feat(check_for_request): inform number of concurrent pull requests

scripts/pre-push.d/check_for_request.sh

@@ -0,0 +1,117 @@
+#!/bin/sh
+set -eu
+
+# REMOTE_NAME="$1" # This argument remains unused in the logic below
+REMOTE_URL="$2"
+
+parsed_output=$(echo "$REMOTE_URL" | awk '
+{
+    url = $0
+    host = ""
+    path = ""
+
+    # Handle SCP-like syntax: user@host:path/repo.git
+    # Match user@hostname:path_part
+    if (match(url, /@([^:]+):(.*)/)) {
+        # Extract host (part between @ and :)
+        host_part = url
+        sub(/:.*/, "", host_part) # Keep only user@host
+        sub(/^[^@]+@/, "", host_part) # Keep only host
+        host = host_part
+
+        # Extract path (part after :)
+        path_part = url
+        sub(/^[^:]+:/, "", path_part) # Keep only path
+        path = path_part
+    }
+    # Handle standard URL syntax: scheme://user@host[:port]/path/repo.git
+    # Match :// followed by host part (non-slash) / path part
+    else if (match(url, /:\/\/([^/]+)\/(.*)/)) {
+        # Extract host part (might include user@ and :port)
+        host_part = url
+        sub(/^[^:]+:\/\//, "", host_part) # Remove scheme://
+        sub(/\/.*/, "", host_part)        # Remove path onwards (/...)
+
+        # Isolate host from user@host[:port]
+        sub(/^[^@]+@/, "", host_part)     # Remove user@ prefix if present
+        sub(/:[0-9]+$/, "", host_part)    # Remove :port suffix if present
+        host = host_part
+
+        # Extract path part
+        path_part = url
+        # Keep only the part after the first slash following the scheme://host
+        sub(/^[^:]+:\/\/[^/]+\//, "", path_part)
+        path = path_part
+    } else {
+         # Fallback: Cannot determine host/path from format
+         path = url # Treat whole input as path
+         host = ""  # Host unknown
+    }
+
+    # Clean path: Remove trailing .git if present
+    sub(/\.git$/, "", path)
+    # Clean path: Remove leading slash if present (important for API URL construction)
+    sub(/^\//, "", path)
+
+    # Output host and path separated by a pipe "|"
+    print host "|" path
+}')
+
+host=$(echo "$parsed_output" | cut -d'|' -f1)
+path=$(echo "$parsed_output" | cut -d'|' -f2-)
+
+# Check if hostname extraction was successful
+if [ -z "$host" ]; then
+    echo "Error(awk): Could not extract hostname from URL: $REMOTE_URL" >&2
+    # Exit code 6: Hostname extraction failed
+    exit 6
+fi
+
+api_url="https://${host}/api/v1/repos/${path}"
+count=""
+api_response=""
+
+# Make the API call. Handle potential curl errors gracefully with set -e.
+api_response=$(curl --fail -s "$api_url" -H 'accept: application/json' || echo "curl_error")
+
+if [ "$api_response" != "curl_error" ] && [ -n "$api_response" ]; then
+    count=$(echo "$api_response" | awk '
+    BEGIN { result = "awk_error" } # Default value if parsing fails
+    {
+        # Try to match the key, colon, and a number
+        if (match($0, /"open_pr_counter"[[:space:]]*:[[:space:]]*[0-9]+/)) {
+            matched_part = substr($0, RSTART, RLENGTH)
+            gsub(/[^0-9]/, "", matched_part) # Remove non-digits
+            if (matched_part != "") {
+                result = matched_part
+                exit # Found it
+            }
+        }
+    }
+    END { print result } # Print the found number or "awk_error"
+    ')
+elif [ "$api_response" = "curl_error" ]; then
+    echo "Error(curl): Failed fetching or received error from API: $api_url" >&2
+    exit 5
+else
+    echo "Warning: Received empty response from API (but no HTTP error): $api_url" >&2
+    count="awk_error"
+fi
+
+case "$count" in
+    awk_error|curl_error)
+         echo "Warning: Could not determine open PR count (API/parse error)." >&2
+         ;;
+    *[!0-9]*)
+         echo "Warning: Invalid non-numeric count value obtained: '$count'." >&2
+         ;;
+    0)
+         # Count is 0, optionally print confirmation
+         # echo "Info: Repository has 0 open pull requests."
+         ;;
+    *)
+         echo "Remote repository ($host/$path) has $count open pull requests."
+         ;;
+esac
+
+exit 0