From bac59f19b12af12d59582543fbd77af3f1d06f0c Mon Sep 17 00:00:00 2001 From: Christian Couder Date: Thu, 8 May 2008 01:00:54 +0200 Subject: [PATCH] Documentation: bisect: add a few "git bisect run" examples Before this patch, there were no "git bisect run" example. Signed-off-by: Christian Couder Signed-off-by: Junio C Hamano --- Documentation/git-bisect.txt | 49 ++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 698ffde7c..539f37df2 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -224,6 +224,55 @@ tree to the pristine state. Finally the "run" script can exit with the status of the real test to let "git bisect run" command loop to know the outcome. +EXAMPLES +-------- + +* Automatically bisect a broken build between v1.2 and HEAD: ++ +------------ +$ git bisect start HEAD v1.2 -- # HEAD is bad, v1.2 is good +$ git bisect run make # "make" builds the app +------------ + +* Automatically bisect a broken test suite: ++ +------------ +$ cat ~/test.sh +#!/bin/sh +make || exit 125 # this "skip"s broken builds +make test # "make test" runs the test suite +$ git bisect start v1.3 v1.1 -- # v1.3 is bad, v1.1 is good +$ git bisect run ~/test.sh +------------ ++ +Here we use a "test.sh" custom script. In this script, if "make" +fails, we "skip" the current commit. ++ +It's safer to use a custom script outside the repo to prevent +interactions between the bisect, make and test processes and the +script. ++ +And "make test" should "exit 0", if the test suite passes, and +"exit 1" (for example) otherwise. + +* Automatically bisect a broken test case: ++ +------------ +$ cat ~/test.sh +#!/bin/sh +make || exit 125 # this "skip"s broken builds +~/check_test_case.sh # does the test case passes ? +$ git bisect start HEAD HEAD~10 -- # culprit is among the last 10 +$ git bisect run ~/test.sh +------------ ++ +Here "check_test_case.sh" should "exit 0", if the test case passes, +and "exit 1" (for example) otherwise. ++ +It's safer if both "test.sh" and "check_test_case.sh" scripts are +outside the repo to prevent interactions between the bisect, make and +test processes and the scripts. + Author ------ Written by Linus Torvalds -- 2.26.2