git-show

This is essentially 'git whatchanged -n1 --always --cc "$@"'.
Just like whatchanged takes default flags from
whatchanged.difftree configuration, this uses show.difftree
configuration.

Signed-off-by: Junio C Hamano <junkio@cox.net>

1 files changed, 14 insertions, 4 deletions

diff --git a/git-whatchanged.sh b/git-whatchanged.sh
index d4f985b5eb..574fc3558e 100755
--- a/git-whatchanged.sh
+++ b/git-whatchanged.sh
@@ -5,14 +5,24 @@ SUBDIRECTORY_OK='Yes'
 . git-sh-setup
 
 diff_tree_flags=$(git-rev-parse --sq --no-revs --flags "$@") || exit
+case "$0" in
+*whatchanged)
+	count=
+	test -z "$diff_tree_flags" &&
+		diff_tree_flags=$(git-repo-config --get whatchanged.difftree)
+	diff_tree_default_flags='-M --abbrev' ;;
+*show)
+	count=-n1
+	test -z "$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}