* Move functions used in pbuilder-satisfydepends* into

  pbuilder-satisfydepends-funcs.

1 files changed, 154 insertions, 0 deletions

diff --git a/pbuilder-satisfydepends-funcs b/pbuilder-satisfydepends-funcs
new file mode 100755
index 0000000..029d0e1
--- /dev/null
+++ b/pbuilder-satisfydepends-funcs
@@ -0,0 +1,154 @@
+#!/bin/bash
+#   pbuilder -- personal Debian package builder
+#   Copyright (C) 2001,2002,2003,2005-2007 Junichi Uekawa
+#   Copyright (C) 2007 Loïc Minier
+#
+#   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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
+#
+# module to satisfy build dependencies; common functions
+
+
+function package_versions() {
+	local PACKAGE="$1"
+	( $CHROOTEXEC /usr/bin/apt-cache show "$PACKAGE" ) | sed -n 's/^Version: \(.*\)$/\1/p'
+}
+
+function candidate_version() {
+	local PACKAGE="$1"
+	LC_ALL=C $CHROOTEXEC apt-cache policy "$PACKAGE" | sed -n 's/ *Candidate: *\(.*\)/\1/p'
+}
+
+function checkbuilddep_versiondeps () {
+    local PACKAGE="$1"
+    local COMPARESTRING="$2"
+    local DEPSVERSION="$3"
+    local PACKAGEVERSIONS=$( package_versions "$PACKAGE" | xargs)
+    # no versioned provides.
+    if [ "${FORCEVERSION}" = "yes" ]; then
+	return 0;
+    fi
+    for PACKAGEVERSION in $PACKAGEVERSIONS ; do
+      if dpkg --compare-versions "$PACKAGEVERSION" "$COMPARESTRING" "$DEPSVERSION"; then
+	# satisfies depends
+	return 0;
+      fi
+    done
+    echo "      Tried versions: $PACKAGEVERSIONS"
+    # cannot satisfy depends
+    return 1;
+}
+
+function expand_arch () {
+    local ARCH="$1"
+    local EXPANDED_ARCH
+    
+    # just keep the original behavior.
+    echo "$ARCH"
+    return
+
+    # the following may be used if dpkg change is set to stone.
+    if echo "$ARCH" | grep "-" > /dev/null; then
+        EXPANDED_ARCH=$ARCH
+    else
+        EXPANDED_ARCH="linux-$ARCH"
+    fi
+    local WC1=$(echo $EXPANDED_ARCH | sed 's/^[^-]*/any/')
+    local WC2=$(echo $EXPANDED_ARCH | sed 's/[^-]*$/any/')
+    echo "$ARCH\\|$EXPANDED_ARCH\\|$WC1\\|$WC2"
+}
+
+function checkbuilddep_archdeps () {
+    # returns FALSE on INSTALL
+    local INSTALLPKG="$1"
+    local ARCH="$2"
+    if echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[[/][!]\($(expand_arch $ARCH)\)[]/]" > /dev/null; then
+	# if !$ARCH exists in there, ERROR.
+	return 0;
+    fi
+    if ! echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[!]" > /dev/null; then
+	if ! echo "$INSTALLPKG" | sed 's/.*\(\[.*\]\)/\1/' | grep "[[/]\($(expand_arch $ARCH)\)[]/]" > /dev/null; then
+	# if $ARCH does not exist, ERROR.
+	    return 0;
+	fi
+    fi
+    return 1;
+}
+
+function checkbuilddep_provides () {
+    local PACKAGENAME="$1"
+    # PROVIDED needs to be used outside of this function.
+    PROVIDED=$($CHROOTEXEC /usr/bin/apt-cache showpkg $PACKAGENAME | awk '{p=0}/^Reverse Provides:/,/^$/{p=1}{if(p && ($0 !~ "Reverse Provides:")){PACKAGE=$1}} END{print PACKAGE}')
+}
+
+# returns either "package=version", to append to an apt-get install line, or
+# package
+function versioneddep_to_aptcmd () {
+	local INSTALLPKG="$1"
+
+	local PACKAGE
+	local PACKAGE_WITHVERSION
+	local PACKAGEVERSIONS
+	local CANDIDATE_VERSION
+	local COMPARESTRING
+	local DEPSVERSION
+
+	PACKAGE="$(echo "$INSTALLPKG" | sed -e 's/^[/]*//' -e 's/[[/(].*//')"
+	PACKAGE_WITHVERSION="$PACKAGE"
+
+	# if not versionned, we skip directly to outputting $PACKAGE
+	if echo "$INSTALLPKG" | grep '[(]' > /dev/null; then
+	    # package versions returned by APT, in reversed order
+	    PACKAGEVERSIONS="$( package_versions "$PACKAGE" | tac | xargs )"
+	    CANDIDATE_VERSION="$( candidate_version "$PACKAGE" )"
+
+	    COMPARESTRING="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\1/')"
+	    DEPSVERSION="$(echo "$INSTALLPKG" | tr "/" " " | sed 's/^.*([ ]*\(<<\|<=\|>=\|=\|<\|>>\|>\)[ ]*\(.*\)).*$/\2/')"
+	    # if strictly versionned, we skip to outputting that version
+	    if [ "=" = "$COMPARESTRING" ]; then
+		PACKAGE_WITHVERSION="$PACKAGE=$DEPSVERSION"
+	    else
+		# try the candidate version, then all available versions (asc)
+		for VERSION in $CANDIDATE_VERSION $PACKAGEVERSIONS; do
+		    if dpkg --compare-versions "$VERSION" "$COMPARESTRING" "$DEPSVERSION"; then
+			if [ $VERSION != $CANDIDATE_VERSION ]; then
+			    PACKAGE_WITHVERSION="$PACKAGE=$VERSION"
+			fi
+			break;
+		    fi
+		done
+	    fi
+	fi
+
+	echo "$PACKAGE_WITHVERSION"
+}
+
+function print_help () {
+    # print out help message
+    cat <<EOF
+pbuilder-satisfydepends -- satisfy dependencies
+Copyright 2002-2007  Junichi Uekawa <dancer@debian.org>
+
+--help:        give help
+--control:     specify control file (debian/control, *.dsc)
+--chroot:      operate inside chroot
+--binary-all:  include binary-all
+--binary-arch: include binary-arch only
+--echo:        echo mode, do nothing. (--force-version required for most operation)
+--force-version: skip version check.
+--continue-fail: continue even when failed.
+
+EOF
+}
+