updating docs

diff --git a/usage.txt b/usage.txt
index 9203960878c178dc2761a7eee953286b2525d800..aa159af05c14703746b43b0069759b03d8f5d2b1 100644 (file)
--- a/usage.txt
+++ b/usage.txt
@@ -34,7 +34,9 @@ commands to manage a specific project
                force a bulid of the specified project
                note: this does not implicity update
                $ pushd "$BCI_HOME/projects/<name>/repo"
-               $ #there needs to be a build command in the config file telling us how to actually build this fucker.
+               $ source "$BCI_HOME/projects/<name>/config" #this must contain build_command=...
+               $ : ${build_command:?"don't know how to build this project"}
+               $ $(build_command)
        TODO: be nice if something like this were to exist at some point
                bci config <name> <prop-name> <prop-value>
                        set config option for a bci project named <name>