functions: add retry function

functions.sh

@@ -290,8 +290,17 @@ fvim() {
     fi
 }
 
+# retry command until it succeeds (waiting one second or $RETRY_INTERVAL)
+function retry() {
+    local _retry_interval
+    if [[ -z "$RETRY_INTERVAL" ]]; then _retry_interval=1; else _retry_interval=$RETRY_INTERVAL; fi
+    until $@; do sleep $RETRY_INTERVAL; done
+}
+
+# Creats a gitignore for the given argument (e.g. python, cpp, etc)
+function gi() { curl -sL https://www.toptal.com/developers/gitignore/api/$@; }
+
 # dotfiles user functions
 if [[ -f $HOME/.dotfiles_functions ]]; then
     source "$HOME/.dotfiles_functions"
 fi
-function gi() { curl -sL https://www.toptal.com/developers/gitignore/api/$@ ;}