dpkg: Update from 1.18.15 to 1.18.18

This allows dropping of local patches tolerating symlink size
to differ between st_size and strlen(readlink()) which is now
upstream.

packages/dpkg/build.sh

@@ -1,8 +1,8 @@
 TERMUX_PKG_HOMEPAGE=https://packages.debian.org/dpkg
 TERMUX_PKG_DESCRIPTION="Debian package management system"
-TERMUX_PKG_VERSION=1.18.15
+TERMUX_PKG_VERSION=1.18.18
 TERMUX_PKG_SRCURL=https://mirrors.kernel.org/debian/pool/main/d/dpkg/dpkg_${TERMUX_PKG_VERSION}.tar.xz
-TERMUX_PKG_SHA256=aee936653b9c39403160c0a331ee7934563fbfa4e1f5adbc14a289c803cda371
+TERMUX_PKG_SHA256=c88b61e3d4660500753142689e8ddbeff1c731f29549f3338e6975f655936ff5
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--disable-dselect --disable-shared --disable-start-stop-daemon --disable-largefile --disable-update-alternatives --host=${TERMUX_ARCH}-linux --without-selinux dpkg_cv_c99_snprintf=yes ac_cv_lib_selinux_setexecfilecon=no HAVE_SETEXECFILECON_FALSE=#"
 TERMUX_PKG_EXTRA_CONFIGURE_ARGS+=" --without-libbz2"
 TERMUX_PKG_RM_AFTER_INSTALL="lib/perl5 share/perl5 lib/dpkg/parsechangelog bin/dpkg-architecture bin/dpkg-buildflags bin/dpkg-buildpackage bin/dpkg-checkbuilddeps bin/dpkg-distaddfile bin/dpkg-genchanges bin/dpkg-gencontrol bin/dpkg-gensymbols bin/dpkg-maintscript-helper bin/dpkg-mergechangelogs bin/dpkg-name bin/dpkg-parsechangelog bin/dpkg-scanpackages bin/dpkg-scansources bin/dpkg-shlibdeps bin/dpkg-source bin/dpkg-statoverride bin/dpkg-vendor share/man/man1/dpkg-architecture.1 share/man/man1/dpkg-buildflags.1 share/man/man1/dpkg-buildpackage.1 share/man/man1/dpkg-checkbuilddeps.1 share/man/man1/dpkg-distaddfile.1 share/man/man1/dpkg-genchanges.1 share/man/man1/dpkg-gencontrol.1 share/man/man1/dpkg-gensymbols.1 share/man/man1/dpkg-maintscript-helper.1 share/man/man1/dpkg-mergechangelogs.1 share/man/man1/dpkg-name.1 share/man/man1/dpkg-parsechangelog.1 share/man/man1/dpkg-scanpackages.1 share/man/man1/dpkg-scansources.1 share/man/man1/dpkg-shlibdeps.1 share/man/man1/dpkg-source.1 share/man/man1/dpkg-vendor.1 share/man/man8/dpkg-statoverride.8 share/man/man3"

packages/dpkg/src-archives.c.patch

@@ -1,6 +1,6 @@
-diff -u -r ../dpkg-1.18.15/src/archives.c ./src/archives.c
---- ../dpkg-1.18.15/src/archives.c	2016-11-11 22:18:40.000000000 -0500
-+++ ./src/archives.c	2016-12-03 16:28:53.922977673 -0500
+diff -u -r ../dpkg-1.18.18/src/archives.c ./src/archives.c
+--- ../dpkg-1.18.18/src/archives.c	2016-12-17 13:46:21.000000000 -0500
++++ ./src/archives.c	2016-12-20 18:44:57.276098093 -0500
 @@ -393,8 +393,10 @@
              namenode->statoverride->uid,
              namenode->statoverride->gid,
@@ -28,28 +28,7 @@ diff -u -r ../dpkg-1.18.15/src/archives.c ./src/archives.c
      if (chmod(path, st->mode & ~S_IFMT))
        ohshite(_("error setting permissions of '%.255s'"), path);
    }
-@@ -546,7 +552,9 @@
-     linksize = readlink(fn_old, linkname, stab->st_size + 1);
-     if (linksize < 0)
-       ohshite(_("unable to read link '%.255s'"), fn_old);
--    else if (linksize != stab->st_size)
-+    else if (linksize > stab->st_size)
-+      /* Termux patch: In some cases st_size is too large, ignore that.
-+         See https://github.com/corbinlc/GNURootDebian/issues/103 */
-       ohshit(_("symbolic link '%.250s' size has changed from %jd to %zd"),
-              fn_old, (intmax_t)stab->st_size, linksize);
-     linkname[linksize] = '\0';
-@@ -1033,19 +1041,28 @@
-       r = readlink(fnamevb.buf, symlinkfn.buf, symlinkfn.size);
-       if (r < 0)
-         ohshite(_("unable to read link '%.255s'"), ti->name);
--      else if (r != stab.st_size)
-+      else if (r > stab.st_size)
-+        /* Termux patch: In some cases st_size is too large, ignore that.
-+           See https://github.com/corbinlc/GNURootDebian/issues/103 */
-         ohshit(_("symbolic link '%.250s' size has changed from %jd to %zd"),
-                fnamevb.buf, (intmax_t)stab.st_size, r);
-       varbuf_trunc(&symlinkfn, r);
+@@ -1046,12 +1052,19 @@
        varbuf_end_str(&symlinkfn);
        if (symlink(symlinkfn.buf,fnametmpvb.buf))
          ohshite(_("unable to make backup symlink for '%.255s'"), ti->name);

packages/dpkg/src-configure.c.patch

@@ -14,14 +14,3 @@ diff -u -r ../dpkg-1.18.15/src/configure.c ./src/configure.c
  				        pkg_name(pkg, pnaw_nonambig), cdr.buf,
  				        cdr2.buf, strerror(errno));
  		/* Fall through. */
-@@ -757,7 +759,9 @@
- 				        pkg_name(pkg, pnaw_nonambig), in,
- 				        result->buf, strerror(errno));
- 				return -1;
--			} else if (r != stab.st_size) {
-+			} else if (r > stab.st_size) {
-+				/* Termux patch: In some cases st_size is too large, ignore that.
-+				   See https://github.com/corbinlc/GNURootDebian/issues/103 */
- 				warning(_("symbolic link '%.250s' size has "
- 				          "changed from %jd to %zd"),
- 				        result->buf, (intmax_t)stab.st_size, r);