rpm/tools/rpmdeps.c

101 lines
2.1 KiB
C

#include "system.h"
const char *__progname;
#include <rpm/rpmbuild.h>
#include <rpm/argv.h>
#include <rpm/rpmds.h>
#include <rpm/rpmfc.h>
#include "debug.h"
char *progname;
static int print_provides;
static int print_requires;
static void rpmdsPrint(const char * msg, rpmds ds, FILE * fp)
{
if (fp == NULL) fp = stderr;
if (msg)
fprintf(fp, "===================================== %s\n", msg);
ds = rpmdsInit(ds);
while (rpmdsNext(ds) >= 0)
fprintf(fp, "%s\n", rpmdsDNEVR(ds)+2);
}
static struct poptOption optionsTable[] = {
{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, rpmcliAllPoptTable, 0,
N_("Common options for all rpm modes and executables:"),
NULL },
{ "provides", 'P', POPT_ARG_VAL, &print_provides, -1,
NULL, NULL },
{ "requires", 'R', POPT_ARG_VAL, &print_requires, -1,
NULL, NULL },
POPT_AUTOALIAS
POPT_AUTOHELP
POPT_TABLEEND
};
int
main(int argc, char *argv[])
{
poptContext optCon = NULL;
ARGV_t av = NULL;
rpmfc fc = NULL;
int ec = 1;
char buf[BUFSIZ];
if ((progname = strrchr(argv[0], '/')) != NULL)
progname++;
else
progname = argv[0];
optCon = rpmcliInit(argc, argv, optionsTable);
if (optCon == NULL)
goto exit;
/* normally files get passed through stdin but also accept files as args */
if (poptPeekArg(optCon)) {
const char *arg;
while ((arg = poptGetArg(optCon)) != NULL) {
argvAdd(&av, arg);
}
} else {
while (fgets(buf, sizeof(buf), stdin) != NULL) {
char *be = buf + strlen(buf) - 1;
while (strchr("\r\n", *be) != NULL)
*be-- = '\0';
argvAdd(&av, buf);
}
}
/* Make sure file names are sorted. */
argvSort(av, NULL);
/* Build file/package class and dependency dictionaries. */
fc = rpmfcCreate(getenv("RPM_BUILD_ROOT"), 0);
if (rpmfcClassify(fc, av, NULL) || rpmfcApply(fc))
goto exit;
if (_rpmfc_debug)
rpmfcPrint(buf, fc, NULL);
if (print_provides)
rpmdsPrint(NULL, rpmfcProvides(fc), stdout);
if (print_requires)
rpmdsPrint(NULL, rpmfcRequires(fc), stdout);
ec = 0;
exit:
argvFree(av);
rpmfcFree(fc);
rpmcliFini(optCon);
return ec;
}