Add support for pushing custom git repositories (#574)

config.example.toml

@@ -116,17 +116,31 @@
 
 [git]
 #max_concurrency = 5
-# Additional git repositories to pull
+# Git repositories that you want to pull and push
 #repos = [
 #    "~/src/*/",
 #    "~/.config/something"
 #]
 
+# Repositories that you only want to pull
+#pull_only_repos = [
+#    "~/.config/something_else"
+#]
+
+# Repositories that you only want to push
+#push_only_repos = [
+#    "~/src/*/",
+#    "~/.config/something_third"
+#]
+
 # Don't pull the predefined git repos
 #pull_predefined = false
 
-# Arguments to pass Git when pulling Repositories
-#arguments = "--rebase --autostash"
+# Arguments to pass Git when pulling repositories
+#pull_arguments = "--rebase --autostash"
+
+# Arguments to pass Git when pushing repositories
+#push_arguments = "--all"
 
 [windows]
 # Manually select Windows updates