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1 | #!/bin/sh | |
2 | ||
3 | USAGE='[help|start|bad|good|new|old|terms|skip|next|reset|visualize|view|replay|log|run]' | |
4 | LONG_USAGE='git bisect help | |
5 | print this long help message. | |
6 | git bisect start [--term-{new,bad}=<term> --term-{old,good}=<term>] | |
7 | [--no-checkout] [--first-parent] [<bad> [<good>...]] [--] [<pathspec>...] | |
8 | reset bisect state and start bisection. | |
9 | git bisect (bad|new) [<rev>] | |
10 | mark <rev> a known-bad revision/ | |
11 | a revision after change in a given property. | |
12 | git bisect (good|old) [<rev>...] | |
13 | mark <rev>... known-good revisions/ | |
14 | revisions before change in a given property. | |
15 | git bisect terms [--term-good | --term-bad] | |
16 | show the terms used for old and new commits (default: bad, good) | |
17 | git bisect skip [(<rev>|<range>)...] | |
18 | mark <rev>... untestable revisions. | |
19 | git bisect next | |
20 | find next bisection to test and check it out. | |
21 | git bisect reset [<commit>] | |
22 | finish bisection search and go back to commit. | |
23 | git bisect (visualize|view) | |
24 | show bisect status in gitk. | |
25 | git bisect replay <logfile> | |
26 | replay bisection log. | |
27 | git bisect log | |
28 | show bisect log. | |
29 | git bisect run <cmd>... | |
30 | use <cmd>... to automatically bisect. | |
31 | ||
32 | Please use "git help bisect" to get the full man page.' | |
33 | ||
34 | OPTIONS_SPEC= | |
35 | . git-sh-setup | |
36 | ||
37 | _x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' | |
38 | _x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40" | |
39 | TERM_BAD=bad | |
40 | TERM_GOOD=good | |
41 | ||
42 | bisect_skip() { | |
43 | all='' | |
44 | for arg in "$@" | |
45 | do | |
46 | case "$arg" in | |
47 | *..*) | |
48 | revs=$(git rev-list "$arg") || die "$(eval_gettext "Bad rev input: \$arg")" ;; | |
49 | *) | |
50 | revs=$(git rev-parse --sq-quote "$arg") ;; | |
51 | esac | |
52 | all="$all $revs" | |
53 | done | |
54 | eval git bisect--helper --bisect-state 'skip' $all | |
55 | } | |
56 | ||
57 | bisect_visualize() { | |
58 | git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit | |
59 | ||
60 | if test $# = 0 | |
61 | then | |
62 | if test -n "${DISPLAY+set}${SESSIONNAME+set}${MSYSTEM+set}${SECURITYSESSIONID+set}" && | |
63 | type gitk >/dev/null 2>&1 | |
64 | then | |
65 | set gitk | |
66 | else | |
67 | set git log | |
68 | fi | |
69 | else | |
70 | case "$1" in | |
71 | git*|tig) ;; | |
72 | -*) set git log "$@" ;; | |
73 | *) set git "$@" ;; | |
74 | esac | |
75 | fi | |
76 | ||
77 | eval '"$@"' --bisect -- $(cat "$GIT_DIR/BISECT_NAMES") | |
78 | } | |
79 | ||
80 | bisect_replay () { | |
81 | file="$1" | |
82 | test "$#" -eq 1 || die "$(gettext "No logfile given")" | |
83 | test -r "$file" || die "$(eval_gettext "cannot read \$file for replaying")" | |
84 | git bisect--helper --bisect-reset || exit | |
85 | oIFS="$IFS" IFS="$IFS$(printf '\015')" | |
86 | while read git bisect command rev tail | |
87 | do | |
88 | test "$git $bisect" = "git bisect" || test "$git" = "git-bisect" || continue | |
89 | if test "$git" = "git-bisect" | |
90 | then | |
91 | rev="$command" | |
92 | command="$bisect" | |
93 | fi | |
94 | get_terms | |
95 | git bisect--helper --check-and-set-terms "$command" "$TERM_GOOD" "$TERM_BAD" || exit | |
96 | get_terms | |
97 | case "$command" in | |
98 | start) | |
99 | eval "git bisect--helper --bisect-start $rev $tail" ;; | |
100 | "$TERM_GOOD"|"$TERM_BAD"|skip) | |
101 | git bisect--helper --bisect-write "$command" "$rev" "$TERM_GOOD" "$TERM_BAD" || exit;; | |
102 | terms) | |
103 | git bisect--helper --bisect-terms $rev || exit;; | |
104 | *) | |
105 | die "$(gettext "?? what are you talking about?")" ;; | |
106 | esac | |
107 | done <"$file" | |
108 | IFS="$oIFS" | |
109 | git bisect--helper --bisect-auto-next || exit | |
110 | } | |
111 | ||
112 | bisect_run () { | |
113 | git bisect--helper --bisect-next-check $TERM_GOOD $TERM_BAD fail || exit | |
114 | ||
115 | test -n "$*" || die "$(gettext "bisect run failed: no command provided.")" | |
116 | ||
117 | while true | |
118 | do | |
119 | command="$@" | |
120 | eval_gettextln "running \$command" | |
121 | "$@" | |
122 | res=$? | |
123 | ||
124 | # Check for really bad run error. | |
125 | if [ $res -lt 0 -o $res -ge 128 ] | |
126 | then | |
127 | eval_gettextln "bisect run failed: | |
128 | exit code \$res from '\$command' is < 0 or >= 128" >&2 | |
129 | exit $res | |
130 | fi | |
131 | ||
132 | # Find current state depending on run success or failure. | |
133 | # A special exit code of 125 means cannot test. | |
134 | if [ $res -eq 125 ] | |
135 | then | |
136 | state='skip' | |
137 | elif [ $res -gt 0 ] | |
138 | then | |
139 | state="$TERM_BAD" | |
140 | else | |
141 | state="$TERM_GOOD" | |
142 | fi | |
143 | ||
144 | git bisect--helper --bisect-state $state >"$GIT_DIR/BISECT_RUN" | |
145 | res=$? | |
146 | ||
147 | cat "$GIT_DIR/BISECT_RUN" | |
148 | ||
149 | if sane_grep "first $TERM_BAD commit could be any of" "$GIT_DIR/BISECT_RUN" \ | |
150 | >/dev/null | |
151 | then | |
152 | gettextln "bisect run cannot continue any more" >&2 | |
153 | exit $res | |
154 | fi | |
155 | ||
156 | if [ $res -ne 0 ] | |
157 | then | |
158 | eval_gettextln "bisect run failed: | |
159 | 'bisect-state \$state' exited with error code \$res" >&2 | |
160 | exit $res | |
161 | fi | |
162 | ||
163 | if sane_grep "is the first $TERM_BAD commit" "$GIT_DIR/BISECT_RUN" >/dev/null | |
164 | then | |
165 | gettextln "bisect run success" | |
166 | exit 0; | |
167 | fi | |
168 | ||
169 | done | |
170 | } | |
171 | ||
172 | bisect_log () { | |
173 | test -s "$GIT_DIR/BISECT_LOG" || die "$(gettext "We are not bisecting.")" | |
174 | cat "$GIT_DIR/BISECT_LOG" | |
175 | } | |
176 | ||
177 | get_terms () { | |
178 | if test -s "$GIT_DIR/BISECT_TERMS" | |
179 | then | |
180 | { | |
181 | read TERM_BAD | |
182 | read TERM_GOOD | |
183 | } <"$GIT_DIR/BISECT_TERMS" | |
184 | fi | |
185 | } | |
186 | ||
187 | case "$#" in | |
188 | 0) | |
189 | usage ;; | |
190 | *) | |
191 | cmd="$1" | |
192 | get_terms | |
193 | shift | |
194 | case "$cmd" in | |
195 | help) | |
196 | git bisect -h ;; | |
197 | start) | |
198 | git bisect--helper --bisect-start "$@" ;; | |
199 | bad|good|new|old|"$TERM_BAD"|"$TERM_GOOD") | |
200 | git bisect--helper --bisect-state "$cmd" "$@" ;; | |
201 | skip) | |
202 | bisect_skip "$@" ;; | |
203 | next) | |
204 | # Not sure we want "next" at the UI level anymore. | |
205 | git bisect--helper --bisect-next "$@" || exit ;; | |
206 | visualize|view) | |
207 | bisect_visualize "$@" ;; | |
208 | reset) | |
209 | git bisect--helper --bisect-reset "$@" ;; | |
210 | replay) | |
211 | bisect_replay "$@" ;; | |
212 | log) | |
213 | bisect_log ;; | |
214 | run) | |
215 | bisect_run "$@" ;; | |
216 | terms) | |
217 | git bisect--helper --bisect-terms "$@" || exit;; | |
218 | *) | |
219 | usage ;; | |
220 | esac | |
221 | esac |