diff --git a/git_checkout_master_pull_all_submodules.sh b/git_checkout_master_pull_all_submodules.sh
index ead4da07..0defe52e 100755
--- a/git_checkout_master_pull_all_submodules.sh
+++ b/git_checkout_master_pull_all_submodules.sh
@@ -1,6 +1,8 @@
 #!/bin/bash -e
 git pull # you forget this
-# ugh
-# master=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main)
 # git submodule foreach --recursive 'git checkout master; git pull origin master:master; :'
-git submodule foreach --recursive 'git checkout master; git pull origin master:master; :'
+git submodule foreach --recursive '
+  branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+  git checkout $branch;
+  git pull origin $branch:$branch;
+'
diff --git a/git_checkout_master_pull_all_submodules_parallel.sh b/git_checkout_master_pull_all_submodules_parallel.sh
index 0dc51abf..2412d8c2 100755
--- a/git_checkout_master_pull_all_submodules_parallel.sh
+++ b/git_checkout_master_pull_all_submodules_parallel.sh
@@ -1,4 +1,9 @@
 #!/bin/bash -e
 git pull &
-git submodule foreach --recursive 'git checkout master; git pull origin master:master & :'
+# git submodule foreach --recursive 'git checkout master; git pull origin master:master & :'
+git submodule foreach --recursive '
+  branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+  git checkout $branch;
+  git pull origin $branch:$branch & :
+'
 wait
diff --git a/git_checkout_master_push_all_submodules.sh b/git_checkout_master_push_all_submodules.sh
index 23c39ea4..727507e4 100755
--- a/git_checkout_master_push_all_submodules.sh
+++ b/git_checkout_master_push_all_submodules.sh
@@ -5,6 +5,12 @@
 # git submodule foreach --recursive 'git checkout master && git push origin master & :'
 
 # debug, stop at first failure
-git submodule foreach --recursive 'git checkout master && git push origin master'
-
-git push origin master
+# git submodule foreach --recursive 'git checkout master && git push origin master'
+git submodule foreach --recursive '
+  branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+  git checkout $branch;
+  git push origin $branch;
+'
+# branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+# git push origin $branch
+git push origin
diff --git a/git_checkout_master_push_all_submodules_parallel.sh b/git_checkout_master_push_all_submodules_parallel.sh
index ba1b6835..49512cac 100755
--- a/git_checkout_master_push_all_submodules_parallel.sh
+++ b/git_checkout_master_push_all_submodules_parallel.sh
@@ -1,4 +1,11 @@
 #!/bin/bash -e
-git submodule foreach --recursive 'git checkout master && git push origin master & :'
-git push origin master
+# git submodule foreach --recursive 'git checkout master && git push origin master & :'
+git submodule foreach --recursive '
+  branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+  git checkout $branch;
+  git push origin $branch & :
+'
+# branch=$(git rev-parse --verify master 2>/dev/null 1>&2 && echo master || echo main);
+# git push origin $branch
+git push origin
 wait
diff --git a/my-gym b/my-gym
index 2c2f89c4..fc75a8f6 160000
--- a/my-gym
+++ b/my-gym
@@ -1 +1 @@
-Subproject commit 2c2f89c4bc72f18d4b970a4bc099893837b3129e
+Subproject commit fc75a8f65b27beec5e4e03b805e61a3785ed0081
diff --git a/mybin b/mybin
index 887277f4..5dd1bc78 160000
--- a/mybin
+++ b/mybin
@@ -1 +1 @@
-Subproject commit 887277f48772b50653584c7ccc4a718ce3946fef
+Subproject commit 5dd1bc78b97375d0d84f3964d7cd0be8dfd96788