[package] opkg: implement "list-changed-conffiles" command, based on patch by Yann Lopez <yann.lopez@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@23210 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 70 insertions, 0 deletions

diff --git a/package/opkg/patches/013-add-list-changed-conffiles.patch b/package/opkg/patches/013-add-list-changed-conffiles.patch
new file mode 100644
index 0000000000..1824ceaa70
--- /dev/null
+++ b/package/opkg/patches/013-add-list-changed-conffiles.patch
@@ -0,0 +1,70 @@
+--- a/libopkg/opkg_cmd.c
++++ b/libopkg/opkg_cmd.c
+@@ -617,6 +617,39 @@ opkg_list_installed_cmd(int argc, char *
+ }
+ 
+ static int
++opkg_list_changed_conffiles_cmd(int argc, char **argv)
++{
++     int i ;
++     pkg_vec_t *available;
++     pkg_t *pkg;
++     char *pkg_name = NULL;
++     conffile_list_elt_t *iter;
++     conffile_t *cf;
++
++     if (argc > 0) {
++	  pkg_name = argv[0];
++     }
++     available = pkg_vec_alloc();
++     pkg_hash_fetch_all_installed(available);
++     pkg_vec_sort(available, pkg_compare_names);
++     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, 0))
++	    continue;
++	  if (nv_pair_list_empty(&pkg->conffiles))
++	    continue;
++	  for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
++	    cf = (conffile_t *)iter->data;
++	    if (cf->name && cf->value && conffile_has_been_modified(cf))
++          printf("%s\n", cf->name);
++	  }
++     }
++     pkg_vec_free(available);
++     return 0;
++}
++
++static int
+ opkg_list_upgradable_cmd(int argc, char **argv)
+ {
+     struct active_list *head = prepare_upgrade_list();
+@@ -1188,6 +1221,8 @@ static opkg_cmd_t cmds[] = {
+      {"list-installed", 0, (opkg_cmd_fun_t)opkg_list_installed_cmd, PFM_SOURCE},
+      {"list_upgradable", 0, (opkg_cmd_fun_t)opkg_list_upgradable_cmd, PFM_SOURCE},
+      {"list-upgradable", 0, (opkg_cmd_fun_t)opkg_list_upgradable_cmd, PFM_SOURCE},
++     {"list_changed_conffiles", 0, (opkg_cmd_fun_t)opkg_list_changed_conffiles_cmd, PFM_SOURCE},
++     {"list-changed-conffiles", 0, (opkg_cmd_fun_t)opkg_list_changed_conffiles_cmd, PFM_SOURCE},
+      {"info", 0, (opkg_cmd_fun_t)opkg_info_cmd, 0},
+      {"flag", 1, (opkg_cmd_fun_t)opkg_flag_cmd, PFM_DESCRIPTION|PFM_SOURCE},
+      {"status", 0, (opkg_cmd_fun_t)opkg_status_cmd, PFM_DESCRIPTION|PFM_SOURCE},
+--- a/src/opkg-cl.c
++++ b/src/opkg-cl.c
+@@ -228,6 +228,7 @@ usage()
+ 	printf("\tlist			List available packages\n");
+ 	printf("\tlist-installed		List installed packages\n");
+ 	printf("\tlist-upgradable		List installed and upgradable packages\n");
++	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("\tinfo [pkg|regexp]	Display all info for <pkg>\n");
+@@ -331,6 +332,8 @@ main(int argc, char *argv[])
+ 	    !strcmp(cmd_name,"compare-versions") ||
+ 	    !strcmp(cmd_name,"list_installed") ||
+ 	    !strcmp(cmd_name,"list-installed") ||
++	    !strcmp(cmd_name,"list_changed_conffiles") ||
++	    !strcmp(cmd_name,"list-changed-conffiles") ||
+ 	    !strcmp(cmd_name,"status") )
+ 		noreadfeedsfile = 1;
+