fix: improve issue extraction logic and ensure correct output file path (#1015)

Co-authored-by: Mateusz Wasilewski <50197777+mawasile@users.noreply.github.com>

Author: polatengin

scripts/user_story_prompt.sh

@@ -1,4 +1,5 @@
 #!/bin/bash
+set -euo pipefail
 
 # Check if gh CLI is installed
 if ! command -v gh &> /dev/null; then
@@ -10,6 +11,8 @@ fi
 current_branch=$(git branch --show-current)
 echo "Current branch: $current_branch"
 
+repo_root=$(git rev-parse --show-toplevel)
+
 # Try to extract issue number from branch name
 # Common patterns: issue-123, 123-description, feature/123-description
 issue_number=""
@@ -25,18 +28,14 @@ fi
 # If no issue found in branch name, try to get the PR that this branch is for
 if [[ -z "$issue_number" ]]; then
     echo "Trying to find associated PR for this branch..."
-    pr_data=$(gh pr list --head "$current_branch" --json number --limit 1 2>/dev/null)
-    
-    if [[ -n "$pr_data" && "$pr_data" != "[]" ]]; then
-        pr_number=$(echo "$pr_data" | grep -o '"number":[0-9]*' | grep -o '[0-9]*')
-        if [[ -n "$pr_number" ]]; then
-            echo "Found PR #$pr_number, checking for linked issues..."
-            issue_data=$(gh pr view "$pr_number" --json closingIssues --jq '.closingIssues[0].number' 2>/dev/null)
-            if [[ -n "$issue_data" && "$issue_data" != "null" ]]; then
-                issue_number=$issue_data
-            fi
-        fi
+  pr_number=$(gh pr list --head "$current_branch" --json number --limit 1 --jq '.[0].number // empty' 2>/dev/null || true)
+  if [[ -n "$pr_number" ]]; then
+    echo "Found PR #$pr_number, checking for linked issues..."
+    issue_data=$(gh pr view "$pr_number" --json closingIssuesReferences --jq '.closingIssues[0].number // empty' 2>/dev/null || true)
+    if [[ -n "$issue_data" ]]; then
+      issue_number=$issue_data
     fi
+  fi
 fi
 
 # If still no issue found, ask user
@@ -55,10 +54,10 @@ fi
 echo "Using issue number: $issue_number"
 
 # Create the directory if it doesn't exist
-mkdir -p "/workspaces/terraform-provider-power-platform/.github/prompts"
+mkdir -p "$repo_root/.github/prompts"
 
 # Use gh CLI to get the issue content and save it to file
-output_file="/workspaces/terraform-provider-power-platform/.github/prompts/.userstory.prompt.md"
+output_file="$repo_root/.github/prompts/.userstory.prompt.md"
 if gh issue view "$issue_number" > "$output_file" 2>/dev/null; then
     echo "Successfully saved issue #$issue_number to $output_file"
     echo "Path: $output_file"