Adding upstream version 1.20.13.upstream/1.20.13upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

8 files changed, 2136 insertions, 0 deletions

diff --git a/dpkg-split/Makefile.am b/dpkg-split/Makefile.am
new file mode 100644
index 0000000..3db848d
--- /dev/null
+++ b/dpkg-split/Makefile.am
@@ -0,0 +1,27 @@
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+	-I$(top_srcdir)/lib
+
+
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+
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+	dpkg-split.h \
+	info.c \
+	join.c \
+	main.c \
+	queue.c \
+	split.c
+
+dpkg_split_LDADD = \
+	../lib/dpkg/libdpkg.la \
+	$(LIBINTL)
+
+install-data-local:
+	$(MKDIR_P) $(DESTDIR)$(admindir)/parts
diff --git a/dpkg-split/Makefile.in b/dpkg-split/Makefile.in
new file mode 100644
index 0000000..8f87c8d
--- /dev/null
+++ b/dpkg-split/Makefile.in
@@ -0,0 +1,749 @@
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+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/info.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/join.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/main.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/queue.Po@am__quote@ # am--include-marker
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/split.Po@am__quote@ # am--include-marker
+
+$(am__depfiles_remade):
+	@$(MKDIR_P) $(@D)
+	@echo '# dummy' >$@-t && $(am__mv) $@-t $@
+
+am--depfiles: $(am__depfiles_remade)
+
+.c.o:
+@am__fastdepCC_TRUE@	$(AM_V_CC)$(COMPILE) -MT $@ -MD -MP -MF $(DEPDIR)/$*.Tpo -c -o $@ $<
+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+
+.c.obj:
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Po
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=no @AMDEPBACKSLASH@
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+.c.lo:
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+@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/$*.Tpo $(DEPDIR)/$*.Plo
+@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='$<' object='$@' libtool=yes @AMDEPBACKSLASH@
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+@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(LTCOMPILE) -c -o $@ $<
+
+mostlyclean-libtool:
+	-rm -f *.lo
+
+clean-libtool:
+	-rm -rf .libs _libs
+
+ID: $(am__tagged_files)
+	$(am__define_uniq_tagged_files); mkid -fID $$unique
+tags: tags-am
+TAGS: tags
+
+tags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	set x; \
+	here=`pwd`; \
+	$(am__define_uniq_tagged_files); \
+	shift; \
+	if test -z "$(ETAGS_ARGS)$$*$$unique"; then :; else \
+	  test -n "$$unique" || unique=$$empty_fix; \
+	  if test $$# -gt 0; then \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      "$$@" $$unique; \
+	  else \
+	    $(ETAGS) $(ETAGSFLAGS) $(AM_ETAGSFLAGS) $(ETAGS_ARGS) \
+	      $$unique; \
+	  fi; \
+	fi
+ctags: ctags-am
+
+CTAGS: ctags
+ctags-am: $(TAGS_DEPENDENCIES) $(am__tagged_files)
+	$(am__define_uniq_tagged_files); \
+	test -z "$(CTAGS_ARGS)$$unique" \
+	  || $(CTAGS) $(CTAGSFLAGS) $(AM_CTAGSFLAGS) $(CTAGS_ARGS) \
+	     $$unique
+
+GTAGS:
+	here=`$(am__cd) $(top_builddir) && pwd` \
+	  && $(am__cd) $(top_srcdir) \
+	  && gtags -i $(GTAGS_ARGS) "$$here"
+cscopelist: cscopelist-am
+
+cscopelist-am: $(am__tagged_files)
+	list='$(am__tagged_files)'; \
+	case "$(srcdir)" in \
+	  [\\/]* | ?:[\\/]*) sdir="$(srcdir)" ;; \
+	  *) sdir=$(subdir)/$(srcdir) ;; \
+	esac; \
+	for i in $$list; do \
+	  if test -f "$$i"; then \
+	    echo "$(subdir)/$$i"; \
+	  else \
+	    echo "$$sdir/$$i"; \
+	  fi; \
+	done >> $(top_builddir)/cscope.files
+
+distclean-tags:
+	-rm -f TAGS ID GTAGS GRTAGS GSYMS GPATH tags
+
+distdir: $(BUILT_SOURCES)
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
+distdir-am: $(DISTFILES)
+	@srcdirstrip=`echo "$(srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	topsrcdirstrip=`echo "$(top_srcdir)" | sed 's/[].[^$$\\*]/\\\\&/g'`; \
+	list='$(DISTFILES)'; \
+	  dist_files=`for file in $$list; do echo $$file; done | \
+	  sed -e "s|^$$srcdirstrip/||;t" \
+	      -e "s|^$$topsrcdirstrip/|$(top_builddir)/|;t"`; \
+	case $$dist_files in \
+	  */*) $(MKDIR_P) `echo "$$dist_files" | \
+			   sed '/\//!d;s|^|$(distdir)/|;s,/[^/]*$$,,' | \
+			   sort -u` ;; \
+	esac; \
+	for file in $$dist_files; do \
+	  if test -f $$file || test -d $$file; then d=.; else d=$(srcdir); fi; \
+	  if test -d $$d/$$file; then \
+	    dir=`echo "/$$file" | sed -e 's,/[^/]*$$,,'`; \
+	    if test -d "$(distdir)/$$file"; then \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    if test -d $(srcdir)/$$file && test $$d != $(srcdir); then \
+	      cp -fpR $(srcdir)/$$file "$(distdir)$$dir" || exit 1; \
+	      find "$(distdir)/$$file" -type d ! -perm -700 -exec chmod u+rwx {} \;; \
+	    fi; \
+	    cp -fpR $$d/$$file "$(distdir)$$dir" || exit 1; \
+	  else \
+	    test -f "$(distdir)/$$file" \
+	    || cp -p $$d/$$file "$(distdir)/$$file" \
+	    || exit 1; \
+	  fi; \
+	done
+check-am: all-am
+check: check-am
+all-am: Makefile $(PROGRAMS)
+installdirs:
+	for dir in "$(DESTDIR)$(bindir)"; do \
+	  test -z "$$dir" || $(MKDIR_P) "$$dir"; \
+	done
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+install-am: all-am
+	@$(MAKE) $(AM_MAKEFLAGS) install-exec-am install-data-am
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+installcheck: installcheck-am
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+	if test -z '$(STRIP)'; then \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	      install; \
+	else \
+	  $(MAKE) $(AM_MAKEFLAGS) INSTALL_PROGRAM="$(INSTALL_STRIP_PROGRAM)" \
+	    install_sh_PROGRAM="$(INSTALL_STRIP_PROGRAM)" INSTALL_STRIP_FLAG=-s \
+	    "INSTALL_PROGRAM_ENV=STRIPPROG='$(STRIP)'" install; \
+	fi
+mostlyclean-generic:
+
+clean-generic:
+
+distclean-generic:
+	-test -z "$(CONFIG_CLEAN_FILES)" || rm -f $(CONFIG_CLEAN_FILES)
+	-test . = "$(srcdir)" || test -z "$(CONFIG_CLEAN_VPATH_FILES)" || rm -f $(CONFIG_CLEAN_VPATH_FILES)
+
+maintainer-clean-generic:
+	@echo "This command is intended for maintainers to use"
+	@echo "it deletes files that may require special tools to rebuild."
+clean: clean-am
+
+clean-am: clean-binPROGRAMS clean-generic clean-libtool mostlyclean-am
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+distclean: distclean-am
+		-rm -f ./$(DEPDIR)/info.Po
+	-rm -f ./$(DEPDIR)/join.Po
+	-rm -f ./$(DEPDIR)/main.Po
+	-rm -f ./$(DEPDIR)/queue.Po
+	-rm -f ./$(DEPDIR)/split.Po
+	-rm -f Makefile
+distclean-am: clean-am distclean-compile distclean-generic \
+	distclean-tags
+
+dvi: dvi-am
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+dvi-am:
+
+html: html-am
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+info: info-am
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+install-data-am: install-data-local
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+		-rm -f ./$(DEPDIR)/info.Po
+	-rm -f ./$(DEPDIR)/join.Po
+	-rm -f ./$(DEPDIR)/main.Po
+	-rm -f ./$(DEPDIR)/queue.Po
+	-rm -f ./$(DEPDIR)/split.Po
+	-rm -f Makefile
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+	mostlyclean-libtool
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+uninstall-am: uninstall-binPROGRAMS
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+.MAKE: install-am install-strip
+
+.PHONY: CTAGS GTAGS TAGS all all-am am--depfiles check check-am clean \
+	clean-binPROGRAMS clean-generic clean-libtool cscopelist-am \
+	ctags ctags-am distclean distclean-compile distclean-generic \
+	distclean-libtool distclean-tags distdir dvi dvi-am html \
+	html-am info info-am install install-am install-binPROGRAMS \
+	install-data install-data-am install-data-local install-dvi \
+	install-dvi-am install-exec install-exec-am install-html \
+	install-html-am install-info install-info-am install-man \
+	install-pdf install-pdf-am install-ps install-ps-am \
+	install-strip installcheck installcheck-am installdirs \
+	maintainer-clean maintainer-clean-generic mostlyclean \
+	mostlyclean-compile mostlyclean-generic mostlyclean-libtool \
+	pdf pdf-am ps ps-am tags tags-am uninstall uninstall-am \
+	uninstall-binPROGRAMS
+
+.PRECIOUS: Makefile
+
+
+install-data-local:
+	$(MKDIR_P) $(DESTDIR)$(admindir)/parts
+
+# Tell versions [3.59,3.63) of GNU make to not export all variables.
+# Otherwise a system limit (for SysV at least) may be exceeded.
+.NOEXPORT:
diff --git a/dpkg-split/dpkg-split.h b/dpkg-split/dpkg-split.h
new file mode 100644
index 0000000..f53e0c5
--- /dev/null
+++ b/dpkg-split/dpkg-split.h
@@ -0,0 +1,84 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * dpkg-split.h - external definitions for this program
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2012 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef DPKG_SPLIT_H
+#define DPKG_SPLIT_H
+
+#include <dpkg/ar.h>
+#include <dpkg/deb-version.h>
+
+action_func do_split;
+action_func do_join;
+action_func do_info;
+action_func do_auto;
+action_func do_queue;
+action_func do_discard;
+
+struct partinfo {
+  struct deb_version fmtversion;
+  const char *filename;
+  const char *package;
+  const char *version;
+  const char *arch;
+  const char *md5sum;
+  off_t orglength;
+  int thispartn, maxpartn;
+  off_t maxpartlen;
+  off_t thispartoffset;
+  off_t thispartlen;
+  /** Size of header in part file. */
+  off_t headerlen;
+  off_t filesize;
+};
+
+struct partqueue {
+  struct partqueue *nextinqueue;
+
+  /** Only fields filename, md5sum, maxpartlen, thispartn, maxpartn
+   * are valid; the rest are NULL. If the file is not named correctly
+   * to be a part file md5sum is NULL too and the numbers are zero. */
+  struct partinfo info;
+};
+
+extern off_t opt_maxpartsize;
+extern const char *opt_depotdir;
+extern const char *opt_outputfile;
+extern int opt_npquiet;
+extern int opt_msdos;
+
+void read_fail(int rc, const char *filename, const char *what) DPKG_ATTR_NORET;
+void print_info(const struct partinfo *pi);
+struct partinfo *read_info(struct dpkg_ar *ar, struct partinfo *ir);
+
+void reassemble(struct partinfo **partlist, const char *outputfile);
+void mustgetpartinfo(const char *filename, struct partinfo *ri);
+void addtopartlist(struct partinfo**, struct partinfo*, struct partinfo *refi);
+
+#define SPLITVERSION       "2.1"
+
+#define PARTSDIR          "parts"
+
+#define PARTMAGIC         "debian-split"
+#define HEADERALLOWANCE    1024
+
+#define SPLITPARTDEFMAX    (450 * 1024)
+
+#endif /* DPKG_SPLIT_H */
diff --git a/dpkg-split/info.c b/dpkg-split/info.c
new file mode 100644
index 0000000..1833e8a
--- /dev/null
+++ b/dpkg-split/info.c
@@ -0,0 +1,292 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * info.c - information about split archives
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2012 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <string.h>
+#include <unistd.h>
+#include <ar.h>
+#include <inttypes.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/c-ctype.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/fdio.h>
+#include <dpkg/ar.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+static intmax_t
+parse_intmax(const char *value, const char *fn, const char *what)
+{
+  intmax_t r;
+  char *endp;
+
+  errno = 0;
+  r = strtoimax(value, &endp, 10);
+  if (value == endp || *endp)
+    ohshit(_("file '%.250s' is corrupt - bad digit (code %d) in %s"),
+           fn, *endp, what);
+  if (r < 0 || errno == ERANGE)
+    ohshit(_("file '%s' is corrupt; out of range integer in %s"), fn, what);
+  return r;
+}
+
+static char *nextline(char **ripp, const char *fn, const char *what) {
+  char *newline, *rip;
+
+  rip= *ripp;
+  if (!rip)
+    ohshit(_("file '%.250s' is corrupt - %.250s missing"), fn, what);
+  newline= strchr(rip,'\n');
+  if (!newline)
+    ohshit(_("file '%.250s' is corrupt - missing newline after %.250s"),
+           fn, what);
+  *ripp= newline+1;
+
+  str_rtrim_spaces(rip, newline);
+
+  return rip;
+}
+
+/**
+ * Read a deb-split part archive.
+ *
+ * @return Part info (nfmalloc'd) if was an archive part and we read it,
+ *         NULL if it wasn't.
+ */
+struct partinfo *
+read_info(struct dpkg_ar *ar, struct partinfo *ir)
+{
+  static char *readinfobuf= NULL;
+  static size_t readinfobuflen= 0;
+
+  size_t thisilen;
+  intmax_t templong;
+  char magicbuf[sizeof(DPKG_AR_MAGIC) - 1], *rip, *partnums, *slash;
+  const char *err;
+  struct dpkg_ar_hdr arh;
+  ssize_t rc;
+
+  rc = fd_read(ar->fd, magicbuf, sizeof(magicbuf));
+  if (rc != sizeof(magicbuf)) {
+    if (rc < 0)
+      ohshite(_("error reading %.250s"), ar->name);
+    else
+      return NULL;
+  }
+  if (memcmp(magicbuf, DPKG_AR_MAGIC, sizeof(magicbuf)))
+    return NULL;
+
+  rc = fd_read(ar->fd, &arh, sizeof(arh));
+  if (rc != sizeof(arh))
+    read_fail(rc, ar->name, "ar header");
+
+  dpkg_ar_normalize_name(&arh);
+
+  if (strncmp(arh.ar_name, PARTMAGIC, sizeof(arh.ar_name)) != 0)
+    return NULL;
+  if (dpkg_ar_member_is_illegal(&arh))
+    ohshit(_("file '%.250s' is corrupt - bad magic at end of first header"),
+           ar->name);
+  thisilen = dpkg_ar_member_get_size(ar, &arh);
+  if (thisilen >= readinfobuflen) {
+    readinfobuflen = thisilen + 2;
+    readinfobuf= m_realloc(readinfobuf,readinfobuflen);
+  }
+  rc = fd_read(ar->fd, readinfobuf, thisilen + (thisilen & 1));
+  if (rc != (ssize_t)(thisilen + (thisilen & 1)))
+    read_fail(rc, ar->name, "reading header member");
+  if (thisilen & 1) {
+    int c = readinfobuf[thisilen];
+
+    if (c != '\n')
+      ohshit(_("file '%.250s' is corrupt - bad padding character (code %d)"),
+             ar->name, c);
+  }
+  readinfobuf[thisilen] = '\0';
+  if (memchr(readinfobuf,0,thisilen))
+    ohshit(_("file '%.250s' is corrupt - nulls in info section"), ar->name);
+
+  ir->filename = ar->name;
+
+  rip= readinfobuf;
+  err = deb_version_parse(&ir->fmtversion,
+                          nextline(&rip, ar->name, _("format version number")));
+  if (err)
+    ohshit(_("file '%.250s' has invalid format version: %s"), ar->name, err);
+  if (ir->fmtversion.major != 2)
+    ohshit(_("file '%.250s' is format version %d.%d; get a newer dpkg-split"),
+           ar->name, ir->fmtversion.major, ir->fmtversion.minor);
+
+  ir->package = nfstrsave(nextline(&rip, ar->name, _("package name")));
+  ir->version = nfstrsave(nextline(&rip, ar->name, _("package version number")));
+  ir->md5sum = nfstrsave(nextline(&rip, ar->name, _("package file MD5 checksum")));
+  if (strlen(ir->md5sum) != MD5HASHLEN ||
+      strspn(ir->md5sum, "0123456789abcdef") != MD5HASHLEN)
+    ohshit(_("file '%.250s' is corrupt - bad MD5 checksum '%.250s'"),
+           ar->name, ir->md5sum);
+
+  ir->orglength = parse_intmax(nextline(&rip, ar->name, _("archive total size")),
+                               ar->name, _("archive total size"));
+  ir->maxpartlen = parse_intmax(nextline(&rip, ar->name, _("archive part offset")),
+                                ar->name, _("archive part offset"));
+
+  partnums = nextline(&rip, ar->name, _("archive part numbers"));
+  slash= strchr(partnums,'/');
+  if (!slash)
+    ohshit(_("file '%.250s' is corrupt - no slash between archive part numbers"), ar->name);
+  *slash++ = '\0';
+
+  templong = parse_intmax(slash, ar->name, _("number of archive parts"));
+  if (templong <= 0 || templong > INT_MAX)
+    ohshit(_("file '%.250s' is corrupt - bad number of archive parts"), ar->name);
+  ir->maxpartn= templong;
+  templong = parse_intmax(partnums, ar->name, _("archive parts number"));
+  if (templong <= 0 || templong > ir->maxpartn)
+    ohshit(_("file '%.250s' is corrupt - bad archive part number"), ar->name);
+  ir->thispartn= templong;
+
+  /* If the package was created with dpkg 1.16.1 or later it will include
+   * the architecture. */
+  if (*rip != '\0')
+    ir->arch = nfstrsave(nextline(&rip, ar->name, _("package architecture")));
+  else
+    ir->arch = NULL;
+
+  rc = fd_read(ar->fd, &arh, sizeof(arh));
+  if (rc != sizeof(arh))
+    read_fail(rc, ar->name, "reading data part member ar header");
+
+  dpkg_ar_normalize_name(&arh);
+
+  if (dpkg_ar_member_is_illegal(&arh))
+    ohshit(_("file '%.250s' is corrupt - bad magic at end of second header"),
+           ar->name);
+  if (strncmp(arh.ar_name,"data",4))
+    ohshit(_("file '%.250s' is corrupt - second member is not data member"),
+           ar->name);
+
+  ir->thispartlen = dpkg_ar_member_get_size(ar, &arh);
+  ir->thispartoffset= (ir->thispartn-1)*ir->maxpartlen;
+
+  if (ir->maxpartn != (ir->orglength+ir->maxpartlen-1)/ir->maxpartlen)
+    ohshit(_("file '%.250s' is corrupt - wrong number of parts for quoted sizes"),
+           ar->name);
+  if (ir->thispartlen !=
+      (ir->thispartn == ir->maxpartn
+       ? ir->orglength - ir->thispartoffset : ir->maxpartlen))
+    ohshit(_("file '%.250s' is corrupt - size is wrong for quoted part number"),
+           ar->name);
+
+  ir->filesize = (strlen(DPKG_AR_MAGIC) +
+                  sizeof(arh) + thisilen + (thisilen & 1) +
+                  sizeof(arh) + ir->thispartlen + (ir->thispartlen & 1));
+
+  if (S_ISREG(ar->mode)) {
+    /* Don't do this check if it's coming from a pipe or something.  It's
+     * only an extra sanity check anyway. */
+    if (ar->size < ir->filesize)
+      ohshit(_("file '%.250s' is corrupt - too short"), ar->name);
+  }
+
+  ir->headerlen = strlen(DPKG_AR_MAGIC) +
+                  sizeof(arh) + thisilen + (thisilen & 1) + sizeof(arh);
+
+  return ir;
+}
+
+void mustgetpartinfo(const char *filename, struct partinfo *ri) {
+  struct dpkg_ar *part;
+
+  part = dpkg_ar_open(filename);
+  if (!part)
+    ohshite(_("cannot open archive part file '%.250s'"), filename);
+  if (!read_info(part, ri))
+    ohshite(_("file '%.250s' is not an archive part"), filename);
+  dpkg_ar_close(part);
+}
+
+void print_info(const struct partinfo *pi) {
+  printf(_("%s:\n"
+         "    Part format version:            %d.%d\n"
+         "    Part of package:                %s\n"
+         "        ... version:                %s\n"
+         "        ... architecture:           %s\n"
+         "        ... MD5 checksum:           %s\n"
+         "        ... length:                 %jd bytes\n"
+         "        ... split every:            %jd bytes\n"
+         "    Part number:                    %d/%d\n"
+         "    Part length:                    %jd bytes\n"
+         "    Part offset:                    %jd bytes\n"
+         "    Part file size (used portion):  %jd bytes\n\n"),
+         pi->filename,
+         pi->fmtversion.major, pi->fmtversion.minor,
+         pi->package,
+         pi->version,
+         pi->arch ? pi->arch : C_("architecture", "<unknown>"),
+         pi->md5sum,
+         (intmax_t)pi->orglength,
+         (intmax_t)pi->maxpartlen,
+         pi->thispartn,
+         pi->maxpartn,
+         (intmax_t)pi->thispartlen,
+         (intmax_t)pi->thispartoffset,
+         (intmax_t)pi->filesize);
+}
+
+int
+do_info(const char *const *argv)
+{
+  const char *thisarg;
+  struct partinfo *pi, ps;
+  struct dpkg_ar *part;
+
+  if (!*argv)
+    badusage(_("--%s requires one or more part file arguments"),
+             cipaction->olong);
+
+  while ((thisarg= *argv++)) {
+    part = dpkg_ar_open(thisarg);
+    if (!part)
+      ohshite(_("cannot open archive part file '%.250s'"), thisarg);
+    pi = read_info(part, &ps);
+    dpkg_ar_close(part);
+    if (pi) {
+      print_info(pi);
+    } else {
+      printf(_("file '%s' is not an archive part\n"), thisarg);
+    }
+    m_output(stdout, _("<standard output>"));
+  }
+
+  return 0;
+}
diff --git a/dpkg-split/join.c b/dpkg-split/join.c
new file mode 100644
index 0000000..51de444
--- /dev/null
+++ b/dpkg-split/join.c
@@ -0,0 +1,151 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * join.c - joining
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <limits.h>
+#include <string.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/buffer.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+void reassemble(struct partinfo **partlist, const char *outputfile) {
+  struct dpkg_error err;
+  int fd_out, fd_in;
+  int i;
+
+  printf(P_("Putting package %s together from %d part: ",
+            "Putting package %s together from %d parts: ",
+            partlist[0]->maxpartn),
+         partlist[0]->package,partlist[0]->maxpartn);
+
+  fd_out = creat(outputfile, 0644);
+  if (fd_out < 0)
+    ohshite(_("unable to open output file '%.250s'"), outputfile);
+  for (i=0; i<partlist[0]->maxpartn; i++) {
+    struct partinfo *pi = partlist[i];
+
+    fd_in = open(pi->filename, O_RDONLY);
+    if (fd_in < 0)
+      ohshite(_("unable to (re)open input part file '%.250s'"), pi->filename);
+    if (fd_skip(fd_in, pi->headerlen, &err) < 0)
+      ohshit(_("cannot skip split package header for '%s': %s"), pi->filename,
+             err.str);
+    if (fd_fd_copy(fd_in, fd_out, pi->thispartlen, &err) < 0)
+      ohshit(_("cannot append split package part '%s' to '%s': %s"),
+             pi->filename, outputfile, err.str);
+    close(fd_in);
+
+    printf("%d ", i + 1);
+  }
+  if (fsync(fd_out))
+    ohshite(_("unable to sync file '%s'"), outputfile);
+  if (close(fd_out))
+    ohshite(_("unable to close file '%s'"), outputfile);
+
+  printf(_("done\n"));
+}
+
+
+void addtopartlist(struct partinfo **partlist,
+                   struct partinfo *pi, struct partinfo *refi) {
+  int i;
+
+  if (strcmp(pi->package,refi->package) ||
+      strcmp(pi->version,refi->version) ||
+      strcmp(pi->md5sum,refi->md5sum) ||
+      pi->orglength != refi->orglength ||
+      pi->maxpartn != refi->maxpartn ||
+      pi->maxpartlen != refi->maxpartlen) {
+    print_info(pi);
+    print_info(refi);
+    ohshit(_("files '%.250s' and '%.250s' are not parts of the same file"),
+           pi->filename,refi->filename);
+  }
+  i= pi->thispartn-1;
+  if (partlist[i])
+    ohshit(_("there are several versions of part %d - at least '%.250s' and '%.250s'"),
+           pi->thispartn, pi->filename, partlist[i]->filename);
+  partlist[i]= pi;
+}
+
+int
+do_join(const char *const *argv)
+{
+  const char *thisarg;
+  struct partqueue *queue = NULL;
+  struct partqueue *pq;
+  struct partinfo *refi, **partlist;
+  int i;
+
+  if (!*argv)
+    badusage(_("--%s requires one or more part file arguments"),
+             cipaction->olong);
+  while ((thisarg= *argv++)) {
+    pq = nfmalloc(sizeof(*pq));
+
+    mustgetpartinfo(thisarg,&pq->info);
+
+    pq->nextinqueue= queue;
+    queue= pq;
+  }
+  refi= NULL;
+  for (pq= queue; pq; pq= pq->nextinqueue)
+    if (!refi || pq->info.thispartn < refi->thispartn) refi= &pq->info;
+  if (refi == NULL)
+    internerr("empty deb part queue");
+
+  partlist = nfmalloc(sizeof(*partlist) * refi->maxpartn);
+  for (i = 0; i < refi->maxpartn; i++)
+    partlist[i] = NULL;
+  for (pq= queue; pq; pq= pq->nextinqueue) {
+    struct partinfo *pi = &pq->info;
+
+    addtopartlist(partlist,pi,refi);
+  }
+  for (i=0; i<refi->maxpartn; i++) {
+    if (!partlist[i]) ohshit(_("part %d is missing"),i+1);
+  }
+  if (!opt_outputfile) {
+    char *p;
+
+    p= nfmalloc(strlen(refi->package)+1+strlen(refi->version)+sizeof(DEBEXT));
+    strcpy(p,refi->package);
+    strcat(p, "_");
+    strcat(p,refi->version);
+    strcat(p, "_");
+    strcat(p, refi->arch ? refi->arch : "unknown");
+    strcat(p,DEBEXT);
+    opt_outputfile = p;
+  }
+  reassemble(partlist, opt_outputfile);
+
+  return 0;
+}
diff --git a/dpkg-split/main.c b/dpkg-split/main.c
new file mode 100644
index 0000000..e807329
--- /dev/null
+++ b/dpkg-split/main.c
@@ -0,0 +1,179 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * main.c - main program
+ *
+ * Copyright © 1994-1996 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2006-2012 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+#include <config.h>
+#include <compat.h>
+
+#include <sys/types.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <inttypes.h>
+#if HAVE_LOCALE_H
+#include <locale.h>
+#endif
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/macros.h>
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+static void DPKG_ATTR_NORET
+printversion(const struct cmdinfo *cip, const char *value)
+{
+  printf(_("Debian '%s' package split/join tool; version %s.\n"),
+         SPLITTER, PACKAGE_RELEASE);
+
+  printf(_(
+"This is free software; see the GNU General Public License version 2 or\n"
+"later for copying conditions. There is NO warranty.\n"));
+
+  m_output(stdout, _("<standard output>"));
+
+  exit(0);
+}
+
+static void DPKG_ATTR_NORET
+usage(const struct cmdinfo *cip, const char *value)
+{
+  printf(_(
+"Usage: %s [<option> ...] <command>\n"
+"\n"), SPLITTER);
+
+  printf(_(
+"Commands:\n"
+"  -s|--split <file> [<prefix>]     Split an archive.\n"
+"  -j|--join <part> <part> ...      Join parts together.\n"
+"  -I|--info <part> ...             Display info about a part.\n"
+"  -a|--auto -o <complete> <part>   Auto-accumulate parts.\n"
+"  -l|--listq                       List unmatched pieces.\n"
+"  -d|--discard [<filename> ...]    Discard unmatched pieces.\n"
+"\n"));
+
+  printf(_(
+"  -?, --help                       Show this help message.\n"
+"      --version                    Show the version.\n"
+"\n"));
+
+  printf(_(
+"Options:\n"
+"  --depotdir <directory>           Use <directory> instead of %s/%s.\n"
+"  -S|--partsize <size>             In KiB, for -s (default is 450).\n"
+"  -o|--output <file>               Filename, for -j (default is\n"
+"                                     <package>_<version>_<arch>.deb).\n"
+"  -Q|--npquiet                     Be quiet when -a is not a part.\n"
+"  --msdos                          Generate 8.3 filenames.\n"
+"\n"), ADMINDIR, PARTSDIR);
+
+  printf(_(
+"Exit status:\n"
+"  0 = ok\n"
+"  1 = with --auto, file is not a part\n"
+"  2 = trouble\n"));
+
+
+  m_output(stdout, _("<standard output>"));
+
+  exit(0);
+}
+
+static const char printforhelp[] = N_("Type dpkg-split --help for help.");
+
+off_t opt_maxpartsize = SPLITPARTDEFMAX;
+static const char *admindir;
+const char *opt_depotdir;
+const char *opt_outputfile = NULL;
+int opt_npquiet = 0;
+int opt_msdos = 0;
+
+void DPKG_ATTR_NORET
+read_fail(int rc, const char *filename, const char *what)
+{
+  if (rc >= 0)
+    ohshit(_("unexpected end of file in %s in %.255s"), what, filename);
+  else
+    ohshite(_("error reading %s from file %.255s"), what, filename);
+}
+
+static void
+set_part_size(const struct cmdinfo *cip, const char *value)
+{
+  off_t newpartsize;
+  char *endp;
+
+  errno = 0;
+  newpartsize = strtoimax(value, &endp, 10);
+  if (value == endp || *endp)
+    badusage(_("invalid integer for --%s: '%.250s'"), cip->olong, value);
+  if (newpartsize <= 0 || newpartsize > (INT_MAX >> 10) || errno == ERANGE)
+    badusage(_("part size is far too large or is not positive"));
+
+  opt_maxpartsize = newpartsize << 10;
+  if (opt_maxpartsize <= HEADERALLOWANCE)
+    badusage(_("part size must be at least %d KiB (to allow for header)"),
+             (HEADERALLOWANCE >> 10) + 1);
+}
+
+static const struct cmdinfo cmdinfos[]= {
+  ACTION("split",   's',  0,  do_split),
+  ACTION("join",    'j',  0,  do_join),
+  ACTION("info",    'I',  0,  do_info),
+  ACTION("auto",    'a',  0,  do_auto),
+  ACTION("listq",   'l',  0,  do_queue),
+  ACTION("discard", 'd',  0,  do_discard),
+
+  { "help",         '?',  0,  NULL, NULL,             usage               },
+  { "version",       0,   0,  NULL, NULL,             printversion        },
+  { "depotdir",      0,   1,  NULL, &opt_depotdir,    NULL                },
+  { "partsize",     'S',  1,  NULL, NULL,             set_part_size       },
+  { "output",       'o',  1,  NULL, &opt_outputfile,  NULL                },
+  { "npquiet",      'Q',  0,  &opt_npquiet, NULL,     NULL,           1   },
+  { "msdos",         0,   0,  &opt_msdos, NULL,       NULL,           1   },
+  {  NULL,              0                                              }
+};
+
+int main(int argc, const char *const *argv) {
+  int ret;
+
+  dpkg_locales_init(PACKAGE);
+  dpkg_program_init(SPLITTER);
+  dpkg_options_parse(&argv, cmdinfos, printforhelp);
+
+  admindir = dpkg_db_set_dir(admindir);
+  if (opt_depotdir == NULL)
+    opt_depotdir = dpkg_db_get_path(PARTSDIR);
+
+  if (!cipaction) badusage(_("need an action option"));
+
+  ret = cipaction->action(argv);
+
+  m_output(stderr, _("<standard error>"));
+
+  dpkg_program_done();
+  dpkg_locales_done();
+
+  return ret;
+}
diff --git a/dpkg-split/queue.c b/dpkg-split/queue.c
new file mode 100644
index 0000000..5a08c16
--- /dev/null
+++ b/dpkg-split/queue.c
@@ -0,0 +1,367 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * queue.c - queue management
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2014 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/stat.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <inttypes.h>
+#include <string.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/dir.h>
+#include <dpkg/buffer.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+/*
+ * The queue, by default located in /var/lib/dpkg/parts/, is a plain
+ * directory with one file per part.
+ *
+ * Each part is named “<md5sum>.<maxpartlen>.<thispartn>.<maxpartn>”,
+ * with all numbers in hex.
+ */
+
+
+static bool
+decompose_filename(const char *filename, struct partqueue *pq)
+{
+  const char *p;
+  char *q;
+
+  if (strspn(filename, "0123456789abcdef") != MD5HASHLEN ||
+      filename[MD5HASHLEN] != '.')
+    return false;
+
+  pq->info.md5sum = nfstrnsave(filename, MD5HASHLEN);
+
+  p = filename + MD5HASHLEN + 1;
+  errno = 0;
+  pq->info.maxpartlen = strtoimax(p, &q, 16);
+  if (q == p || *q++ != '.' || errno != 0)
+    return false;
+
+  p = q;
+  pq->info.thispartn = (int)strtol(p, &q, 16);
+  if (q == p || *q++ != '.' || pq->info.thispartn < 0 || errno != 0)
+    return false;
+
+  p = q;
+  pq->info.maxpartn = (int)strtol(p, &q, 16);
+  if (q == p || *q || pq->info.maxpartn < 0 || errno != 0)
+    return false;
+
+  return true;
+}
+
+static struct partqueue *
+scandepot(void)
+{
+  DIR *depot;
+  struct dirent *de;
+  struct partqueue *queue = NULL;
+
+  depot = opendir(opt_depotdir);
+  if (!depot) {
+    if (errno == ENOENT)
+      return NULL;
+
+    ohshite(_("unable to read depot directory '%.250s'"), opt_depotdir);
+  }
+  while ((de= readdir(depot))) {
+    struct partqueue *pq;
+    char *p;
+
+    if (de->d_name[0] == '.') continue;
+    pq = nfmalloc(sizeof(*pq));
+    pq->info.fmtversion.major = 0;
+    pq->info.fmtversion.minor = 0;
+    pq->info.package = NULL;
+    pq->info.version = NULL;
+    pq->info.arch = NULL;
+    pq->info.orglength= pq->info.thispartoffset= pq->info.thispartlen= 0;
+    pq->info.headerlen= 0;
+    p = nfmalloc(strlen(opt_depotdir) + 1 + strlen(de->d_name) + 1);
+    sprintf(p, "%s/%s", opt_depotdir, de->d_name);
+    pq->info.filename= p;
+    if (!decompose_filename(de->d_name,pq)) {
+      pq->info.md5sum= NULL;
+      pq->info.maxpartlen= pq->info.thispartn= pq->info.maxpartn= 0;
+    }
+    pq->nextinqueue= queue;
+    queue= pq;
+  }
+  closedir(depot);
+
+  return queue;
+}
+
+static bool
+partmatches(struct partinfo *pi, struct partinfo *refi)
+{
+  return (pi->md5sum &&
+          strcmp(pi->md5sum, refi->md5sum) == 0 &&
+          pi->maxpartn == refi->maxpartn &&
+          pi->maxpartlen == refi->maxpartlen);
+}
+
+int
+do_auto(const char *const *argv)
+{
+  const char *partfile;
+  struct partinfo *refi, **partlist, *otherthispart;
+  struct partqueue *queue;
+  struct partqueue *pq;
+  struct dpkg_ar *part;
+  int i, j;
+
+  if (!opt_outputfile)
+    badusage(_("--auto requires the use of the --output option"));
+  partfile = *argv++;
+  if (partfile == NULL || *argv)
+    badusage(_("--auto requires exactly one part file argument"));
+
+  refi = nfmalloc(sizeof(*refi));
+  part = dpkg_ar_open(partfile);
+  if (!part)
+    ohshite(_("unable to read part file '%.250s'"), partfile);
+  refi = read_info(part, refi);
+  dpkg_ar_close(part);
+
+  if (refi == NULL) {
+    if (!opt_npquiet)
+      printf(_("File '%.250s' is not part of a multipart archive.\n"), partfile);
+    m_output(stdout, _("<standard output>"));
+    return 1;
+  }
+
+  queue = scandepot();
+  if (queue == NULL)
+    if (dir_make_path(opt_depotdir, 0755) < 0)
+      ohshite(_("cannot create directory %s"), opt_depotdir);
+
+  partlist = nfmalloc(sizeof(*partlist) * refi->maxpartn);
+  for (i = 0; i < refi->maxpartn; i++)
+    partlist[i] = NULL;
+  for (pq= queue; pq; pq= pq->nextinqueue) {
+    struct partinfo *npi, *pi = &pq->info;
+
+    if (!partmatches(pi,refi)) continue;
+    npi = nfmalloc(sizeof(*npi));
+    mustgetpartinfo(pi->filename,npi);
+    addtopartlist(partlist,npi,refi);
+  }
+  /* If we already have a copy of this version we ignore it and prefer the
+   * new one, but we still want to delete the one in the depot, so we
+   * save its partinfo (with the filename) for later. This also prevents
+   * us from accidentally deleting the source file. */
+  otherthispart= partlist[refi->thispartn-1];
+  partlist[refi->thispartn-1]= refi;
+  for (j=refi->maxpartn-1; j>=0 && partlist[j]; j--);
+
+  if (j>=0) {
+    struct dpkg_error err;
+    int fd_src, fd_dst;
+    int ap;
+    char *p, *q;
+
+    p = str_fmt("%s/t.%lx", opt_depotdir, (long)getpid());
+    q = str_fmt("%s/%s.%jx.%x.%x", opt_depotdir, refi->md5sum,
+                (intmax_t)refi->maxpartlen, refi->thispartn, refi->maxpartn);
+
+    fd_src = open(partfile, O_RDONLY);
+    if (fd_src < 0)
+      ohshite(_("unable to reopen part file '%.250s'"), partfile);
+    fd_dst = creat(p, 0644);
+    if (fd_dst < 0)
+      ohshite(_("unable to open new depot file '%.250s'"), p);
+
+    if (fd_fd_copy(fd_src, fd_dst, refi->filesize, &err) < 0)
+      ohshit(_("cannot extract split package part '%s': %s"),
+             partfile, err.str);
+
+    if (fsync(fd_dst))
+      ohshite(_("unable to sync file '%s'"), p);
+    if (close(fd_dst))
+      ohshite(_("unable to close file '%s'"), p);
+    close(fd_src);
+
+    if (rename(p, q))
+      ohshite(_("unable to rename new depot file '%.250s' to '%.250s'"), p, q);
+    free(q);
+    free(p);
+
+    printf(_("Part %d of package %s filed (still want "),refi->thispartn,refi->package);
+    /* There are still some parts missing. */
+    for (i=0, ap=0; i<refi->maxpartn; i++)
+      if (!partlist[i])
+        printf("%s%d", !ap++ ? "" : i == j ? _(" and ") : ", ", i + 1);
+    printf(").\n");
+
+    dir_sync_path(opt_depotdir);
+  } else {
+
+    /* We have all the parts. */
+    reassemble(partlist, opt_outputfile);
+
+    /* OK, delete all the parts (except the new one, which we never copied). */
+    partlist[refi->thispartn-1]= otherthispart;
+    for (i=0; i<refi->maxpartn; i++)
+      if (partlist[i])
+        if (unlink(partlist[i]->filename))
+          ohshite(_("unable to delete used-up depot file '%.250s'"),
+                  partlist[i]->filename);
+
+  }
+
+  m_output(stderr, _("<standard error>"));
+
+  return 0;
+}
+
+int
+do_queue(const char *const *argv)
+{
+  struct partqueue *queue;
+  struct partqueue *pq;
+  const char *head;
+  struct stat stab;
+  off_t bytes;
+
+  if (*argv)
+    badusage(_("--%s takes no arguments"), cipaction->olong);
+
+  queue = scandepot();
+
+  head= N_("Junk files left around in the depot directory:\n");
+  for (pq= queue; pq; pq= pq->nextinqueue) {
+    if (pq->info.md5sum) continue;
+    fputs(gettext(head),stdout); head= "";
+    if (lstat(pq->info.filename,&stab))
+      ohshit(_("unable to stat '%.250s'"), pq->info.filename);
+    if (S_ISREG(stab.st_mode)) {
+      bytes= stab.st_size;
+      printf(_(" %s (%jd bytes)\n"), pq->info.filename, (intmax_t)bytes);
+    } else {
+      printf(_(" %s (not a plain file)\n"),pq->info.filename);
+    }
+  }
+  if (!*head) putchar('\n');
+
+  head= N_("Packages not yet reassembled:\n");
+  for (pq= queue; pq; pq= pq->nextinqueue) {
+    struct partinfo ti;
+    int i;
+
+    if (!pq->info.md5sum) continue;
+    mustgetpartinfo(pq->info.filename,&ti);
+    fputs(gettext(head),stdout); head= "";
+    printf(_(" Package %s: part(s) "), ti.package);
+    bytes= 0;
+    for (i=0; i<ti.maxpartn; i++) {
+      struct partqueue *qq;
+
+      for (qq= pq;
+           qq && !(partmatches(&qq->info,&ti) && qq->info.thispartn == i+1);
+           qq= qq->nextinqueue);
+      if (qq) {
+        printf("%d ",i+1);
+        if (lstat(qq->info.filename,&stab))
+          ohshite(_("unable to stat '%.250s'"), qq->info.filename);
+        if (!S_ISREG(stab.st_mode))
+          ohshit(_("part file '%.250s' is not a plain file"), qq->info.filename);
+        bytes+= stab.st_size;
+
+        /* Don't find this package again. */
+        qq->info.md5sum = NULL;
+      }
+    }
+    printf(_("(total %jd bytes)\n"), (intmax_t)bytes);
+  }
+  m_output(stdout, _("<standard output>"));
+
+  return 0;
+}
+
+enum discard_which {
+  DISCARD_PART_JUNK,
+  DISCARD_PART_PACKAGE,
+  DISCARD_PART_ALL,
+};
+
+static void
+discard_parts(struct partqueue *queue, enum discard_which which,
+              const char *package)
+{
+  struct partqueue *pq;
+
+  for (pq= queue; pq; pq= pq->nextinqueue) {
+    switch (which) {
+    case DISCARD_PART_JUNK:
+      if (pq->info.md5sum) continue;
+      break;
+    case DISCARD_PART_PACKAGE:
+      if (!pq->info.md5sum || strcasecmp(pq->info.package,package)) continue;
+      break;
+    case DISCARD_PART_ALL:
+      break;
+    default:
+      internerr("unknown discard_which '%d'", which);
+    }
+    if (unlink(pq->info.filename))
+      ohshite(_("unable to discard '%.250s'"), pq->info.filename);
+    printf(_("Deleted %s.\n"),pq->info.filename);
+  }
+}
+
+int
+do_discard(const char *const *argv)
+{
+  const char *thisarg;
+  struct partqueue *queue;
+  struct partqueue *pq;
+
+  queue = scandepot();
+  if (*argv) {
+    for (pq= queue; pq; pq= pq->nextinqueue)
+      if (pq->info.md5sum)
+        mustgetpartinfo(pq->info.filename,&pq->info);
+    discard_parts(queue, DISCARD_PART_JUNK, NULL);
+    while ((thisarg = *argv++))
+      discard_parts(queue, DISCARD_PART_PACKAGE, thisarg);
+  } else {
+    discard_parts(queue, DISCARD_PART_ALL, NULL);
+  }
+
+  return 0;
+}
diff --git a/dpkg-split/split.c b/dpkg-split/split.c
new file mode 100644
index 0000000..6072223
--- /dev/null
+++ b/dpkg-split/split.c
@@ -0,0 +1,287 @@
+/*
+ * dpkg-split - splitting and joining of multipart *.deb archives
+ * split.c - splitting archives
+ *
+ * Copyright © 1995 Ian Jackson <ijackson@chiark.greenend.org.uk>
+ * Copyright © 2008-2015 Guillem Jover <guillem@debian.org>
+ *
+ * This 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 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 <https://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include <compat.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/wait.h>
+
+#include <errno.h>
+#include <limits.h>
+#include <inttypes.h>
+#include <fcntl.h>
+#include <libgen.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <stdio.h>
+
+#include <dpkg/i18n.h>
+#include <dpkg/c-ctype.h>
+#include <dpkg/dpkg.h>
+#include <dpkg/dpkg-db.h>
+#include <dpkg/parsedump.h>
+#include <dpkg/path.h>
+#include <dpkg/string.h>
+#include <dpkg/subproc.h>
+#include <dpkg/buffer.h>
+#include <dpkg/ar.h>
+#include <dpkg/options.h>
+
+#include "dpkg-split.h"
+
+/**
+ * Parse the control file from a .deb package into a struct pkginfo.
+ */
+static struct pkginfo *
+deb_parse_control(const char *filename)
+{
+	struct parsedb_state *ps;
+	struct pkginfo *pkg;
+	pid_t pid;
+	int p[2];
+
+	m_pipe(p);
+
+	pid = subproc_fork();
+	if (pid == 0) {
+		/* Child writes to pipe. */
+		m_dup2(p[1], 1);
+		close(p[0]);
+		close(p[1]);
+
+		execlp(BACKEND, BACKEND, "--info", filename, "control", NULL);
+		ohshite(_("unable to execute %s (%s)"),
+		        _("package field value extraction"), BACKEND);
+	}
+	close(p[1]);
+
+	/* Parent reads from pipe. */
+	ps = parsedb_new(_("<dpkg-deb --info pipe>"), p[0], pdb_parse_binary);
+	parsedb_load(ps);
+	parsedb_parse(ps, &pkg);
+	parsedb_close(ps);
+
+	close(p[0]);
+
+	subproc_reap(pid, _("package field value extraction"), SUBPROC_NOPIPE);
+
+	return pkg;
+}
+
+static intmax_t
+parse_timestamp(const char *value)
+{
+	intmax_t timestamp;
+	char *end;
+
+	errno = 0;
+	timestamp = strtoimax(value, &end, 10);
+	if (value == end || *end || errno != 0)
+		ohshite(_("unable to parse timestamp '%.255s'"), value);
+
+	return timestamp;
+}
+
+/* Cleanup filename for use in crippled msdos systems. */
+static char *
+clean_msdos_filename(char *filename)
+{
+	char *d, *s;
+
+	for (s = d = filename; *s; d++, s++) {
+		if (*s == '+')
+			*d = 'x';
+		else if (c_isupper(*s))
+			*d = c_tolower(*s);
+		else if (c_islower(*s) || c_isdigit(*s))
+			*d = *s;
+		else
+			s++;
+	}
+
+	return filename;
+}
+
+static int
+mksplit(const char *file_src, const char *prefix, off_t maxpartsize,
+        bool msdos)
+{
+	struct pkginfo *pkg;
+	struct dpkg_error err;
+	int fd_src;
+	struct stat st;
+	intmax_t timestamp;
+	const char *timestamp_str;
+	const char *version;
+	char hash[MD5HASHLEN + 1];
+	int nparts, curpart;
+	off_t partsize;
+	off_t cur_partsize, last_partsize;
+	char *prefixdir = NULL, *msdos_prefix = NULL;
+	struct varbuf file_dst = VARBUF_INIT;
+	struct varbuf partmagic = VARBUF_INIT;
+	struct varbuf partname = VARBUF_INIT;
+
+	fd_src = open(file_src, O_RDONLY);
+	if (fd_src < 0)
+		ohshite(_("unable to open source file '%.250s'"), file_src);
+	if (fstat(fd_src, &st))
+		ohshite(_("unable to fstat source file"));
+	if (!S_ISREG(st.st_mode))
+		ohshit(_("source file '%.250s' not a plain file"), file_src);
+
+	if (fd_md5(fd_src, hash, -1, &err) < 0)
+		ohshit(_("cannot compute MD5 hash for file '%s': %s"),
+		       file_src, err.str);
+	lseek(fd_src, 0, SEEK_SET);
+
+	pkg  = deb_parse_control(file_src);
+	version = versiondescribe(&pkg->available.version, vdew_nonambig);
+
+	timestamp_str = getenv("SOURCE_DATE_EPOCH");
+	if (timestamp_str)
+		timestamp = parse_timestamp(timestamp_str);
+	else
+		timestamp = time(NULL);
+
+	partsize = maxpartsize - HEADERALLOWANCE;
+	last_partsize = st.st_size % partsize;
+	if (last_partsize == 0)
+		last_partsize = partsize;
+	nparts = (st.st_size + partsize - 1) / partsize;
+
+	printf(P_("Splitting package %s into %d part: ",
+	          "Splitting package %s into %d parts: ", nparts),
+	       pkg->set->name, nparts);
+
+	if (msdos) {
+		char *t;
+
+		t = m_strdup(prefix);
+		prefixdir = m_strdup(dirname(t));
+		free(t);
+
+		msdos_prefix = m_strdup(path_basename(prefix));
+		prefix = clean_msdos_filename(msdos_prefix);
+	}
+
+	for (curpart = 1; curpart <= nparts; curpart++) {
+		struct dpkg_ar *ar;
+
+		varbuf_reset(&file_dst);
+		/* Generate output filename. */
+		if (msdos) {
+			char *refname;
+			int prefix_max;
+
+			refname = str_fmt("%dof%d", curpart, nparts);
+			prefix_max = max(8 - strlen(refname), 0);
+			varbuf_printf(&file_dst, "%s/%.*s%.8s.deb",
+			              prefixdir, prefix_max, prefix, refname);
+			free(refname);
+		} else {
+			varbuf_printf(&file_dst, "%s.%dof%d.deb",
+			              prefix, curpart, nparts);
+		}
+
+		if (curpart == nparts)
+			cur_partsize = last_partsize;
+		else
+			cur_partsize = partsize;
+
+		if (cur_partsize > maxpartsize) {
+			ohshit(_("header is too long, making part too long; "
+			         "the package name or version\n"
+			         "numbers must be extraordinarily long, "
+			         "or something; giving up"));
+		}
+
+		/* Split the data. */
+		ar = dpkg_ar_create(file_dst.buf, 0644);
+		dpkg_ar_set_mtime(ar, timestamp);
+
+		/* Write the ar header. */
+		dpkg_ar_put_magic(ar);
+
+		/* Write the debian-split part. */
+		varbuf_printf(&partmagic,
+		              "%s\n%s\n%s\n%s\n%jd\n%jd\n%d/%d\n%s\n",
+		              SPLITVERSION, pkg->set->name, version, hash,
+		              (intmax_t)st.st_size, (intmax_t)partsize,
+		              curpart, nparts, pkg->available.arch->name);
+		dpkg_ar_member_put_mem(ar, PARTMAGIC,
+		                       partmagic.buf, partmagic.used);
+		varbuf_reset(&partmagic);
+
+		/* Write the data part. */
+		varbuf_printf(&partname, "data.%d", curpart);
+		dpkg_ar_member_put_file(ar, partname.buf,
+		                        fd_src, cur_partsize);
+		varbuf_reset(&partname);
+
+		dpkg_ar_close(ar);
+
+		printf("%d ", curpart);
+	}
+
+	varbuf_destroy(&file_dst);
+	varbuf_destroy(&partname);
+	varbuf_destroy(&partmagic);
+
+	free(prefixdir);
+	free(msdos_prefix);
+
+	close(fd_src);
+
+	printf(_("done\n"));
+
+	return 0;
+}
+
+int
+do_split(const char *const *argv)
+{
+	const char *sourcefile, *prefix;
+
+	sourcefile = *argv++;
+	if (!sourcefile)
+		badusage(_("--split needs a source filename argument"));
+	prefix = *argv++;
+	if (prefix && *argv)
+		badusage(_("--split takes at most a source filename and destination prefix"));
+	if (!prefix) {
+		size_t sourcefile_len = strlen(sourcefile);
+
+		if (str_match_end(sourcefile, DEBEXT))
+			sourcefile_len -= strlen(DEBEXT);
+
+		prefix = nfstrnsave(sourcefile, sourcefile_len);
+	}
+
+	mksplit(sourcefile, prefix, opt_maxpartsize, opt_msdos);
+
+	return 0;
+}