#!/bin/sh
# GNU Guix --- Functional package management for GNU
# Copyright © 2012, 2013, 2014 Ludovic Courtès <ludo@gnu.org>
#
# This file is part of GNU Guix.
#
# GNU Guix is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or (at
# your option) any later version.
#
# GNU Guix is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.

#
# Update the local copy of Nix source code needed to build the daemon.
# Assume GNU Coreutils and Git are available.
#

top_srcdir="${top_srcdir:-..}"

log()
{
    echo "sync-with-upstream: $@" >&2
}

# checked_in_p FILE
checked_in_p()
{
    ( cd "$top_srcdir" ;
	git ls-tree HEAD -- "nix/$1" | grep "$1" > /dev/null )
}

if [ ! -d "$top_srcdir/build-aux" ]
then
    log "\`$top_srcdir' is not the valid top-level source directory"
    exit 1
fi

set -e
for upstream_file in `cd "$top_srcdir/nix-upstream/src" ;
  find . -name \*.c -or -name \*.h -or -name \*.cc -or -name \*.hh \
         -or -name \*.cpp -or -name \*.hpp -or -name \*.sql`
do
    if grep "$upstream_file" "$top_srcdir/daemon.am" > /dev/null
    then
    	if checked_in_p "$upstream_file"
    	then
    	    log "skipping \`$upstream_file', which has a checked-in copy"
    	else
    	    ( cd "$top_srcdir/nix-upstream/src" && \
    		cp -v --parents "$upstream_file" ../../nix )
    	fi
    else
    	log "skipping \`$upstream_file', which is not used"
    fi
done

# This file should be generated by our build system so remove it.
rm -fv "$top_srcdir/nix/libstore/schema.sql.hh"

cp -v "$top_srcdir/nix-upstream/COPYING" "$top_srcdir/nix"

# Generate an 'AUTHORS' file since upstream Nix no longer has one.
cat > "$top_srcdir/nix/AUTHORS" <<EOF
Most of the code is this directory was written by the following people for
the Nix project (http://nixos.org/nix).  Thank you!

EOF
( cd "$top_srcdir/nix-upstream" ; git shortlog --summary )	\
    | sed -'es/^ *[0-9]\+\(.*\)/   \1/g'			\
    >> "$top_srcdir/nix/AUTHORS"

# Substitutions.
sed -i "$top_srcdir/nix/libstore/gc.cc"					\
    -e 's|/nix/find-runtime-roots\.pl|/guix/list-runtime-roots|g'

# Our 'guix_hash_context' structure has a copy constructor, specifically to
# handle the use case in 'HashSink::currentHash()' where the copy of the
# context is expected to truly copy the underlying hash context.  The copy
# constructor cannot be used in 'Ctx' if that's a union, so turn it into a
# structure (we can afford to two wasted words.)
sed -i "$top_srcdir/nix/libutil/hash.cc" "$top_srcdir/nix/libutil/hash.hh" \
    -e 's|union Ctx|struct Ctx|g'
-0400'>2023-09-10</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=2eb6df537c36da8bf8e81ff698421f6fb1bfd1ab'>gnu: Remove extraneous imports.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-09-01 23:37:13 +0200'>2022-09-01</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=08380429b8d849a40489b48110234d3a2257fa2d'>gnu: boost: Update to 1.80.0.</a></td><td>Greg Hogan</td></tr>
<tr><td><span title='2022-08-11 23:36:10 +0200'>2022-08-11</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=77eb3008e350c069e0ae8df6a91bf0ebdcfc2ac0'>Merge branch 'staging' into core-updates</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-08-11 00:21:11 +0200'>2022-08-11</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=b424ca573df717acc7d5a074b69218eaaeb19ce3'>gnu: mdds: Update to 2.0.3.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=eb32bcea32c419f7b501fe292535d4b65d6031d6'>gnu: Boost: Use #:configure-flags.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=f12ca428b866c25a3cd9740d9e471e06b8bcaef3'>gnu: Boost: Avoid usage of 'this-package-input'.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=4fc61750733ab0f4082da2d94ad04faba2eb34a4'>gnu: boost-mpi: OpenMPI is not native.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=38aafcf958badfa6407ece2bb70c3b8dc70dba5e'>gnu: Boost: Python input is not native.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=526071290f7329250adfdd6fa17de00ac84b1773'>gnu: boost, boost-static: Consolidate libboost_python phases.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-07-06 00:35:17 +0200'>2022-07-06</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=d1e9f626b4d6230fa41db920cf87af9281ffe5de'>gnu: boost-mpi: Remove input labels.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-30 23:26:19 +0200'>2022-06-30</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=5e2ecfab7cdbb0cef07708a83a4d8994bc323a36'>gnu: Boost: Use G-expressions.</a></td><td>Marius Bakke</td></tr>
<tr><td><span title='2022-06-08 14:46:24 +0200'>2022-06-08</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=8c3e9da13a3c92a7db308db8c0d81cb474ad7799'>Merge branch 'master' into core-updates</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2022-05-31 14:54:06 -0400'>2022-05-31</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=098372a81e61f92bab4439c9bbaf43a73e1649b3'>gnu: Remove boost-with-python2.</a></td><td>Maxim Cournoyer</td></tr>
<tr><td><span title='2022-05-08 11:25:26 +0200'>2022-05-08</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=b8f4ed8f5dee0b268415dd13a3d6d37d36652701'>gnu: boost: Update to 1.79.0.</a></td><td>Greg Hogan</td></tr>
<tr><td><span title='2022-03-28 09:23:41 +0200'>2022-03-28</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=a59afdc92e8d29edf2cb2193f967715e46c885c7'>gnu: boost: Update to 1.78.0.</a></td><td>Greg Hogan</td></tr>
<tr><td><span title='2021-12-17 09:31:13 +0100'>2021-12-17</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=d3fe88c6cdda58833061d53abd9cebe16e01f182'>gnu: boost-sync: Update to 1.55-1-e690de2d.</a></td><td>Aleksandr Vityazev</td></tr>
<tr><td><span title='2021-12-15 03:04:53 +0100'>2021-12-15</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=04b6e1ed265e64a004c7ea93018179785b979f31'>gnu: boost-signals2: Update hash to matched moved tag.</a></td><td>Aleksandr Vityazev</td></tr>
<tr><td><span title='2021-12-13 17:48:25 +0100'>2021-12-13</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=8394619baceb118df92e355377fd543bb1aa501a'>gnu: Simplify package inputs.</a></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2021-11-17 23:43:14 +0100'>2021-11-17</span></td><td><a href='/guix/commit/gnu/packages/boost.scm?id=3a317f7476f8c6012e166ff9f340f861938721c9'>Merge branch 'master' into core-updates-frozen</a></td><td>Ludovic Courtès</td></tr>