tools/tsflower: Detach while running git am

This makes the reflog for the tsflower branch more useful, by avoiding spamming it up on unpack with an entry for each patch.
zulip · Jul 14, 2022 · 6aaf9c5 · 6aaf9c5
1 parent 4e6834d
commit 6aaf9c5
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/tools/tsflower b/tools/tsflower
@@ -341,8 +341,10 @@ EOF
     unapply_patches
     git commit -am 'tsflower: Revert patches'
 
-    git checkout --quiet -B "${branchname}"
+    git checkout --quiet --detach
     git am --quiet --whitespace=nowarn -p0 --keep "${patch_dir}"/*.patch
+    git checkout --quiet -B "${branchname}"
+    git branch --set-upstream-to "${basebranch}"
 
     if [ -z "${shortcut}" ]; then
         git checkout --quiet "${basebranch}"