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[PATCHv2 3/5] travis-ci: don't repeat the path of the cache directory

From
SZEDER Gábor <szeder.dev@gmail.com>
Date
Jan 29, 2018, 17:17 UTC
Message-ID
<20180129171713.17471-4-szeder.dev@gmail.com>
In-Reply-To
<20180129171713.17471-1-szeder.dev@gmail.com>

Some of our 'ci/*' scripts repeat the name or full path of the Travis CI cache directory, and the following patches will add new places using that path.

Use a variable to refer to the path of the cache directory instead, so it's hard-coded only in a single place.

Pay extra attention to the 32 bit Linux build: it runs in a Docker container, so pass the path of the cache directory from the host to the container in an environment variable. Note that an environment variable passed this way is exported inside the container, therefore its value is directly available in the 'su' snippet even though that snippet is single quoted. Furthermore, use the variable in the container only if it's been assigned a non-empty value, to prevent errors when someone is running or debugging the Docker build locally, because in that case the variable won't be set as there won't be any Travis CI cache.

Signed-off-by: SZEDER Gábor <szeder.dev@gmail.com>
---
 ci/lib-travisci.sh       | 7 ++++---
 ci/run-linux32-build.sh  | 2 +-
 ci/run-linux32-docker.sh | 5 ++++-
 ci/run-tests.sh          | 3 ++-
 4 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/ci/lib-travisci.sh b/ci/lib-travisci.sh
index 07f27c727..1efee55ef 100755
--- a/ci/lib-travisci.sh
+++ b/ci/lib-travisci.sh
@@ -21,8 +21,6 @@ skip_branch_tip_with_tag () {
 	fi
 }
 
-good_trees_file="$HOME/travis-cache/good-trees"
-
 # Save some info about the current commit's tree, so we can skip the build
 # job if we encounter the same tree again and can provide a useful info
 # message.
@@ -83,7 +81,10 @@ check_unignored_build_artifacts ()
 # and installing dependencies.
 set -ex
 
-mkdir -p "$HOME/travis-cache"
+cache_dir="$HOME/travis-cache"
+good_trees_file="$cache_dir/good-trees"
+
+mkdir -p "$cache_dir"
 
 skip_branch_tip_with_tag
 skip_good_tree
diff --git a/ci/run-linux32-build.sh b/ci/run-linux32-build.sh
index 248183982..d020b762c 100755
--- a/ci/run-linux32-build.sh
+++ b/ci/run-linux32-build.sh
@@ -28,7 +28,7 @@ test -z $HOST_UID || (CI_USER="ci" && useradd -u $HOST_UID $CI_USER)
 linux32 --32bit i386 su -m -l $CI_USER -c '
 	set -ex
 	cd /usr/src/git
-	ln -s /tmp/travis-cache/.prove t/.prove
+	test -n "$cache_dir" && ln -s "$cache_dir/.prove" t/.prove
 	make --jobs=2
 	make --quiet test
 '
diff --git a/ci/run-linux32-docker.sh b/ci/run-linux32-docker.sh
index 4f191c5bb..15288ea2c 100755
--- a/ci/run-linux32-docker.sh
+++ b/ci/run-linux32-docker.sh
@@ -11,6 +11,8 @@ docker pull daald/ubuntu32:xenial
 # $ docker run -itv "${PWD}:/usr/src/git" --entrypoint /bin/bash daald/ubuntu32:xenial
 # root@container:/# /usr/src/git/ci/run-linux32-build.sh
 
+container_cache_dir=/tmp/travis-cache
+
 docker run \
 	--interactive \
 	--env DEVELOPER \
@@ -18,8 +20,9 @@ docker run \
 	--env GIT_PROVE_OPTS \
 	--env GIT_TEST_OPTS \
 	--env GIT_TEST_CLONE_2GB \
+	--env cache_dir="$container_cache_dir" \
 	--volume "${PWD}:/usr/src/git" \
-	--volume "${HOME}/travis-cache:/tmp/travis-cache" \
+	--volume "$cache_dir:$container_cache_dir" \
 	daald/ubuntu32:xenial \
 	/usr/src/git/ci/run-linux32-build.sh $(id -u $USER)
 
diff --git a/ci/run-tests.sh b/ci/run-tests.sh
index 22355f009..deba73d9b 100755
--- a/ci/run-tests.sh
+++ b/ci/run-tests.sh
@@ -5,7 +5,8 @@
 
 . ${0%/*}/lib-travisci.sh
 
-ln -s $HOME/travis-cache/.prove t/.prove
+ln -s "$cache_dir/.prove" t/.prove
+
 make --quiet test
 
 check_unignored_build_artifacts
-- 
2.16.1.158.ge6451079d
Previous: SZEDER GáborNext: SZEDER Gábor
Message 3 of 7 in “[PATCHv2 0/5] Travis CI: don't run the test suite as root in the 32 bit Linux build”
  1. SZEDER GáborJan 29, 2018
  2. 1/5 travis-ci: use 'set -x' for the commands under 'su' in the 32 bit Linux buildSZEDER Gábor, Jan 29, 2018
  3. 3/5 travis-ci: don't repeat the path of the cache directorySZEDER Gábor, Jan 29, 2018
  4. 5/5 travis-ci: don't fail if user already exists on 32 bit Linux build jobSZEDER Gábor, Jan 29, 2018
  5. 2/5 travis-ci: use 'set -e' in the 32 bit Linux build jobSZEDER Gábor, Jan 29, 2018
  6. 4/5 travis-ci: don't run the test suite as root in the 32 bit Linux buildSZEDER Gábor, Jan 29, 2018
  7. Jeff KingJan 29, 2018

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