replay bisection log.
git bisect log
show bisect log.
+git bisect skip [<rev>...]
+ mark <rev>... untestable revisions.
git bisect run <cmd>...
use <cmd>... to automatically bisect.'
# Verify HEAD. If we were bisecting before this, reset to the
# top-of-line master first!
#
- head=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD) ||
+ head=$(GIT_DIR="$GIT_DIR" git symbolic-ref HEAD) ||
die "Bad HEAD - I need a symbolic ref"
case "$head" in
refs/heads/bisect)
branch=`cat "$GIT_DIR/head-name"`
else
branch=master
- fi
+ fi
git checkout $branch || exit
;;
refs/heads/*)
arg="$1"
case "$arg" in
--)
- shift
+ shift
break
;;
*)
- rev=$(git-rev-parse --verify "$arg^{commit}" 2>/dev/null) || {
+ rev=$(git rev-parse --verify "$arg^{commit}" 2>/dev/null) || {
test $has_double_dash -eq 1 &&
die "'$arg' does not appear to be a valid revision"
break
else
bisect_write_good "$rev"
fi
- shift
+ shift
;;
esac
- done
+ done
sq "$@" >"$GIT_DIR/BISECT_NAMES"
echo "git-bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG"
bisect_autostart
case "$#" in
0)
- rev=$(git-rev-parse --verify HEAD) ;;
+ rev=$(git rev-parse --verify HEAD) ;;
1)
- rev=$(git-rev-parse --verify "$1^{commit}") ;;
+ rev=$(git rev-parse --verify "$1^{commit}") ;;
*)
usage ;;
esac || exit
bisect_write_bad() {
rev="$1"
echo "$rev" >"$GIT_DIR/refs/bisect/bad"
- echo "# bad: "$(git-show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
+ echo "# bad: "$(git show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
}
bisect_good() {
bisect_autostart
- case "$#" in
- 0) revs=$(git-rev-parse --verify HEAD) || exit ;;
- *) revs=$(git-rev-parse --revs-only --no-flags "$@") &&
+ case "$#" in
+ 0) revs=$(git rev-parse --verify HEAD) || exit ;;
+ *) revs=$(git rev-parse --revs-only --no-flags "$@") &&
test '' != "$revs" || die "Bad rev input: $@" ;;
esac
for rev in $revs
do
- rev=$(git-rev-parse --verify "$rev^{commit}") || exit
+ rev=$(git rev-parse --verify "$rev^{commit}") || exit
bisect_write_good "$rev"
echo "git-bisect good $rev" >>"$GIT_DIR/BISECT_LOG"
-
done
bisect_auto_next
}
bisect_write_good() {
rev="$1"
echo "$rev" >"$GIT_DIR/refs/bisect/good-$rev"
- echo "# good: "$(git-show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
+ echo "# good: "$(git show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
+}
+
+bisect_skip() {
+ bisect_autostart
+ case "$#" in
+ 0) revs=$(git rev-parse --verify HEAD) || exit ;;
+ *) revs=$(git rev-parse --revs-only --no-flags "$@") &&
+ test '' != "$revs" || die "Bad rev input: $@" ;;
+ esac
+ for rev in $revs
+ do
+ rev=$(git rev-parse --verify "$rev^{commit}") || exit
+ bisect_write_skip "$rev"
+ echo "git-bisect skip $rev" >>"$GIT_DIR/BISECT_LOG"
+ done
+ bisect_auto_next
+}
+
+bisect_write_skip() {
+ rev="$1"
+ echo "$rev" >"$GIT_DIR/refs/bisect/skip-$rev"
+ echo "# skip: "$(git show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
}
bisect_next_check() {
bisect_next_check && bisect_next || :
}
+filter_skipped() {
+ _eval="$1"
+ _skip="$2"
+
+ if [ -z "$_skip" ]; then
+ eval $_eval
+ return
+ fi
+
+ # Let's parse the output of:
+ # "git rev-list --bisect-vars --bisect-all ..."
+ eval $_eval | while read hash line
+ do
+ case "$VARS,$FOUND,$TRIED,$hash" in
+ # We display some vars.
+ 1,*,*,*) echo "$hash $line" ;;
+
+ # Split line.
+ ,*,*,---*) ;;
+
+ # We had nothing to search.
+ ,,,bisect_rev*)
+ echo "bisect_rev="
+ VARS=1
+ ;;
+
+ # We did not find a good bisect rev.
+ # This should happen only if the "bad"
+ # commit is also a "skip" commit.
+ ,,*,bisect_rev*)
+ echo "bisect_rev=$TRIED"
+ VARS=1
+ ;;
+
+ # We are searching.
+ ,,*,*)
+ TRIED="${TRIED:+$TRIED|}$hash"
+ case "$_skip" in
+ *$hash*) ;;
+ *)
+ echo "bisect_rev=$hash"
+ echo "bisect_tried=\"$TRIED\""
+ FOUND=1
+ ;;
+ esac
+ ;;
+
+ # We have already found a rev to be tested.
+ ,1,*,bisect_rev*) VARS=1 ;;
+ ,1,*,*) ;;
+
+ # ???
+ *) die "filter_skipped error " \
+ "VARS: '$VARS' " \
+ "FOUND: '$FOUND' " \
+ "TRIED: '$TRIED' " \
+ "hash: '$hash' " \
+ "line: '$line'"
+ ;;
+ esac
+ done
+}
+
+exit_if_skipped_commits () {
+ _tried=$1
+ if expr "$_tried" : ".*[|].*" > /dev/null ; then
+ echo "There are only 'skip'ped commit left to test."
+ echo "The first bad commit could be any of:"
+ echo "$_tried" | sed -e 's/[|]/\n/g'
+ echo "We cannot bisect more!"
+ exit 2
+ fi
+}
+
bisect_next() {
- case "$#" in 0) ;; *) usage ;; esac
+ case "$#" in 0) ;; *) usage ;; esac
bisect_autostart
bisect_next_check good
- bad=$(git-rev-parse --verify refs/bisect/bad) &&
+ skip=$(git for-each-ref --format='%(objectname)' \
+ "refs/bisect/skip-*" | tr '[\012]' ' ') || exit
+
+ BISECT_OPT=''
+ test -n "$skip" && BISECT_OPT='--bisect-all'
+
+ bad=$(git rev-parse --verify refs/bisect/bad) &&
good=$(git for-each-ref --format='^%(objectname)' \
"refs/bisect/good-*" | tr '[\012]' ' ') &&
- eval="git-rev-list --bisect-vars $good $bad --" &&
+ eval="git rev-list --bisect-vars $BISECT_OPT $good $bad --" &&
eval="$eval $(cat "$GIT_DIR/BISECT_NAMES")" &&
- eval=$(eval "$eval") &&
+ eval=$(filter_skipped "$eval" "$skip") &&
eval "$eval" || exit
if [ -z "$bisect_rev" ]; then
exit 1
fi
if [ "$bisect_rev" = "$bad" ]; then
+ exit_if_skipped_commits "$bisect_tried"
echo "$bisect_rev is first bad commit"
- git-diff-tree --pretty $bisect_rev
+ git diff-tree --pretty $bisect_rev
exit 0
fi
+ # We should exit here only if the "bad"
+ # commit is also a "skip" commit (see above).
+ exit_if_skipped_commits "$bisect_rev"
+
echo "Bisecting: $bisect_nr revisions left to test after this"
echo "$bisect_rev" >"$GIT_DIR/refs/heads/new-bisect"
git checkout -q new-bisect || exit
mv "$GIT_DIR/refs/heads/new-bisect" "$GIT_DIR/refs/heads/bisect" &&
- GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD refs/heads/bisect
- git-show-branch "$bisect_rev"
+ GIT_DIR="$GIT_DIR" git symbolic-ref HEAD refs/heads/bisect
+ git show-branch "$bisect_rev"
}
bisect_visualize() {
else
branch=master
fi ;;
- 1) git-show-ref --verify --quiet -- "refs/heads/$1" || {
+ 1) git show-ref --verify --quiet -- "refs/heads/$1" || {
echo >&2 "$1 does not seem to be a valid branch"
exit 1
}
branch="$1" ;;
- *)
+ *)
usage ;;
esac
if git checkout "$branch"; then
eval "$cmd"
;;
good)
- echo "$rev" >"$GIT_DIR/refs/bisect/good-$rev"
- echo "# good: "$(git-show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
+ bisect_write_good "$rev"
echo "git-bisect good $rev" >>"$GIT_DIR/BISECT_LOG"
;;
bad)
- echo "$rev" >"$GIT_DIR/refs/bisect/bad"
- echo "# bad: "$(git-show-branch $rev) >>"$GIT_DIR/BISECT_LOG"
+ bisect_write_bad "$rev"
echo "git-bisect bad $rev" >>"$GIT_DIR/BISECT_LOG"
;;
+ skip)
+ bisect_write_skip "$rev"
+ echo "git-bisect skip $rev" >>"$GIT_DIR/BISECT_LOG"
+ ;;
*)
echo >&2 "?? what are you talking about?"
exit 1 ;;
bisect_bad "$@" ;;
good)
bisect_good "$@" ;;
+ skip)
+ bisect_skip "$@" ;;
next)
# Not sure we want "next" at the UI level anymore.
bisect_next "$@" ;;
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