bisect: add quit command

git bisect quit will call git reset HEAD so that the working tree remains at the current revision

---
 Documentation/git-bisect.txt | 12 ++++++++++++
 git-bisect.sh                | 11 ++++++++++-
 2 files changed, 22 insertions(+), 1 deletion(-)

Documentation/git-bisect.txt +12 -0

index bdd915a66..de79e9e44 100644
@@ -23,6 +23,7 @@ on the subcommand:
  git bisect terms [--term-good | --term-bad]
  git bisect skip [(<rev>|<range>)...]
  git bisect reset [<commit>]
+ git bisect quit
  git bisect visualize
  git bisect replay <logfile>
  git bisect log

@@ -120,6 +121,17 @@ bad revision, while `git bisect reset HEAD` will leave you on the
 current bisection commit and avoid switching commits at all.
 
 
+Bisect quit
+~~~~~~~~~~~
+
+It's an equivalent of bisect reset but that stays at the current
+revision instead of taking your working tree to the starting revision.
+
+------------------------------------------------
+$ git bisect quit
+------------------------------------------------
+
+
 Alternate terms
 ~~~~~~~~~~~~~~~
 

git-bisect.sh +10 -2

index ae3cb013e..adbff2c69 100755
@@ -1,6 +1,6 @@
 #!/bin/sh
 
-USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|replay|log|run]'
+USAGE='[help|start|bad|good|new|old|terms|skip|next|quit|reset|visualize|replay|log|run]'
 LONG_USAGE='git bisect help
        print this long help message.
 git bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>]

@@ -20,6 +20,9 @@ git bisect next
        find next bisection to test and check it out.
 git bisect reset [<commit>]
        finish bisection search and go back to commit.
+git bisect quit
+       stop bisection on its tracks and stay on current revision.
+       Equivalent to git bisect reset HEAD
 git bisect visualize
        show bisect status in gitk.
 git bisect replay <logfile>

@@ -433,6 +436,10 @@ Try 'git bisect reset <commit>'.")"
        bisect_clean_state
 }
 
+bisect_quit() {
+       bisect_reset "HEAD"
+}
+
 bisect_clean_state() {
        # There may be some refs packed during bisection.
        git for-each-ref --format='%(refname) %(objectname)' refs/bisect/\* |

@@ -683,6 +690,8 @@ case "$#" in
                bisect_visualize "$@" ;;
        reset)
                bisect_reset "$@" ;;
+       quit)
+               bisect_quit ;;
        replay)
                bisect_replay "$@" ;;
        log)
--

2.11.0.rc1