/* $NetBSD: perform.c,v 1.56 2005/05/10 00:06:57 rillig Exp $ */ #include #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 1.56 2005/05/10 00:06:57 rillig 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 */ #include #include #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; }