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657343a6 LS |
1 | # Library of functions shared by all CI scripts |
2 | ||
09f5e974 LS |
3 | skip_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 | # | |
8 | # Travis gives a tagname e.g. v2.14.0 in $TRAVIS_BRANCH when | |
9 | # the build is triggered by a push to a tag. Let's see if | |
10 | # $TRAVIS_BRANCH is exactly at a tag, and if so, if it is | |
11 | # different from $TRAVIS_BRANCH. That way, we can tell if | |
12 | # we are building the tip of a branch that is tagged and | |
13 | # we can skip the build because we won't be skipping a build | |
14 | # of a tag. | |
15 | ||
16 | if TAG=$(git describe --exact-match "$TRAVIS_BRANCH" 2>/dev/null) && | |
8376eb4a | 17 | test "$TAG" != "$TRAVIS_BRANCH" |
09f5e974 | 18 | then |
495ea6cd | 19 | echo "$(tput setaf 2)Tip of $TRAVIS_BRANCH is exactly at $TAG$(tput sgr0)" |
09f5e974 LS |
20 | exit 0 |
21 | fi | |
22 | } | |
23 | ||
9cc2c76f SG |
24 | good_trees_file="$HOME/travis-cache/good-trees" |
25 | ||
26 | # Save some info about the current commit's tree, so we can skip the build | |
27 | # job if we encounter the same tree again and can provide a useful info | |
28 | # message. | |
29 | save_good_tree () { | |
30 | echo "$(git rev-parse $TRAVIS_COMMIT^{tree}) $TRAVIS_COMMIT $TRAVIS_JOB_NUMBER $TRAVIS_JOB_ID" >>"$good_trees_file" | |
31 | # limit the file size | |
32 | tail -1000 "$good_trees_file" >"$good_trees_file".tmp | |
33 | mv "$good_trees_file".tmp "$good_trees_file" | |
34 | } | |
35 | ||
36 | # Skip the build job if the same tree has already been built and tested | |
37 | # successfully before (e.g. because the branch got rebased, changing only | |
38 | # the commit messages). | |
39 | skip_good_tree () { | |
40 | if ! good_tree_info="$(grep "^$(git rev-parse $TRAVIS_COMMIT^{tree}) " "$good_trees_file")" | |
41 | then | |
42 | # Haven't seen this tree yet, or no cached good trees file yet. | |
43 | # Continue the build job. | |
44 | return | |
45 | fi | |
46 | ||
47 | echo "$good_tree_info" | { | |
48 | read tree prev_good_commit prev_good_job_number prev_good_job_id | |
49 | ||
50 | if test "$TRAVIS_JOB_ID" = "$prev_good_job_id" | |
51 | then | |
52 | cat <<-EOF | |
53 | $(tput setaf 2)Skipping build job for commit $TRAVIS_COMMIT.$(tput sgr0) | |
54 | This commit has already been built and tested successfully by this build job. | |
55 | To force a re-build delete the branch's cache and then hit 'Restart job'. | |
56 | EOF | |
57 | else | |
58 | cat <<-EOF | |
59 | $(tput setaf 2)Skipping build job for commit $TRAVIS_COMMIT.$(tput sgr0) | |
60 | This commit's tree has already been built and tested successfully in build job $prev_good_job_number for commit $prev_good_commit. | |
61 | The log of that build job is available at https://travis-ci.org/$TRAVIS_REPO_SLUG/jobs/$prev_good_job_id | |
62 | To force a re-build delete the branch's cache and then hit 'Restart job'. | |
63 | EOF | |
64 | fi | |
65 | } | |
66 | ||
67 | exit 0 | |
68 | } | |
69 | ||
657343a6 | 70 | # Set 'exit on error' for all CI scripts to let the caller know that |
a8b8b6b8 SG |
71 | # something went wrong. |
72 | # Set tracing executed commands, primarily setting environment variables | |
73 | # and installing dependencies. | |
4f263666 | 74 | set -ex |
09f5e974 | 75 | |
b4a2fdc9 SG |
76 | mkdir -p "$HOME/travis-cache" |
77 | ||
09f5e974 | 78 | skip_branch_tip_with_tag |
9cc2c76f | 79 | skip_good_tree |
83d1efe5 | 80 | |
bf427a94 SG |
81 | if test -z "$jobname" |
82 | then | |
83 | jobname="$TRAVIS_OS_NAME-$CC" | |
84 | fi | |
85 | ||
e3371e92 SG |
86 | export DEVELOPER=1 |
87 | export DEFAULT_TEST_TARGET=prove | |
88 | export GIT_PROVE_OPTS="--timer --jobs 3 --state=failed,slow,save" | |
89 | export GIT_TEST_OPTS="--verbose-log" | |
90 | export GIT_TEST_CLONE_2GB=YesPlease | |
91 | ||
bf427a94 SG |
92 | case "$jobname" in |
93 | linux-clang|linux-gcc) | |
a1157b76 SG |
94 | export GIT_TEST_HTTPD=YesPlease |
95 | ||
e3371e92 SG |
96 | # The Linux build installs the defined dependency versions below. |
97 | # The OS X build installs the latest available versions. Keep that | |
98 | # in mind when you encounter a broken OS X build! | |
99 | export LINUX_P4_VERSION="16.2" | |
100 | export LINUX_GIT_LFS_VERSION="1.5.2" | |
101 | ||
83d1efe5 SG |
102 | P4_PATH="$(pwd)/custom/p4" |
103 | GIT_LFS_PATH="$(pwd)/custom/git-lfs" | |
104 | export PATH="$GIT_LFS_PATH:$P4_PATH:$PATH" | |
105 | ;; | |
e3371e92 SG |
106 | osx-clang|osx-gcc) |
107 | # t9810 occasionally fails on Travis CI OS X | |
108 | # t9816 occasionally fails with "TAP out of sequence errors" on | |
109 | # Travis CI OS X | |
110 | export GIT_SKIP_TESTS="t9810 t9816" | |
111 | ;; | |
112 | GETTEXT_POISON) | |
113 | export GETTEXT_POISON=YesPlease | |
114 | ;; | |
83d1efe5 | 115 | esac |