git: u: update current branch

etc/soft/git/gitconfig

@@ -38,7 +38,7 @@
 	st = status
 
 	p = pull
-	u = push origin master
+	u = "!echo git push origin $(git rev-parse --abbrev-ref HEAD)"
 
 	co = checkout
 
@@ -59,7 +59,7 @@
 	# http://gitboard.net
 	board = !gitboard 2>&-
 
-	url = !git remote -v | grep fetch | grep -o 'https.* ' | xargs xdg-open 
+	url = !git remote -v | grep fetch | grep -o 'https.* '
 
 	hub = "!github_clone() { git clone git://github.com/${1}.git; }; github_clone"
 	nb  = "!github_clone() { git clone https://notabug.org/${1}.git; }; github_clone"