hphp/util/generate-buildinfo.sh

   1 #!/bin/bash
   2
   3 # Hacky way of disabling fbmake's pre_command.
   4 if [ ! -z "${FBMAKE_PRE_COMMAND_OUTDIR}" ]; then
   5   exit 0
   6 fi
   7
   8 if echo $1 | grep -q -e 'install_dir=' -e 'fbcode_dir=' ; then
   9   # Skip --install_dir and --fbcode_dir.
  10   shift 2
  11 fi
  12
  13 DIR=$(pwd -P)
  14
  15 if git rev-parse --show-toplevel >& /dev/null; then
  16   root=$(git rev-parse --show-toplevel)
  17   compiler="git describe --all --long --abbrev=40 --always"
  18   find_files="git ls-files -- hphp"
  19 elif hg root >& /dev/null; then
  20   root=$(hg root)
  21   if [ -f "$root/fbcode/.projectid" ]; then
  22     root="$root/fbcode"
  23   fi
  24   compiler="hg --config trusted.users='*' log -l1 -r'reverse(::.) & file(\"$root/**\")' -T'{branch}-0-g{sub(r\"^\$\",node,mirrornode(\"fbcode\",\"git\"))}\n' 2> /dev/null"
  25   find_files="hg files -I hphp/"
  26 else
  27   root=$DIR/../../
  28   # Building outside of a git repo, use system time instead.  This will make the
  29   # sha appear to change constantly, but without any insight into file state,
  30   # it's the safest fallback
  31   compiler='date +%s_%N'
  32   find_files='find hphp \( -type f -o -type l \) \! -iregex ".*\(~\|#.*\|\.swp\|/tags\|/.bash_history\|/out\)" | LC_ALL=C sort'
  33 fi
  34
  35 ################################################################################
  36
  37 unset CDPATH
  38 cd $root || exit 1
  39
  40 if [ -z "${COMPILER_ID}" ]; then
  41   COMPILER_ID=$(sh -c "$compiler")
  42 fi
  43
  44 ################################################################################
  45
  46 # Compute a hash that can be used as a unique repo schema identifier.  The
  47 # identifier incorporates the current git revision and local modifications to
  48 # managed files, but it intentionally ignores unmanaged files (even though they
  49 # could conceivably contain source code that meaningfully changes the repo
  50 # schema), because for some work flows the added instability of schema IDs is a
  51 # cure worse than the disease.
  52 if [ -z "${HHVM_REPO_SCHEMA}" ] ; then
  53   HHVM_REPO_SCHEMA=$(sh -c "$find_files" | \
  54       grep -v '^hphp/\(benchmarks\|bin\|hack\|hphp\|neo\|public_tld\|test\|tools\|util\|vixl\|zend\)' | \
  55       tr '\n' '\0' | xargs -0 cat | sha1sum | cut -b-40)
  56 fi
  57
  58 ################################################################################
  59
  60 if [ -z "${INSTALL_DIR}" ]; then
  61   INSTALL_DIR=${DIR}
  62 fi
  63
  64 COMPILER_FILE="${INSTALL_DIR}/generated-compiler-id.txt"
  65 REPO_SCHEMA_FILE="${INSTALL_DIR}/generated-repo-schema-id.txt"
  66
  67 INPUT=$1
  68 OUTPUT="${INSTALL_DIR}/hhvm"
  69
  70 echo -n "${COMPILER_ID}" > "${COMPILER_FILE}"
  71 echo -n "${HHVM_REPO_SCHEMA}" > "${REPO_SCHEMA_FILE}"