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| author | Michael J Gruber <git@drmicha.warpmail.net> | 2011-03-15 22:24:56 +0100 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2011-03-15 16:06:08 -0700 |
| commit | e235b9168d8df2bc00ca2c77703ce1a98935c906 (patch) | |
| tree | ce14008a9fc26abbdd7977f5548f7fe95a06a340 /Documentation | |
| parent | 9d79b7e95d9acf07ff1479f41faa860503ce280e (diff) | |
| download | git-e235b9168d8df2bc00ca2c77703ce1a98935c906.tar.gz | |
git-bisect.txt: example for bisecting with hot-fix
Give an example on how to bisect when older revisions need a hot-fix to
build, run or test. Triggered by the binutils/kernel issue at
http://thread.gmane.org/gmane.comp.gnu.binutils/52601/focus=1112779
Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/git-bisect.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/git-bisect.txt b/Documentation/git-bisect.txt index 47e8b1ed66..989e2238d6 100644 --- a/Documentation/git-bisect.txt +++ b/Documentation/git-bisect.txt @@ -294,6 +294,39 @@ It is safer if both "test.sh" and "check_test_case.sh" are outside the repository to prevent interactions between the bisect, make and test processes and the scripts. +* Automatically bisect with temporary modifications (hot-fix): ++ +------------ +$ cat ~/test.sh +#!/bin/sh + +# tweak the working tree by merging the hot-fix branch +# and then attempt a build +if git merge --no-commit hot-fix && + make +then + # run project specific test and report its status + ~/check_test_case.sh + status=$? +else + # tell the caller this is untestable + status=125 +fi + +# undo the tweak to allow clean flipping to the next commit +git reset --hard + +# return control +exit $status +------------ ++ +This applies modifications from a hot-fix branch before each test run, +e.g. in case your build or test environment changed so that older +revisions may need a fix which newer ones have already. (Make sure the +hot-fix branch is based off a commit which is contained in all revisions +which you are bisecting, so that the merge does not pull in too much, or +use `git cherry-pick` instead of `git merge`.) + * Automatically bisect a broken test case: + ------------ |