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-rwxr-xr-xgit-bisect.sh157
1 files changed, 116 insertions, 41 deletions
diff --git a/git-bisect.sh b/git-bisect.sh
index 6cda2b5a60..ea63223ab3 100755
--- a/git-bisect.sh
+++ b/git-bisect.sh
@@ -32,6 +32,8 @@ OPTIONS_SPEC=
_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
+TERM_BAD=bad
+TERM_GOOD=good
bisect_head()
{
@@ -75,6 +77,8 @@ bisect_start() {
orig_args=$(git rev-parse --sq-quote "$@")
bad_seen=0
eval=''
+ must_write_terms=0
+ revs=''
if test "z$(git rev-parse --is-bare-repository)" != zfalse
then
mode=--no-checkout
@@ -99,16 +103,27 @@ bisect_start() {
die "$(eval_gettext "'\$arg' does not appear to be a valid revision")"
break
}
- case $bad_seen in
- 0) state='bad' ; bad_seen=1 ;;
- *) state='good' ;;
- esac
- eval="$eval bisect_write '$state' '$rev' 'nolog' &&"
+ 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 bisect_write '$state' '$rev' 'nolog' &&"
+ done
#
# Verify HEAD.
#
@@ -127,7 +142,7 @@ bisect_start() {
if test "z$mode" != "z--no-checkout"
then
git checkout "$start_head" -- ||
- die "$(eval_gettext "Checking out '\$start_head' failed. Try 'git bisect reset <validbranch>'.")"
+ die "$(eval_gettext "Checking out '\$start_head' failed. Try 'git bisect reset <valid-branch>'.")"
fi
else
# Get rev from where we start.
@@ -170,6 +185,10 @@ bisect_start() {
} &&
git rev-parse --sq-quote "$@" >"$GIT_DIR/BISECT_NAMES" &&
eval "$eval true" &&
+ if test $must_write_terms -eq 1
+ then
+ write_terms "$TERM_BAD" "$TERM_GOOD"
+ fi &&
echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit
#
# Check if we can proceed to the next bisect state.
@@ -184,9 +203,12 @@ bisect_write() {
rev="$2"
nolog="$3"
case "$state" in
- bad) tag="$state" ;;
- good|skip) tag="$state"-"$rev" ;;
- *) die "$(eval_gettext "Bad bisect_write argument: \$state")" ;;
+ "$TERM_BAD")
+ tag="$state" ;;
+ "$TERM_GOOD"|skip)
+ tag="$state"-"$rev" ;;
+ *)
+ die "$(eval_gettext "Bad bisect_write argument: \$state")" ;;
esac
git update-ref "refs/bisect/$tag" "$rev" || exit
echo "# $state: $(git show-branch $rev)" >>"$GIT_DIR/BISECT_LOG"
@@ -227,27 +249,31 @@ bisect_skip() {
bisect_state() {
bisect_autostart
state=$1
+ check_and_set_terms $state
case "$#,$state" in
0,*)
die "$(gettext "Please call 'bisect_state' with at least one argument.")" ;;
- 1,bad|1,good|1,skip)
+ 1,"$TERM_BAD"|1,"$TERM_GOOD"|1,skip)
rev=$(git rev-parse --verify $(bisect_head)) ||
die "$(gettext "Bad rev input: $(bisect_head)")"
bisect_write "$state" "$rev"
check_expected_revs "$rev" ;;
- 2,bad|*,good|*,skip)
+ 2,"$TERM_BAD"|*,"$TERM_GOOD"|*,skip)
shift
- eval=''
+ hash_list=''
for rev in "$@"
do
sha=$(git rev-parse --verify "$rev^{commit}") ||
die "$(eval_gettext "Bad rev input: \$rev")"
- eval="$eval bisect_write '$state' '$sha'; "
+ hash_list="$hash_list $sha"
+ done
+ for rev in $hash_list
+ do
+ bisect_write "$state" "$rev"
done
- eval "$eval"
- check_expected_revs "$@" ;;
- *,bad)
- die "$(gettext "'git bisect bad' can take only one argument.")" ;;
+ check_expected_revs $hash_list ;;
+ *,"$TERM_BAD")
+ die "$(eval_gettext "'git bisect \$TERM_BAD' can take only one argument.")" ;;
*)
usage ;;
esac
@@ -256,21 +282,21 @@ bisect_state() {
bisect_next_check() {
missing_good= missing_bad=
- git show-ref -q --verify refs/bisect/bad || missing_bad=t
- test -n "$(git for-each-ref "refs/bisect/good-*")" || missing_good=t
+ 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 good and bad - ok
+ : have both $TERM_GOOD and $TERM_BAD - ok
;;
*,)
# do not have both but not asked to fail - just report.
false
;;
- t,,good)
+ t,,"$TERM_GOOD")
# have bad but not good. we could bisect although
# this is less optimum.
- gettextln "Warning: bisecting only with a bad commit." >&2
+ 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
@@ -280,18 +306,20 @@ bisect_next_check() {
read yesno
case "$yesno" in [Nn]*) exit 1 ;; esac
fi
- : bisect without good...
+ : bisect without $TERM_GOOD...
;;
*)
-
+ bad_syn=$(bisect_voc bad)
+ good_syn=$(bisect_voc good)
if test -s "$GIT_DIR/BISECT_START"
then
- gettextln "You need to give me at least one good and one bad revision.
-(You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2
+
+ 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
- gettextln "You need to start by \"git bisect start\".
-You then need to give me at least one good and one bad revision.
-(You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2
+ 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
@@ -304,7 +332,7 @@ bisect_auto_next() {
bisect_next() {
case "$#" in 0) ;; *) usage ;; esac
bisect_autostart
- bisect_next_check good
+ bisect_next_check $TERM_GOOD
# Perform all bisection computation, display and checkout
git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout)
@@ -313,18 +341,18 @@ bisect_next() {
# Check if we should exit because bisection is finished
if test $res -eq 10
then
- bad_rev=$(git show-ref --hash --verify refs/bisect/bad)
+ bad_rev=$(git show-ref --hash --verify refs/bisect/$TERM_BAD)
bad_commit=$(git show-branch $bad_rev)
- echo "# first bad commit: $bad_commit" >>"$GIT_DIR/BISECT_LOG"
+ echo "# first $TERM_BAD commit: $bad_commit" >>"$GIT_DIR/BISECT_LOG"
exit 0
elif test $res -eq 2
then
echo "# only skipped commits left to test" >>"$GIT_DIR/BISECT_LOG"
- good_revs=$(git for-each-ref --format="%(objectname)" "refs/bisect/good-*")
- for skipped in $(git rev-list refs/bisect/bad --not $good_revs)
+ good_revs=$(git for-each-ref --format="%(objectname)" "refs/bisect/$TERM_GOOD-*")
+ for skipped in $(git rev-list refs/bisect/$TERM_BAD --not $good_revs)
do
skipped_commit=$(git show-branch $skipped)
- echo "# possible first bad commit: $skipped_commit" >>"$GIT_DIR/BISECT_LOG"
+ echo "# possible first $TERM_BAD commit: $skipped_commit" >>"$GIT_DIR/BISECT_LOG"
done
exit $res
fi
@@ -394,6 +422,7 @@ bisect_clean_state() {
rm -f "$GIT_DIR/BISECT_LOG" &&
rm -f "$GIT_DIR/BISECT_NAMES" &&
rm -f "$GIT_DIR/BISECT_RUN" &&
+ rm -f "$GIT_DIR/BISECT_TERMS" &&
# Cleanup head-name if it got left by an old version of git-bisect
rm -f "$GIT_DIR/head-name" &&
git update-ref -d --no-deref BISECT_HEAD &&
@@ -414,11 +443,13 @@ bisect_replay () {
rev="$command"
command="$bisect"
fi
+ get_terms
+ check_and_set_terms "$command"
case "$command" in
start)
cmd="bisect_start $rev"
eval "$cmd" ;;
- good|bad|skip)
+ "$TERM_GOOD"|"$TERM_BAD"|skip)
bisect_write "$command" "$rev" ;;
*)
die "$(gettext "?? what are you talking about?")" ;;
@@ -452,9 +483,9 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
state='skip'
elif [ $res -gt 0 ]
then
- state='bad'
+ state="$TERM_BAD"
else
- state='good'
+ state="$TERM_GOOD"
fi
# We have to use a subshell because "bisect_state" can exit.
@@ -463,7 +494,7 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
cat "$GIT_DIR/BISECT_RUN"
- if sane_grep "first bad commit could be any of" "$GIT_DIR/BISECT_RUN" \
+ if sane_grep "first $TERM_BAD commit could be any of" "$GIT_DIR/BISECT_RUN" \
>/dev/null
then
gettextln "bisect run cannot continue any more" >&2
@@ -477,7 +508,7 @@ exit code \$res from '\$command' is < 0 or >= 128" >&2
exit $res
fi
- if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" >/dev/null
+ if sane_grep "is the first $TERM_BAD commit" "$GIT_DIR/BISECT_RUN" >/dev/null
then
gettextln "bisect run success"
exit 0;
@@ -491,18 +522,62 @@ bisect_log () {
cat "$GIT_DIR/BISECT_LOG"
}
+get_terms () {
+ if test -s "$GIT_DIR/BISECT_TERMS"
+ then
+ {
+ read TERM_BAD
+ read TERM_GOOD
+ } <"$GIT_DIR/BISECT_TERMS"
+ fi
+}
+
+write_terms () {
+ TERM_BAD=$1
+ TERM_GOOD=$2
+ printf '%s\n%s\n' "$TERM_BAD" "$TERM_GOOD" >"$GIT_DIR/BISECT_TERMS"
+}
+
+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
+ write_terms bad good
+ fi
+ ;;
+ esac ;;
+ esac
+}
+
+bisect_voc () {
+ case "$1" in
+ bad) echo "bad" ;;
+ good) echo "good" ;;
+ esac
+}
+
case "$#" in
0)
usage ;;
*)
cmd="$1"
+ get_terms
shift
case "$cmd" in
help)
git bisect -h ;;
start)
bisect_start "$@" ;;
- bad|good)
+ bad|good|"$TERM_BAD"|"$TERM_GOOD")
bisect_state "$cmd" "$@" ;;
skip)
bisect_skip "$@" ;;