Add `versions` command to the man page

Additionally, document the '--build-from-source' option for the
`install` command.

1 files changed, 8 insertions, 1 deletions

diff --git a/Library/Contributions/manpages/brew.1.md b/Library/Contributions/manpages/brew.1.md
index 533937284..e4ae0b1fd 100644
--- a/Library/Contributions/manpages/brew.1.md
+++ b/Library/Contributions/manpages/brew.1.md
@@ -116,7 +116,7 @@ For the full command list, see the COMMANDS section.
   * `info` <URL>:
     Print the name and version that will be detected for <URL>.
 
-  * `install [--force] [--debug] [--ignore-dependencies] [--use-clang] [--use-gcc] [--use-llvm] [--HEAD]` <formula>:
+  * `install [--force] [--debug] [--ignore-dependencies] [--use-clang] [--use-gcc] [--use-llvm] [--build-from-source] [--HEAD]` <formula>:
     Install <formula>.
 
     <formula> is usually the name of the formula to install, but may also be
@@ -141,6 +141,9 @@ For the full command list, see the COMMANDS section.
     If `--use-llvm` is passed, attempt to compile using the LLVM front-end to GCC.
     *NOTE*: Not all formulae will build with LLVM.
 
+    If `--build-from-source` is passed, compile from source even if a bottle
+    is provided for <formula>.
+
     If `--HEAD` is passed, and <formula> defines it, install the HEAD version,
     aka master, trunk, unstable, dev.
 
@@ -233,6 +236,10 @@ For the full command list, see the COMMANDS section.
 
     If `--installed` is passed, only lists installed formulae.
 
+  * `versions` <formulae>:
+    List previous versions of <formulae>, along with a command to checkout
+    each version.
+
   * `which` [<formulae>]:
     List versions of installed brews.