From eaebcad4750c34f84e2ef7c1c6635b85b768a56b Mon Sep 17 00:00:00 2001
From: Lectom C Han <hchy0730@gmail.com>
Date: Mon, 22 Dec 2025 18:17:13 +0900
Subject: [PATCH] =?UTF-8?q?=EC=86=8C=EC=8A=A4=20=EB=B8=8C=EB=9F=B0?=
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---
 .gitea/workflows/backup.yml | 25 +++++++++++++++++++++----
 1 file changed, 21 insertions(+), 4 deletions(-)

diff --git a/.gitea/workflows/backup.yml b/.gitea/workflows/backup.yml
index eb9cab4..b8e2c68 100644
--- a/.gitea/workflows/backup.yml
+++ b/.gitea/workflows/backup.yml
@@ -400,14 +400,19 @@ jobs:
             notify_status "start" "${repo_name}" "${branch_name}" "${backup_mode}" "${start_epoch}" "" "${heads_detail}"
 
             exec_start_epoch=$(date +%s)
+            SOURCE_FETCH_REMOTE="${SOURCE_SSH_HOST}:${source_repo}"
             shallow_exclude_args=()
             if ${repo_exists} && [[ -n "${target_commit:-}" ]] && [[ "${USE_SHALLOW_EXCLUDE}" != "false" ]]; then
-              shallow_exclude_args=(--shallow-exclude="${target_commit}")
+              commit_on_source=$(git ls-remote "${SOURCE_FETCH_REMOTE}" "${target_commit}" || true)
+              if [[ -n "${commit_on_source}" ]]; then
+                shallow_exclude_args=(--shallow-exclude="${target_commit}")
+              else
+                echo "::notice::Target commit ${target_commit} not found on source; skipping shallow-exclude."
+              fi
             fi
 
             CLONE_DIR=$(mktemp -d)
             echo "Working directory: ${CLONE_DIR}"
-            SOURCE_FETCH_REMOTE="${SOURCE_SSH_HOST}:${source_repo}"
             if ${just_created}; then
               echo "Target repo newly created; cloning source branch for initial push..."
               if ! git clone --bare --no-tags --single-branch --branch "${branch_name}" "${SOURCE_FETCH_REMOTE}" "${CLONE_DIR}"; then
@@ -546,13 +551,25 @@ jobs:
           fi
 
       - name: Build markdown report
-        if: always() && hashFiles('backup_reports/report_*.md') != ''
+        if: always()
         run: |
           set -euo pipefail
           REPORT_DIR="${REPORT_DIR:-${GITHUB_WORKSPACE}/backup_reports}"
           TS="${REPORT_TS:-}"
           if [[ -z "${TS}" ]]; then
-            TS=$(ls -t ${REPORT_DIR}/decisions_*.log 2>/dev/null | head -1 | sed -E 's/.*decisions_([0-9_]+)\.log/\1/')
+            shopt -s nullglob
+            decision_files=(${REPORT_DIR}/decisions_*.log)
+            if (( ${#decision_files[@]} == 0 )); then
+              echo "No decision logs found in ${REPORT_DIR}; skipping report generation."
+              exit 0
+            fi
+            IFS=$'\n' decision_files_sorted=($(ls -1t "${decision_files[@]}"))
+            shopt -u nullglob
+            TS=$(basename "${decision_files_sorted[0]}" | sed -E 's/decisions_([0-9_]+)\.log/\1/')
+          fi
+          if [[ -z "${TS}" ]]; then
+            echo "Unable to determine report timestamp; skipping report generation."
+            exit 0
           fi
           DECISIONS_LOG="${REPORT_DIR}/decisions_${TS}.log"
           TIMINGS_LOG="${REPORT_DIR}/timings_${TS}.log"