}
bisect_start() {
- #
- # Check for one bad and then some good revisions.
- #
- has_double_dash=0
- for arg; do
- case "$arg" in --) has_double_dash=1; break ;; esac
- done
- orig_args=$(git rev-parse --sq-quote "$@")
- bad_seen=0
- eval=''
- must_write_terms=0
- revs=''
- if test "z$(git rev-parse --is-bare-repository)" != zfalse
- then
- mode=--no-checkout
- else
- mode=''
- fi
- while [ $# -gt 0 ]; do
- arg="$1"
- case "$arg" in
- --)
- shift
- break
- ;;
- --no-checkout)
- mode=--no-checkout
- shift ;;
- --term-good|--term-old)
- shift
- must_write_terms=1
- TERM_GOOD=$1
- shift ;;
- --term-good=*|--term-old=*)
- must_write_terms=1
- TERM_GOOD=${1#*=}
- shift ;;
- --term-bad|--term-new)
- shift
- must_write_terms=1
- TERM_BAD=$1
- shift ;;
- --term-bad=*|--term-new=*)
- must_write_terms=1
- TERM_BAD=${1#*=}
- shift ;;
- --*)
- die "$(eval_gettext "unrecognised option: '\$arg'")" ;;
- *)
- rev=$(git rev-parse -q --verify "$arg^{commit}") || {
- test $has_double_dash -eq 1 &&
- die "$(eval_gettext "'\$arg' does not appear to be a valid revision")"
- break
- }
- revs="$revs $rev"
- shift
- ;;
- esac
- done
-
- for rev in $revs
- do
- # The user ran "git bisect start <sha1>
- # <sha1>", hence did not explicitly specify
- # the terms, but we are already starting to
- # set references named with the default terms,
- # and won't be able to change afterwards.
- must_write_terms=1
-
- case $bad_seen in
- 0) state=$TERM_BAD ; bad_seen=1 ;;
- *) state=$TERM_GOOD ;;
- esac
- eval="$eval git bisect--helper --bisect-write '$state' '$rev' '$TERM_GOOD' '$TERM_BAD' 'nolog' &&"
- done
- #
- # Verify HEAD.
- #
- head=$(GIT_DIR="$GIT_DIR" git symbolic-ref -q HEAD) ||
- head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) ||
- die "$(gettext "Bad HEAD - I need a HEAD")"
-
- #
- # Check if we are bisecting.
- #
- start_head=''
- if test -s "$GIT_DIR/BISECT_START"
- then
- # Reset to the rev from where we started.
- start_head=$(cat "$GIT_DIR/BISECT_START")
- if test "z$mode" != "z--no-checkout"
- then
- git checkout "$start_head" -- ||
- die "$(eval_gettext "Checking out '\$start_head' failed. Try 'git bisect reset <valid-branch>'.")"
- fi
- else
- # Get rev from where we start.
- case "$head" in
- refs/heads/*|$_x40)
- # This error message should only be triggered by
- # cogito usage, and cogito users should understand
- # it relates to cg-seek.
- [ -s "$GIT_DIR/head-name" ] &&
- die "$(gettext "won't bisect on cg-seek'ed tree")"
- start_head="${head#refs/heads/}"
- ;;
- *)
- die "$(gettext "Bad HEAD - strange symbolic ref")"
- ;;
- esac
- fi
-
- #
- # Get rid of any old bisect state.
- #
- git bisect--helper --bisect-clean-state || exit
+ git bisect--helper --bisect-start $@ || exit
#
# Change state.
trap 'git bisect--helper --bisect-clean-state' 0
trap 'exit 255' 1 2 3 15
- #
- # Write new start state.
- #
- echo "$start_head" >"$GIT_DIR/BISECT_START" && {
- test "z$mode" != "z--no-checkout" ||
- git update-ref --no-deref BISECT_HEAD "$start_head"
- } &&
- git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" &&
- eval "$eval true" &&
- if test $must_write_terms -eq 1
- then
- git bisect--helper --write-terms "$TERM_BAD" "$TERM_GOOD" || exit
- fi &&
- echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit
#
# Check if we can proceed to the next bisect state.
#
+ get_terms
bisect_auto_next
trap '-' 0
bisect_state() {
bisect_autostart
state=$1
- check_and_set_terms $state
+ git bisect--helper --check-and-set-terms $state $TERM_GOOD $TERM_BAD || exit
+ get_terms
case "$#,$state" in
0,*)
die "Please call 'bisect_state' with at least one argument." ;;
bisect_auto_next
}
-bisect_next_check() {
- missing_good= missing_bad=
- git show-ref -q --verify refs/bisect/$TERM_BAD || missing_bad=t
- test -n "$(git for-each-ref "refs/bisect/$TERM_GOOD-*")" || missing_good=t
-
- case "$missing_good,$missing_bad,$1" in
- ,,*)
- : have both $TERM_GOOD and $TERM_BAD - ok
- ;;
- *,)
- # do not have both but not asked to fail - just report.
- false
- ;;
- t,,"$TERM_GOOD")
- # have bad (or new) but not good (or old). we could bisect although
- # this is less optimum.
- eval_gettextln "Warning: bisecting only with a \$TERM_BAD commit." >&2
- if test -t 0
- then
- # TRANSLATORS: Make sure to include [Y] and [n] in your
- # translation. The program will only accept English input
- # at this point.
- gettext "Are you sure [Y/n]? " >&2
- read yesno
- case "$yesno" in [Nn]*) exit 1 ;; esac
- fi
- : bisect without $TERM_GOOD...
- ;;
- *)
- bad_syn=$(bisect_voc bad)
- good_syn=$(bisect_voc good)
- if test -s "$GIT_DIR/BISECT_START"
- then
-
- eval_gettextln "You need to give me at least one \$bad_syn and one \$good_syn revision.
-(You can use \"git bisect \$bad_syn\" and \"git bisect \$good_syn\" for that.)" >&2
- else
- eval_gettextln "You need to start by \"git bisect start\".
-You then need to give me at least one \$good_syn and one \$bad_syn revision.
-(You can use \"git bisect \$bad_syn\" and \"git bisect \$good_syn\" for that.)" >&2
- fi
- exit 1 ;;
- esac
-}
-
bisect_auto_next() {
- bisect_next_check && bisect_next || :
+ git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD && bisect_next || :
}
bisect_next() {
case "$#" in 0) ;; *) usage ;; esac
bisect_autostart
- bisect_next_check $TERM_GOOD
+ git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD $TERM_GOOD|| exit
# Perform all bisection computation, display and checkout
git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout)
}
bisect_visualize() {
- bisect_next_check fail
+ git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit
if test $# = 0
then
command="$bisect"
fi
get_terms
- check_and_set_terms "$command"
+ git bisect--helper --check-and-set-terms "$command" "$TERM_GOOD" "$TERM_BAD" || exit
+ get_terms
case "$command" in
start)
cmd="bisect_start $rev"
"$TERM_GOOD"|"$TERM_BAD"|skip)
git bisect--helper --bisect-write "$command" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit;;
terms)
- bisect_terms $rev ;;
+ git bisect--helper --bisect-terms $rev || exit;;
*)
die "$(gettext "?? what are you talking about?")" ;;
esac
}
bisect_run () {
- bisect_next_check fail
+ git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit
test -n "$*" || die "$(gettext "bisect run failed: no command provided.")"
fi
}
-check_and_set_terms () {
- cmd="$1"
- case "$cmd" in
- skip|start|terms) ;;
- *)
- if test -s "$GIT_DIR/BISECT_TERMS" && test "$cmd" != "$TERM_BAD" && test "$cmd" != "$TERM_GOOD"
- then
- die "$(eval_gettext "Invalid command: you're currently in a \$TERM_BAD/\$TERM_GOOD bisect.")"
- fi
- case "$cmd" in
- bad|good)
- if ! test -s "$GIT_DIR/BISECT_TERMS"
- then
- TERM_BAD=bad
- TERM_GOOD=good
- git bisect--helper --write-terms "$TERM_BAD" "$TERM_GOOD" || exit
- fi
- ;;
- new|old)
- if ! test -s "$GIT_DIR/BISECT_TERMS"
- then
- TERM_BAD=new
- TERM_GOOD=old
- git bisect--helper --write-terms "$TERM_BAD" "$TERM_GOOD" || exit
- fi
- ;;
- esac ;;
- esac
-}
-
-bisect_voc () {
- case "$1" in
- bad) echo "bad|new" ;;
- good) echo "good|old" ;;
- esac
-}
-
-bisect_terms () {
- get_terms
- if ! test -s "$GIT_DIR/BISECT_TERMS"
- then
- die "$(gettext "no terms defined")"
- fi
- case "$#" in
- 0)
- gettextln "Your current terms are $TERM_GOOD for the old state
-and $TERM_BAD for the new state."
- ;;
- 1)
- arg=$1
- case "$arg" in
- --term-good|--term-old)
- printf '%s\n' "$TERM_GOOD"
- ;;
- --term-bad|--term-new)
- printf '%s\n' "$TERM_BAD"
- ;;
- *)
- die "$(eval_gettext "invalid argument \$arg for 'git bisect terms'.
-Supported options are: --term-good|--term-old and --term-bad|--term-new.")"
- ;;
- esac
- ;;
- *)
- usage ;;
- esac
-}
-
case "$#" in
0)
usage ;;
run)
bisect_run "$@" ;;
terms)
- bisect_terms "$@" ;;
+ git bisect--helper --bisect-terms "$@" || exit;;
*)
usage ;;
esac