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#include <dirent.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "actions.h"
#include "utils.h"
void
pkg_print(char *pkg, struct env *e) {
char *p = concat(e->sys_db, "/", pkg, "/version", NULL);
char *buf = NULL;
size_t bufn = 0;
FILE *f = fopen(p, "r");
if (f == NULL) {
die2(pkg, "not found");
}
if (getline(&buf, &bufn, f) == -1) die_perror("getline");
char *sp = strchr(buf, ' ');
if (sp) *sp = '-';
printf("%s %s", pkg, buf);
free(buf);
free(p);
fclose(f);
}
/* exclude .* from package listing */
static int
sel(const struct dirent *d) {
struct dirent *e = (struct dirent *)d;
return e->d_name[0] != '.';
}
int
list(int argc, char **argv, struct env *e) {
if (argc == 1) {
struct dirent **namelist;
int n = scandir(e->sys_db, &namelist, sel, alphasort);
if (n == -1)
die_perror("scandir");
for (int i = 0; i < n; i++) {
pkg_print(namelist[i]->d_name, e);
free(namelist[i]);
}
free(namelist);
return 0;
} else {
for (int i = 1; i < argc; i++) {
pkg_print(argv[i], e);
}
}
return 0;
}
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