[Vm-dev] weird git history

[Nicolas Cellier]

Hi all,
In an obsolete working copy, I had some local changes to
build.win32x86/thirdparty/Makefile.libssh2

    tar x -f $(LIBSSH2ARCHIVE) -C $(THIRDPARTYDIR)
    cd $(LIBSSH2DIR) \
        && ./configure \
--            --build=x86_64-w64-cygwin \
++            --build=i686-w64-cygwin \
            --host=i686-w64-mingw32 \
            --prefix='$(THIRDPARTYOUTDIR)' \
            CFLAGS='$(THIRDPARTY_CFLAGS)' \

If I go into current version:
https://github.com/OpenSmalltalk/opensmalltalk-vm/blob/Cog/build.linux32x86/third-party/Makefile.libssh2

I don't see the x86_64 line, good, this must have been already fixed!
But when I look at history thru github interface to know when and how, I
see a very partial and truncated history:
https://github.com/OpenSmalltalk/opensmalltalk-vm/commits/Cog/build.linux32x86/third-party/Makefile.libssh2

And itseems like none of the commits referenced did remove this x86_64
line, like if it never existed...

If I go a little further in the past commit log, in early november (still
thru github interface
https://github.com/OpenSmalltalk/opensmalltalk-vm/commits/Cog?after=0fae80c28ee3ce2b3eb09cb31ec94f0a590893f7+174),
select one of the commits and go tho this same file, then i see another
unrelated short history:
https://github.com/OpenSmalltalk/opensmalltalk-vm/commits/fd213d14072e1099ded3590d99dd36e03562bcfe/build.win32x86/third-party/Makefile.libssh2

This time, the x86_64 matching line is there...
This kind of unconventional rewrite of history makes me worry...
If we can't rely on history, then what a VCS is good for?

It's possible that the minheadless merge introduced that, so it would be
good if more pairs of eyes could check that we did not loose anything
important, especially for Pharo builds.
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