2 files changed, 13 insertions, 1 deletions

diff --git a/bin/build-packages b/bin/build-packages
index 339a8bc..d4fc8b9 100755
--- a/bin/build-packages
+++ b/bin/build-packages
@@ -38,9 +38,10 @@ while true; do
         git -C "${repo}" clean -df
         git -C "${repo}" checkout master
         git -C "${repo}" pull
-        git -C "${repo}" checkout "${git_revision}" &> /dev/null || true
       done
 
+      git -C "${repo_paths["$(find_repository_with_commit "${git_revision}")"]}" checkout "${git_revision}" &> /dev/null
+
       PKGBUILD="$(find_pkgbuild "${package}" "${repository}")"
 
       if [ ! -r "${PKGBUILD}" ]; then
diff --git a/bin/common-functions b/bin/common-functions
index 2191d01..7b5aa18 100755
--- a/bin/common-functions
+++ b/bin/common-functions
@@ -18,3 +18,14 @@ find_pkgbuild() {
     sort | \
     tail -n1
 }
+
+find_repository_with_commit() {
+  for repository in "${!repo_paths[@]}"; do
+    if [ "$(git -C "${repo_paths["${repository}"]}" cat-file -t "$1")" == "commit" ]; then
+      echo "${repository}"
+      return 0
+    fi
+  done
+  >&2 echo "can't find repository with commit '$1'"
+  exit 1
+}