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#!/bin/bash -
# libguestfs
# Copyright (C) 2010 Red Hat Inc.
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
if [ ! -f HACKING ]; then
echo "You should run this script from the top source directory."
exit 1
fi
set -e
cd src/api-support
tmpdir=$(mktemp -d)
website=$HOME/d/redhat/websites/libguestfs
tarballs="$website/download/1.*-*/libguestfs-*.tar.gz"
for t in $tarballs; do
# libguestfs-x.y.z
p=$(basename $t .tar.gz)
# x.y.z
v=$(echo $p | sed 's/^libguestfs-//')
if [ $v != "1.2.0" -a $v != "1.3.0" -a ! -f $v ]; then
rm -rf "$tmpdir/*"
tar -C "$tmpdir" \
-zxf $t $p/src/guestfs-actions.c $p/src/actions.c \
$p/src/guestfs.c \
2>/dev/null ||:
f="$tmpdir/$p/src/guestfs-actions.c"
if [ ! -f "$f" ]; then
f="$tmpdir/$p/src/actions.c"
if [ ! -f "$f" ]; then
echo "$t does not contain actions file"
exit 1
fi
fi
grep -Eoh 'guestfs_[a-z0-9][_A-Za-z0-9]+' \
"$f" $tmpdir/$p/src/guestfs.c |
sort -u |
grep -v '_ret$' |
grep -v '_args$' |
grep -v '^guestfs_free_' |
grep -v '^guestfs_test0' |
grep -v '^guestfs_message_error$' |
grep -v '^guestfs_message_header$' > $v
fi
done
rm -rf "$tmpdir"
# GNU ls sorts properly by version with the -v option and backwards by
# version with -vr.
rev_versions=$(ls -vr [01]*)
latest=$(ls -v [01]* | tail -1)
exec 5>added
# Get all the symbols from the latest version.
# We are implicitly assuming that symbols are not removed. ABI
# guarantee should prevent that from happening.
symbols=$(<$latest)
previous=$latest
for v in $rev_versions; do
next_symbols=
for sym in $symbols; do
# If symbol is missing from the file, that indicates it
# was added in the previous file we checked ($previous).
if ! grep -sq $sym $v; then
echo $sym $previous >&5
else
next_symbols="$next_symbols $sym"
fi
done
symbols="$next_symbols"
previous=$v
done
# Any remaining were added in the very first version.
for sym in $symbols; do
echo $sym $previous >&5
done
# Close and sort the output by symbol name.
exec 5>&-
sort -o added added
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