X-Git-Url: https://git.tokkee.org/?a=blobdiff_plain;f=Documentation%2Fgit-bisect.txt;h=4795349c10fd91c330ddde2d8397401be09cc86b;hb=afc05f9f13beded8caf15d8e58d06fd64e0f7808;hp=1072fb87d1fe38a74dc38e2d6886acfb44d9262b;hpb=1924d64f6e070edf1ad1949bf2eb95d4d2451f30;p=git.git diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 1072fb87d..4795349c1 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -16,8 +16,9 @@ The command takes various subcommands, and different options depending on the subcommand: git bisect start [ [...]] [--] [...] - git bisect bad - git bisect good + git bisect bad [] + git bisect good [...] + git bisect skip [...] git bisect reset [] git bisect visualize git bisect replay @@ -134,6 +135,20 @@ $ git reset --hard HEAD~3 # try 3 revs before what Then compile and test the one you chose to try. After that, tell bisect what the result was as usual. +Bisect skip +~~~~~~~~~~~~ + +Instead of choosing by yourself a nearby commit, you may just want git +to do it for you using: + +------------ +$ git bisect skip # Current version cannot be tested +------------ + +But computing the commit to test may be slower afterwards and git may +eventually not be able to tell the first bad among a bad and one or +more "skip"ped commits. + Cutting down bisection by giving more parameters to bisect start ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ @@ -167,14 +182,18 @@ $ git bisect run my_script ------------ Note that the "run" script (`my_script` in the above example) should -exit with code 0 in case the current source code is good and with a -code between 1 and 127 (included) in case the current source code is -bad. +exit with code 0 in case the current source code is good. Exit with a +code between 1 and 127 (inclusive), except 125, if the current +source code is bad. Any other exit code will abort the automatic bisect process. (A program that does "exit(-1)" leaves $? = 255, see exit(3) manual page, the value is chopped with "& 0377".) +The special exit code 125 should be used when the current source code +cannot be tested. If the "run" script exits with this code, the current +revision will be skipped, see `git bisect skip` above. + You may often find that during bisect you want to have near-constant tweaks (e.g., s/#define DEBUG 0/#define DEBUG 1/ in a header file, or "revision that does not have this commit needs this patch applied to