From 7a2a19e2eb43c48cb4cd6bcd8b2a55436cec5ca9 Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pjm@nac.net>
Date: Mon, 02 Jul 2012 22:08:08 -0400
Subject: Initial commit.

The build system is based on that of opkhelper 1.0.0.
---
(limited to 'src')

diff --git a/src/Makefile.in b/src/Makefile.in
new file mode 100644
index 0000000..d988e5a
--- /dev/null
+++ b/src/Makefile.in
@@ -0,0 +1,71 @@
+# DEB - Download, Edit, Build!
+# Makefile.in
+# Input Makefile for configure.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# 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 3 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, see <http://www.gnu.org/licenses/>.
+
+SHELL = @shell@
+INSTALL = @install@
+MAKE = @make@
+
+SRCDIR = @srcdir@
+PREFIX = @prefix@
+BINDIR = @bindir@
+
+.SUFFIXES:
+.SUFFIXES: .sh
+
+SRCS = deb.sh
+OBJS = $(SRCS:.sh=)
+
+PACKAGE = @package@
+VERSION = @version@
+
+distdir = ../$(PACKAGE)-$(VERSION)/src
+distfiles = Makefile.in $(SRCS)
+
+.PHONY: all
+all: $(OBJS)
+
+$(OBJS):
+	@printf '  SED %s\n' '$@'
+	@sed -f ../sedscript $(SRCDIR)/src/$@.sh > $@
+
+.PHONY: clean
+clean:
+	@for obj in $(OBJS); do \
+		printf '  RM src/%s\n' "$${obj}"; \
+		rm -f $${obj}; \
+	done
+
+.PHONY: install
+install: all
+	@for obj in $(OBJS); do \
+		printf '  INSTALL src/%s\n' "$${obj}"; \
+		$(INSTALL) -D $${obj} "$(DESTDIR)/$(BINDIR)/$${obj}"; \
+	done
+
+.PHONY: uninstall
+uninstall:
+	@for obj in $(OBJS); do \
+		printf '  RM %s\n' "$${obj}"; \
+		rm -f "$(DESTDIR)/$(BINDIR)/$${obj}"; \
+	done
+
+.PHONY: distdir
+distdir:
+	@[ -d '$(distdir)' ] || mkdir '$(distdir)'
+	@cp -pR $(distfiles) $(distdir)
diff --git a/src/deb.sh b/src/deb.sh
new file mode 100755
index 0000000..1535bf2
--- /dev/null
+++ b/src/deb.sh
@@ -0,0 +1,333 @@
+#!@@SHELL@@
+#
+# DEB - Download, Edit, Build!
+# src/deb.sh
+# Main program script.
+#
+# Copyright (C) 2012 Patrick "P. J." McDermott
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+COMMANDS='init config update download edit builddsc'
+CONFIG_NAMES='mirror distribution component remote buildcmd'
+
+main()
+{
+	SCRIPT_NAME="${0}"
+
+	if [ ${#} -lt 1 ]; then
+		print_usage >&2
+		exit 1
+	fi
+
+	COMMAND_NAME="${1}"
+	shift
+
+	if ! echo " ${COMMANDS} " | grep " ${COMMAND_NAME} " > /dev/null 2>&1; then
+		print_usage >&2
+		exit 1
+	fi
+
+	CWD="${PWD}"
+
+	cmd_run ${@}
+}
+
+print_usage()
+{
+	cat <<EOF
+Usage: ${SCRIPT_NAME} <command> <arguments>
+
+Where <command> is one of:
+  init      Initialize a DEB work area
+  config    Get or set a configuration value
+  update    Update the list of source packages
+  download  Download a source package
+  edit      Unpack a source package for editing
+  builddsc  Build an edited source package and debdiff
+  build     Build binary packages
+  push      Synchronize changes with a remote tree
+EOF
+}
+
+error()
+{
+	msg="${1}"
+	shift
+	printf "Error: ${msg}\n" ${@}
+	exit 2
+}
+
+find_deb_dir()
+{
+	until [ "${PWD}" = '/' ]; do
+		if [ -d '.deb' ]; then
+			DEB_DIR="${PWD}/.deb"
+			DEB_TREE="${PWD}"
+			return 0
+		fi
+		cd ..
+	done
+	[ ${#} -ge 1 ] && "${1}" && error 'No DEB work area found'
+	return 1
+}
+
+config_load()
+{
+	. "${DEB_DIR}/config"
+}
+
+config_save()
+{
+	for name in ${CONFIG_NAMES}; do
+		printf "CONFIG_%s='%s'\n" "${name}" "$(eval echo \$\{CONFIG_${name}\})"
+	done > "${DEB_DIR}/config"
+}
+
+cmd_run()
+{
+	"cmd_${COMMAND_NAME}" ${@}
+}
+
+cmd_init()
+{
+	find_deb_dir false || {
+		DEB_DIR="${CWD}/.deb"
+		DEB_TREE="${CWD}"
+	}
+
+	CONFIG_mirror='http://ftp.debian.org/debian'
+	CONFIG_distribution='sid'
+	CONFIG_component='main'
+	CONFIG_buildcmd='sbuild --build=%mirror% -d %distribution% %opts% %dsc%'
+
+	cd "${DEB_TREE}"
+	if [ -d .deb ]; then
+		rm -Rf .deb dsc build pkgs work
+		mkdir .deb dsc build pkgs work
+		config_save
+		printf 'Reinitialized DEB work area in %s.\n' "${DEB_TREE}"
+	else
+		mkdir .deb dsc build pkgs work
+		config_save
+		printf 'Initialized DEB work area in %s.\n' "${DEB_TREE}"
+	fi
+}
+
+cmd_config()
+{
+	find_deb_dir
+	config_load
+
+	if [ ${#} -ne 1 -a ${#} -ne 2 ]; then
+		cat >&2 <<EOF
+Usage: ${SCRIPT_NAME} ${COMMAND_NAME} <name> [<value>]
+EOF
+		exit 1
+	fi
+	
+	echo " ${CONFIG_NAMES} " | grep " ${1} " > /dev/null 2>&1 || \
+		error 'Invalid configuration name "%s"' "${1}"
+
+	config_name="CONFIG_${1}"
+	if [ ${#} -eq 1 ]; then
+		printf '%s\n' "$(eval echo \$\{${config_name}\})"
+	else
+		eval "${config_name}=${2}"
+		config_save
+	fi
+}
+
+cmd_update()
+{
+	find_deb_dir
+	config_load
+
+	if [ ${#} -ne 0 ]; then
+		cat >&2 <<EOF
+Usage: ${SCRIPT_NAME} ${COMMAND_NAME}
+EOF
+		exit 1
+	fi
+
+	printf 'Downloading Sources file...\n'
+	rm -f "${DEB_DIR}/.Sources.bz2"
+	sources="${CONFIG_mirror}/dists/${CONFIG_distribution}/${CONFIG_component}/source"
+	sources="${sources}/Sources.bz2"
+	curl -o "${DEB_DIR}/.Sources.bz2" "${sources}" || error 'Cannot download Sources file'
+
+	printf '\nDecompressing Sources file...\n'
+	rm -f "${DEB_DIR}/.Sources"
+	bunzip2 "${DEB_DIR}/.Sources.bz2" || error 'Cannot decompress Sources file'
+
+	total=$(grep ^Package: "${DEB_DIR}/.Sources" | wc -l)
+	count=0
+
+	printf '\nReading Sources file...\n'
+	> "${DEB_DIR}/dsc.list~"
+	while read line; do
+		if [ -z "${line}" ]; then
+			printf '%s %s\n' "${pkg}" "${dir}/${dsc}" >> "${DEB_DIR}/.dsc.list~"
+			count=$(($count + 1))
+			printf "\rFound %${#total}d/%d source packages.%s" \
+				"${count}" "${total}" \
+				"$([ ${count} -eq ${total} ] && printf '  ' || printf '..')"
+			continue
+		fi
+		if [ "${line#Package: }" != "${line}" ]; then
+			pkg="${line#Package: }"
+			continue
+		fi
+		if [ "${line#Directory: }" != "${line}" ]; then
+			dir="${line#Directory: }"
+			continue
+		fi
+		if [ "${line#Files:}" != "${line}" ]; then
+			while read sum size file; do
+				if [ "${file%.dsc}" != "${file}" ]; then
+					dsc="${file}"
+					break
+				fi
+			done
+			continue
+		fi
+	done < "${DEB_DIR}/.Sources"
+	printf '\n'
+
+	rm "${DEB_DIR}/.Sources"
+	mv "${DEB_DIR}/.dsc.list~" "${DEB_DIR}/dsc.list"
+
+	printf '\nDone.\n'
+}
+
+cmd_download()
+{
+	find_deb_dir
+	config_load
+
+	if [ ${#} -ne 1 ]; then
+		cat >&2 <<EOF
+Usage: ${SCRIPT_NAME} ${COMMAND_NAME} <pkg>
+EOF
+		exit 1
+	fi
+
+	[ ! -f "${DEB_DIR}/dsc.list" ] && error 'No source package list found'
+
+	pkg="${1}"
+
+	line="$(grep "^${pkg} " "${DEB_DIR}/dsc.list")" || \
+		error 'Package "%s" not found' "${pkg}"
+	dsc="${line#${pkg} }"
+
+	mkdir -p "${DEB_TREE}/dsc/${pkg}"
+	cd "${DEB_TREE}/dsc/${pkg}"
+
+	printf 'Downloading source package "%s"...\n' "${pkg}"
+	dget -d "${CONFIG_mirror}/${dsc}" || error 'Cannot download source package'
+
+	printf '\nDone.\n'
+}
+
+cmd_edit()
+{
+	find_deb_dir
+	config_load
+
+	if [ ${#} -ne 1 ]; then
+		cat >&2 <<EOF
+Usage: ${SCRIPT_NAME} ${COMMAND_NAME} <pkg>
+EOF
+		exit 1
+	fi
+
+	[ ! -f "${DEB_DIR}/dsc.list" ] && error 'No source package list found'
+
+	pkg="${1}"
+
+	line="$(grep "^${pkg} " "${DEB_DIR}/dsc.list")" || \
+		error 'Package "%s" not found' "${pkg}"
+	dsc="${line#${pkg} }"
+	dsc="${dsc##*/}"
+
+	[ ! -f "${DEB_TREE}/dsc/${pkg}/${dsc}" ] && \
+		error 'Source package "%s" not downloaded' "${pkg}"
+
+	ver="${dsc%.dsc}"
+	ver="${ver#${pkg}_}"
+	ver="${ver%-*}"
+
+	mkdir -p "${DEB_TREE}/work/${pkg}"
+	dpkg-source -x "${DEB_TREE}/dsc/${pkg}/${dsc}" \
+		"${DEB_TREE}/work/${pkg}/${pkg}-${ver}"
+}
+
+cmd_builddsc()
+{
+	find_deb_dir
+	config_load
+
+	if [ ${#} -ne 1 ]; then
+		cat >&2 <<EOF
+Usage: ${SCRIPT_NAME} ${COMMAND_NAME} <pkg>
+EOF
+		exit 1
+	fi
+
+	[ ! -f "${DEB_DIR}/dsc.list" ] && error 'No source package list found'
+
+	pkg="${1}"
+
+	line="$(grep "^${pkg} " "${DEB_DIR}/dsc.list")" || \
+		error 'Package "%s" not found' "${pkg}"
+	dsc="${line#${pkg} }"
+	dsc="${dsc##*/}"
+
+	ver="${dsc%.dsc}"
+	ver="${ver#${pkg}_}"
+	ver="${ver%-*}"
+
+	ver="$(dpkg-parsechangelog \
+		-l"${DEB_TREE}/work/${pkg}/${pkg}-${ver}/debian/changelog" | \
+		sed -n 's/^Version: \(.*\)$/\1/p')"
+	base="${pkg}_${ver}"
+	ver="${ver%-*}"
+	rev="${ver#${ver}}"
+	rev="${rev#-}"
+
+	[ ! -d "${DEB_TREE}/work/${pkg}/${pkg}-${ver}" ] && \
+		error 'Source package "%s" not unpacked for editing' "${pkg}"
+
+	cd "${DEB_TREE}/work/${pkg}/${pkg}-${ver}"
+	dpkg-buildpackage -S -us -uc
+
+	cd ..
+	rm -Rf "${DEB_TREE}/pkgs/${pkg}"
+	mkdir -p "${DEB_TREE}/pkgs/${pkg}"
+
+	# XXX: This assumes source format 3.0.
+	mv "${base}.dsc" "${base}_source.changes" "${DEB_TREE}/pkgs/${pkg}"
+	if [ -n "${rev}" ]; then
+		cp -p "${pkg}_${ver}.orig.tar.gz" "${DEB_TREE}/pkgs/${pkg}"
+		mv "${base}.diff.gz" "${DEB_TREE}/pkgs/${pkg}"
+	else
+		mv "${base}.tar.gz" "${DEB_TREE}/pkgs/${pkg}"
+	fi
+
+	debdiff \
+		"${DEB_TREE}/dsc/${pkg}/${dsc}" "${DEB_TREE}/pkgs/${pkg}/${base}.dsc" \
+		> "${DEB_TREE}/pkgs/${pkg}/${pkg}.debdiff"
+}
+
+main ${@}
--
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