1 files changed, 101 insertions, 0 deletions
diff --git a/src/api-support/update-from-tarballs.sh b/src/api-support/update-from-tarballs.sh
new file mode 100755
index 00000000..da71f7e7
--- /dev/null
+++ b/src/api-support/update-from-tarballs.sh
@@ -0,0 +1,101 @@
+#!/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 $p/src/actions.c 2>/dev/null ||:
+
+        f="$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 -Eo 'guestfs_[a-z0-9][_A-Za-z0-9]+' "$f" |
+            sort -u |
+            grep -v '_ret$' |
+            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