Add csh(1)-style alternates to pkg_info -e.
Add dewey-decimal relational number matching for package version numbers.
This commit is contained in:
agc
parent
6baebf57c6
commit
8bdbb59a69
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@ -1,11 +1,11 @@
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/* $NetBSD: perform.c,v 1.8 1998/08/25 00:54:09 hubertf Exp $ */
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/* $NetBSD: perform.c,v 1.9 1998/08/27 12:54:03 agc Exp $ */
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#include <sys/cdefs.h>
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#ifndef lint
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#if 0
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static const char *rcsid = "from FreeBSD Id: perform.c,v 1.23 1997/10/13 15:03:53 jkh Exp";
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#else
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__RCSID("$NetBSD: perform.c,v 1.8 1998/08/25 00:54:09 hubertf Exp $");
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__RCSID("$NetBSD: perform.c,v 1.9 1998/08/27 12:54:03 agc Exp $");
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#endif
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#endif
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@ -32,232 +32,355 @@ __RCSID("$NetBSD: perform.c,v 1.8 1998/08/25 00:54:09 hubertf Exp $");
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#include "lib.h"
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#include "info.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <err.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include <fnmatch.h>
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#include <ctype.h>
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static int pkg_do(char *);
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int
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pkg_perform(char **pkgs)
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{
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int i, err_cnt = 0;
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char *tmp;
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signal(SIGINT, cleanup);
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tmp = getenv(PKG_DBDIR);
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if (!tmp)
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tmp = DEF_LOG_DIR;
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/* Overriding action? */
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if (CheckPkg) {
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if (!strpbrk(CheckPkg,"*?[]")) {
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/* No shell meta character given - simple check */
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char buf[FILENAME_MAX];
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int error;
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snprintf(buf, FILENAME_MAX, "%s/%s", tmp, CheckPkg);
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error=abs(access(buf, R_OK));
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if (!error && !Quiet)
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printf("%s\n",CheckPkg);
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return error;
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} else {
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/* Using glob-match */
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int found;
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DIR *d;
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struct dirent *dp;
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found=0;
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d=opendir(tmp);
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if (d == NULL) {
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warnx("can't opendir package dir '%s'", tmp);
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return !0;
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}
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while ((dp=readdir(d))){
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if (fnmatch(CheckPkg, dp->d_name, FNM_PERIOD)==0) {
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if (!Quiet)
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printf("%s\n",dp->d_name);
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found=1;
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}
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}
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closedir(d);
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return !found; /* negate logic for shell return code */
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}
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}
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else if (AllInstalled) {
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DIR *dirp;
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struct dirent *dp;
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if (!isdir(tmp))
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return 1;
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dirp = opendir(tmp);
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if (dirp) {
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for (dp = readdir(dirp); dp != NULL; dp = readdir(dirp))
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if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, ".."))
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err_cnt += pkg_do(dp->d_name);
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(void)closedir(dirp);
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}
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}
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else
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for (i = 0; pkgs[i]; i++)
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err_cnt += pkg_do(pkgs[i]);
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return err_cnt;
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}
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static char *Home;
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static char *Home;
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static int
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pkg_do(char *pkg)
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{
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Boolean installed = FALSE, isTMP = FALSE;
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char log_dir[FILENAME_MAX];
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char fname[FILENAME_MAX];
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Package plist;
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FILE *fp;
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struct stat sb;
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char *cp = NULL;
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int code = 0;
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Boolean installed = FALSE, isTMP = FALSE;
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char log_dir[FILENAME_MAX];
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char fname[FILENAME_MAX];
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Package plist;
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FILE *fp;
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struct stat sb;
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char *cp = NULL;
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int code = 0;
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if (isURL(pkg)) {
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if ((cp = fileGetURL(NULL, pkg)) != NULL) {
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strcpy(fname, cp);
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isTMP = TRUE;
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}
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}
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else if (fexists(pkg) && isfile(pkg)) {
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int len;
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if (isURL(pkg)) {
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if ((cp = fileGetURL(NULL, pkg)) != NULL) {
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strcpy(fname, cp);
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isTMP = TRUE;
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}
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} else if (fexists(pkg) && isfile(pkg)) {
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int len;
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if (*pkg != '/') {
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if (!getcwd(fname, FILENAME_MAX))
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upchuck("getcwd");
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len = strlen(fname);
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snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg);
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if (*pkg != '/') {
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if (!getcwd(fname, FILENAME_MAX))
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upchuck("getcwd");
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len = strlen(fname);
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snprintf(&fname[len], FILENAME_MAX - len, "/%s", pkg);
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} else
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strcpy(fname, pkg);
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cp = fname;
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} else {
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if ((cp = fileFindByPath(NULL, pkg)) != NULL)
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strncpy(fname, cp, FILENAME_MAX);
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}
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if (cp) {
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if (isURL(pkg)) {
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/* file is already unpacked by fileGetURL() */
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strcpy(PlayPen, cp);
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} else {
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/*
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* Apply a crude heuristic to see how much space the package will
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* take up once it's unpacked. I've noticed that most packages
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* compress an average of 75%, but we're only unpacking the + files so
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* be very optimistic.
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*/
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if (stat(fname, &sb) == FAIL) {
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warnx("can't stat package file '%s'", fname);
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code = 1;
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goto bail;
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}
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Home = make_playpen(PlayPen, sb.st_size / 2);
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if (unpack(fname, "+*")) {
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warnx("error during unpacking, no info for '%s' available", pkg);
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code = 1;
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goto bail;
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}
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}
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}
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else
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strcpy(fname, pkg);
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cp = fname;
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}
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else {
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if ((cp = fileFindByPath(NULL, pkg)) != NULL)
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strncpy(fname, cp, FILENAME_MAX);
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}
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if (cp) {
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if (isURL(pkg)) {
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/* file is already unpacked by fileGetURL() */
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strcpy(PlayPen,cp);
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}
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else {
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/*
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* Apply a crude heuristic to see how much space the package will
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* take up once it's unpacked. I've noticed that most packages
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* compress an average of 75%, but we're only unpacking the + files so
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* be very optimistic.
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* It's not an ininstalled package, try and find it among the
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* installed
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*/
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if (stat(fname, &sb) == FAIL) {
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warnx("can't stat package file '%s'", fname);
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code = 1;
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goto bail;
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}
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Home = make_playpen(PlayPen, sb.st_size / 2);
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if (unpack(fname, "+*")) {
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warnx("error during unpacking, no info for '%s' available", pkg);
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code = 1;
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goto bail;
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}
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}
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}
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/* It's not an ininstalled package, try and find it among the installed */
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else {
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char *tmp;
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else {
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char *tmp;
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sprintf(log_dir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
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pkg);
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if (!fexists(log_dir)) {
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warnx("can't find package `%s' installed or in a file!", pkg);
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return 1;
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sprintf(log_dir, "%s/%s", (tmp = getenv(PKG_DBDIR)) ? tmp : DEF_LOG_DIR,
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pkg);
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if (!fexists(log_dir)) {
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warnx("can't find package `%s' installed or in a file!", pkg);
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return 1;
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}
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if (chdir(log_dir) == FAIL) {
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warnx("can't change directory to '%s'!", log_dir);
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return 1;
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}
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installed = TRUE;
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}
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if (chdir(log_dir) == FAIL) {
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warnx("can't change directory to '%s'!", log_dir);
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return 1;
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/* Suck in the contents list */
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plist.head = plist.tail = NULL;
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fp = fopen(CONTENTS_FNAME, "r");
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if (!fp) {
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warnx("unable to open %s file", CONTENTS_FNAME);
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code = 1;
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goto bail;
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}
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installed = TRUE;
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}
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/* If we have a prefix, add it now */
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read_plist(&plist, fp);
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fclose(fp);
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/* Suck in the contents list */
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plist.head = plist.tail = NULL;
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fp = fopen(CONTENTS_FNAME, "r");
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if (!fp) {
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warnx("unable to open %s file", CONTENTS_FNAME);
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code = 1;
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goto bail;
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}
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/* If we have a prefix, add it now */
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read_plist(&plist, fp);
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fclose(fp);
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/*
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* Index is special info type that has to override all others to make
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* any sense.
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*/
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if (Flags & SHOW_INDEX) {
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char tmp[FILENAME_MAX];
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/*
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* Index is special info type that has to override all others to make
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* any sense.
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*/
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if (Flags & SHOW_INDEX) {
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char tmp[FILENAME_MAX];
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snprintf(tmp, FILENAME_MAX, "%-19s ", pkg);
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show_index(tmp, COMMENT_FNAME);
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} else {
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/* Start showing the package contents */
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if (!Quiet)
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printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
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if (Flags & SHOW_COMMENT)
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show_file("Comment:\n", COMMENT_FNAME);
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if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME))
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show_file("Required by:\n", REQUIRED_BY_FNAME);
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if (Flags & SHOW_DESC)
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show_file("Description:\n", DESC_FNAME);
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if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME))
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show_file("Install notice:\n", DISPLAY_FNAME);
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if (Flags & SHOW_PLIST)
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show_plist("Packing list:\n", &plist, (plist_t) - 1);
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if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME))
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show_file("Install script:\n", INSTALL_FNAME);
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if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME))
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show_file("De-Install script:\n", DEINSTALL_FNAME);
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if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME))
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show_file("mtree file:\n", MTREE_FNAME);
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if (Flags & SHOW_PREFIX)
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show_plist("Prefix(s):\n", &plist, PLIST_CWD);
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if (Flags & SHOW_FILES)
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show_files("Files:\n", &plist);
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if (!Quiet)
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puts(InfoPrefix);
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}
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free_plist(&plist);
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bail:
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leave_playpen(Home);
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if (isTMP)
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unlink(fname);
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return code;
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}
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snprintf(tmp, FILENAME_MAX, "%-19s ", pkg);
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show_index(tmp, COMMENT_FNAME);
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}
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else {
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/* Start showing the package contents */
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if (!Quiet)
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printf("%sInformation for %s:\n\n", InfoPrefix, pkg);
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if (Flags & SHOW_COMMENT)
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show_file("Comment:\n", COMMENT_FNAME);
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if ((Flags & SHOW_REQBY) && !isemptyfile(REQUIRED_BY_FNAME))
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show_file("Required by:\n", REQUIRED_BY_FNAME);
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if (Flags & SHOW_DESC)
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show_file("Description:\n", DESC_FNAME);
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if ((Flags & SHOW_DISPLAY) && fexists(DISPLAY_FNAME))
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show_file("Install notice:\n", DISPLAY_FNAME);
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if (Flags & SHOW_PLIST)
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show_plist("Packing list:\n", &plist, (plist_t)-1);
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if ((Flags & SHOW_INSTALL) && fexists(INSTALL_FNAME))
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show_file("Install script:\n", INSTALL_FNAME);
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if ((Flags & SHOW_DEINSTALL) && fexists(DEINSTALL_FNAME))
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show_file("De-Install script:\n", DEINSTALL_FNAME);
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if ((Flags & SHOW_MTREE) && fexists(MTREE_FNAME))
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show_file("mtree file:\n", MTREE_FNAME);
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if (Flags & SHOW_PREFIX)
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show_plist("Prefix(s):\n", &plist, PLIST_CWD);
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if (Flags & SHOW_FILES)
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show_files("Files:\n", &plist);
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if (!Quiet)
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puts(InfoPrefix);
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}
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free_plist(&plist);
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bail:
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leave_playpen(Home);
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if (isTMP)
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unlink(fname);
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return code;
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/* use fnmatch to do a glob-style match */
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/* returns 0 if found, 1 if not (1) */
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static int
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globmatch(char *pkgspec, char *dbdir, int quiet)
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{
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/* Using glob-match */
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struct dirent *dp;
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int found;
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DIR *dirp;
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found = 0;
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if ((dirp = opendir(dbdir)) == (DIR *) NULL) {
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warnx("can't opendir package dir '%s'", dbdir);
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return !0;
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}
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while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
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if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0) {
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continue;
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}
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if (fnmatch(pkgspec, dp->d_name, FNM_PERIOD) == 0) {
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if (!quiet)
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printf("%s\n", dp->d_name);
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found = 1;
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}
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}
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closedir(dirp);
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return !found;
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}
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enum {
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GT,
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GE,
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LT,
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LE
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};
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/* compare two dewey decimal numbers */
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static int
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deweycmp(char *a, int op, char *b)
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{
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int ad;
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int bd;
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int cmp;
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for (;;) {
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if (*a == 0 && *b == 0) {
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cmp = 0;
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break;
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}
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ad = bd = 0;
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for ( ; *a && *a != '.' ; a++) {
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ad = (ad * 10) + (*a - '0');
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}
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for ( ; *b && *b != '.' ; b++) {
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bd = (bd * 10) + (*b - '0');
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}
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if ((cmp = ad - bd) != 0) {
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break;
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}
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if (*a == '.') {
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a++;
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}
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if (*b == '.') {
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b++;
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}
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}
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return (op == GE) ? cmp >= 0 : (op == GT) ? cmp > 0 : (op == LE) ? cmp <= 0 : cmp < 0;
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}
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/* match on a relation against dewey decimal numbers */
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/* returns 0 if found, 1 if not (!) */
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static int
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deweymatch(char *name, int op, char *ver, char *dbdir, int quiet)
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{
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struct dirent *dp;
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char *cp;
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DIR *dirp;
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int ret;
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int n;
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n = strlen(name);
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ret = 1;
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if ((dirp = opendir(dbdir)) == (DIR *) NULL) {
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warnx("can't opendir package dir '%s'", dbdir);
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return 1;
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}
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while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
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if (strcmp(dp->d_name, ".") == 0 || strcmp(dp->d_name, "..") == 0) {
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continue;
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}
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if ((cp = strrchr(dp->d_name, '-')) != (char *) NULL) {
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if (strncmp(dp->d_name, name, cp - dp->d_name) == 0 && n == cp - dp->d_name) {
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if (deweycmp(cp + 1, op, ver)) {
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if (!quiet)
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printf("%s\n", dp->d_name);
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ret = 0;
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}
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}
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}
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}
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closedir(dirp);
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return ret;
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}
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/* do a match on a package pattern in dbdir */
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/* returns 0 if found, 1 if not (!) */
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static int
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matchname(char *pkgspec, char *dbdir, int quiet)
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{
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struct stat st;
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char buf[FILENAME_MAX];
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char *sep;
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char *last;
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char *alt;
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char *cp;
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int error;
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int cnt;
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int ret;
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if ((sep = strchr(pkgspec, '{')) != (char *) NULL) {
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/* emulate csh-type alternates */
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(void) strncpy(buf, pkgspec, sep - pkgspec);
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alt = &buf[sep - pkgspec];
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for (last = NULL, cnt = 0, cp = sep ; *cp && !last ; cp++) {
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if (*cp == '{') {
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cnt++;
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} else if (*cp == '}' && --cnt == 0 && last == NULL) {
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last = cp + 1;
|
||||
}
|
||||
}
|
||||
if (cnt != 0) {
|
||||
warnx("Malformed alternate `%s'", pkgspec);
|
||||
return 1;
|
||||
}
|
||||
for (ret = 1, cp = sep + 1 ; *sep != '}' ; cp = sep + 1) {
|
||||
for (cnt = 0, sep = cp ; cnt > 0 || (cnt == 0 && *sep != '}' && *sep != ',') ; sep++) {
|
||||
if (*sep == '{') {
|
||||
cnt++;
|
||||
} else if (*sep == '}') {
|
||||
cnt--;
|
||||
}
|
||||
}
|
||||
(void) snprintf(alt, sizeof(buf) - (alt - buf), "%.*s%s", sep - cp, cp, last);
|
||||
if (matchname(buf, dbdir, quiet) == 0) {
|
||||
ret = 0;
|
||||
}
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
if ((sep = strpbrk(pkgspec, "<>")) != (char *) NULL) {
|
||||
/* perform relational dewey match on version number */
|
||||
(void) snprintf(buf, sizeof(buf), "%.*s", sep - pkgspec, pkgspec);
|
||||
cnt = (*sep == '>') ? (*(sep + 1) == '=') ? GE : GT : (*(sep + 1) == '=') ? LE : LT;
|
||||
cp = (cnt == GE || cnt == LE) ? sep + 2 : sep + 1;
|
||||
return deweymatch(buf, cnt, cp, dbdir, quiet);
|
||||
}
|
||||
if (strpbrk(pkgspec, "*?[]") != (char *) NULL) {
|
||||
return globmatch(pkgspec, dbdir, quiet);
|
||||
}
|
||||
/* No shell meta character given - simple check */
|
||||
(void) snprintf(buf, sizeof(buf), "%s/%s", dbdir, pkgspec);
|
||||
error = (lstat(buf, &st) < 0);
|
||||
if (!error && !quiet)
|
||||
printf("%s\n", pkgspec);
|
||||
return error;
|
||||
}
|
||||
|
||||
void
|
||||
cleanup(int sig)
|
||||
{
|
||||
static int alreadyCleaning;
|
||||
void (*oldint)(int);
|
||||
oldint = signal(SIGINT, SIG_IGN);
|
||||
|
||||
if (!alreadyCleaning) {
|
||||
alreadyCleaning = 1;
|
||||
if (sig)
|
||||
printf("Signal %d received, cleaning up.\n", sig);
|
||||
leave_playpen(Home);
|
||||
if (sig)
|
||||
exit(1);
|
||||
}
|
||||
signal(SIGINT, oldint);
|
||||
exit(1);
|
||||
}
|
||||
|
||||
int
|
||||
pkg_perform(char **pkgs)
|
||||
{
|
||||
int i, err_cnt = 0;
|
||||
char *tmp;
|
||||
|
||||
signal(SIGINT, cleanup);
|
||||
|
||||
tmp = getenv(PKG_DBDIR);
|
||||
if (!tmp)
|
||||
tmp = DEF_LOG_DIR;
|
||||
/* Overriding action? */
|
||||
if (CheckPkg) {
|
||||
return matchname(CheckPkg, tmp, Quiet);
|
||||
} else if (AllInstalled) {
|
||||
struct dirent *dp;
|
||||
DIR *dirp;
|
||||
|
||||
if (!isdir(tmp))
|
||||
return 1;
|
||||
if ((dirp = opendir(tmp)) != (DIR *) NULL) {
|
||||
while ((dp = readdir(dirp)) != (struct dirent *) NULL) {
|
||||
if (strcmp(dp->d_name, ".") && strcmp(dp->d_name, "..")) {
|
||||
err_cnt += pkg_do(dp->d_name);
|
||||
}
|
||||
}
|
||||
(void) closedir(dirp);
|
||||
}
|
||||
} else {
|
||||
for (i = 0; pkgs[i]; i++) {
|
||||
err_cnt += pkg_do(pkgs[i]);
|
||||
}
|
||||
}
|
||||
return err_cnt;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,4 +1,4 @@
|
|||
.\" $NetBSD: pkg_info.1,v 1.8 1998/08/23 10:16:19 tron Exp $
|
||||
.\" $NetBSD: pkg_info.1,v 1.9 1998/08/27 12:54:03 agc Exp $
|
||||
.\"
|
||||
.\" FreeBSD install - a package for the installation and maintainance
|
||||
.\" of non-core utilities.
|
||||
|
|
@ -63,11 +63,25 @@ shell metacharacter, it will be matched against all installed
|
|||
packages using
|
||||
.Xr fnmatch 3 ,
|
||||
and any packages found installed are printed to stdout, one name per
|
||||
line. This printing can be turned off using the
|
||||
line.
|
||||
.Xr csh 1
|
||||
style {,} alternates have also been implemented.
|
||||
Dewey decimal numbers can also be matched in a relational manner,
|
||||
using the
|
||||
.Pa >=, <=, >
|
||||
and
|
||||
.Pa <
|
||||
operators.
|
||||
For example,
|
||||
.Pa pkg_info -e 'name>=1.3'
|
||||
will match versions 1.3 and later of the
|
||||
.Pa name
|
||||
package.
|
||||
This printing can be turned off using the
|
||||
.Fl q
|
||||
option.
|
||||
This option
|
||||
allows you to easily test for the presence of another (perhaps
|
||||
allows you to test for the presence of another (perhaps
|
||||
prerequisite) package from a script.
|
||||
.It Fl f
|
||||
Show the packing list instructions for each package.
|
||||
|
|
|
|||
Loading…
Reference in New Issue