ppg-commit

   1 #!/bin/bash
   2
   3 if [[ -n "${PPG_DEBUG}" ]]; then
   4         set -x
   5 fi
   6
   7 PPG_EXEC_PATH=$( dirname $(readlink -f "${BASH_SOURCE[0]}" ) )
   8 GIT_EXEC_PATH=$(git --exec-path)
   9 GIT_DIR=$(git rev-parse --git-dir)
  10
  11 if [ -z "$GIT_DIR" ]; then
  12         echo >&2 "Not in a git checkout"
  13         exit 1
  14 fi
  15
  16 ## we walk the options to extract any ppg-commit options
  17 ## any other option is passed on to git-commit
  18 immediate=
  19
  20 ## actually don't init the var, to avoid prepending
  21 ## an empty string to the array
  22 #gitcommitargs=
  23
  24 while test $# != 0
  25 do
  26         myvar=
  27         case "$1" in
  28         --immediate)
  29         immediate=t
  30         myvar=t
  31                 ;;
  32         esac
  33         if [ -z "$myvar" ]; then
  34                 # array push
  35                 gitcommitargs[${#gitcommitargs[@]}]="$1"
  36         fi
  37         shift
  38 done
  39
  40 # these may not exist
  41 production_sha1=$(git rev-parse --revs-only refs/heads/production 2>/dev/null)
  42 orig_production_sha1=$(git rev-parse --revs-only origin/production \
  43         2>/dev/null )
  44
  45 if [ -n "$production_sha1" -a -n "$orig_production_sha1" ]; then
  46         if [ "$production_sha1" != "$orig_production_sha1" ]; then
  47                 echo "Fast-forwarding local production head to match origin/production"
  48                 if ! git push . $orig_production_sha1:refs/heads/production ; then
  49                         echo >&2 "ERROR: production and origin/production have diverged!"
  50                         exit 1
  51                 fi
  52         fi
  53 fi
  54
  55 if [ -n "$immediate" ]; then
  56         # sanity-check we are on master
  57         headname=$(git rev-parse --symbolic-full-name --revs-only HEAD)
  58         if [ "$headname" != "refs/heads/master" ]; then
  59                 echo >&2 "ERROR: can only issue immediate commit on the master branch!"
  60                 exit 1
  61         fi
  62 fi
  63
  64 $PPG_EXEC_PATH/ppg-validate-staged-files || exit 1
  65
  66 export PPG_COMMIT=yes
  67 git commit "${gitcommitargs[@]}" || exit 1
  68
  69 if [ -n "$immediate" ]; then
  70         if [ -z "$production_sha1" ]; then
  71                 echo "Creating production branch"
  72                 git branch production master
  73                 production_sha1=$(git rev-parse --revs-only production)
  74         else
  75                 if [[ $(git log --oneline production..HEAD|wc -l) -gt 1 ]]; then
  76                         echo
  77                         echo WARNING: More than one change will be scheduled for immediate
  78                         echo          deployment. Please review the list of commits.
  79                         echo
  80                         git log --pretty=short --stat production..HEAD
  81                         echo
  82                         echo -n "Is this correct? [Ny] "
  83                         read correct
  84                         if [[ "${correct:0:1}" != 'Y' ]] && [[ "${correct:0:1}" != 'y' ]];
  85                             then
  86                         echo Cancelling immediate schedule.
  87                         exit 1
  88                         fi
  89                 fi
  90                 if ! git push . HEAD:refs/heads/production ; then
  91                         echo >&2 "ERROR: cannot fast-forward master to production"
  92                         echo >&2 "       make sure the branches have not diverged"
  93                         exit 1
  94                 fi
  95         fi
  96         echo "Immediate commit successful -- remember to git push --all"
  97         echo "to publish the changes on the gold server."
  98 else
  99         echo 'Checking for scheduled updates to the production branch...'
 100     $PPG_EXEC_PATH/ppg-update-production
 101 fi