# 
# A sort-of replacement of GITVER for the purposes of handling git
# checked out repositories that are pretty much pre-cloned into 
# a directory structure that OE just simply links into the workspace.
#


# Dogsbody function that grabs the SHA hash from GIT...
def get_git_hash(path, d):
    if (path == "") :
        bb.fatal("\n\nlocalgit.bbclass ERROR:\nYou *MUST* set 'SRC_DIR' to a usable path!\n")
    elif (os.path.exists(path)) :
        #cd to path, run `git log -n 1 --pretty=oneline`
        #if the return code isn't 0, it returns <unknown>
        rev = base_get_metadata_git_revision(path, d)
        if (rev == "<unknown>") :
            return "invalidgit"
        else :
            return rev
    else :
        return "invalidgit"

# This grabs the SHA of tip in the directory specified, presumes that SRC_DIR is properly set.
SRC_DIR ?= ""
GITSHA = "${@get_git_hash('${SRC_DIR}', d)}"