Merge branch 'sg/travis-gcc-4.8'
[git/git.git] / ci / lib.sh
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1# Library of functions shared by all CI scripts
2
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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 #
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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 $CI_BRANCH.
11 # That way, we can tell if we are building the tip of a branch that
12 # is tagged and we can skip the build because we won't be skipping a
13 # build of a tag.
09f5e974 14
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15 if TAG=$(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)"
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19 exit 0
20 fi
21}
22
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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"
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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 () {
b011fabd 37 if ! good_tree_info="$(grep "^$(git rev-parse $CI_COMMIT^{tree}) " "$good_trees_file")"
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38 then
39 # Haven't seen this tree yet, or no cached good trees file yet.
40 # Continue the build job.
41 return
42 fi
43
44 echo "$good_tree_info" | {
45 read tree prev_good_commit prev_good_job_number prev_good_job_id
46
b011fabd 47 if test "$CI_JOB_ID" = "$prev_good_job_id"
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48 then
49 cat <<-EOF
b011fabd 50 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
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51 This commit has already been built and tested successfully by this build job.
52 To force a re-build delete the branch's cache and then hit 'Restart job'.
53 EOF
54 else
55 cat <<-EOF
b011fabd 56 $(tput setaf 2)Skipping build job for commit $CI_COMMIT.$(tput sgr0)
9cc2c76f 57 This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit.
b011fabd 58 The log of that build job is available at $(url_for_job_id $prev_good_job_id)
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59 To force a re-build delete the branch's cache and then hit 'Restart job'.
60 EOF
61 fi
62 }
63
64 exit 0
65}
66
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67check_unignored_build_artifacts ()
68{
69 ! git ls-files --other --exclude-standard --error-unmatch \
70 -- ':/*' 2>/dev/null ||
71 {
72 echo "$(tput setaf 1)error: found unignored build artifacts$(tput sgr0)"
73 false
74 }
75}
76
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77# Clear MAKEFLAGS that may come from the outside world.
78export MAKEFLAGS=
79
657343a6 80# Set 'exit on error' for all CI scripts to let the caller know that
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81# something went wrong.
82# Set tracing executed commands, primarily setting environment variables
83# and installing dependencies.
4f263666 84set -ex
09f5e974 85
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86if test true = "$TRAVIS"
87then
88 CI_TYPE=travis
89 # When building a PR, TRAVIS_BRANCH refers to the *target* branch. Not
90 # what we want here. We want the source branch instead.
91 CI_BRANCH="${TRAVIS_PULL_REQUEST_BRANCH:-$TRAVIS_BRANCH}"
92 CI_COMMIT="$TRAVIS_COMMIT"
93 CI_JOB_ID="$TRAVIS_JOB_ID"
94 CI_JOB_NUMBER="$TRAVIS_JOB_NUMBER"
95 CI_OS_NAME="$TRAVIS_OS_NAME"
96 CI_REPO_SLUG="$TRAVIS_REPO_SLUG"
97
98 cache_dir="$HOME/travis-cache"
99
100 url_for_job_id () {
101 echo "https://travis-ci.org/$CI_REPO_SLUG/jobs/$1"
102 }
103
104 BREW_INSTALL_PACKAGES="git-lfs gettext"
105 export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save"
106 export GIT_TEST_OPTS="--verbose-log -x --immediate"
a8c51f77 107 MAKEFLAGS="$MAKEFLAGS --jobs=2"
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108elif test -n "$SYSTEM_COLLECTIONURI" || test -n "$SYSTEM_TASKDEFINITIONSURI"
109then
110 CI_TYPE=azure-pipelines
111 # We are running in Azure Pipelines
112 CI_BRANCH="$BUILD_SOURCEBRANCH"
113 CI_COMMIT="$BUILD_SOURCEVERSION"
114 CI_JOB_ID="$BUILD_BUILDID"
115 CI_JOB_NUMBER="$BUILD_BUILDNUMBER"
116 CI_OS_NAME="$(echo "$AGENT_OS" | tr A-Z a-z)"
117 test darwin != "$CI_OS_NAME" || CI_OS_NAME=osx
118 CI_REPO_SLUG="$(expr "$BUILD_REPOSITORY_URI" : '.*/\([^/]*/[^/]*\)$')"
119 CC="${CC:-gcc}"
120
121 # use a subdirectory of the cache dir (because the file share is shared
122 # among *all* phases)
123 cache_dir="$HOME/test-cache/$SYSTEM_PHASENAME"
124
125 url_for_job_id () {
126 echo "$SYSTEM_TASKDEFINITIONSURI$SYSTEM_TEAMPROJECT/_build/results?buildId=$1"
127 }
128
57cbc53d 129 BREW_INSTALL_PACKAGES=gcc@8
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130 export GIT_PROVE_OPTS="--timer --jobs 10 --state=failed,slow,save"
131 export GIT_TEST_OPTS="--verbose-log -x --write-junit-xml"
a8c51f77 132 MAKEFLAGS="$MAKEFLAGS --jobs=10"
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133 test windows_nt != "$CI_OS_NAME" ||
134 GIT_TEST_OPTS="--no-chain-lint --no-bin-wrappers $GIT_TEST_OPTS"
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135else
136 echo "Could not identify CI type" >&2
137 exit 1
138fi
4096a98d 139
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140good_trees_file="$cache_dir/good-trees"
141
142mkdir -p "$cache_dir"
b4a2fdc9 143
09f5e974 144skip_branch_tip_with_tag
9cc2c76f 145skip_good_tree
83d1efe5 146
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147if test -z "$jobname"
148then
b011fabd 149 jobname="$CI_OS_NAME-$CC"
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150fi
151
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152export DEVELOPER=1
153export DEFAULT_TEST_TARGET=prove
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154export GIT_TEST_CLONE_2GB=YesPlease
155
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156case "$jobname" in
157linux-clang|linux-gcc)
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158 if [ "$jobname" = linux-gcc ]
159 then
160 export CC=gcc-8
161 fi
162
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163 export GIT_TEST_HTTPD=YesPlease
164
e3371e92 165 # The Linux build installs the defined dependency versions below.
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166 # The OS X build installs much more recent versions, whichever
167 # were recorded in the Homebrew database upon creating the OS X
168 # image.
169 # Keep that in mind when you encounter a broken OS X build!
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170 export LINUX_P4_VERSION="16.2"
171 export LINUX_GIT_LFS_VERSION="1.5.2"
172
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173 P4_PATH="$HOME/custom/p4"
174 GIT_LFS_PATH="$HOME/custom/git-lfs"
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175 export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH"
176 ;;
e3371e92 177osx-clang|osx-gcc)
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178 if [ "$jobname" = osx-gcc ]
179 then
180 export CC=gcc-8
181 fi
182
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183 # t9810 occasionally fails on Travis CI OS X
184 # t9816 occasionally fails with "TAP out of sequence errors" on
185 # Travis CI OS X
186 export GIT_SKIP_TESTS="t9810 t9816"
187 ;;
6cdccfce 188GIT_TEST_GETTEXT_POISON)
1ff750b1 189 export GIT_TEST_GETTEXT_POISON=true
e3371e92 190 ;;
83d1efe5 191esac
2c8921db 192
a8c51f77 193MAKEFLAGS="$MAKEFLAGS CC=${CC:-cc}"