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NetBSD/usr.sbin/pkg_install/delete/perform.c

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/* $NetBSD: perform.c,v 1.57 2005/11/05 13:11:02 wiz Exp $ */
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
#ifndef lint
#if 0
static const char *rcsid = "from FreeBSD Id: perform.c,v 1.15 1997/10/13 15:03:52 jkh Exp";
#else
__RCSID("$NetBSD: perform.c,v 1.57 2005/11/05 13:11:02 wiz Exp $");
#endif
#endif
/*
* FreeBSD install - a package for the installation and maintainance
* of non-core utilities.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Jordan K. Hubbard
* 18 July 1993
*
* This is the main body of the delete module.
*
*/
/*
* Copyright (c) 1999 Christian E. Hopps
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Added the require find and require delete code
*/
#if HAVE_ERR_H
#include <err.h>
#endif
#if HAVE_FCNTL_H
#include <fcntl.h>
#endif
#include "lib.h"
#include "delete.h"
/* In which direction to search in require_find() */
typedef enum {
FIND_UP, FIND_DOWN
} rec_find_t;
static int require_find_recursive_up(lpkg_t *);
static int require_find_recursive_down(lpkg_t *, package_t *);
static int require_find(char *, rec_find_t);
static int require_delete(char *, int);
static void require_print(void);
static int undepend(const char *, void *);
static char LogDir[MaxPathSize];
static char linebuf[MaxPathSize];
static char pkgdir[MaxPathSize];
static package_t Plist;
static lpkg_head_t lpfindq;
static lpkg_head_t lpdelq;
static void
sanity_check(char *pkg)
{
if (!fexists(CONTENTS_FNAME)) {
cleanup(0);
errx(2, "installed package %s has no %s file!",
pkg, CONTENTS_FNAME);
}
}
void
cleanup(int sig)
{
/* Nothing to do */
if (sig) /* in case this is ever used as a signal handler */
exit(1);
}
/*
* deppkgname is the pkg from which's +REQUIRED_BY file we are
* about to remove pkg2delname. This function is called from
* findmatchingname(), deppkgname is expanded from a (possible) pattern.
*/
static int
undepend(const char *deppkgname, void *vp)
{
char *pkg2delname = vp;
char fname[MaxPathSize], ftmp[MaxPathSize];
char fbuf[MaxPathSize];
FILE *fp, *fpwr;
int s;
(void) snprintf(fname, sizeof(fname), "%s/%s/%s",
_pkgdb_getPKGDB_DIR(), deppkgname, REQUIRED_BY_FNAME);
fp = fopen(fname, "r");
if (fp == NULL) {
warnx("couldn't open dependency file `%s'", fname);
return 0;
}
(void) snprintf(ftmp, sizeof(ftmp), "%s.XXXXXX", fname);
s = mkstemp(ftmp);
if (s == -1) {
fclose(fp);
warnx("couldn't open temp file `%s'", ftmp);
return 0;
}
fpwr = fdopen(s, "w");
if (fpwr == NULL) {
close(s);
fclose(fp);
warnx("couldn't fdopen temp file `%s'", ftmp);
remove(ftmp);
return 0;
}
while (fgets(fbuf, sizeof(fbuf), fp) != NULL) {
if (fbuf[strlen(fbuf) - 1] == '\n')
fbuf[strlen(fbuf) - 1] = '\0';
if (strcmp(fbuf, pkg2delname)) /* no match */
fputs(fbuf, fpwr), putc('\n', fpwr);
}
(void) fclose(fp);
if (fchmod(s, 0644) == FAIL) {
warnx("error changing permission of temp file `%s'", ftmp);
fclose(fpwr);
remove(ftmp);
return 0;
}
if (fclose(fpwr) == EOF) {
warnx("error closing temp file `%s'", ftmp);
remove(ftmp);
return 0;
}
if (rename(ftmp, fname) == -1)
warn("error renaming `%s' to `%s'", ftmp, fname);
remove(ftmp); /* just in case */
return 0;
}
/*
* Remove the current view's package dbdir from the +VIEWS file of the
* depoted package named by pkgname.
*/
static int
unview(const char *pkgname)
{
char fname[MaxPathSize], ftmp[MaxPathSize];
char fbuf[MaxPathSize];
char dbdir[MaxPathSize];
FILE *fp, *fpwr;
int s;
int cc;
(void) snprintf(dbdir, sizeof(dbdir), "%s", _pkgdb_getPKGDB_DIR());
/* Get the depot directory. */
(void) snprintf(fname, sizeof(fname), "%s/%s/%s",
dbdir, pkgname, DEPOT_FNAME);
if ((fp = fopen(fname, "r")) == NULL) {
warnx("unable to open `%s' file", fname);
return -1;
}
if (fgets(fbuf, sizeof(fbuf), fp) == NULL) {
(void) fclose(fp);
warnx("empty depot file `%s'", fname);
return -1;
}
if (fbuf[cc = strlen(fbuf) - 1] == '\n') {
fbuf[cc] = 0;
}
fclose(fp);
/*
* Copy the contents of the +VIEWS file into a temp file, but
* skip copying the name of the current view's package dbdir.
*/
(void) snprintf(fname, sizeof(fname), "%s/%s", fbuf, VIEWS_FNAME);
if ((fp = fopen(fname, "r")) == NULL) {
warnx("unable to open `%s' file", fname);
return -1;
}
(void) snprintf(ftmp, sizeof(ftmp), "%s.XXXXXX", fname);
if ((s = mkstemp(ftmp)) == -1) {
(void) fclose(fp);
warnx("unable to open `%s' temp file", ftmp);
return -1;
}
if ((fpwr = fdopen(s, "w")) == NULL) {
(void) close(s);
(void) remove(ftmp);
(void) fclose(fp);
warnx("unable to fdopen `%s' temp file", ftmp);
return -1;
}
while (fgets(fbuf, sizeof(fbuf), fp) != NULL) {
if (fbuf[cc = strlen(fbuf) - 1] == '\n') {
fbuf[cc] = 0;
}
if (strcmp(fbuf, dbdir) != 0) {
(void) fputs(fbuf, fpwr);
(void) putc('\n', fpwr);
}
}
(void) fclose(fp);
if (fchmod(s, 0644) == FAIL) {
(void) fclose(fpwr);
(void) remove(ftmp);
warnx("unable to change permissions of `%s' temp file", ftmp);
return -1;
}
if (fclose(fpwr) == EOF) {
(void) remove(ftmp);
warnx("unable to close `%s' temp file", ftmp);
return -1;
}
/* Rename the temp file to the +VIEWS file */
if (rename(ftmp, fname) == -1) {
(void) remove(ftmp);
warnx("unable to rename `%s' to `%s'", ftmp, fname);
return -1;
}
return 0;
}
/*
* Delete from directory 'home' all packages on lpkg_list.
* If tryall is set, ignore errors from pkg_delete(1).
*/
int
require_delete(char *home, int tryall)
{
lpkg_t *lpp;
int rv, fail;
int oldcwd;
/* save cwd */
oldcwd = open(".", O_RDONLY, 0);
if (oldcwd == -1)
err(EXIT_FAILURE, "cannot open \".\"");
(void) snprintf(pkgdir, sizeof(pkgdir), "%s", _pkgdb_getPKGDB_DIR());
/* walk list of things to delete */
fail = 0;
lpp = TAILQ_FIRST(&lpdelq);
for (; lpp; lpp = TAILQ_NEXT(lpp, lp_link)) {
int rm_installed; /* delete expanded pkg, not @pkgdep value */
char installed[MaxPathSize];
/* go to the db dir */
if (chdir(pkgdir) == FAIL) {
warnx("unable to change directory to %s, deinstall failed (1)",
pkgdir);
fail = 1;
break;
}
/* look to see if package was already deleted */
rm_installed = 0;
if (ispkgpattern(lpp->lp_name)) {
if (findmatchingname(".", lpp->lp_name, note_whats_installed, installed) != 1) {
warnx("%s appears to have been deleted", lpp->lp_name);
continue;
}
rm_installed = 1;
} else {
if (!fexists(lpp->lp_name)) {
warnx("%s appears to have been deleted", lpp->lp_name);
continue;
}
}
/* return home for execution of command */
if (chdir(home) == FAIL) {
warnx("unable to change directory to %s, deinstall failed (2)", home);
fail = 1;
break;
}
if (Verbose)
printf("deinstalling %s\n", rm_installed?installed:lpp->lp_name);
/* delete the package */
if (Fake)
rv = 0;
else
rv = fexec_skipempty(ProgramPath, "-K",
_pkgdb_getPKGDB_DIR(),
Prefix ? "-p" : "", Prefix ? Prefix : "",
Verbose ? "-v" : "",
(Force > 1) ? "-f -f" : (Force == 1) ? "-f" : "",
NoDeInstall ? "-D" : "",
NoDeleteFiles ? "-N" : "",
CleanDirs ? "-d" : "",
Fake ? "-n" : "",
rm_installed ? installed : lpp->lp_name, NULL);
/* check for delete failure */
if (rv && !tryall) {
fail = 1;
warnx("had problem removing %s%s", rm_installed?installed:lpp->lp_name,
Force ? ", continuing" : "");
if (!Force)
break;
}
}
/* cleanup list */
while ((lpp = TAILQ_FIRST(&lpdelq))) {
TAILQ_REMOVE(&lpdelq, lpp, lp_link);
free_lpkg(lpp);
}
/* return to the log dir */
if (fchdir(oldcwd) == FAIL) {
warnx("unable to change to previous directory, deinstall failed");
fail = 1;
}
close(oldcwd);
return (fail);
}
/*
* Recursively find all packages "up" the tree (follow +REQUIRED_BY).
* Return 1 on errors
*/
int
require_find_recursive_up(lpkg_t *thislpp)
{
lpkg_head_t reqq;
lpkg_t *lpp = NULL;
FILE *cfile;
char *nl;
/* see if we are on the find queue -- circular dependency */
if ((lpp = find_on_queue(&lpfindq, thislpp->lp_name))) {
warnx("circular dependency found for pkg %s", lpp->lp_name);
return (1);
}
TAILQ_INIT(&reqq);
(void) snprintf(pkgdir, sizeof(pkgdir), "%s/%s",
_pkgdb_getPKGDB_DIR(), thislpp->lp_name);
/* change to package's dir */
if (chdir(pkgdir) == FAIL) {
warnx("unable to change directory to %s! deinstall failed", pkgdir);
return (1);
}
/* terminate recursion if no required by's */
if (isemptyfile(REQUIRED_BY_FNAME))
return (0);
/* get packages that directly require us */
cfile = fopen(REQUIRED_BY_FNAME, "r");
if (!cfile) {
warnx("cannot open requirements file `%s'", REQUIRED_BY_FNAME);
return (1);
}
while (fgets(linebuf, sizeof(linebuf), cfile)) {
if ((nl = strrchr(linebuf, '\n')))
*nl = 0;
lpp = alloc_lpkg(linebuf);
TAILQ_INSERT_TAIL(&reqq, lpp, lp_link);
}
fclose(cfile);
/* put ourselves on the top of the find queue */
TAILQ_INSERT_HEAD(&lpfindq, thislpp, lp_link);
while ((lpp = TAILQ_FIRST(&reqq))) {
/* remove a direct req from our queue */
TAILQ_REMOVE(&reqq, lpp, lp_link);
/* find direct required requires */
if (require_find_recursive_up(lpp))
goto fail;
/* all requires taken care of, add to tail of delete queue
* if not already there */
if (find_on_queue(&lpdelq, lpp->lp_name))
free_lpkg(lpp);
else
TAILQ_INSERT_TAIL(&lpdelq, lpp, lp_link);
}
/* take ourselves off the find queue */
TAILQ_REMOVE(&lpfindq, thislpp, lp_link);
return (0);
fail:
while ((lpp = TAILQ_FIRST(&reqq))) {
TAILQ_REMOVE(&reqq, lpp, lp_link);
free_lpkg(lpp);
}
return (1);
}
/*
* Recursively find all packages "down" the tree (follow @pkgdep).
* Return 1 on errors
*/
int
require_find_recursive_down(lpkg_t *thislpp, package_t *plist)
{
plist_t *p;
lpkg_t *lpp, *lpp2;
lpkg_head_t reqq;
int rc, fail = 0;
/* see if we are on the find queue -- circular dependency */
if ((lpp = find_on_queue(&lpfindq, thislpp->lp_name))) {
warnx("circular dependency found for pkg %s", lpp->lp_name);
return (1);
}
TAILQ_INIT(&reqq);
/* width-first scan */
/* first enqueue all @pkgdep's to lpdelq, then (further below)
* go in recursively */
for (p = plist->head; p; p = p->next) {
switch (p->type) {
case PLIST_PKGDEP:
lpp = alloc_lpkg(p->name);
TAILQ_INSERT_TAIL(&reqq, lpp, lp_link);
lpp2 = find_on_queue(&lpdelq, p->name);
if (lpp2) {
TAILQ_REMOVE(&lpdelq, lpp2, lp_link);
free_lpkg(lpp2);
}
lpp = alloc_lpkg(p->name);
TAILQ_INSERT_TAIL(&lpdelq, lpp, lp_link);
break;
default:
break;
}
}
while ((lpp = TAILQ_FIRST(&reqq))) {
FILE *cfile;
package_t rPlist;
/* remove a direct req from our queue */
TAILQ_REMOVE(&reqq, lpp, lp_link);
/* Reset some state */
rPlist.head = NULL;
rPlist.tail = NULL;
/* prepare for recursion */
chdir(_pkgdb_getPKGDB_DIR());
if (ispkgpattern(lpp->lp_name)) {
char installed[MaxPathSize];
if (findmatchingname(".", lpp->lp_name, note_whats_installed, installed) != 1) {
warnx("cannot remove dependency for pkg-pattern %s", lpp->lp_name);
fail = 1;
goto fail;
}
if (chdir(installed) == -1) {
warnx("can't chdir to %s", installed);
fail = 1;
goto fail;
}
sanity_check(installed);
} else {
if (chdir(lpp->lp_name) == -1) {
warnx("cannot remove dependency from %s", lpp->lp_name);
fail = 1;
goto fail;
}
sanity_check(lpp->lp_name);
}
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
warn("unable to open '%s' file", CONTENTS_FNAME);
fail = 1;
goto fail;
}
/* If we have a prefix, add it now */
if (Prefix)
add_plist(&rPlist, PLIST_CWD, Prefix);
read_plist(&rPlist, cfile);
fclose(cfile);
p = find_plist(&rPlist, PLIST_CWD);
if (!p) {
warnx("package '%s' doesn't have a prefix", lpp->lp_name);
free_plist(&rPlist);
fail = 1;
goto fail;
}
/* put ourselves on the top of the find queue */
TAILQ_INSERT_HEAD(&lpfindq, thislpp, lp_link);
rc = require_find_recursive_down(lpp, &rPlist);
free_plist(&rPlist);
if (rc) {
fail = 1;
goto fail;
}
/* take ourselves off the find queue */
TAILQ_REMOVE(&lpfindq, thislpp, lp_link);
free_lpkg(lpp);
}
fail:
/* Clean out reqq */
while ((lpp = TAILQ_FIRST(&reqq))) {
TAILQ_REMOVE(&reqq, lpp, lp_link);
free_lpkg(lpp);
}
return fail;
}
/*
* Start recursion in the one or other direction.
*/
int
require_find(char *pkg, rec_find_t updown)
{
lpkg_t *lpp;
int rv = 0;
TAILQ_INIT(&lpfindq);
TAILQ_INIT(&lpdelq);
lpp = alloc_lpkg(pkg);
switch (updown) {
case FIND_UP:
rv = require_find_recursive_up(lpp);
break;
case FIND_DOWN:
rv = require_find_recursive_down(lpp, &Plist);
break;
}
free_lpkg(lpp);
return (rv);
}
void
require_print(void)
{
lpkg_t *lpp;
/* print all but last -- deleting if requested */
while ((lpp = TAILQ_FIRST(&lpdelq))) {
TAILQ_REMOVE(&lpdelq, lpp, lp_link);
fprintf(stderr, "\t%s\n", lpp->lp_name);
free_lpkg(lpp);
}
}
/*
* This is seriously ugly code following. Written very fast!
*/
static int
pkg_do(char *pkg)
{
plist_t *p;
FILE *cfile;
FILE *fp;
char home[MaxPathSize];
char view[MaxPathSize];
int cc;
Boolean is_depoted_pkg = FALSE;
/* Reset some state */
if (Plist.head)
free_plist(&Plist);
(void) snprintf(LogDir, sizeof(LogDir), "%s/%s",
_pkgdb_getPKGDB_DIR(), pkg);
if (!fexists(LogDir) || !(isdir(LogDir) || islinktodir(LogDir))) {
/* Check if the given package name matches something
* with 'pkg-[0-9]*' */
char try[MaxPathSize];
lpkg_head_t trypkgs;
lpkg_t *lpp;
int qlen = 0;
TAILQ_INIT(&trypkgs);
snprintf(try, MaxPathSize, "%s-[0-9]*", pkg);
if (findmatchingname(_pkgdb_getPKGDB_DIR(), try,
add_to_list_fn, &trypkgs) == 0) {
warnx("package '%s' not installed", pkg);
return 1;
}
TAILQ_FOREACH(lpp, &trypkgs, lp_link)
qlen++;
if (qlen > 1) {
warnx("'%s' matches more than one package:", pkg);
while ((lpp = TAILQ_FIRST(&trypkgs))) {
TAILQ_REMOVE(&trypkgs, lpp, lp_link);
fprintf(stderr, "\t%s\n", lpp->lp_name);
free_lpkg(lpp);
}
return 1;
}
/*
* Append the package names we've discovered to the
* pkgs list after this one, and return 0 so that we
* continue processing the pkgs list.
*/
TAILQ_FOREACH(lpp, &trypkgs, lp_link)
TAILQ_INSERT_TAIL(&pkgs, lpp, lp_link);
return 0;
}
setenv(PKG_REFCOUNT_DBDIR_VNAME, pkgdb_refcount_dir(), 1);
if (!getcwd(home, MaxPathSize)) {
cleanup(0);
errx(2, "unable to get current working directory!");
}
if (chdir(LogDir) == FAIL) {
warnx("unable to change directory to %s! deinstall failed", LogDir);
return 1;
}
if (!fexists(CONTENTS_FNAME)) {
warnx("package '%s' is not installed, %s missing", pkg, CONTENTS_FNAME);
if (!Force)
return 1;
}
if (fexists(PRESERVE_FNAME)) {
printf("Package `%s' is marked as not for deletion\n", pkg);
if (Force <= (NoDeleteFiles ? 0 : 1)) {
return 1;
}
printf("Deleting anyway\n");
}
if (!isemptyfile(REQUIRED_BY_FNAME)) {
/* This package is required by others. Either nuke
* them (-r), or stop. */
if (!Recurse_up)
warnx("package `%s' is required by other packages:", pkg);
else if (Verbose)
printf("Building list of packages that require `%s'"
" to deinstall\n", pkg);
if (require_find(pkg, FIND_UP)) {
if (!Force || Recurse_up)
return (1);
}
chdir(LogDir); /* CWD was changed by require_find() */
if (!Recurse_up) {
require_print();
if (!Force)
return 1;
} else
require_delete(home, 0);
}
if (!isemptyfile(VIEWS_FNAME)) {
/* This package has instances in other views */
/* Delete them from the views */
if ((fp = fopen(VIEWS_FNAME, "r")) == NULL) {
warnx("unable to open '%s' file", VIEWS_FNAME);
return 1;
}
while (fgets(view, sizeof(view), fp) != NULL) {
if (view[cc = strlen(view) - 1] == '\n') {
view[cc] = 0;
}
if (Verbose) {
printf("Deleting package %s instance from `%s' view\n", pkg, view);
}
if (fexec_skipempty(ProgramPath, "-K", view,
(Force > 1) ? "-f -f " : (Force == 1) ? "-f " : "",
pkg, NULL) != 0) {
warnx("unable to delete package %s from view %s", pkg, view);
(void) fclose(fp);
return 1;
}
}
(void) fclose(fp);
}
sanity_check(LogDir);
cfile = fopen(CONTENTS_FNAME, "r");
if (!cfile) {
warnx("unable to open '%s' file", CONTENTS_FNAME);
return 1;
}
/* If we have a prefix, add it now */
if (Prefix)
add_plist(&Plist, PLIST_CWD, Prefix);
read_plist(&Plist, cfile);
fclose(cfile);
p = find_plist(&Plist, PLIST_CWD);
if (!p) {
warnx("package '%s' doesn't have a prefix", pkg);
return 1;
}
setenv(PKG_PREFIX_VNAME, p->name, 1);
setenv(PKG_METADATA_DIR_VNAME, LogDir, 1);
if (fexists(REQUIRE_FNAME)) {
if (Verbose)
printf("Executing 'require' script.\n");
(void) fexec(CHMOD_CMD, "+x", REQUIRE_FNAME, NULL); /* be sure */
if (fexec("./" REQUIRE_FNAME, pkg, "DEINSTALL", NULL)) {
warnx("package %s fails requirements %s", pkg,
Force ? "" : "- not deleted");
if (!Force)
return 1;
}
}
/*
* Ensure that we don't do VIEW-DEINSTALL action for old packages
* or for the package in its depot directory.
*/
if (!NoDeInstall && fexists(DEINSTALL_FNAME) && fexists(DEPOT_FNAME)) {
if (Fake) {
printf("Would execute view de-install script at this point (arg: VIEW-DEINSTALL).\n");
} else {
(void) fexec(CHMOD_CMD, "+x", DEINSTALL_FNAME, NULL); /* make sure */
if (fexec("./" DEINSTALL_FNAME, pkg, "VIEW-DEINSTALL", NULL)) {
warnx("view deinstall script returned error status");
if (!Force) {
return 1;
}
}
}
}
if (!NoDeInstall && fexists(DEINSTALL_FNAME) && !fexists(DEPOT_FNAME)) {
if (Fake)
printf("Would execute de-install script at this point (arg: DEINSTALL).\n");
else {
(void) fexec(CHMOD_CMD, "+x", DEINSTALL_FNAME, NULL); /* make sure */
if (fexec("./" DEINSTALL_FNAME, pkg, "DEINSTALL", NULL)) {
warnx("deinstall script returned error status");
if (!Force)
return 1;
}
}
}
if (!Fake) {
/* Some packages aren't packed right, so we need to just ignore delete_package()'s status. Ugh! :-( */
if (delete_package(FALSE, CleanDirs, &Plist, NoDeleteFiles) == FAIL)
warnx(
"couldn't entirely delete package `%s'\n"
"(perhaps the packing list is incorrectly specified?)", pkg);
}
else { /* Fake means Verbose */
printf("Attempting to delete package `%s'\n", pkg);
}
if (!isemptyfile(DEPOT_FNAME)) {
if (Verbose)
printf("Attempting to remove the %s registration on package `%s'\n", VIEWS_FNAME, pkg);
if (!Fake)
(void) unview(pkg);
}
/*
* If this isn't a package in a view, then remove this package
* from the +REQUIRED_BY list of the packages this depends on.
*/
if (!fexists(DEPOT_FNAME)) {
for (p = Plist.head; p; p = p->next) {
if (p->type != PLIST_PKGDEP)
continue;
if (Verbose)
printf("Attempting to remove dependency on package `%s'\n", p->name);
if (!Fake)
findmatchingname(_pkgdb_getPKGDB_DIR(),
p->name, undepend, pkg);
}
}
if (Recurse_down) {
/* Also remove the packages further down, now that there's
* (most likely) nothing left which requires them. */
if (Verbose)
printf("Building list of packages that `%s' required\n", pkg);
if (require_find(pkg, FIND_DOWN))
return (1);
require_delete(home, 1);
}
if (!NoDeInstall && fexists(DEINSTALL_FNAME) && !fexists(DEPOT_FNAME)) {
if (Fake)
printf("Would execute post-de-install script at this point (arg: POST-DEINSTALL).\n");
else {
(void) fexec(CHMOD_CMD, "+x", DEINSTALL_FNAME, NULL); /* make sure */
if (fexec("./" DEINSTALL_FNAME, pkg, "POST-DEINSTALL", NULL)) {
warnx("post-deinstall script returned error status");
if (!Force)
return 1;
}
}
}
if (fexists(VIEWS_FNAME))
is_depoted_pkg = TRUE;
/* Change out of LogDir before we remove it.
* Do not fail here, as the package is not yet completely deleted! */
if (chdir(home) == FAIL)
warnx("Oops - removed current working directory. Oh, well.");
if (!Fake) {
/* Finally nuke the +-files and the pkgdb-dir (/var/db/pkg/foo) */
if (is_depoted_pkg) {
(void) remove_files(LogDir, "+*");
if (isemptydir(LogDir))
(void)rmdir(LogDir);
else
warnx("%s is not empty", LogDir);
return 0;
} else {
if (fexec(REMOVE_CMD, "-r", LogDir, NULL)) {
warnx("couldn't remove log entry in %s, deinstall failed", LogDir);
if (!Force)
return 1;
}
}
}
return 0;
}
int
pkg_perform(lpkg_head_t *pkghead)
{
int err_cnt = 0;
int oldcwd;
lpkg_t *lpp;
/* save cwd */
oldcwd = open(".", O_RDONLY, 0);
if (oldcwd == -1)
err(EXIT_FAILURE, "cannot open \".\"");
while ((lpp = TAILQ_FIRST(pkghead))) {
err_cnt += pkg_do(lpp->lp_name);
TAILQ_REMOVE(pkghead, lpp, lp_link);
free_lpkg(lpp);
if (fchdir(oldcwd) == FAIL)
err(EXIT_FAILURE, "unable to change to previous directory");
}
close(oldcwd);
return err_cnt;
}
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