diff options
Diffstat (limited to 'git-bisect.sh')
-rwxr-xr-x | git-bisect.sh | 414 |
1 files changed, 238 insertions, 176 deletions
diff --git a/git-bisect.sh b/git-bisect.sh index 6e2acb8ef2..99efbe8845 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -2,43 +2,56 @@ USAGE='[help|start|bad|good|skip|next|reset|visualize|replay|log|run]' LONG_USAGE='git bisect help - print this long help message. -git bisect start [<bad> [<good>...]] [--] [<pathspec>...] - reset bisect state and start bisection. + print this long help message. +git bisect start [--no-checkout] [<bad> [<good>...]] [--] [<pathspec>...] + reset bisect state and start bisection. git bisect bad [<rev>] - mark <rev> a known-bad revision. + mark <rev> a known-bad revision. git bisect good [<rev>...] - mark <rev>... known-good revisions. + mark <rev>... known-good revisions. git bisect skip [(<rev>|<range>)...] - mark <rev>... untestable revisions. + mark <rev>... untestable revisions. git bisect next - find next bisection to test and check it out. + find next bisection to test and check it out. git bisect reset [<commit>] - finish bisection search and go back to commit. + finish bisection search and go back to commit. git bisect visualize - show bisect status in gitk. + show bisect status in gitk. git bisect replay <logfile> - replay bisection log. + replay bisection log. git bisect log - show bisect log. + show bisect log. git bisect run <cmd>... - use <cmd>... to automatically bisect. + use <cmd>... to automatically bisect. Please use "git help bisect" to get the full man page.' OPTIONS_SPEC= . git-sh-setup -require_work_tree +. git-sh-i18n _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" +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" || { - echo >&2 'You need to start by "git bisect start"' + gettextln "You need to start by \"git bisect start\"" >&2 if test -t 0 then - echo >&2 -n 'Do you want me to do it for you [Y/n]? ' + # 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 "$yesno" in [Nn]*) @@ -53,11 +66,55 @@ bisect_autostart() { bisect_start() { # + # Check for one bad and then some good revisions. + # + has_double_dash=0 + for arg; do + case "$arg" in --) has_double_dash=1; break ;; esac + done + orig_args=$(git rev-parse --sq-quote "$@") + bad_seen=0 + eval='' + 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 ;; + --*) + 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 + } + case $bad_seen in + 0) state='bad' ; bad_seen=1 ;; + *) state='good' ;; + esac + eval="$eval bisect_write '$state' '$rev' 'nolog' &&" + shift + ;; + esac + done + + # # Verify HEAD. # head=$(GIT_DIR="$GIT_DIR" git symbolic-ref -q HEAD) || head=$(GIT_DIR="$GIT_DIR" git rev-parse --verify HEAD) || - die "Bad HEAD - I need a HEAD" + die "$(gettext "Bad HEAD - I need a HEAD")" # # Check if we are bisecting. @@ -67,7 +124,11 @@ bisect_start() { then # Reset to the rev from where we started. start_head=$(cat "$GIT_DIR/BISECT_START") - git checkout "$start_head" -- || exit + if test "z$mode" != "z--no-checkout" + then + git checkout "$start_head" -- || + die "$(eval_gettext "Checking out '\$start_head' failed. Try 'git bisect reset <validbranch>'.")" + fi else # Get rev from where we start. case "$head" in @@ -76,11 +137,11 @@ bisect_start() { # cogito usage, and cogito users should understand # it relates to cg-seek. [ -s "$GIT_DIR/head-name" ] && - die "won't bisect on seeked tree" + die "$(gettext "won't bisect on seeked tree")" start_head="${head#refs/heads/}" ;; *) - die "Bad HEAD - strange symbolic ref" + die "$(gettext "Bad HEAD - strange symbolic ref")" ;; esac fi @@ -91,39 +152,6 @@ bisect_start() { bisect_clean_state || exit # - # 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='' - while [ $# -gt 0 ]; do - arg="$1" - case "$arg" in - --) - shift - break - ;; - *) - rev=$(git rev-parse -q --verify "$arg^{commit}") || { - test $has_double_dash -eq 1 && - die "'$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'; " - shift - ;; - esac - done - - # # Change state. # In case of mistaken revs or checkout error, or signals received, # "bisect_auto_next" below may exit or misbehave. @@ -136,9 +164,12 @@ bisect_start() { # # Write new start state. # - echo "$start_head" >"$GIT_DIR/BISECT_START" && + 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 "$eval" && + eval "$eval true" && echo "git bisect start$orig_args" >>"$GIT_DIR/BISECT_LOG" || exit # # Check if we can proceed to the next bisect state. @@ -155,7 +186,7 @@ bisect_write() { case "$state" in bad) tag="$state" ;; good|skip) tag="$state"-"$rev" ;; - *) die "Bad bisect_write argument: $state" ;; + *) die "$(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" @@ -169,7 +200,8 @@ is_expected_rev() { check_expected_revs() { for _rev in "$@"; do - if ! is_expected_rev "$_rev"; then + if ! is_expected_rev "$_rev" + then rm -f "$GIT_DIR/BISECT_ANCESTORS_OK" rm -f "$GIT_DIR/BISECT_EXPECTED_REV" return @@ -178,18 +210,18 @@ check_expected_revs() { } bisect_skip() { - all='' + all='' for arg in "$@" do - case "$arg" in - *..*) - revs=$(git rev-list "$arg") || die "Bad rev input: $arg" ;; - *) - revs=$(git rev-parse --sq-quote "$arg") ;; - esac - all="$all $revs" - done - eval bisect_state 'skip' $all + case "$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() { @@ -197,10 +229,10 @@ bisect_state() { state=$1 case "$#,$state" in 0,*) - die "Please call 'bisect_state' with at least one argument." ;; + die "$(gettext "Please call 'bisect_state' with at least one argument.")" ;; 1,bad|1,good|1,skip) - rev=$(git rev-parse --verify HEAD) || - die "Bad rev input: HEAD" + rev=$(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) @@ -209,13 +241,13 @@ bisect_state() { for rev in "$@" do sha=$(git rev-parse --verify "$rev^{commit}") || - die "Bad rev input: $rev" + die "$(eval_gettext "Bad rev input: \$rev")" eval="$eval bisect_write '$state' '$sha'; " done eval "$eval" check_expected_revs "$@" ;; *,bad) - die "'git bisect bad' can take only one argument." ;; + die "$(gettext "'git bisect bad' can take only one argument.")" ;; *) usage ;; esac @@ -238,25 +270,29 @@ bisect_next_check() { t,,good) # have bad but not good. we could bisect although # this is less optimum. - echo >&2 'Warning: bisecting only with a bad commit.' + gettextln "Warning: bisecting only with a bad commit." >&2 if test -t 0 then - printf >&2 'Are you sure [Y/n]? ' + # 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 "$yesno" in [Nn]*) exit 1 ;; esac fi : bisect without good... ;; *) - THEN='' - test -s "$GIT_DIR/BISECT_START" || { - echo >&2 'You need to start by "git bisect start".' - THEN='then ' - } - echo >&2 'You '$THEN'need to give me at least one good' \ - 'and one bad revisions.' - echo >&2 '(You can use "git bisect bad" and' \ - '"git bisect good" for that.)' + + if test -s "$GIT_DIR/BISECT_START" + then + gettextln "You need to give me at least one good and one bad revisions. +(You can use \"git bisect bad\" and \"git bisect good\" 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 revisions. +(You can use \"git bisect bad\" and \"git bisect good\" for that.)" >&2 + fi exit 1 ;; esac } @@ -271,10 +307,10 @@ bisect_next() { bisect_next_check good # Perform all bisection computation, display and checkout - git bisect--helper --next-all + git bisect--helper --next-all $(test -f "$GIT_DIR/BISECT_HEAD" && echo --no-checkout) res=$? - # Check if we should exit because bisection is finished + # Check if we should exit because bisection is finished test $res -eq 10 && exit 0 # Check for an error in the bisection process @@ -288,10 +324,13 @@ bisect_visualize() { if test $# = 0 then - case "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" in - '') set git log ;; - set*) set gitk ;; - esac + if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" && + type gitk >/dev/null 2>&1 + then + set gitk + else + set git log + fi else case "$1" in git*|tig) ;; @@ -305,18 +344,26 @@ bisect_visualize() { bisect_reset() { test -s "$GIT_DIR/BISECT_START" || { - echo "We are not bisecting." + gettextln "We are not bisecting." return } case "$#" in 0) branch=$(cat "$GIT_DIR/BISECT_START") ;; - 1) git rev-parse --quiet --verify "$1^{commit}" > /dev/null || - die "'$1' is not a valid commit" - branch="$1" ;; + 1) git rev-parse --quiet --verify "$1^{commit}" > /dev/null || { + invalid="$1" + die "$(eval_gettext "'\$invalid' is not a valid commit")" + } + branch="$1" ;; *) - usage ;; + usage ;; esac - git checkout "$branch" -- && bisect_clean_state + + if ! test -f "$GIT_DIR/BISECT_HEAD" && ! git checkout "$branch" -- + then + die "$(eval_gettext "Could not check out original HEAD '\$branch'. +Try 'git bisect reset <commit>'.")" + fi + bisect_clean_state } bisect_clean_state() { @@ -333,17 +380,21 @@ bisect_clean_state() { rm -f "$GIT_DIR/BISECT_RUN" && # Cleanup head-name if it got left by an old version of git-bisect rm -f "$GIT_DIR/head-name" && - + git update-ref -d --no-deref BISECT_HEAD && + # clean up BISECT_START last rm -f "$GIT_DIR/BISECT_START" } bisect_replay () { - test -r "$1" || die "cannot read $1 for replaying" + file="$1" + test "$#" -eq 1 || die "$(gettext "No logfile given")" + test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")" bisect_reset while read git bisect command rev do test "$git $bisect" = "git bisect" -o "$git" = "git-bisect" || continue - if test "$git" = "git-bisect"; then + if test "$git" = "git-bisect" + then rev="$command" command="$bisect" fi @@ -354,94 +405,105 @@ bisect_replay () { good|bad|skip) bisect_write "$command" "$rev" ;; *) - die "?? what are you talking about?" ;; + die "$(gettext "?? what are you talking about?")" ;; esac - done <"$1" + done <"$file" bisect_auto_next } bisect_run () { - bisect_next_check fail - - while true - do - echo "running $@" - "$@" - res=$? - - # Check for really bad run error. - if [ $res -lt 0 -o $res -ge 128 ]; then - echo >&2 "bisect run failed:" - echo >&2 "exit code $res from '$@' is < 0 or >= 128" - 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='bad' - else - state='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 bad commit could be any of" "$GIT_DIR/BISECT_RUN" \ - > /dev/null; then - echo >&2 "bisect run cannot continue any more" - exit $res - fi - - if [ $res -ne 0 ]; then - echo >&2 "bisect run failed:" - echo >&2 "'bisect_state $state' exited with error code $res" - exit $res - fi - - if sane_grep "is the first bad commit" "$GIT_DIR/BISECT_RUN" > /dev/null; then - echo "bisect run success" - exit 0; - fi - - done + bisect_next_check fail + + 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='bad' + else + state='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 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 $res + fi + + if sane_grep "is the first bad commit" "$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 "$GIT_DIR/BISECT_LOG" +} case "$#" in 0) - usage ;; + usage ;; *) - cmd="$1" - shift - case "$cmd" in - help) - git bisect -h ;; - start) - bisect_start "$@" ;; - bad|good) - bisect_state "$cmd" "$@" ;; - skip) - bisect_skip "$@" ;; - next) - # Not sure we want "next" at the UI level anymore. - bisect_next "$@" ;; - visualize|view) - bisect_visualize "$@" ;; - reset) - bisect_reset "$@" ;; - replay) - bisect_replay "$@" ;; - log) - cat "$GIT_DIR/BISECT_LOG" ;; - run) - bisect_run "$@" ;; - *) - usage ;; - esac + cmd="$1" + shift + case "$cmd" in + help) + git bisect -h ;; + start) + bisect_start "$@" ;; + bad|good) + bisect_state "$cmd" "$@" ;; + skip) + bisect_skip "$@" ;; + next) + # Not sure we want "next" at the UI level anymore. + bisect_next "$@" ;; + visualize|view) + bisect_visualize "$@" ;; + reset) + bisect_reset "$@" ;; + replay) + bisect_replay "$@" ;; + log) + bisect_log ;; + run) + bisect_run "$@" ;; + *) + usage ;; + esac esac |