[OpenWrt-Devel] [PATCH v3] opkg: Extend 'opkg list' command to optionally display package size

[Hannu Nyman]

'opkg list' command only displays the available packages' name, version and 
description. It would be useful to also see the approximate size of the
available package.

This patch extends "opkg list" command with "--size" to optionally show also 
the *.ipk size.
* Default behaviour is to list the available packages as earlier: 
  "name - version - description"
* with "--size" the output of is "name - version - size - description".

Signed-off-by: Hannu Nyman <hannu.nyman at iki.fi>

---
Patch v2: bump opkg PKG_RELEASE and rebase
Patch v3: modify patch for the "git am" compatibility requirement

This patch superseeds https://patchwork.ozlabs.org/patch/512231/
and https://patchwork.ozlabs.org/patch/518287/


Example:
root at OpenWrt:~# opkg list kr*
krb5-client - 1.13.1-1 - Kerberos 5 Client
krb5-libs - 1.13.1-1 - Kerberos 5 Shared Libraries
krb5-server - 1.13.1-1 - Kerberos 5 Server

root at OpenWrt:~# opkg list --size kr*
krb5-client - 1.13.1-1 - 37297 - Kerberos 5 Client
krb5-libs - 1.13.1-1 - 667427 - Kerberos 5 Shared Libraries
krb5-server - 1.13.1-1 - 122460 - Kerberos 5 Server

Example implementation that utilises this opkg change to show the 
.ipk size to the user in GUI:
https://github.com/openwrt/luci/issues/19#issuecomment-136397807




Index: package/system/opkg/Makefile
===================================================================
--- a/package/system/opkg/Makefile
+++ b/package/system/opkg/Makefile
@@ -12,7 +12,7 @@
 PKG_NAME:=opkg
 PKG_REV:=9c97d5ecd795709c8584e972bfdf3aee3a5b846d
 PKG_VERSION:=$(PKG_REV)
-PKG_RELEASE:=9
+PKG_RELEASE:=10
 
 PKG_SOURCE_PROTO:=git
 PKG_SOURCE_VERSION:=$(PKG_REV)
Index: package/system/opkg/patches/260-add-print-package-size.patch
===================================================================
--- /dev/null
+++ b/package/system/opkg/patches/260-add-print-package-size.patch
@@ -0,0 +1,74 @@
+--- a/libopkg/opkg_conf.c
++++ b/libopkg/opkg_conf.c
+@@ -69,6 +69,7 @@ opkg_option_t options[] = {
+ 	  { "proxy_passwd", OPKG_OPT_TYPE_STRING, &_conf.proxy_passwd },
+ 	  { "proxy_user", OPKG_OPT_TYPE_STRING, &_conf.proxy_user },
+ 	  { "query-all", OPKG_OPT_TYPE_BOOL, &_conf.query_all },
++	  { "size", OPKG_OPT_TYPE_BOOL, &_conf.size },
+ 	  { "tmp_dir", OPKG_OPT_TYPE_STRING, &_conf.tmp_dir },
+ 	  { "verbosity", OPKG_OPT_TYPE_INT, &_conf.verbosity },
+ #if defined(HAVE_OPENSSL)
+--- a/libopkg/opkg_conf.h
++++ b/libopkg/opkg_conf.h
+@@ -88,6 +88,7 @@ struct opkg_conf
+      int query_all;
+      int verbosity;
+      int noaction;
++     int size;
+      int download_only;
+      char *cache;
+ 
+--- a/src/opkg-cl.c
++++ b/src/opkg-cl.c
+@@ -52,6 +52,7 @@ enum {
+ 	ARGS_OPT_AUTOREMOVE,
+ 	ARGS_OPT_CACHE,
+ 	ARGS_OPT_FORCE_SIGNATURE,
++	ARGS_OPT_SIZE,
+ };
+ 
+ static struct option long_options[] = {
+@@ -98,6 +99,7 @@ static struct option long_options[] = {
+ 	{"offline-root", 1, 0, 'o'},
+ 	{"add-arch", 1, 0, ARGS_OPT_ADD_ARCH},
+ 	{"add-dest", 1, 0, ARGS_OPT_ADD_DEST},
++	{"size", 0, 0, ARGS_OPT_SIZE},
+ 	{"test", 0, 0, ARGS_OPT_NOACTION},
+ 	{"tmp-dir", 1, 0, 't'},
+ 	{"tmp_dir", 1, 0, 't'},
+@@ -212,6 +214,9 @@ args_parse(int argc, char *argv[])
+ 			}
+ 			free(tuple);
+ 			break;
++		case ARGS_OPT_SIZE:
++			conf->size = 1;
++			break;
+ 		case ARGS_OPT_NOACTION:
+ 			conf->noaction = 1;
+ 			break;
+@@ -315,6 +320,7 @@ usage()
+ 	printf("\t--download-only	No action -- download only\n");
+ 	printf("\t--nodeps		Do not follow dependencies\n");
+ 	printf("\t--nocase		Perform case insensitive pattern matching\n");
++	printf("\t--size			Print package size when listing available packages\n");
+ 	printf("\t--force-removal-of-dependent-packages\n");
+ 	printf("\t			Remove package and all dependencies\n");
+ 	printf("\t--autoremove		Remove packages that were installed\n");
+--- a/libopkg/opkg_cmd.c
++++ b/libopkg/opkg_cmd.c
+@@ -47,10 +47,12 @@ static void
+ print_pkg(pkg_t *pkg)
+ {
+ 	char *version = pkg_version_str_alloc(pkg);
++	printf("%s - %s", pkg->name, version);
++	if (conf->size)
++		printf(" - %lu", pkg->size);
+ 	if (pkg->description)
+-		printf("%s - %s - %s\n", pkg->name, version, pkg->description);
+-	else
+-		printf("%s - %s\n", pkg->name, version);
++		printf(" - %s", pkg->description);
++	printf("\n");
+ 	free(version);
+ }
+ 
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