[draft] deploy with gitolite. This is a draft, feel free to comment. This is not bug free (yet), some push may not work properly. Pushing tags produce an error (or something like that), and there is something by pushing new branches

deploy

#!/bin/bash
#
# file : serveur-prod:/home/git/scripts/deploy
# desc : This script deploy a pushed branch in web directory specified in conf/$repo-name.conf
#
# author : Michaël Marinetti
# creation : 2012-09-07
# modified : 2013-01-24
#
# LOG
#
# 2012-10-02
# now aborting if some files are not commited
# 2012-10-05
# better informations
# 2012-10-08
# add git show HEAD and git status --short --branch to show diverged information
# 2012-10-08
# rm git show, add git log -n1
# 2012-10-23
# now cancel if branch has diverged
# 2013-01-24
# change variable names
#

branch=$1
repo_name=$2

if (test -z "$repo_name" ) then
  echo "repo_name is missing oO"
  exit 1
fi

tmp_file_content=$(mktemp)

#################################

# list of updatable directories, relative to their branch
source `dirname "$0"`/conf/$repo_name.conf
if (test -n "${dirs[$branch]}" -o -n "${dirs['all']}") then
        do_update=1
        if (test -n "${dirs[$branch]}") then
                dir=${dirs[$branch]}
                echo "<p>path '$dir' will be updated.</p>" >> $tmp_file_content
        else
                dir=${dirs['all']}
                echo "<p>path '$dir' will be updated if the branch correponds.</p>" >> $tmp_file_content
        fi
else
        do_update=0
        echo "<p>No path to update has been found (either branch '$branch' is not configured, and 'all' param is empty).</p>" >> $tmp_file_content
fi


if (test -n "$dir") then
        cd $dir
        unset GIT_DIR
        git_status_branch="$(git status --branch --short)"
        fetch_origin=$(git fetch origin)
        last_err=$?
        behind_or_ahead="$(echo $git_status_branch|grep "ahead\|behind")"
        git_status_branch_humanreadable="<p>git status --branch --short<br/>$git_status_branch</p>"

        branch_to_update=$branch
        current_branch=$(git symbolic-ref HEAD 2>/dev/null)
        current_branch=${current_branch#refs/heads/}
        if (test $last_err -ne 0) then
                echo "<p style='color:red;font-weight:bold'>ERROR on git fetch origin</p>" >> $tmp_file_content
        else
                if (test "$current_branch" = "$branch_to_update") then
                        if (test -n "$fetch_origin" ) then
                                echo "<br/>fetch origin result: <br/>$fetch_origin</pre>" >> $tmp_file_content
                        fi
                        count_status=$(git st --porcelain|wc -l)
                        git_show_head="<p>git show HEAD</p><pre> $(git log -n1 --pretty=medium) </pre>"
                        if (test $count_status -gt 0) then
                                echo "<p style='color:orange;'>working directory is not clean. You need to commit all changes and remove untracked files.<br/><b>pull aborted</b></p>" >> $tmp_file_content
                        else
                                if (test -n "$behind_or_ahead") then
                                        echo "<p style='color:red;font-weight:bold'>CANCELLED : branch has diverged</p>" >> $tmp_file_content
                                        echo "$git_status_branch_humanreadable" >> $tmp_file_content
                                else
                                        if (test $last_err -eq 0) then
                                                git reset --hard origin/$branch > /dev/null
                                                last_err=$?
                                                if ( test $last_err -ne 0 ) then
                                                        echo "<p style='color:red;font-weight:bold'>ERROR on git reset --hard origin/$branch</p>" >> $tmp_file_content
                                                else
                                                        echo "<p style='color:green;font-weight:bold'>MAJ OK</p>" >> $tmp_file_content
                                                fi
                                        fi
                                fi
                        fi
                        echo "<small>" >> $tmp_file_content
                        echo "$git_show_head" >> $tmp_file_content
                        echo "</small>" >> $tmp_file_content
                else
                        echo "<p style='color:orange;font-weight:bold'>MAJ SKIPPED (branch used=$current_branch instead of $branch_to_update)</p>" >> $tmp_file_content
                        echo "<hr/>" >> $tmp_file_content
                fi
        fi
fi
cat $tmp_file_content
rm $tmp_file_content

myrepo.conf

#!/bin/bash
#
# put that file in : server-prod:/home/git/scripts/conf/repo-name.conf

declare -A dirs=( ["master"]=/home/www/prod ["all"]=/home/www/dev-or-whatever  )

post-receive

#!/bin/bash
#
# file : gitolite:/home/bin/repository/myrepo/hooks/post-receive
# desc : This hooks will update a git repository (with git pull) after you "git push"
# from your local workstation
#
# author : Michaël Marineti
# creation : 2012-09-21
# modified : 2013-01-24
#
# LOG
# 2012-09-26 : a branch other than master can be updated
# 2012-10-05 : improving things, with the remote scripts
# 2013-01-24 : rename variables / english speaking 
#
# INSTALLATION
#
# localhost: local (developer)
# devhost: used for preprod and gitolite
#
# cd /home/www/dev.mywebsite.com
# git clone /home/git/repositories/mywebsite.com
#
# - put that file in /home/git/repositories/mywebsite.com/hooks/post-receive
#
# The "post-receive" script is run after receive-pack has accepted a pack
# and the repository has been updated.  It is passed arguments in through
# stdin in the form
#  <oldrev> <newrev> <refname>
# For example:
#  aa453216d1b3e49e7f6f98441fa56946ddcd6a20 68f7abf4e6f922807889f52bc043ecd31b79f814 refs/heads/master
# note michael : delete a branch have some problems
#remote: fatal: Invalid revision range 87187a0205f5a1d8d93bca73de40d69e8b338a99..0000000000000000000000000000000000000000
#remote: fatal: bad object 0000000000000000000000000000000000000000
# - [deleted]         testvide

# send me reports
from=git@hostname.com
to=myself@hostname.com

read oldrev newrev refname

# use for choosing correct conf file on remote server
# TODO: make it automatic
repo_name=my-repo-name

branch=${refname#refs/heads/}


tmp_file_headers=`mktemp`
tmp_file_content=`mktemp`

echo "Analyze front ..."
tmp_content=$(ssh serveur-prod scripts/deploy $branch $repo_name)
echo "done."
echo "<h3>prod PUSH RESULT</h3>" >> $tmp_file_content
echo "$tmp_content" >> $tmp_file_content
echo "<hr/>" >> $tmp_file_content


################## SEND THAT EVERYTIME #############
echo "<h4>TECHNICAL INFOS</h4>" >> $tmp_file_content
echo "<p><b>$refname</b> has been updated (from <b>$oldrev</b> to <b>$newrev</b>) </p>" >> $tmp_file_content
echo "<p>commit log:<br/>" >> $tmp_file_content
if (test -n "$oldrev") then
git log --pretty=oneline --abbrev-commit $oldrev..$newrev | sed "s#\n#<br/>#" >> $tmp_file_content
fi
echo "</p>" >> $tmp_file_content
echo "<p>last commit details: <pre>" >> $tmp_file_content
git show $newrev --oneline | sed "s#\n#<br/>#" >> $tmp_file_content
echo "</pre></p>" >> $tmp_file_content
######################################################


### mail content ###
subject="[DEPLOY $repo_name $branch] `date` - push result "

### mail headers ###
echo "From:$from" >> $tmp_file_headers
echo "To:$to" >> $tmp_file_headers
echo "Subject:$subject" >> $tmp_file_headers
echo "Content-Type: text/html; charset=UTF-8" >> $tmp_file_headers
mail_content="$(cat $tmp_file_headers $tmp_file_content)"
echo "$mail_content" | sendmail -t

rm $tmp_file_content $tmp_file_headers

exit 0