SUBDIRECTORY_OK='Yes'
. git-sh-setup
-diff_tree_flags=$(git-rev-parse --sq --no-revs --flags "$@")
+diff_tree_flags=$(git-rev-parse --sq --no-revs --flags "$@") || exit
+case "$0" in
+*whatchanged)
+ count=
+ test -z "$diff_tree_flags" &&
+ diff_tree_flags=$(git-repo-config --get whatchanged.difftree)
+ diff_tree_default_flags='-c -M --abbrev' ;;
+*show)
+ count=-n1
+ test -z "$diff_tree_flags" &&
+ diff_tree_flags=$(git-repo-config --get show.difftree)
+ diff_tree_default_flags='--cc --always' ;;
+esac
test -z "$diff_tree_flags" &&
- diff_tree_flags=$(git-repo-config --get whatchanged.difftree)
-test -z "$diff_tree_flags" &&
- diff_tree_flags='-M --abbrev'
+ diff_tree_flags="$diff_tree_default_flags"
rev_list_args=$(git-rev-parse --sq --default HEAD --revs-only "$@") &&
diff_tree_args=$(git-rev-parse --sq --no-revs --no-flags "$@") &&
-eval "git-rev-list $rev_list_args" |
+eval "git-rev-list $count $rev_list_args" |
eval "git-diff-tree --stdin --pretty -r $diff_tree_flags $diff_tree_args" |
LESS="$LESS -S" ${PAGER:-less}