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  • Rene Scharfe's avatar
    kbuild: Use git in scripts/setlocalversion · 117a93db
    Rene Scharfe authored
    
    
    Currently scripts/setlocalversion is a Perl script that tries to figure
    out the current git commit ID of a repo without using git.  It also
    imports Digest::MD5 without using it and generally is too big for the
    small task it does. :]  And it always reports a git ID, even when the
    HEAD is tagged -- this is a bug.
    
    This patch replaces it with a Bourne Shell script that uses git
    commands to do the same.  I can't come up with a scenario where someone
    would use a git repo and refuse to install git core at the same time,
    so I think it's reasonable to assume git is available.
    
    The new script also reports uncommitted changes by adding -git_dirty to
    the version string.  Obviously you can't see from that _what_ has been
    changed from the last commit, so it's more of a reminder that you
    forgot to commit something.
    
    The script is easily extensible: simply add a check for Mercurial (or
    whatever) below the git check.
    
    Note: the script doesn't print a newline char anymore.  That's only
    because it was easier to implement it that way, not a feature (or bug).
    'make kernelrelease' doesn't care.
    
    Signed-off-by: default avatarRene Scharfe <rene.scharfe@lsrfire.ath.cx>
    Acked-by: default avatarRyan Anderson <ryan@michonline.com>
    Signed-off-by: default avatarSam Ravnborg <sam@ravnborg.org>
    117a93db