aliases: Make aliases tolerant to main branch in git

.bash_aliases

@@ -77,18 +77,22 @@ alias vpn="sudo openvpn --config $HOME/Nextcloud/#\ -\ Configs/rguiheneuf.ovpn"
 
 alias gs='git status'
 alias gc='git checkout'
-alias gcm='git checkout master'
 alias gpl='git pull'
 alias gph='git push'
 alias gsu='git submodule update --init'
 alias gcp='git cherry-pick'
 
+function gcm {
+  ( git rev-parse --verify origin/master > /dev/null 2>&1 ) && git checkout master
+  ( git rev-parse --verify origin/main   > /dev/null 2>&1 ) && git checkout main
+}
+
 alias add='git add'
 alias commit='git commit -m "To fixup"'
 alias cont='git rebase --continue'
 
 # Git cleaners
-alias branch_clean='git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d'
+alias branch_clean='git branch --merged | egrep -v "(^\*|master|main|dev)" | xargs git branch -d'
 alias tag_clean='git tag -l | xargs git tag -d && git fetch -t'
 
 function git_parent {
@@ -152,13 +156,16 @@ function grbm {
   # Save current branch
   BRANCH=$(git branch | grep \* | cut -d ' ' -f2)
 
-  # Checkout master & pull
-  git checkout master
+  # Checkout master/main & pull
+  gcm
   git pull
 
+  # Save parent branch
+  PARENT=$(git branch | grep \* | cut -d ' ' -f2)
+
   # Back to previous branch
   git checkout ${BRANCH}
-  git rebase --interactive master
+  git rebase --interactive ${PARENT}
 }
 
 function grbi {
@@ -189,8 +196,16 @@ function ga {
 }
 
 function gam {
-  git autofixup master
-  git rebase --interactive --autosquash master
+  # Checkout master/main & pull
+  gcm
+
+  # Save parent branch
+  PARENT=$(git branch | grep \* | cut -d ' ' -f2)
+
+  git checkout -
+
+  git autofixup ${PARENT}
+  git rebase --interactive --autosquash ${PARENT}
 }
 
 function gai {