git-sh-setup.sh: add variable to use the stuck-long mode

diff --git a/Documentation/git-checkout.txt b/Documentation/git-checkout.txt
index ca118ac6bfff9f837d06de37f99f457f6d38916b..33ad2adf5ce86119e55f94fa1d29233e8caf4a67 100644 (file)
--- a/Documentation/git-checkout.txt
+++ b/Documentation/git-checkout.txt
@@ -9,7 +9,8 @@ SYNOPSIS
 --------
 [verse]
 'git checkout' [-q] [-f] [-m] [<branch>]
-'git checkout' [-q] [-f] [-m] [--detach] [<commit>]
+'git checkout' [-q] [-f] [-m] --detach [<branch>]
+'git checkout' [-q] [-f] [-m] [--detach] <commit>
 'git checkout' [-q] [-f] [-m] [[-b|-B|--orphan] <new_branch>] [<start_point>]
 'git checkout' [-f|--ours|--theirs|-m|--conflict=<style>] [<tree-ish>] [--] <paths>...
 'git checkout' [-p|--patch] [<tree-ish>] [--] [<paths>...]
@@ -62,7 +63,7 @@ that is to say, the branch is not reset/created unless "git checkout" is
 successful.
 
 'git checkout' --detach [<branch>]::
-'git checkout' <commit>::
+'git checkout' [--detach] <commit>::
 
        Prepare to work on top of <commit>, by detaching HEAD at it
        (see "DETACHED HEAD" section), and updating the index and the
@@ -71,10 +72,11 @@ successful.
        tree will be the state recorded in the commit plus the local
        modifications.
 +
-Passing `--detach` forces this behavior in the case of a <branch> (without
-the option, giving a branch name to the command would check out the branch,
-instead of detaching HEAD at it), or the current commit,
-if no <branch> is specified.
+When the <commit> argument is a branch name, the `--detach` option can
+be used to detach HEAD at the tip of the branch (`git checkout
+<branch>` would check out that branch without detaching HEAD).
++
+Omitting <branch> detaches HEAD at the tip of the current branch.
 
 'git checkout' [-p|--patch] [<tree-ish>] [--] <pathspec>...::
 
@@ -230,8 +232,8 @@ section of linkgit:git-add[1] to learn how to operate the `--patch` mode.
        commit, your HEAD becomes "detached" and you are no longer on
        any branch (see below for details).
 +
-As a special case, the `"@{-N}"` syntax for the N-th last branch
-checks out the branch (instead of detaching).  You may also specify
+As a special case, the `"@{-N}"` syntax for the N-th last branch/commit
+checks out branches (instead of detaching).  You may also specify
 `-` which is synonymous with `"@{-1}"`.
 +
 As a further special case, you may use `"A...B"` as a shortcut for the