travis-ci: do not skip successfully tested trees in debug mode
[git/git.git] / ci / lib.sh
CommitLineData
657343a6
LS
1# Library of functions shared by all CI scripts
2
09f5e974
LS
3skip_branch_tip_with_tag () {
4 # Sometimes, a branch is pushed at the same time the tag that points
5 # at the same commit as the tip of the branch is pushed, and building
6 # both at the same time is a waste.
7 #
4096a98d
JS
8 # When the build is triggered by a push to a tag, $CI_BRANCH will
9 # have that tagname, e.g. v2.14.0. Let's see if $CI_BRANCH is
10 # exactly at a tag, and if so, if it is different from $CI_BRANCH.
11 # That way, we can tell if we are building the tip of a branch that
12 # is tagged and we can skip the build because we won't be skipping a
13 # build of a tag.
09f5e974 14
4096a98d
JS
15 if TAG=$(git describe --exact-match "$CI_BRANCH" 2>/dev/null) &&
16 test "$TAG" != "$CI_BRANCH"
09f5e974 17 then
4096a98d 18 echo "$(tput setaf 2)Tip of $CI_BRANCH is exactly at $TAG$(tput sgr0)"
09f5e974
LS
19 exit 0
20 fi
21}
22
9cc2c76f
SG
23# Save some info about the current commit's tree, so we can skip the build
24# job if we encounter the same tree again and can provide a useful info
25# message.
26save_good_tree () {
b011fabd 27 echo "$(git rev-parse $CI_COMMIT^{tree}) $CI_COMMIT $CI_JOB_NUMBER $CI_JOB_ID" >>"$good_trees_file"
9cc2c76f
SG
28 # limit the file size
29 tail -1000 "$good_trees_file" >"$good_trees_file".tmp
30 mv "$good_trees_file".tmp "$good_trees_file"
31}
32
33# Skip the build job if the same tree has already been built and tested
34# successfully before (e.g. because the branch got rebased, changing only
35# the commit messages).
36skip_good_tree () {
c46ebc24
SG
37 if test "$TRAVIS_DEBUG_MODE" = true
38 then
39 return
40 fi
41
b011fabd 42 if ! good_tree_info="$(grep "^$(git rev-parse $CI_COMMIT^{tree}) " "$good_trees_file")"
9cc2c76f
SG
43 then
44 # Haven't seen this tree yet, or no cached good trees file yet.
45 # Continue the build job.
46 return
47 fi
48
49 echo "$good_tree_info" | {
50 read tree prev_good_commit prev_good_job_number prev_good_job_id
51
b011fabd 52 if test "$CI_JOB_ID" = "$prev_good_job_id"
9cc2c76f
SG
53 then
54 cat <<-EOF
b011fabd 55 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
9cc2c76f
SG
56 This commit has already been built and tested successfully by this build job.
57 To force a re-build delete the branch's cache and then hit 'Restart job'.
58 EOF
59 else
60 cat <<-EOF
b011fabd 61 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
9cc2c76f 62 This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit.
b011fabd 63 The log of that build job is available at $(url_for_job_id $prev_good_job_id)
9cc2c76f
SG
64 To force a re-build delete the branch's cache and then hit 'Restart job'.
65 EOF
66 fi
67 }
68
69 exit 0
70}
71
b92cb86e
SG
72check_unignored_build_artifacts ()
73{
74 ! git ls-files --other --exclude-standard --error-unmatch \
75 -- ':/*' 2>/dev/null ||
76 {
77 echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)"
78 false
79 }
80}
81
a8c51f77
JH
82# Clear MAKEFLAGS that may come from the outside world.
83export MAKEFLAGS=
84
657343a6 85# Set 'exit on error' for all CI scripts to let the caller know that
a8b8b6b8
SG
86# something went wrong.
87# Set tracing executed commands, primarily setting environment variables
88# and installing dependencies.
4f263666 89set -ex
09f5e974 90
b011fabd
JS
91if test true = "$TRAVIS"
92then
93 CI_TYPE=travis
94 # When building a PR, TRAVIS_BRANCH refers to the *target* branch. Not
95 # what we want here. We want the source branch instead.
96 CI_BRANCH="${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}"
97 CI_COMMIT="$TRAVIS_COMMIT"
98 CI_JOB_ID="$TRAVIS_JOB_ID"
99 CI_JOB_NUMBER="$TRAVIS_JOB_NUMBER"
100 CI_OS_NAME="$TRAVIS_OS_NAME"
101 CI_REPO_SLUG="$TRAVIS_REPO_SLUG"
102
103 cache_dir="$HOME/travis-cache"
104
105 url_for_job_id () {
106 echo "https://travis-ci.org/$CI_REPO_SLUG/jobs/$1"
107 }
108
109 BREW_INSTALL_PACKAGES="git-lfs gettext"
110 export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save"
111 export GIT_TEST_OPTS="--verbose-log -x --immediate"
a8c51f77 112 MAKEFLAGS="$MAKEFLAGS --jobs=2"
6141a2ed
JS
113elif test -n "$SYSTEM_COLLECTIONURI" || test -n "$SYSTEM_TASKDEFINITIONSURI"
114then
115 CI_TYPE=azure-pipelines
116 # We are running in Azure Pipelines
117 CI_BRANCH="$BUILD_SOURCEBRANCH"
118 CI_COMMIT="$BUILD_SOURCEVERSION"
119 CI_JOB_ID="$BUILD_BUILDID"
120 CI_JOB_NUMBER="$BUILD_BUILDNUMBER"
121 CI_OS_NAME="$(echo "$AGENT_OS" | tr A-Z a-z)"
122 test darwin != "$CI_OS_NAME" || CI_OS_NAME=osx
123 CI_REPO_SLUG="$(expr "$BUILD_REPOSITORY_URI" : '.*/\([^/]*/[^/]*\)$')"
124 CC="${CC:-gcc}"
125
126 # use a subdirectory of the cache dir (because the file share is shared
127 # among *all* phases)
128 cache_dir="$HOME/test-cache/$SYSTEM_PHASENAME"
129
130 url_for_job_id () {
131 echo "$SYSTEM_TASKDEFINITIONSURI$SYSTEM_TEAMPROJECT/_build/results?buildId=$1"
132 }
133
57cbc53d 134 BREW_INSTALL_PACKAGES=gcc@8
6141a2ed
JS
135 export GIT_PROVE_OPTS="--timer --jobs 10 --state=failed,slow,save"
136 export GIT_TEST_OPTS="--verbose-log -x --write-junit-xml"
a8c51f77 137 MAKEFLAGS="$MAKEFLAGS --jobs=10"
a87e427e
JS
138 test windows_nt != "$CI_OS_NAME" ||
139 GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
b011fabd
JS
140else
141 echo "Could not identify CI type" >&2
142 exit 1
143fi
4096a98d 144
b2cbaa09
SG
145good_trees_file="$cache_dir/good-trees"
146
147mkdir -p "$cache_dir"
b4a2fdc9 148
09f5e974 149skip_branch_tip_with_tag
9cc2c76f 150skip_good_tree
83d1efe5 151
bf427a94
SG
152if test -z "$jobname"
153then
b011fabd 154 jobname="$CI_OS_NAME-$CC"
bf427a94
SG
155fi
156
e3371e92
SG
157export DEVELOPER=1
158export DEFAULT_TEST_TARGET=prove
e3371e92
SG
159export GIT_TEST_CLONE_2GB=YesPlease
160
bf427a94
SG
161case "$jobname" in
162linux-clang|linux-gcc)
2c8921db
SG
163 if [ "$jobname" = linux-gcc ]
164 then
165 export CC=gcc-8
166 fi
167
a1157b76
SG
168 export GIT_TEST_HTTPD=YesPlease
169
e3371e92 170 # The Linux build installs the defined dependency versions below.
37a2e353
SG
171 # The OS X build installs much more recent versions, whichever
172 # were recorded in the Homebrew database upon creating the OS X
173 # image.
174 # Keep that in mind when you encounter a broken OS X build!
e3371e92
SG
175 export LINUX_P4_VERSION="16.2"
176 export LINUX_GIT_LFS_VERSION="1.5.2"
177
88e00b70
SG
178 P4_PATH="$HOME/custom/p4"
179 GIT_LFS_PATH="$HOME/custom/git-lfs"
83d1efe5
SG
180 export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH"
181 ;;
e3371e92 182osx-clang|osx-gcc)
2c8921db
SG
183 if [ "$jobname" = osx-gcc ]
184 then
185 export CC=gcc-8
186 fi
187
e3371e92
SG
188 # t9810 occasionally fails on Travis CI OS X
189 # t9816 occasionally fails with "TAP out of sequence errors" on
190 # Travis CI OS X
191 export GIT_SKIP_TESTS="t9810 t9816"
192 ;;
6cdccfce 193GIT_TEST_GETTEXT_POISON)
1ff750b1 194 export GIT_TEST_GETTEXT_POISON=true
e3371e92 195 ;;
83d1efe5 196esac
2c8921db 197
a8c51f77 198MAKEFLAGS="$MAKEFLAGS CC=${CC:-cc}"