3 USAGE
='[start|bad|good|next|reset|visualize]'
4 LONG_USAGE
='git bisect start [<pathspec>] reset bisect state and start bisection.
5 git bisect bad [<rev>] mark <rev> a known-bad revision.
6 git bisect good [<rev>...] mark <rev>... known-good revisions.
7 git bisect next find next bisection to test and check it out.
8 git bisect reset [<branch>] finish bisection search and go back to branch.
9 git bisect visualize show bisect status in gitk.
10 git bisect replay <logfile> replay bisection log
11 git bisect log show bisect log.'
18 s/'\''/'\'\\\\\'\''/g;
26 test -d "$GIT_DIR/refs/bisect" ||
{
27 echo >&2 'You need to start by "git bisect start"'
30 echo >&2 -n 'Do you want me to do it for you [Y/n]? '
45 # Verify HEAD. If we were bisecting before this, reset to the
46 # top-of-line master first!
48 head=$
(GIT_DIR
="$GIT_DIR" git-symbolic-ref HEAD
) ||
49 die
"Bad HEAD - I need a symbolic ref"
52 git checkout master ||
exit
57 die
"Bad HEAD - strange symbolic ref"
62 # Get rid of any old bisect state
64 rm -f "$GIT_DIR/refs/heads/bisect"
65 rm -rf "$GIT_DIR/refs/bisect/"
66 mkdir
"$GIT_DIR/refs/bisect"
68 printf "git-bisect start"
70 } >"$GIT_DIR/BISECT_LOG"
71 sq "$@" >"$GIT_DIR/BISECT_NAMES"
78 rev=$
(git-rev-parse
--verify HEAD
) ;;
80 rev=$
(git-rev-parse
--verify "$1") ;;
84 echo "$rev" >"$GIT_DIR/refs/bisect/bad"
85 echo "# bad: "$
(git-show-branch
$rev) >>"$GIT_DIR/BISECT_LOG"
86 echo "git-bisect bad $rev" >>"$GIT_DIR/BISECT_LOG"
93 0) revs
=$
(git-rev-parse
--verify HEAD
) ||
exit ;;
94 *) revs
=$
(git-rev-parse
--revs-only --no-flags "$@") &&
95 test '' != "$revs" || die
"Bad rev input: $@" ;;
99 rev=$
(git-rev-parse
--verify "$rev") ||
exit
100 echo "$rev" >"$GIT_DIR/refs/bisect/good-$rev"
101 echo "# good: "$
(git-show-branch
$rev) >>"$GIT_DIR/BISECT_LOG"
102 echo "git-bisect good $rev" >>"$GIT_DIR/BISECT_LOG"
107 bisect_next_check
() {
109 test -f "$GIT_DIR/refs/bisect/bad" &&
110 case "$(cd "$GIT_DIR" && echo refs/bisect/good-*)" in
111 refs
/bisect
/good-\
*) ;;
114 case "$next_ok,$1" in
117 echo >&2 'You need to give me at least one good and one bad revisions.'
125 bisect_next_check
&& bisect_next ||
:
129 case "$#" in 0) ;; *) usage
;; esac
131 bisect_next_check fail
132 bad
=$
(git-rev-parse
--verify refs
/bisect
/bad
) &&
133 good
=$
(git-rev-parse
--sq --revs-only --not \
134 $
(cd "$GIT_DIR" && ls refs
/bisect
/good-
*)) &&
135 rev=$
(eval "git-rev-list --bisect $good $bad -- $(cat $GIT_DIR/BISECT_NAMES)") ||
exit
136 if [ -z "$rev" ]; then
137 echo "$bad was both good and bad"
140 if [ "$rev" = "$bad" ]; then
141 echo "$rev is first bad commit"
142 git-diff-tree
--pretty $rev
145 nr
=$
(eval "git-rev-list $rev $good -- $(cat $GIT_DIR/BISECT_NAMES)" |
wc -l) ||
exit
146 echo "Bisecting: $nr revisions left to test after this"
147 echo "$rev" > "$GIT_DIR/refs/heads/new-bisect"
148 git checkout new-bisect ||
exit
149 mv "$GIT_DIR/refs/heads/new-bisect" "$GIT_DIR/refs/heads/bisect" &&
150 GIT_DIR
="$GIT_DIR" git-symbolic-ref HEAD refs
/heads
/bisect
151 git-show-branch
"$rev"
155 bisect_next_check fail
156 not
=`cd "$GIT_DIR/refs" && echo bisect/good-*`
157 eval gitk bisect
/bad
--not $not -- $
(cat "$GIT_DIR/BISECT_NAMES")
163 1) test -f "$GIT_DIR/refs/heads/$1" ||
{
164 echo >&2 "$1 does not seem to be a valid branch"
171 git checkout
"$branch" &&
172 rm -fr "$GIT_DIR/refs/bisect"
173 rm -f "$GIT_DIR/refs/heads/bisect"
174 rm -f "$GIT_DIR/BISECT_LOG"
179 echo >&2 "cannot read $1 for replaying"
183 while read bisect
command rev
185 test "$bisect" = "git-bisect" ||
continue
188 cmd
="bisect_start $rev"
192 echo "$rev" >"$GIT_DIR/refs/bisect/good-$rev"
193 echo "# good: "$
(git-show-branch
$rev) >>"$GIT_DIR/BISECT_LOG"
194 echo "git-bisect good $rev" >>"$GIT_DIR/BISECT_LOG"
197 echo "$rev" >"$GIT_DIR/refs/bisect/bad"
198 echo "# bad: "$
(git-show-branch
$rev) >>"$GIT_DIR/BISECT_LOG"
199 echo "git-bisect bad $rev" >>"$GIT_DIR/BISECT_LOG"
202 echo >&2 "?? what are you talking about?"
223 # Not sure we want "next" at the UI level anymore.
226 bisect_visualize
"$@" ;;
230 bisect_replay
"$@" ;;
232 cat "$GIT_DIR/BISECT_LOG" ;;