Commit d9bf4aab authored by Timo Teräs's avatar Timo Teräs

search: add search for reverse dependencies in index

So it'll be easier to rebuild affected packages. Fixes #349.
parent 47bac8c2
......@@ -18,18 +18,14 @@
#include "apk_state.h"
struct search_ctx {
int (*action)(struct apk_database *db, int argc, char **argv);
int (*match)(struct apk_package *pkg, const char *str);
int (*print)(struct apk_package *pkg);
int argc;
char **argv;
};
struct search_query_ctx {
struct apk_database *db;
const char *query;
};
static int search_list_print(apk_hash_item item, void *ctx)
static int print_match(struct apk_package *pkg)
{
struct apk_package *pkg = (struct apk_package *) item;
printf("%s", pkg->name->name);
if (apk_verbosity > 0)
printf("-%s", pkg->version);
......@@ -41,61 +37,50 @@ static int search_list_print(apk_hash_item item, void *ctx)
return 0;
}
static int search_query_print(apk_hash_item item, void *ctx)
static int print_rdepends(struct apk_package *pkg)
{
struct search_query_ctx *ictx = (struct search_query_ctx *) ctx;
struct apk_package *pkg = (struct apk_package *) item;
struct apk_name *name, *name0;
struct apk_package *pkg0;
struct apk_dependency *dep;
int i, j, k;
if (fnmatch(ictx->query, pkg->name->name, 0) != 0)
name = pkg->name;
if (name->rdepends == NULL)
return 0;
search_list_print(item, ictx->db);
return 0;
}
static int search_list(struct apk_database *db, int argc, char **argv)
{
int i;
struct search_query_ctx ctx;
ctx.db = db;
if (argc == 0)
apk_hash_foreach(&db->available.packages, search_list_print, db);
else
for (i=0; i<argc; i++) {
ctx.query = argv[i];
apk_hash_foreach(&db->available.packages, search_query_print, &ctx);
printf("%s-%s:", pkg->name->name, pkg->version);
for (i = 0; i < name->rdepends->num; i++) {
name0 = name->rdepends->item[i];
if (name0->pkgs == NULL)
continue;
for (j = 0; j < name0->pkgs->num; j++) {
pkg0 = name0->pkgs->item[j];
if (pkg0->depends == NULL)
continue;
for (k = 0; k < pkg0->depends->num; k++) {
dep = &pkg0->depends->item[k];
if (name == dep->name &&
(apk_version_compare(pkg->version, dep->version)
& dep->result_mask)) {
printf(" %s-%s", pkg0->name->name, pkg0->version);
}
}
}
}
printf("\n");
return 0;
}
static int search_query_desc_print(apk_hash_item item, void *ctx)
static int search_pkgname(struct apk_package *pkg, const char *str)
{
struct search_query_ctx *ictx = (struct search_query_ctx *) ctx;
struct apk_package *pkg = (struct apk_package *) item;
if( strstr(pkg->description, ictx->query) == NULL )
return 0;
search_list_print(item, ictx->db);
return 0;
return fnmatch(str, pkg->name->name, 0) == 0;
}
static int search_desc(struct apk_database *db, int argc, char **argv)
static int search_desc(struct apk_package *pkg, const char *str)
{
int i;
struct search_query_ctx ctx;
ctx.db = db;
for (i=0; i<argc; i++) {
ctx.query = argv[i];
apk_hash_foreach(&db->available.packages, search_query_desc_print, &ctx);
}
return 0;
return strstr(pkg->name->name, str) != NULL ||
strstr(pkg->description, str) != NULL;
}
static int search_parse(void *ctx, struct apk_db_options *dbopts,
......@@ -105,7 +90,10 @@ static int search_parse(void *ctx, struct apk_db_options *dbopts,
switch (optch) {
case 'd':
ictx->action = search_desc;
ictx->match = search_desc;
break;
case 'r':
ictx->print = print_rdepends;
break;
default:
return -1;
......@@ -113,23 +101,69 @@ static int search_parse(void *ctx, struct apk_db_options *dbopts,
return 0;
}
static int match_packages(apk_hash_item item, void *ctx)
{
struct search_ctx *ictx = (struct search_ctx *) ctx;
struct apk_package *pkg = (struct apk_package *) item;
int i;
for (i = 0; i < ictx->argc; i++)
if (ictx->match(pkg, ictx->argv[i]))
break;
if (ictx->argc == 0 || i < ictx->argc)
ictx->print(pkg);
return 0;
}
static int search_main(void *ctx, struct apk_database *db, int argc, char **argv)
{
struct search_ctx *ictx = (struct search_ctx *) ctx;
struct apk_name *name;
int rc = 0, i, j, slow_search;
slow_search = ictx->match != NULL || argc == 0;
if (!slow_search) {
for (i = 0; i < argc; i++)
if (strcspn(argv[i], "*?[") != strlen(argv[i])) {
slow_search = 1;
break;
}
}
if (ictx->match == NULL)
ictx->match = search_pkgname;
if (ictx->print == NULL)
ictx->print = print_match;
else if (argc == 0)
return -1;
if (ictx->action != NULL)
return ictx->action(db, argc, argv);
if (slow_search) {
ictx->argc = argc;
ictx->argv = argv;
rc = apk_hash_foreach(&db->available.packages,
match_packages, ictx);
} else {
for (i = 0; i < argc; i++) {
name = apk_db_query_name(db, APK_BLOB_STR(argv[i]));
if (name == NULL || name->pkgs == NULL)
continue;
for (j = 0; j < name->pkgs->num; j++)
ictx->print(name->pkgs->item[j]);
}
}
return search_list(db, argc, argv);
return rc;
}
static struct apk_option search_options[] = {
{ 'd', "description", "Search also package descriptions" },
{ 'd', "description", "Search also package descriptions" },
{ 'r', "rdepends", "Print reverse dependencies of package" },
};
static struct apk_applet apk_search = {
.name = "search",
.help = "Search package names (and descriptions) by wildcard PATTERN.",
.help = "Search package by PATTERNs or by indexed dependencies.",
.arguments = "PATTERN",
.open_flags = APK_OPENF_READ | APK_OPENF_NO_STATE,
.context_size = sizeof(struct search_ctx),
......
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