while IFS= read -r url; do
+            if [ -n "$url" ]; then
+                local line_num=$(grep -n "$url" "$file" | head -1 | cut -d: -f1)
+                if ! check_url "$url" "$file" "$line_num"; then
+                    failed=1
+                fi
+            fi
+        done <<< "$ref_urls"
+    fi
+
+    return $failed
+}
+
+# Main function
+main() {
+    local files_to_check=()
+    local failed_files=0
+    local total_files=0
+
+    # If arguments provided, check those files, otherwise check all markdown files
+    if [ $# -gt 0 ]; then
+        files_to_check=("$@")
+    else
+        while IFS= read -r -d '' file; do
+            files_to_check+=("$file")
+        done < <(find content -name "*.md" -type f -print0)
+    fi
+
+    if [ ${#files_to_check[@]} -eq 0 ]; then
+        echo -e "${YELLOW}No markdown files to check.${NC}"
+        exit 0
+    fi
+
+    echo -e "${GREEN}🔗 Checking links in ${#files_to_check[@]} markdown file(s)...${NC}"
+    echo
+
+    for file in "${files_to_check[@]}"; do
+        if [ -f "$file" ]; then
+            total_files=$((total_files + 1))
+            if ! check_markdown_links "$file"; then
+                failed_files=$((failed_files + 1))
+            fi
+        else
+            echo -e "${YELLOW}⚠️  File not found: $file${NC}"
+        fi
+    done
+
+    echo
+    if [ $failed_files -eq 0 ]; then
+        echo -e "${GREEN}✅ All links are working! Checked $total_files file(s).${NC}"
+        exit 0
+    else
+        echo -e "${RED}❌ Found broken links in $failed_files file(s) out of $total_files checked.${NC}"
+        exit 1
+    fi
+}
+
+# Check if curl is available
+if ! command -v curl &> /dev/null; then
+    echo -e "${RED}❌ curl is required but not installed.${NC}"
+    echo "Please install curl to use the link checker."
+    exit 1
+fi
+
+# Check if basic grep and sed are available
+if ! command -v sed &> /dev/null; then
+    echo -e "${RED}❌ sed is required but not installed.${NC}"
+    exit 1
+fi
+
+main "$@"