diff options
Diffstat (limited to 'git-bisect.sh')
| -rwxr-xr-x | git-bisect.sh | 117 |
1 files changed, 107 insertions, 10 deletions
diff --git a/git-bisect.sh b/git-bisect.sh index ea63223ab..5d1cb00d8 100755 --- a/git-bisect.sh +++ b/git-bisect.sh @@ -1,14 +1,19 @@ #!/bin/sh -USAGE='[help|start|bad|good|skip|next|reset|visualize|replay|log|run]' +USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|replay|log|run]' LONG_USAGE='git bisect help print this long help message. -git bisect start [--no-checkout] [<bad> [<good>...]] [--] [<pathspec>...] +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 [<rev>] - mark <rev> a known-bad revision. -git bisect good [<rev>...] - mark <rev>... known-good revisions. +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 @@ -95,6 +100,24 @@ bisect_start() { --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 "$(eval_gettext "unrecognised option: '\$arg'")" ;; *) @@ -294,7 +317,7 @@ bisect_next_check() { false ;; t,,"$TERM_GOOD") - # have bad but not good. we could bisect although + # 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 @@ -451,6 +474,8 @@ bisect_replay () { eval "$cmd" ;; "$TERM_GOOD"|"$TERM_BAD"|skip) bisect_write "$command" "$rev" ;; + terms) + bisect_terms $rev ;; *) die "$(gettext "?? what are you talking about?")" ;; esac @@ -535,9 +560,42 @@ get_terms () { write_terms () { TERM_BAD=$1 TERM_GOOD=$2 + if test "$TERM_BAD" = "$TERM_GOOD" + then + die "$(gettext "please use two different terms")" + fi + check_term_format "$TERM_BAD" bad + check_term_format "$TERM_GOOD" good printf '%s\n%s\n' "$TERM_BAD" "$TERM_GOOD" >"$GIT_DIR/BISECT_TERMS" } +check_term_format () { + term=$1 + git check-ref-format refs/bisect/"$term" || + die "$(eval_gettext "'\$term' is not a valid term")" + case "$term" in + help|start|terms|skip|next|reset|visualize|replay|log|run) + die "$(eval_gettext "can't use the builtin command '\$term' as a term")" + ;; + bad|new) + if test "$2" != bad + then + # In theory, nothing prevents swapping + # completely good and bad, but this situation + # could be confusing and hasn't been tested + # enough. Forbid it for now. + die "$(eval_gettext "can't change the meaning of term '\$term'")" + fi + ;; + good|old) + if test "$2" != good + then + die "$(eval_gettext "can't change the meaning of term '\$term'")" + fi + ;; + esac +} + check_and_set_terms () { cmd="$1" case "$cmd" in @@ -554,14 +612,51 @@ check_and_set_terms () { write_terms bad good fi ;; + new|old) + if ! test -s "$GIT_DIR/BISECT_TERMS" + then + write_terms new old + fi + ;; esac ;; esac } bisect_voc () { case "$1" in - bad) echo "bad" ;; - good) echo "good" ;; + bad) echo "bad|new" ;; + good) echo "good|old" ;; + esac +} + +bisect_terms () { + get_terms + if ! test -s "$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 "$(eval_gettext "invalid argument \$arg for 'git bisect terms'. +Supported options are: --term-good|--term-old and --term-bad|--term-new.")" + ;; + esac + ;; + *) + usage ;; esac } @@ -577,7 +672,7 @@ case "$#" in git bisect -h ;; start) bisect_start "$@" ;; - bad|good|"$TERM_BAD"|"$TERM_GOOD") + bad|good|new|old|"$TERM_BAD"|"$TERM_GOOD") bisect_state "$cmd" "$@" ;; skip) bisect_skip "$@" ;; @@ -594,6 +689,8 @@ case "$#" in bisect_log ;; run) bisect_run "$@" ;; + terms) + bisect_terms "$@" ;; *) usage ;; esac |