Say when --track is useful in the git-checkout docs.

diff --git a/git-am.sh b/git-am.sh
index b5ed8ca15c9811ccd87b6d81a82ca301736f0b66..32c46d7ed4b26220f4c9e7fc778bb240c85dae1c 100755 (executable)
--- a/git-am.sh
+++ b/git-am.sh
@@ -2,8 +2,10 @@
 #
 # Copyright (c) 2005, 2006 Junio C Hamano
 
-USAGE='[--signoff] [--dotest=<dir>] [--utf8 | --no-utf8] [--binary] [--3way]
-  [--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
+USAGE='[--signoff] [--dotest=<dir>] [--keep] [--utf8 | --no-utf8]
+  [--3way] [--interactive] [--binary]
+  [--whitespace=<option>] [-C<n>] [-p<n>]
+  <mbox>|<Maildir>...
   or, when resuming [--skip | --resolved]'
 . git-sh-setup
 set_reflog_action am
@@ -60,10 +62,8 @@ fall_back_3way () {
     mkdir "$dotest/patch-merge-tmp-dir"
 
     # First see if the patch records the index info that we can use.
-    git apply -z --index-info "$dotest/patch" \
-       >"$dotest/patch-merge-index-info" &&
-    GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
-    git update-index -z --index-info <"$dotest/patch-merge-index-info" &&
+    git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
+       "$dotest/patch" &&
     GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
     git write-tree >"$dotest/patch-merge-base+" ||
     cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."
@@ -107,7 +107,7 @@ dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary=
 resolvemsg= resume=
 git_apply_opt=
 
-while case "$#" in 0) break;; esac
+while test $# != 0
 do
        case "$1" in
        -d=*|--d=*|--do=*|--dot=*|--dote=*|--dotes=*|--dotest=*)