git-rebase -i: clean-up error check codepath.

diff --git a/git-bisect.sh b/git-bisect.sh
index 414f813be72003c81cbe53eddaa8ab7dc6c2de64..5385249890698632dedcaf8dda03d865f66abca9 100755 (executable)
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -22,6 +22,7 @@ git bisect log
 git bisect run <cmd>...
         use <cmd>... to automatically bisect.'
 
+OPTIONS_SPEC=
 . git-sh-setup
 require_work_tree
 
@@ -323,11 +324,30 @@ bisect_next() {
 
 bisect_visualize() {
        bisect_next_check fail
+
+       if test $# = 0
+       then
+               case "${DISPLAY+set}" in
+               '')     set git log ;;
+               set)    set gitk ;;
+               esac
+       else
+               case "$1" in
+               git*|tig) ;;
+               -*)     set git log "$@" ;;
+               *)      set git "$@" ;;
+               esac
+       fi
+
        not=$(git for-each-ref --format='%(refname)' "refs/bisect/good-*")
-       eval gitk refs/bisect/bad --not $not -- $(cat "$GIT_DIR/BISECT_NAMES")
+       eval '"$@"' refs/bisect/bad --not $not -- $(cat "$GIT_DIR/BISECT_NAMES")
 }
 
 bisect_reset() {
+       test -f "$GIT_DIR/BISECT_NAMES" || {
+               echo "We are not bisecting."
+               return
+       }
        case "$#" in
        0) if [ -s "$GIT_DIR/head-name" ]; then
               branch=`cat "$GIT_DIR/head-name"`
@@ -444,7 +464,7 @@ case "$#" in
     next)
         # Not sure we want "next" at the UI level anymore.
         bisect_next "$@" ;;
-    visualize)
+    visualize|view)
        bisect_visualize "$@" ;;
     reset)
         bisect_reset "$@" ;;