fix(git): pass explicit repo to Gitea wrappers

packages/mosaic/framework/tools/git/pr-diff.sh

@@ -1,6 +1,6 @@
 #!/bin/bash
 # pr-diff.sh - Get the diff for a pull request on GitHub or Gitea
-# Usage: pr-diff.sh -n <pr_number> [-o <output_file>]
+# Usage: pr-diff.sh -n <pr_number> [-r owner/repo] [-o <output_file>]
 
 set -e
 
@@ -10,6 +10,7 @@ source "$SCRIPT_DIR/detect-platform.sh"
 # Parse arguments
 PR_NUMBER=""
 OUTPUT_FILE=""
+REPO_OVERRIDE=""
 
 while [[ $# -gt 0 ]]; do
     case $1 in
@@ -21,11 +22,16 @@ while [[ $# -gt 0 ]]; do
             OUTPUT_FILE="$2"
             shift 2
             ;;
+        -r|--repo)
+            REPO_OVERRIDE="$2"
+            shift 2
+            ;;
         -h|--help)
-            echo "Usage: pr-diff.sh -n <pr_number> [-o <output_file>]"
+            echo "Usage: pr-diff.sh -n <pr_number> [-r owner/repo] [-o <output_file>]"
             echo ""
             echo "Options:"
             echo "  -n, --number   PR number (required)"
+            echo "  -r, --repo     Repository slug (default: infer from git origin)"
             echo "  -o, --output   Output file (optional, prints to stdout if omitted)"
             echo "  -h, --help     Show this help"
             exit 0
@@ -42,31 +48,30 @@ if [[ -z "$PR_NUMBER" ]]; then
     exit 1
 fi
 
-detect_platform > /dev/null
+if [[ -n "$REPO_OVERRIDE" ]]; then
+    REPO_INFO="$REPO_OVERRIDE"
+    PLATFORM=$(detect_platform 2>/dev/null || echo gitea)
+else
+    detect_platform > /dev/null
+    REPO_INFO=$(get_repo_info)
+fi
+
+if [[ -z "$REPO_INFO" || "$REPO_INFO" == error:* ]]; then
+    echo "Error: Could not determine repository from git origin. Run from a repo or pass --repo." >&2
+    exit 1
+fi
 
 if [[ "$PLATFORM" == "github" ]]; then
     if [[ -n "$OUTPUT_FILE" ]]; then
-        gh pr diff "$PR_NUMBER" > "$OUTPUT_FILE"
+        gh pr diff "$PR_NUMBER" --repo "$REPO_INFO" --repo "$REPO_INFO" > "$OUTPUT_FILE"
     else
-        gh pr diff "$PR_NUMBER"
+        gh pr diff "$PR_NUMBER" --repo "$REPO_INFO"
     fi
 elif [[ "$PLATFORM" == "gitea" ]]; then
     # tea doesn't have a direct diff command — use the API
-    OWNER=$(get_repo_owner)
-    REPO=$(get_repo_name)
-    REMOTE_URL=$(git remote get-url origin 2>/dev/null)
+    HOST=$(get_remote_host 2>/dev/null || echo "git.mosaicstack.dev")
 
-    # Extract host from remote URL
-    if [[ "$REMOTE_URL" == https://* ]]; then
-        HOST=$(echo "$REMOTE_URL" | sed -E 's|https://([^/]+)/.*|\1|')
-    elif [[ "$REMOTE_URL" == git@* ]]; then
-        HOST=$(echo "$REMOTE_URL" | sed -E 's|git@([^:]+):.*|\1|')
-    else
-        echo "Error: Cannot determine host from remote URL" >&2
-        exit 1
-    fi
-
-    DIFF_URL="https://${HOST}/api/v1/repos/${OWNER}/${REPO}/pulls/${PR_NUMBER}.diff"
+    DIFF_URL="https://${HOST}/api/v1/repos/${REPO_INFO}/pulls/${PR_NUMBER}.diff"
 
     GITEA_API_TOKEN=$(get_gitea_token "$HOST" || true)