BUILD-478 Set TRAVIS_BUILD_DIR in ramdisk

.travis/setup_ramdisk.sh

@@ -7,15 +7,16 @@ printf "${RED}SETUP RAMDISK${NC}\n"
 printf "${RED}disk size before build${NC}\n"
 df -h
 du -sh $HOME
+du -sh $TRAVIS_BUILD_DIR
 
-printf "${RED}move original home${NC}\n"
-sudo mv /home/travis /home/travis.ori
+printf "${RED}move original TRAVIS_BUILD_DIR${NC}\n"
+sudo mv $TRAVIS_BUILD_DIR $TRAVIS_BUILD_DIR.ori
 printf "${RED}create ramdisk mount point${NC}\n"
-sudo mkdir -p /home/travis
+sudo mkdir -p $TRAVIS_BUILD_DIR
 printf "${RED}create ramdisk${NC}\n"
-sudo mount -t tmpfs -o size=8192m tmps /home/travis
-printf "${RED}copy home to ramdisk${NC}\n"
-time sudo cp -R /home/travis.ori/. /home/travis
-printf "${RED}give permissions to travis on its home in ramdisk${NC}\n"
-sudo chown -R travis:travis /home/travis
+sudo mount -t tmpfs -o size=8192m tmps $TRAVIS_BUILD_DIR
+printf "${RED}copy TRAVIS_BUILD_DIR to ramdisk${NC}\n"
+time sudo cp -R $TRAVIS_BUILD_DIR.ori/. $TRAVIS_BUILD_DIR
+printf "${RED}give permissions to travis on its TRAVIS_BUILD_DIR in ramdisk${NC}\n"
+sudo chown -R travis:travis $TRAVIS_BUILD_DIR
 

travis.sh

@@ -1,6 +1,8 @@
 #!/bin/bash
 set -euo pipefail
 
+./.travis/setup_ramdisk.sh
+
 #
 # A (too) old version of JDK8 is installed by default on Travis.
 # This method is preferred over Travis apt oracle-java8-installer because