defineReplace(currentGitRevision) {
    revision = "unknown revision"
    unix:exists($$SOURCE_DIR/.git):{
        GIT_TAG=$$system(cd "$$SOURCE_DIR" && git describe --exact-match 2> /dev/null)
        isEmpty(GIT_TAG) {
            GIT_CUR_REF=$$system(cd "$$SOURCE_DIR" && git symbolic-ref HEAD 2> /dev/null)
            GIT_CUR_BRANCH=$$basename(GIT_CUR_REF)
            GIT_LAST_COMMIT=$$system(cd "$$SOURCE_DIR" && git log --pretty=format:\"%h\" -1)
            isEmpty(GIT_CUR_BRANCH) {
                revision=$$GIT_LAST_COMMIT
            } else {
                revision=$${GIT_CUR_BRANCH}-$${GIT_LAST_COMMIT}
            }
        } else {
            revision=$$GIT_TAG
        }
    }

    isEmpty(revision) {
        revision="unknown revision"
    }

    return($$revision)
}