Edit file File name : git-bisect Content :#!/bin/sh USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|view|replay|log|run]' LONG_USAGE='git bisect help print this long help message. git bisect start [--term-{old,good}=<term> --term-{new,bad}=<term>] [--no-checkout] [<bad> [<good>...]] [--] [<pathspec>...] reset bisect state and start bisection. git bisect (bad|new) [<rev>] mark <rev> a known-bad revision/ a revision after change in a given property. git bisect (good|old) [<rev>...] mark <rev>... known-good revisions/ revisions before change in a given property. git bisect terms [--term-good | --term-bad] show the terms used for old and new commits (default: bad, good) git bisect skip [(<rev>|<range>)...] mark <rev>... untestable revisions. 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 (visualize|view) show bisect status in gitk. git bisect replay <logfile> replay bisection log. git bisect log show bisect log. git bisect run <cmd>... use <cmd>... to automatically bisect. Please use "git help bisect" to get the full man page.' OPTIONS_SPEC= . git-sh-setup _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() { if test -f "$GIT_DIR/BISECT_HEAD" then echo BISECT_HEAD else echo HEAD fi } bisect_autostart() { test -s "$GIT_DIR/BISECT_START" || { gettextln "You need to start by \"git bisect start\"" >&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 "Do you want me to do it for you [Y/n]? " >&2 read yesno case "$yesno" in [Nn]*) exit ;; esac bisect_start else exit 1 fi } } bisect_start() { git bisect--helper --bisect-start $@ || exit # # Change state. # In case of mistaken revs or checkout error, or signals received, # "bisect_auto_next" below may exit or misbehave. # We have to trap this to be able to clean up using # "bisect_clean_state". # trap 'git bisect--helper --bisect-clean-state' 0 trap 'exit 255' 1 2 3 15 # # Check if we can proceed to the next bisect state. # get_terms bisect_auto_next trap '-' 0 } bisect_skip() { all='' for arg in "$@" do case "$arg" in *..*) revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;; *) revs=$(git rev-parse --sq-quote "$arg") ;; esac all="$all $revs" done eval bisect_state 'skip' $all } bisect_state() { bisect_autostart state=$1 git bisect--helper --check-and-set-terms $state $TERM_GOOD $TERM_BAD || exit get_terms case "$#,$state" in 0,*) die "Please call 'bisect_state' with at least one argument." ;; 1,"$TERM_BAD"|1,"$TERM_GOOD"|1,skip) bisected_head=$(bisect_head) rev=$(git rev-parse --verify "$bisected_head") || die "$(eval_gettext "Bad rev input: \$bisected_head")" git bisect--helper --bisect-write "$state" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit git bisect--helper --check-expected-revs "$rev" ;; 2,"$TERM_BAD"|*,"$TERM_GOOD"|*,skip) shift hash_list='' for rev in "$@" do sha=$(git rev-parse --verify "$rev^{commit}") || die "$(eval_gettext "Bad rev input: \$rev")" hash_list="$hash_list $sha" done for rev in $hash_list do git bisect--helper --bisect-write "$state" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit done git bisect--helper --check-expected-revs $hash_list ;; *,"$TERM_BAD") die "$(eval_gettext "'git bisect \$TERM_BAD' can take only one argument.")" ;; *) usage ;; esac bisect_auto_next } bisect_auto_next() { git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD && bisect_next || : } bisect_next() { case "$#" in 0) ;; *) usage ;; esac bisect_autostart 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) res=$? # Check if we should exit because bisection is finished if test $res -eq 10 then bad_rev=$(git show-ref --hash --verify refs/bisect/$TERM_BAD) bad_commit=$(git show-branch $bad_rev) 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=$(git for-each-ref --format="%(objectname)" "refs/bisect/$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 $TERM_BAD commit: $skipped_commit" >>"$GIT_DIR/BISECT_LOG" done exit $res fi # Check for an error in the bisection process test $res -ne 0 && exit $res return 0 } bisect_visualize() { git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit if test $# = 0 then if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" && type gitk >/dev/null 2>&1 then set gitk else set git log fi else case "$1" in git*|tig) ;; -*) set git log "$@" ;; *) set git "$@" ;; esac fi eval '"$@"' --bisect -- $(cat "$GIT_DIR/BISECT_NAMES") } bisect_replay () { file="$1" test "$#" -eq 1 || die "$(gettext "No logfile given")" test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")" git bisect--helper --bisect-reset || exit while read git bisect command rev do test "$git $bisect" = "git bisect" || test "$git" = "git-bisect" || continue if test "$git" = "git-bisect" then rev="$command" command="$bisect" fi get_terms git bisect--helper --check-and-set-terms "$command" "$TERM_GOOD" "$TERM_BAD" || exit get_terms case "$command" in start) cmd="bisect_start $rev" eval "$cmd" ;; "$TERM_GOOD"|"$TERM_BAD"|skip) git bisect--helper --bisect-write "$command" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit;; terms) git bisect--helper --bisect-terms $rev || exit;; *) die "$(gettext "?? what are you talking about?")" ;; esac done <"$file" bisect_auto_next } bisect_run () { git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit test -n "$*" || die "$(gettext "bisect run failed: no command provided.")" while true do command="$@" eval_gettextln "running \$command" "$@" res=$? # Check for really bad run error. if [ $res -lt 0 -o $res -ge 128 ] then eval_gettextln "bisect run failed: exit code \$res from '\$command' is < 0 or >= 128" >&2 exit $res fi # Find current state depending on run success or failure. # A special exit code of 125 means cannot test. if [ $res -eq 125 ] then state='skip' elif [ $res -gt 0 ] then state="$TERM_BAD" else state="$TERM_GOOD" fi # We have to use a subshell because "bisect_state" can exit. ( bisect_state $state >"$GIT_DIR/BISECT_RUN" ) res=$? cat "$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 exit $res fi if [ $res -ne 0 ] then eval_gettextln "bisect run failed: 'bisect_state \$state' exited with error code \$res" >&2 exit $res fi if sane_grep "is the first $TERM_BAD commit" "$GIT_DIR/BISECT_RUN" >/dev/null then gettextln "bisect run success" exit 0; fi done } bisect_log () { test -s "$GIT_DIR/BISECT_LOG" || die "$(gettext "We are not bisecting.")" cat "$GIT_DIR/BISECT_LOG" } get_terms () { if test -s "$GIT_DIR/BISECT_TERMS" then { read TERM_BAD read TERM_GOOD } <"$GIT_DIR/BISECT_TERMS" fi } case "$#" in 0) usage ;; *) cmd="$1" get_terms shift case "$cmd" in help) git bisect -h ;; start) bisect_start "$@" ;; bad|good|new|old|"$TERM_BAD"|"$TERM_GOOD") bisect_state "$cmd" "$@" ;; skip) bisect_skip "$@" ;; next) # Not sure we want "next" at the UI level anymore. bisect_next "$@" ;; visualize|view) bisect_visualize "$@" ;; reset) git bisect--helper --bisect-reset "$@" ;; replay) bisect_replay "$@" ;; log) bisect_log ;; run) bisect_run "$@" ;; terms) git bisect--helper --bisect-terms "$@" || exit;; *) usage ;; esac esac Save