build/tree_truth.sh

   1 #!/bin/bash
   2 # Copyright 2013 The Chromium Authors. All rights reserved.
   3 # Use of this source code is governed by a BSD-style license that can be
   4 # found in the LICENSE file.
   5 #
   6 # Script for printing recent commits in a buildbot run.
   7
   8 # Return the sha1 of the given tag.  If not present, return "".
   9 # $1: path to repo
  10 # $2: tag name
  11 tt_sha1_for_tag() {
  12   oneline=$(cd $1 && git log -1 $2 --format='%H' 2>/dev/null)
  13   if [ $? -eq 0 ] ; then
  14     echo $oneline
  15   fi
  16 }
  17
  18 # Return the sha1 of HEAD, or ""
  19 # $1: path to repo
  20 tt_sha1_for_head() {
  21   ( cd $1 && git log HEAD -n1 --format='%H' | cat )
  22 }
  23
  24 # For the given repo, set tag to HEAD.
  25 # $1: path to repo
  26 # $2: tag name
  27 tt_tag_head() {
  28   ( cd $1 && git tag -f $2 )
  29 }
  30
  31 # For the given repo, delete the tag.
  32 # $1: path to repo
  33 # $2: tag name
  34 tt_delete_tag() {
  35   ( cd $1 && git tag -d $2 )
  36 }
  37
  38 # For the given repo, set tag to "three commits ago" (for testing).
  39 # $1: path to repo
  40 # $2: tag name
  41 tt_tag_three_ago() {
  42  local sh=$(cd $1 && git log --pretty=oneline -n 3 | tail -1 | awk '{print $1}')
  43   ( cd $1 && git tag -f $2 $sh )
  44 }
  45
  46 # List the commits between the given tag and HEAD.
  47 # If the tag does not exist, only list the last few.
  48 # If the tag is at HEAD, list nothing.
  49 # Output format has distinct build steps for repos with changes.
  50 # $1: path to repo
  51 # $2: tag name
  52 # $3: simple/short repo name to use for display
  53 tt_list_commits() {
  54   local tag_sha1=$(tt_sha1_for_tag $1 $2)
  55   local head_sha1=$(tt_sha1_for_head $1)
  56   local display_name=$(echo $3 | sed 's#/#_#g')
  57   if [ "${tag_sha1}" = "${head_sha1}" ] ; then
  58     return
  59   fi
  60   if [ "${tag_sha1}" = "" ] ; then
  61     echo "@@@BUILD_STEP Recent commits in repo $display_name@@@"
  62     echo "NOTE: git tag was not found so we have no baseline."
  63     echo "Here are some recent commits, but they may not be new for this build."
  64     ( cd $1 && git log -n 10 --stat | cat)
  65   else
  66     echo "@@@BUILD_STEP New commits in repo $display_name@@@"
  67     ( cd $1 && git log -n 500 $2..HEAD --stat | cat)
  68   fi
  69 }
  70
  71 # Clean out the tree truth tags in all repos.  For testing.
  72 tt_clean_all() {
  73  for project in $@; do
  74    tt_delete_tag $CHROME_SRC/../$project tree_truth
  75  done
  76 }
  77
  78 # Print tree truth for all clank repos.
  79 tt_print_all() {
  80  for project in $@; do
  81    local full_path=$CHROME_SRC/../$project
  82    tt_list_commits $full_path tree_truth $project
  83    tt_tag_head $full_path tree_truth
  84  done
  85 }
  86
  87 # Print a summary of the last 10 commits for each repo.
  88 tt_brief_summary() {
  89   echo "@@@BUILD_STEP Brief summary of recent CLs in every branch@@@"
  90   for project in $@; do
  91     echo $project:
  92     local full_path=$CHROME_SRC/../$project
  93     (cd $full_path && git log -n 10 --format="   %H %s   %an, %ad" | cat)
  94     echo "================================================================="
  95   done
  96 }
  97
  98 CHROME_SRC=$1
  99 shift
 100 PROJECT_LIST=$@
 101 tt_brief_summary $PROJECT_LIST
 102 tt_print_all $PROJECT_LIST