minix/external/bsd/pkg_install/dist/delete/pkg_delete.c
Jean-Baptiste Boric a824f5a100 Import pkg_install from NetBSD
Change-Id: I9a3071b94dd2e9bfe2e3b162994e06ae10077b5a
2015-10-07 23:48:43 +02:00

929 lines
21 KiB
C

/*-
* Copyright (c) 2009 Joerg Sonnenberger <joerg@NetBSD.org>.
* Copyright (c) 2003 Johnny Lam <jlam@NetBSD.org>.
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* ``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
* COPYRIGHT HOLDERS OR CONTRIBUTORS 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.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <nbcompat.h>
#if HAVE_SYS_CDEFS_H
#include <sys/cdefs.h>
#endif
__RCSID("$NetBSD: pkg_delete.c,v 1.1.1.8 2012/02/19 17:46:46 tron Exp $");
#if HAVE_ERR_H
#include <err.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include "lib.h"
static const char *pkgdb;
static const char *destdir;
static const char *prefix;
static int keep_preserve;
static int no_deinstall;
static int find_by_filename;
static int unregister_only;
static int pkgdb_update_only;
static int delete_recursive;
static int delete_new_leaves;
static int delete_automatic_leaves;
static void
usage(void)
{
fprintf(stderr, "usage: pkg_delete [-DFfkNnORrVv] [-K pkg_dbdir]"
" [-P destdir] [-p prefix] pkg-name ...\n");
exit(1);
}
static int
add_by_filename(lpkg_head_t *pkgs, const char *filename)
{
lpkg_t *lpp;
char *s;
if ((s = pkgdb_retrieve(filename)) == NULL) {
warnx("No matching package for file `%s' in pkgdb", filename);
return 1;
}
/* XXX Verify that pkgdb is consistent? Trust it for now... */
lpp = alloc_lpkg(s);
TAILQ_INSERT_TAIL(pkgs, lpp, lp_link);
return 0;
}
static int
add_by_pattern(lpkg_head_t *pkgs, const char *pattern)
{
switch (add_installed_pkgs_by_pattern(pattern, pkgs)) {
case 0:
warnx("No package matching `%s' found", pattern);
return 1;
case -1:
warnx("Error while iterating package database for `%s'",
pattern);
return 1;
default:
return 0;
}
}
/*
* The argument is either a fixed package name or an absolute path.
* The latter is recognized for legacy compatibility and must point
* into the package database.
*/
static int
add_by_pkgname(lpkg_head_t *pkgs, char *pkg)
{
char *s;
lpkg_t *lpp;
size_t l;
const char *orig_pkg = pkg;
if (pkg[0] == '/') {
l = strlen(pkgdb);
if (strncmp(pkg, pkgdb, l) || pkg[l] != '/') {
warnx("Absolute path is not relative to "
"package database, skipping: %s", pkg);
return 1;
}
pkg += l + 1;
}
l = strcspn(pkg, "/");
if (pkg[l + strspn(pkg + l, "/")] != '\0') {
warnx("`%s' is not a package name, skipping", orig_pkg);
return 1;
}
pkg[l] = '\0';
s = pkgdb_pkg_file(pkg, CONTENTS_FNAME);
if (fexists(s)) {
free(s);
lpp = alloc_lpkg(pkg);
TAILQ_INSERT_TAIL(pkgs, lpp, lp_link);
return 0;
}
free(s);
switch (add_installed_pkgs_by_basename(pkg, pkgs)) {
case 0:
warnx("No matching package for basename `%s' of `%s'",
pkg, orig_pkg);
return 1;
case -1:
warnx("Error expanding basename `%s' of `%s'",
pkg, orig_pkg);
return 1;
default:
return 0;
}
}
/*
* Evaluate +REQUIRED_BY. This function is used for four different
* tasks:
* 0: check if no depending packages remain
* 1: like 0, but prepend the depending packages to pkgs if they exist
* 2: print remaining packages to stderr
* 3: check all and at least one depending packages have been removed
*/
static int
process_required_by(const char *pkg, lpkg_head_t *pkgs,
lpkg_head_t *sorted_pkgs, int action)
{
char line[MaxPathSize], *eol, *fname;
FILE *fp;
lpkg_t *lpp;
int got_match, got_miss;
fname = pkgdb_pkg_file(pkg, REQUIRED_BY_FNAME);
if (!fexists(fname)) {
free(fname);
return 0;
}
if ((fp = fopen(fname, "r")) == NULL) {
warn("Failed to open `%s'", fname);
free(fname);
return -1;
}
free(fname);
got_match = 0;
got_miss = 0;
while (fgets(line, sizeof(line), fp)) {
if ((eol = strrchr(line, '\n')) != NULL)
*eol = '\0';
TAILQ_FOREACH(lpp, sorted_pkgs, lp_link) {
if (strcmp(lpp->lp_name, line) == 0)
break;
}
if (lpp != NULL) {
got_match = 1;
continue;
}
got_miss = 1;
if (pkgs) {
TAILQ_FOREACH(lpp, pkgs, lp_link) {
if (strcmp(lpp->lp_name, line) == 0)
break;
}
if (lpp != NULL)
continue;
}
switch (action) {
case 0:
fclose(fp);
return 1;
case 1:
lpp = alloc_lpkg(line);
TAILQ_INSERT_HEAD(pkgs, lpp, lp_link);
break;
case 2:
fprintf(stderr, "\t%s\n", line);
break;
case 3:
fclose(fp);
return 0;
}
}
fclose(fp);
return (action == 3 ? got_match : got_miss);
}
/*
* Main function to order the patterns from the command line and
* add the subtrees for -r processing as needed.
*
* The first part ensures that all packages are listed at most once
* in pkgs. Afterwards the list is scanned for packages without depending
* packages. Each such package is moved to sorted_pkgs in order.
* If -r is given, all dependencies are inserted at the head of pkgs.
* The loop has to continue as long as progress is made. This can happen
* either because another package has been added to pkgs due to recursion
* (head of pkgs changed) or because a package has no more depending packages
* (tail of sorted_pkgs changed).
*
* If no progress is made, the remaining packages are moved to sorted_pkgs
* and an error is returned for the !Force case.
*/
static int
sort_and_recurse(lpkg_head_t *pkgs, lpkg_head_t *sorted_pkgs)
{
lpkg_t *lpp, *lpp2, *lpp_next, *lpp_old_tail, *lpp_old_head;
int rv;
TAILQ_FOREACH_SAFE(lpp, pkgs, lp_link, lpp_next) {
TAILQ_FOREACH(lpp2, pkgs, lp_link) {
if (lpp != lpp2 &&
strcmp(lpp->lp_name, lpp2->lp_name) == 0)
break;
}
if (lpp2 == NULL)
continue;
TAILQ_REMOVE(pkgs, lpp, lp_link);
free_lpkg(lpp);
}
while (!TAILQ_EMPTY(pkgs)) {
lpp_old_tail = TAILQ_LAST(sorted_pkgs, _lpkg_head_t);
lpp_old_head = TAILQ_FIRST(pkgs);
TAILQ_FOREACH_SAFE(lpp, pkgs, lp_link, lpp_next) {
rv = process_required_by(lpp->lp_name, pkgs,
sorted_pkgs, delete_recursive ? 1 : 0);
if (rv)
continue;
TAILQ_REMOVE(pkgs, lpp, lp_link);
TAILQ_INSERT_TAIL(sorted_pkgs, lpp, lp_link);
}
if (lpp_old_tail == TAILQ_LAST(sorted_pkgs, _lpkg_head_t) &&
lpp_old_head == TAILQ_FIRST(pkgs))
break;
}
if (TAILQ_EMPTY(pkgs))
return 0;
while (!TAILQ_EMPTY(pkgs)) {
lpp = TAILQ_FIRST(pkgs);
TAILQ_REMOVE(pkgs, lpp, lp_link);
fprintf(stderr,
"Package `%s' is still required by other packages:\n",
lpp->lp_name);
process_required_by(lpp->lp_name, NULL, sorted_pkgs, 2);
if (Force) {
TAILQ_INSERT_TAIL(sorted_pkgs, lpp, lp_link);
} else
free_lpkg(lpp);
}
return !Force;
}
struct find_leaves_data {
lpkg_head_t *pkgs;
int progress;
};
/*
* Iterator for finding leaf packages.
* Packages that are marked as not for deletion are not considered as
* leaves. For all other packages it is checked if at least one package
* that depended on them is to be removed AND no depending package remains.
* If that is the case, the package is appended to the sorted list.
* As this package can't have depending packages left, the topological order
* remains consistent.
*/
static int
find_new_leaves_iter(const char *pkg, void *cookie)
{
char *fname;
struct find_leaves_data *data = cookie;
lpkg_t *lpp;
fname = pkgdb_pkg_file(pkg, PRESERVE_FNAME);
if (fexists(fname)) {
free(fname);
return 0;
}
free(fname);
if (delete_automatic_leaves && !delete_new_leaves &&
!is_automatic_installed(pkg))
return 0;
/* Check whether this package is already on the list first. */
TAILQ_FOREACH(lpp, data->pkgs, lp_link) {
if (strcmp(lpp->lp_name, pkg) == 0)
return 0;
}
if (process_required_by(pkg, NULL, data->pkgs, 3) == 1) {
lpp = alloc_lpkg(pkg);
TAILQ_INSERT_TAIL(data->pkgs, lpp, lp_link);
data->progress = 1;
}
return 0;
}
/*
* Iterate over all installed packages and look for new leaf packages.
* As long as the loop adds one new leaf package, processing continues.
*/
static void
find_new_leaves(lpkg_head_t *pkgs)
{
struct find_leaves_data data;
data.pkgs = pkgs;
do {
data.progress = 0;
iterate_pkg_db(find_new_leaves_iter, &data);
} while (data.progress);
}
/*
* Check that no entry on the package list is marked as not for deletion.
*/
static int
find_preserve_pkgs(lpkg_head_t *pkgs)
{
lpkg_t *lpp, *lpp_next;
char *fname;
int found_preserve;
found_preserve = 0;
TAILQ_FOREACH_SAFE(lpp, pkgs, lp_link, lpp_next) {
fname = pkgdb_pkg_file(lpp->lp_name, PRESERVE_FNAME);
if (!fexists(fname)) {
free(fname);
continue;
}
free(fname);
if (keep_preserve) {
TAILQ_REMOVE(pkgs, lpp, lp_link);
free_lpkg(lpp);
continue;
}
if (!found_preserve)
warnx("The following packages are marked as not "
"for deletion:");
found_preserve = 1;
fprintf(stderr, "\t%s\n", lpp->lp_name);
}
if (!found_preserve)
return 0;
if (Force == 0 || (!unregister_only && Force == 1))
return 1;
fprintf(stderr, "...but will delete them anyway\n");
return 0;
}
/*
* Remove package from view. This is calling pkg_deinstall again.
*/
static int
remove_pkg_from_view(const char *pkg)
{
char line[MaxPathSize], *fname, *eol;
FILE *fp;
fname = pkgdb_pkg_file(pkg, VIEWS_FNAME);
if (isemptyfile(fname)) {
free(fname);
return 0;
}
if ((fp = fopen(fname, "r")) == NULL) {
warn("Unable to open `%s', aborting", fname);
free(fname);
return 1;
}
free(fname);
while (fgets(line, sizeof(line), fp) != NULL) {
if ((eol = strrchr(line, '\n')) != NULL)
*eol = '\0';
if (Verbose || Fake)
printf("Deleting package `%s' instance from `%s' view\n",
pkg, line);
if (Fake)
continue;
if (fexec_skipempty(BINDIR "/pkg_delete", "-K", line,
Fake ? "-n" : "",
(Force > 1) ? "-f" : "",
(Force > 0) ? "-f" : "",
pkg, NULL) != 0) {
warnx("Unable to delete package `%s' from view `%s'",
pkg, line);
fclose(fp);
return 1;
}
}
fclose(fp);
return 0;
}
/*
* Run the +DEINSTALL script. Depending on whether this is
* a depoted package and whether this pre- or post-deinstall phase,
* different arguments are passed down.
*/
static int
run_deinstall_script(const char *pkg, int do_postdeinstall)
{
const char *target, *text;
char *fname, *fname2, *pkgdir;
int rv;
fname = pkgdb_pkg_file(pkg, DEINSTALL_FNAME);
if (!fexists(fname)) {
free(fname);
return 0;
}
fname2 = pkgdb_pkg_file(pkg, DEPOT_FNAME);
if (fexists(fname2)) {
if (do_postdeinstall) {
free(fname);
free(fname2);
return 0;
}
target = "VIEW-DEINSTALL";
text = "view deinstall";
} else if (do_postdeinstall) {
target = "POST-DEINSTALL";
text = "post-deinstall";
} else {
target = "DEINSTALL";
text = "deinstall";
}
free(fname2);
if (Fake) {
printf("Would execute %s script with argument %s now\n",
text, target);
free(fname);
return 0;
}
pkgdir = pkgdb_pkg_dir(pkg);
if (chmod(fname, 0555))
warn("chmod of `%s' failed", fname);
rv = fcexec(pkgdir, fname, pkg, target, NULL);
if (rv)
warnx("%s script returned error status", text);
free(pkgdir);
free(fname);
return rv;
}
/*
* Copy lines from fname to fname_tmp, filtering out lines equal to text.
* Afterwards rename fname_tmp to fname;
*/
static int
remove_line(const char *fname, const char *fname_tmp, const char *text)
{
FILE *fp, *fp_out;
char line[MaxPathSize], *eol;
int rv;
if ((fp = fopen(fname, "r")) == NULL) {
warn("Unable to open `%s'", fname);
return 1;
}
if ((fp_out = fopen(fname_tmp, "w")) == NULL) {
warn("Unable to open `%s'", fname_tmp);
fclose(fp);
return 1;
}
while (fgets(line, sizeof(line), fp) != NULL) {
if ((eol = strrchr(line, '\n')) != NULL)
*eol = '\0';
if (strcmp(line, text) == 0)
continue;
fprintf(fp_out, "%s\n", line);
}
fclose(fp);
if (fclose(fp_out) == EOF) {
remove(fname_tmp);
warnx("Failure while closing `%s' temp file", fname_tmp);
return 1;
}
if (rename(fname_tmp, fname) == -1) {
warn("Unable to rename `%s' to `%s'", fname_tmp, fname);
rv = 1;
} else
rv = 0;
remove(fname_tmp);
return rv;
}
/*
* Unregister the package from the depot it is registered in.
*/
static int
remove_pkg_from_depot(const char *pkg)
{
FILE *fp;
char line[MaxPathSize], *eol;
char *fname, *fname2;
int rv;
fname = pkgdb_pkg_file(pkg, DEPOT_FNAME);
if (isemptyfile(fname)) {
free(fname);
return 0;
}
if (Verbose)
printf("Attempting to remove the `%s' registration "
"on package `%s'\n", fname, pkg);
if (Fake) {
free(fname);
return 1;
}
if ((fp = fopen(fname, "r")) == NULL) {
warn("Unable to open `%s' file", fname);
free(fname);
return 1;
}
if (fgets(line, sizeof(line), fp) == NULL) {
fclose(fp);
warnx("Empty depot file `%s'", fname);
free(fname);
return 1;
}
if ((eol = strrchr(line, '\n')) != NULL)
*eol = '\0';
fclose(fp);
free(fname);
fname = pkgdb_pkg_file(pkg, VIEWS_FNAME);
fname2 = pkgdb_pkg_file(pkg, VIEWS_FNAME_TMP);
rv = remove_line(fname, fname2, line);
free(fname2);
free(fname);
return rv;
}
/*
* remove_depend is used as iterator function below.
* The passed-in package name should be removed from the
* +REQUIRED_BY list of the dependency. Such an entry
* can miss in a fully correct package database, if the pattern
* matches more than one package.
*/
static int
remove_depend(const char *cur_pkg, void *cookie)
{
const char *pkg = cookie;
char *fname, *fname2;
int rv;
fname = pkgdb_pkg_file(cur_pkg, REQUIRED_BY_FNAME);
if (isemptyfile(fname)) {
free(fname);
return 0;
}
fname2 = pkgdb_pkg_file(cur_pkg, REQUIRED_BY_FNAME_TMP);
rv = remove_line(fname, fname2, pkg);
free(fname2);
free(fname);
return rv;
}
static int
remove_pkg(const char *pkg)
{
FILE *fp;
char *fname, *pkgdir;
package_t plist;
plist_t *p;
int is_depoted_pkg, rv, late_error;
if (pkgdb_update_only)
return pkgdb_remove_pkg(pkg) ? 0 : 1;
fname = pkgdb_pkg_file(pkg, CONTENTS_FNAME);
if (!fexists(fname)) {
warnx("package `%s' is not installed, `%s' missing", pkg, fname);
free(fname);
return 1;
}
free(fname);
/* +REQUIRED_BY and +PRESERVE already checked */
if (remove_pkg_from_view(pkg))
return 1;
/*
* The views related code has bad error handling, if e.g.
* the deinstall script fails, the package remains unregistered.
*/
fname = pkgdb_pkg_file(pkg, CONTENTS_FNAME);
if ((fp = fopen(fname, "r")) == NULL) {
warnx("Failed to open `%s'", fname);
free(fname);
return 1;
}
read_plist(&plist, fp);
fclose(fp);
/*
* If a prefix has been provided, remove the first @cwd and
* prepend that prefix. This allows removing packages without
* @cwd if really necessary. pkg_admin rebuild is likely needed
* afterwards though.
*/
if (prefix) {
delete_plist(&plist, FALSE, PLIST_CWD, NULL);
add_plist_top(&plist, PLIST_CWD, prefix);
}
if ((p = find_plist(&plist, PLIST_CWD)) == NULL) {
warnx("Package `%s' doesn't have a prefix", pkg);
return 1;
}
if (find_plist(&plist, PLIST_NAME) == NULL) {
/* Cheat a bit to allow removal of such bad packages. */
warnx("Package `%s' doesn't have a name", pkg);
add_plist_top(&plist, PLIST_NAME, pkg);
}
setenv(PKG_REFCOUNT_DBDIR_VNAME, config_pkg_refcount_dbdir, 1);
fname = pkgdb_pkg_dir(pkg);
setenv(PKG_METADATA_DIR_VNAME, fname, 1);
free(fname);
setenv(PKG_PREFIX_VNAME, p->name, 1);
if (!no_deinstall && !unregister_only) {
if (run_deinstall_script(pkg, 0) && !Force)
return 1;
}
late_error = 0;
if (Fake)
printf("Attempting to delete package `%s'\n", pkg);
else if (delete_package(FALSE, &plist, unregister_only,
destdir) == FAIL) {
warnx("couldn't entirely delete package `%s'", pkg);
/*
* XXX It could be nice to error out here explicitly,
* XXX but this is problematic for missing or changed files.
* XXX At least the inability to remove files at all should
* XXX be handled though.
*/
}
/*
* Past the point of no return. Files are gone, all that is left
* is cleaning up registered dependencies and removing the meta data.
* Errors in the remaining part are counted, but don't stop the
* processing.
*/
fname = pkgdb_pkg_file(pkg, DEPOT_FNAME);
if (fexists(fname)) {
late_error |= remove_pkg_from_depot(pkg);
/* XXX error checking */
} else {
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)
continue;
match_installed_pkgs(p->name, remove_depend,
__UNCONST(pkg));
}
}
free(fname);
free_plist(&plist);
if (!no_deinstall && !unregister_only)
late_error |= run_deinstall_script(pkg, 1);
fname = pkgdb_pkg_file(pkg, VIEWS_FNAME);
if (fexists(fname))
is_depoted_pkg = TRUE;
else
is_depoted_pkg = FALSE;
free(fname);
if (Fake)
return 0;
/*
* Kill the pkgdb subdirectory. The files have been removed, so
* this is way beyond the point of no return.
*/
pkgdir = pkgdb_pkg_dir(pkg);
(void) remove_files(pkgdir, "+*");
rv = 1;
if (isemptydir(pkgdir)&& rmdir(pkgdir) == 0)
rv = 0;
else if (is_depoted_pkg)
warnx("Depot directory `%s' is not empty", pkgdir);
else if (!Force)
warnx("Couldn't remove package directory in `%s'", pkgdir);
else if (recursive_remove(pkgdir, 1))
warn("Couldn't remove package directory `%s'", pkgdir);
else
warnx("Package directory `%s' forcefully removed", pkgdir);
free(pkgdir);
return rv | late_error;
}
int
main(int argc, char *argv[])
{
lpkg_head_t pkgs, sorted_pkgs;
int ch, r, has_error;
unsigned long bad_count;
TAILQ_INIT(&pkgs);
TAILQ_INIT(&sorted_pkgs);
setprogname(argv[0]);
while ((ch = getopt(argc, argv, "ADFfK:kNnOP:p:RrVv")) != -1) {
switch (ch) {
case 'A':
delete_automatic_leaves = 1;
break;
case 'D':
no_deinstall = 1;
break;
case 'F':
find_by_filename = 1;
break;
case 'f':
++Force;
break;
case 'K':
pkgdb_set_dir(optarg, 3);
break;
case 'k':
keep_preserve = 1;
break;
case 'N':
unregister_only = 1;
break;
case 'n':
Fake = 1;
break;
case 'O':
pkgdb_update_only = 1;
break;
case 'P':
destdir = optarg;
break;
case 'p':
prefix = optarg;
break;
case 'R':
delete_new_leaves = 1;
break;
case 'r':
delete_recursive = 1;
break;
case 'V':
show_version();
/* NOTREACHED */
case 'v':
++Verbose;
break;
default:
usage();
break;
}
}
pkg_install_config();
pkgdb = xstrdup(pkgdb_get_dir());
if (destdir != NULL) {
char *pkgdbdir;
pkgdbdir = xasprintf("%s/%s", destdir, pkgdb);
pkgdb_set_dir(pkgdbdir, 4);
free(pkgdbdir);
}
argc -= optind;
argv += optind;
if (argc == 0) {
if (find_by_filename)
warnx("Missing filename(s)");
else
warnx("Missing package name(s)");
usage();
}
if (Fake)
r = pkgdb_open(ReadOnly);
else
r = pkgdb_open(ReadWrite);
if (!r)
errx(EXIT_FAILURE, "Opening pkgdb failed");
/* First, process all command line options. */
has_error = 0;
for (; argc != 0; --argc, ++argv) {
if (find_by_filename)
has_error |= add_by_filename(&pkgs, *argv);
else if (ispkgpattern(*argv))
has_error |= add_by_pattern(&pkgs, *argv);
else
has_error |= add_by_pkgname(&pkgs, *argv);
}
if (has_error && !Force) {
pkgdb_close();
return EXIT_FAILURE;
}
/* Second, reorder and recursive if necessary. */
if (sort_and_recurse(&pkgs, &sorted_pkgs)) {
pkgdb_close();
return EXIT_FAILURE;
}
/* Third, add leaves if necessary. */
if (delete_new_leaves || delete_automatic_leaves)
find_new_leaves(&sorted_pkgs);
/*
* Now that all packages to remove are known, check
* if all are removable. After that, start the actual
* removal.
*/
if (find_preserve_pkgs(&sorted_pkgs)) {
pkgdb_close();
return EXIT_FAILURE;
}
setenv(PKG_REFCOUNT_DBDIR_VNAME, pkgdb_refcount_dir(), 1);
bad_count = 0;
while (!TAILQ_EMPTY(&sorted_pkgs)) {
lpkg_t *lpp;
lpp = TAILQ_FIRST(&sorted_pkgs);
TAILQ_REMOVE(&sorted_pkgs, lpp, lp_link);
if (remove_pkg(lpp->lp_name)) {
++bad_count;
if (!Force)
break;
}
free_lpkg(lpp);
}
pkgdb_close();
if (Force && bad_count && Verbose)
warnx("Removal of %lu packages failed", bad_count);
return bad_count > 0 ? EXIT_FAILURE : EXIT_SUCCESS;
}