opkg: switch to LEDE fork (#120, #551, #571)

Cherry-pick the following commits from master to bump opkg in LEDE 17.01:

b65dc04712 opkg: switch to own fork to improve memory usage
55ffc38004 opkg: re-enable usign support
19720a6f03 opkg: fix handling conffiles in status lists
9e4555f58d opkg: fix stray printf() (#551)
ebf846b005 opkg: mark as essential (FS#571)
aedd5d5cb0 opkg: fix several package installation bugs
48ae44d033 opkg: gracefully handle missing $PATH, fix build warnings
1449b52f02 opkg: backport upstream fixes, code cleanups

Signed-off-by: Jo-Philipp Wich <jo@mein.io>

1 files changed, 0 insertions, 58 deletions

diff --git a/package/system/opkg/patches/060-add-find-command.patch b/package/system/opkg/patches/060-add-find-command.patch
deleted file mode 100644
index 1762534..0000000
--- a/package/system/opkg/patches/060-add-find-command.patch
+++ /dev/null
@@ -1,58 +0,0 @@
---- a/libopkg/opkg_cmd.c
-+++ b/libopkg/opkg_cmd.c
-@@ -594,7 +594,7 @@ opkg_download_cmd(int argc, char **argv)
- 
- 
- static int
--opkg_list_cmd(int argc, char **argv)
-+opkg_list_find_cmd(int argc, char **argv, int use_desc)
- {
-      int i;
-      pkg_vec_t *available;
-@@ -610,7 +610,8 @@ opkg_list_cmd(int argc, char **argv)
-      for (i=0; i < available->len; i++) {
- 	  pkg = available->pkgs[i];
- 	  /* if we have package name or pattern and pkg does not match, then skip it */
--	  if (pkg_name && fnmatch(pkg_name, pkg->name, conf->nocase))
-+	  if (pkg_name && fnmatch(pkg_name, pkg->name, conf->nocase) &&
-+	      (!use_desc || !pkg->description || fnmatch(pkg_name, pkg->description, conf->nocase)))
- 	       continue;
-           print_pkg(pkg);
-      }
-@@ -619,6 +620,18 @@ opkg_list_cmd(int argc, char **argv)
-      return 0;
- }
- 
-+static int
-+opkg_list_cmd(int argc, char **argv)
-+{
-+	return opkg_list_find_cmd(argc, argv, 0);
-+}
-+
-+static int
-+opkg_find_cmd(int argc, char **argv)
-+{
-+	return opkg_list_find_cmd(argc, argv, 1);
-+}
-+
- 
- static int
- opkg_list_installed_cmd(int argc, char **argv)
-@@ -1262,6 +1275,7 @@ static opkg_cmd_t cmds[] = {
-      {"configure", 0, (opkg_cmd_fun_t)opkg_configure_cmd, PFM_DESCRIPTION|PFM_SOURCE},
-      {"files", 1, (opkg_cmd_fun_t)opkg_files_cmd, PFM_DESCRIPTION|PFM_SOURCE},
-      {"search", 1, (opkg_cmd_fun_t)opkg_search_cmd, PFM_DESCRIPTION|PFM_SOURCE},
-+     {"find", 1, (opkg_cmd_fun_t)opkg_find_cmd, PFM_SOURCE},
-      {"download", 1, (opkg_cmd_fun_t)opkg_download_cmd, PFM_DESCRIPTION|PFM_SOURCE},
-      {"compare_versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd, PFM_DESCRIPTION|PFM_SOURCE},
-      {"compare-versions", 1, (opkg_cmd_fun_t)opkg_compare_versions_cmd, PFM_DESCRIPTION|PFM_SOURCE},
---- a/src/opkg-cl.c
-+++ b/src/opkg-cl.c
-@@ -246,6 +246,7 @@ usage()
- 	printf("\tlist-changed-conffiles	List user modified configuration files\n");
- 	printf("\tfiles <pkg>		List files belonging to <pkg>\n");
- 	printf("\tsearch <file|regexp>	List package providing <file>\n");
-+	printf("\tfind <regexp>		List packages whose name or description matches <regexp>\n");
- 	printf("\tinfo [pkg|regexp]	Display all info for <pkg>\n");
- 	printf("\tstatus [pkg|regexp]	Display all status for <pkg>\n");
- 	printf("\tdownload <pkg>		Download <pkg> to current directory\n");