1 files changed, 35 insertions, 0 deletions
diff --git a/update-packages b/update-packages
new file mode 100755
index 0000000..3df1022
--- /dev/null
+++ b/update-packages
@@ -0,0 +1,35 @@
+#!/bin/bash
+
+if [ $# -eq 0 ]; then
+  [ -f "$0.lock" ] && kill -0 $(cat "$0.lock") && exit
+  echo $$ > "$0.lock"
+  GIT="git -C ${HOME}/.backend/archlinuxewe"
+  $GIT pull --rebase >/dev/null
+  $GIT submodule update >/dev/null
+  commit=$($GIT rev-parse HEAD)
+  if ! grep -qxF "${commit}" "$0.commit"; then
+    $GIT diff "$(cat "$0.commit")" "${commit}" --name-status \
+    | sed -n '
+      s/^[AM]\s\+//
+      T
+      s@/PKGBUILD$@@
+      p
+    ' \
+    | parallel -j50 "$0"
+  fi
+  "${0%/*}/package-status" > "${0%/*}/packages"
+  echo "$commit" > "$0.commit"
+  rm "$0.lock"
+  exit
+fi
+
+if [ $# -gt 1 ]; then
+  >&2 echo 'too many arguments'
+  exit 1
+fi
+
+cd "${HOME}/.backend/archlinuxewe/$1"
+if git archive HEAD -- .SRCINFO >/dev/null 2>&1; then
+  exit
+fi
+makepkg --printsrcinfo > .SRCINFO