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Use librpm as rpm fallback

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This commit is contained in:
Linus Dierheimer
2022-05-24 13:36:33 +02:00
parent ea44231c78
commit 960364bd47
12 changed files with 102 additions and 14 deletions
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src/modules/packages.c
+75 -9
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@@ -6,6 +6,58 @@
#define FF_PACKAGES_MODULE_NAME "Packages"
#define FF_PACKAGES_NUM_FORMAT_ARGS 9
#ifdef FF_HAVE_RPM
#include <rpm/rpmlib.h>
#include <rpm/rpmts.h>
#include <rpm/rpmdb.h>
#include <rpm/rpmlog.h>
static uint32_t getRpmFromLibrpm(const FFinstance* instance)
{
FF_LIBRARY_LOAD(rpm, instance->config.librpm, 0, "librpm.so", 12)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmReadConfigFiles, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmtsCreate, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmtsInitIterator, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmdbGetIteratorCount, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmdbFreeIterator, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmtsFree, 0)
FF_LIBRARY_LOAD_SYMBOL(rpm, rpmlogSetMask, 0)
// Don't print any error messages
ffrpmlogSetMask(RPMLOG_MASK(RPMLOG_EMERG));
if(ffrpmReadConfigFiles(NULL, NULL) != 0)
{
dlclose(rpm);
return 0;
}
rpmts ts = ffrpmtsCreate();
if(ts == NULL)
{
dlclose(rpm);
return 0;
}
rpmdbMatchIterator mi = ffrpmtsInitIterator(ts, RPMDBI_LABEL, NULL, 0);
if(mi == NULL)
{
ffrpmtsFree(ts);
dlclose(rpm);
return 0;
}
int count = ffrpmdbGetIteratorCount(mi);
ffrpmdbFreeIterator(mi);
ffrpmtsFree(ts);
dlclose(rpm);
return count > 0 ? (uint32_t) count : 0;
}
#endif
static uint32_t getNumElements(const char* dirname, unsigned char type)
{
DIR* dirp = opendir(dirname);
@@ -140,19 +192,33 @@ static uint32_t getNixPackagesUser(const FFinstance* instance)
return result;
}
static uint32_t getRpmPackageCount(const FFinstance* instance)
{
// We do our own sql querys instead of using (lib)rpm, because:
// - simply faster
// - we don't need to regulary increase librpm version, which increases rapidly without providing a major version symlink
uint32_t rpm = (uint32_t) ffSettingsGetSQLite3Int(instance, FASTFETCH_TARGET_DIR_ROOT"/var/lib/rpm/rpmdb.sqlite", "SELECT count(blob) FROM Packages");
if(rpm != 0)
return rpm;
rpm = (uint32_t) ffSettingsGetSQLite3Int(instance, FASTFETCH_TARGET_DIR_ROOT"/var/cache/dnf/packages.db", "SELECT count(pkg) FROM installed");
if(rpm != 0)
return rpm;
// If SQL failed, we can still try with rpm.
// This is needed on openSUSE, which seems to use a proprietary database file
#ifdef FF_HAVE_RPM
return getRpmFromLibrpm(instance);
#endif
return 0;
}
void ffPrintPackages(FFinstance* instance)
{
uint32_t pacman = getNumElements(FASTFETCH_TARGET_DIR_ROOT"/var/lib/pacman/local", DT_DIR);
uint32_t dpkg = getNumStrings(FASTFETCH_TARGET_DIR_ROOT"/var/lib/dpkg/status", "Status: ");
// We do our own sql querys instead of using (lib)rpm, because:
// - simply faster
// - we get package count on SUSE platforms
// - we don't need to regulary increase librpm version, which increases rapidly without providing a major version symlink
uint32_t rpm = (uint32_t) ffSettingsGetSQLite3Int(instance, "/var/lib/rpm/rpmdb.sqlite", "SELECT count(blob) FROM Packages");
if(rpm == 0)
rpm = (uint32_t) ffSettingsGetSQLite3Int(instance, "/var/cache/dnf/packages.db", "SELECT count(pkg) FROM installed");
uint32_t rpm = getRpmPackageCount(instance);
uint32_t emerge = countFilesIn(FASTFETCH_TARGET_DIR_ROOT"/var/db/pkg", "SIZE");
uint32_t xbps = getNumElements(FASTFETCH_TARGET_DIR_ROOT"/var/db/xbps", DT_REG);