Provide build number for source code

gistfile1.m

# build data file that is included in the source
# so we can automatically report Git repo information
# in the application.

cd ${PROJECT_DIR}
gitDataFile="gitDataAutoGenerated.h"
buildDate=`date "+%F %H:%M:%S"`
currentBranch=`git rev-parse --abbrev-ref HEAD`
lastCommitHash=`git log --pretty=format:"%h" -1`
lastCommitDate=`git log --pretty=format:"%ad" --date=short -1`
lastCommitComment=`git log --pretty=format:"%s" -1`
lastRepoTag=`git describe --abbrev=0 --tags`

echo -e "//-----------------------------------------" > $gitDataFile
echo -e "// Auto generated file" >> $gitDataFile
echo -e "// Created $buildDate" >> $gitDataFile
echo -e "//-----------------------------------------" >> $gitDataFile
echo -e "" >> $gitDataFile
echo -e "#define BUILD_DATE              @\"$buildDate\"" >> $gitDataFile
echo -e "#define GIT_CURRENT_BRANCH      @\"$currentBranch\"" >> $gitDataFile
echo -e "#define GIT_LAST_COMMIT_HASH    @\"$lastCommitHash\"" >> $gitDataFile
echo -e "#define GIT_LAST_COMMIT_DATE    @\"$lastCommitDate\"" >> $gitDataFile
echo -e "#define GIT_LAST_COMMIT_COMMENT @\"$lastCommitComment\"" >> $gitDataFile
echo -e "#define GIT_LAST_REPO_TAG       @\"$lastRepoTag\"" >> $gitDataFile