commit, db: make file conflicts and script errors non-fatal

fixes #1482

5 files changed, 140 insertions, 134 deletions

diff --git a/src/apk_package.h b/src/apk_package.h
index 2d8a431..f743c3e 100644
--- a/src/apk_package.h
+++ b/src/apk_package.h
@@ -78,9 +78,6 @@ APK_ARRAY(apk_dependency_array, struct apk_dependency);
 
 struct apk_installed_package {
 	struct apk_package *pkg;
-	unsigned int run_all_triggers : 1;
-	unsigned int repository_tag : 6;
-	unsigned short replaces_priority;
 	struct list_head installed_pkgs_list;
 	struct list_head trigger_pkgs_list;
 	struct hlist_head owned_dirs;
@@ -88,6 +85,12 @@ struct apk_installed_package {
 	struct apk_string_array *triggers;
 	struct apk_string_array *pending_triggers;
 	struct apk_dependency_array *replaces;
+
+	unsigned short replaces_priority;
+	unsigned repository_tag : 6;
+	unsigned run_all_triggers : 1;
+	unsigned broken_files : 1;
+	unsigned broken_script : 1;
 };
 
 #define APK_PKG_UNINSTALLABLE		((char*) -1)
@@ -177,9 +180,8 @@ void apk_pkg_uninstall(struct apk_database *db, struct apk_package *pkg);
 int apk_ipkg_add_script(struct apk_installed_package *ipkg,
 			struct apk_istream *is,
 			unsigned int type, unsigned int size);
-int apk_ipkg_run_script(struct apk_installed_package *ipkg,
-			struct apk_database *db,
-			unsigned int type, char **argv);
+void apk_ipkg_run_script(struct apk_installed_package *ipkg, struct apk_database *db,
+			 unsigned int type, char **argv);
 
 struct apk_package *apk_pkg_parse_index_entry(struct apk_database *db, apk_blob_t entry);
 int apk_pkg_write_index_entry(struct apk_package *pkg, struct apk_ostream *os);
diff --git a/src/commit.c b/src/commit.c
index 09e8b28..7beb68a 100644
--- a/src/commit.c
+++ b/src/commit.c
@@ -48,7 +48,7 @@ static int print_change(struct apk_database *db, struct apk_change *change,
 	} else if (newpkg == oldpkg) {
 		if (change->reinstall) {
 			if (pkg_available(db, newpkg))
-				msg = "Re-installing";
+				msg = "Reinstalling";
 			else
 				msg = "[APK unavailable, skipped] Re-installing";
 		} else if (change->old_repository_tag != change->new_repository_tag) {
@@ -161,6 +161,11 @@ static int cmp_new(struct apk_change *change)
 	return change->old_pkg == NULL;
 }
 
+static int cmp_reinstall(struct apk_change *change)
+{
+	return change->reinstall;
+}
+
 static int cmp_downgrade(struct apk_change *change)
 {
 	if (change->new_pkg == NULL || change->old_pkg == NULL)
@@ -217,7 +222,9 @@ int apk_solver_commit_changeset(struct apk_database *db,
 {
 	struct progress prog;
 	struct apk_change *change;
-	int r = 0, size_diff = 0, size_unit;
+	char buf[32], size_unit;
+	ssize_t size_diff = 0;
+	int r, errors = 0;
 
 	if (apk_db_check_world(db, world) != 0) {
 		apk_error("Not committing changes due to missing repository tags. Use --force to override.");
@@ -252,7 +259,9 @@ int apk_solver_commit_changeset(struct apk_database *db,
 				      "The following NEW packages will be installed");
 			dump_packages(changeset, cmp_upgrade,
 				      "The following packages will be upgraded");
-			printf("After this operation, %d %ciB of %s\n",
+			dump_packages(changeset, cmp_reinstall,
+				      "The following packages will be reinstalled");
+			printf("After this operation, %zd %ciB of %s\n",
 				abs(size_diff), size_unit,
 				(size_diff < 0) ?
 				"disk space will be freed." :
@@ -269,25 +278,24 @@ int apk_solver_commit_changeset(struct apk_database *db,
 	}
 
 	/* Go through changes */
-	r = 0;
 	foreach_array_item(change, changeset->changes) {
+		r = change->old_pkg &&
+			(change->old_pkg->ipkg->broken_files ||
+			 change->old_pkg->ipkg->broken_script);
 		if (print_change(db, change, prog.done.changes, prog.total.changes)) {
 			prog.pkg = change->new_pkg;
 			progress_cb(&prog, 0);
 
-			if (!(apk_flags & APK_SIMULATE)) {
-				if (change->old_pkg != change->new_pkg ||
-				    (change->reinstall && pkg_available(db, change->new_pkg)))
-					r = apk_db_install_pkg(db,
-							       change->old_pkg, change->new_pkg,
-							       progress_cb, &prog);
-				if (r != 0)
-					break;
-				if (change->new_pkg)
-					change->new_pkg->ipkg->repository_tag = change->new_repository_tag;
+			if (!(apk_flags & APK_SIMULATE) &&
+			    ((change->old_pkg != change->new_pkg) ||
+			     (change->reinstall && pkg_available(db, change->new_pkg)))) {
+				r = apk_db_install_pkg(db, change->old_pkg, change->new_pkg,
+						       progress_cb, &prog) != 0;
 			}
+			if (r == 0 && change->new_pkg && change->new_pkg->ipkg)
+				change->new_pkg->ipkg->repository_tag = change->new_repository_tag;
 		}
-
+		errors += r;
 		count_change(change, &prog.done);
 	}
 	apk_print_progress(prog.total.bytes + prog.total.packages,
@@ -299,21 +307,27 @@ all_done:
 	apk_dependency_array_copy(&db->world, world);
 	apk_db_write_config(db);
 
-	if (r == 0 && !db->performing_self_update) {
+	if (!db->performing_self_update) {
+		if (errors)
+			snprintf(buf, sizeof(buf), "%d errors;", errors);
+		else
+			strcpy(buf, "OK:");
 		if (apk_verbosity > 1) {
-			apk_message("OK: %d packages, %d dirs, %d files, %zu MiB",
+			apk_message("%s %d packages, %d dirs, %d files, %zu MiB",
+				    buf,
 				    db->installed.stats.packages,
 				    db->installed.stats.dirs,
 				    db->installed.stats.files,
 				    db->installed.stats.bytes / (1024 * 1024));
 		} else {
-			apk_message("OK: %zu MiB in %d packages",
+			apk_message("%s %zu MiB in %d packages",
+				    buf,
 				    db->installed.stats.bytes / (1024 * 1024),
 				    db->installed.stats.packages);
 		}
 	}
 
-	return r;
+	return 0;
 }
 
 enum {
diff --git a/src/database.c b/src/database.c
index 2360bda..ba13620 100644
--- a/src/database.c
+++ b/src/database.c
@@ -859,12 +859,20 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
 		case 's':
 			ipkg->repository_tag = apk_db_get_tag_id(db, l);
 			break;
-		default:
-			if (r != 0 && !(apk_flags & APK_FORCE)) {
-				/* Installed db should not have unsupported fields */
-				apk_error("This apk-tools is too old to handle installed packages");
-				return -1;
+		case 'f':
+			for (r = 0; r < l.len; r++) {
+				switch (l.ptr[r]) {
+				case 'f': ipkg->broken_files = 1; break;
+				case 's': ipkg->broken_script = 1; break;
+				default:
+					if (!(apk_flags & APK_FORCE))
+						goto old_apk_tools;
+				}
 			}
+			break;
+		default:
+			if (r != 0 && !(apk_flags & APK_FORCE))
+				goto old_apk_tools;
 			/* Installed. So mark the package as installable. */
 			pkg->filename = NULL;
 			continue;
@@ -874,8 +882,11 @@ int apk_db_index_read(struct apk_database *db, struct apk_bstream *bs, int repo)
 			return -1;
 		}
 	}
-
 	return 0;
+old_apk_tools:
+	/* Installed db should not have unsupported fields */
+	apk_error("This apk-tools is too old to handle installed packages");
+	return -1;
 }
 
 static int apk_db_write_fdb(struct apk_database *db, struct apk_ostream *os)
@@ -919,6 +930,13 @@ static int apk_db_write_fdb(struct apk_database *db, struct apk_ostream *os)
 			apk_blob_push_uint(&bbuf, diri->gid, 10);
 			apk_blob_push_blob(&bbuf, APK_BLOB_STR(":"));
 			apk_blob_push_uint(&bbuf, diri->mode, 8);
+			if (ipkg->broken_files || ipkg->broken_script) {
+				apk_blob_push_blob(&bbuf, APK_BLOB_STR("\nf:"));
+				if (ipkg->broken_files)
+					apk_blob_push_blob(&bbuf, APK_BLOB_STR("f"));
+				if (ipkg->broken_script)
+					apk_blob_push_blob(&bbuf, APK_BLOB_STR("s"));
+			}
 			apk_blob_push_blob(&bbuf, APK_BLOB_STR("\n"));
 
 			hlist_for_each_entry(file, c2, &diri->owned_files, diri_files_list) {
@@ -2148,23 +2166,12 @@ static void extract_cb(void *_ctx, size_t bytes_done)
 	ctx->cb(ctx->cb_ctx, min(ctx->installed_size + bytes_done, ctx->pkg->installed_size));
 }
 
-static int apk_db_run_pending_script(struct install_ctx *ctx)
+static void apk_db_run_pending_script(struct install_ctx *ctx)
 {
-	int r;
-
-	if (!ctx->script_pending)
-		return 0;
-	if (!ctx->sctx.control_verified)
-		return 0;
-
-	ctx->script_pending = FALSE;
-	r = apk_ipkg_run_script(ctx->ipkg, ctx->db, ctx->script,
-				ctx->script_args);
-	if (r != 0)
-		apk_error("%s-%s: Failed to execute "
-			  "pre-install/upgrade script",
-			  ctx->pkg->name->name, ctx->pkg->version);
-	return r;
+	if (ctx->script_pending && ctx->sctx.control_verified) {
+		ctx->script_pending = FALSE;
+		apk_ipkg_run_script(ctx->ipkg, ctx->db, ctx->script, ctx->script_args);
+	}
 }
 
 static int read_info_line(void *_ctx, apk_blob_t line)
@@ -2251,11 +2258,10 @@ static int apk_db_install_archive_entry(void *_ctx,
 		apk_ipkg_add_script(ipkg, is, type, ae->size);
 		if (type == ctx->script)
 			ctx->script_pending = TRUE;
-		return apk_db_run_pending_script(ctx);
+		apk_db_run_pending_script(ctx);
+		return 0;
 	}
-	r = apk_db_run_pending_script(ctx);
-	if (r != 0)
-		return r;
+	apk_db_run_pending_script(ctx);
 
 	/* Installable entry */
 	ctx->current_file_size = apk_calc_installed_size(ae->size);
@@ -2272,9 +2278,10 @@ static int apk_db_install_archive_entry(void *_ctx,
 		diri = find_diri(ipkg, bdir, diri, &ctx->file_diri_node);
 		if (diri == NULL) {
 			if (!APK_BLOB_IS_NULL(bdir)) {
-				apk_error("%s: File '%*s' entry without directory entry.\n",
-					  pkg->name->name, name.len, name.ptr);
-				return -1;
+				apk_error(PKG_VER_FMT": "BLOB_FMT": no dirent in archive\n",
+					  pkg, BLOB_PRINTF(name));
+				ipkg->broken_files = 1;
+				return 0;
 			}
 			diri = apk_db_install_directory_entry(ctx, bdir);
 		}
@@ -2316,15 +2323,13 @@ static int apk_db_install_archive_entry(void *_ctx,
 					break;
 
 				if (!(apk_flags & APK_FORCE)) {
-					apk_error("%s: Trying to overwrite %s "
-						  "owned by %s.",
-						  pkg->name->name, ae->name,
-						  opkg->name->name);
-					return -1;
+					apk_error(PKG_VER_FMT": trying to overwrite %s owned by "PKG_VER_FMT".",
+						  PKG_VER_PRINTF(pkg), ae->name, PKG_VER_PRINTF(opkg));
+					ipkg->broken_files = 1;
+					return 0;
 				}
-				apk_warning("%s: Overwriting %s owned by %s.",
-					    pkg->name->name, ae->name,
-					    opkg->name->name);
+				apk_warning(PKG_VER_FMT": overwriting %s owned by "PKG_VER_FMT".",
+					    PKG_VER_PRINTF(pkg), ae->name, PKG_VER_PRINTF(opkg));
 			} while (0);
 		}
 
@@ -2521,16 +2526,14 @@ static void apk_db_migrate_files(struct apk_database *db,
 
 static int apk_db_unpack_pkg(struct apk_database *db,
 			     struct apk_installed_package *ipkg,
-			     int upgrade, int reinstall,
-			     apk_progress_cb cb, void *cb_ctx,
+			     int upgrade, apk_progress_cb cb, void *cb_ctx,
 			     char **script_args)
 {
 	struct install_ctx ctx;
-	struct apk_bstream *bs = NULL;
+	struct apk_bstream *bs = NULL, *cache_bs;
 	struct apk_istream *tar;
 	struct apk_repository *repo;
 	struct apk_package *pkg = ipkg->pkg;
-	const char *action = "";
 	char file[PATH_MAX];
 	char tmpcacheitem[128], *cacheitem = &tmpcacheitem[tmpprefix.len];
 	int r, filefd = AT_FDCWD, need_copy = FALSE;
@@ -2538,7 +2541,6 @@ static int apk_db_unpack_pkg(struct apk_database *db,
 	if (pkg->filename == NULL) {
 		repo = apk_db_select_repo(db, pkg);
 		if (repo == NULL) {
-			action = "unable to select package: ";
 			r = -ENOPKG;
 			goto err_msg;
 		}
@@ -2563,12 +2565,12 @@ static int apk_db_unpack_pkg(struct apk_database *db,
 		apk_blob_t b = APK_BLOB_BUF(tmpcacheitem);
 		apk_blob_push_blob(&b, tmpprefix);
 		apk_pkg_format_cache_pkg(b, pkg);
-		bs = apk_bstream_tee(bs, db->cache_fd, tmpcacheitem, NULL, NULL);
-		if (bs == NULL) {
-			action = "unable cache package: ";
-			r = -errno;
-			goto err_msg;
-		}
+		cache_bs = apk_bstream_tee(bs, db->cache_fd, tmpcacheitem, NULL, NULL);
+		if (cache_bs != NULL)
+			bs = cache_bs;
+		else
+			apk_warning(PKG_VER_FMT": unable to cache: %s",
+				    PKG_VER_PRINTF(pkg), apk_error_str(errno));
 	}
 
 	ctx = (struct install_ctx) {
@@ -2598,26 +2600,15 @@ static int apk_db_unpack_pkg(struct apk_database *db,
 	if (r != 0)
 		goto err_msg;
 
-	r = apk_db_run_pending_script(&ctx);
-	if (r != 0) {
-		action = "unable to run script: ";
-		goto err_msg;
-	}
-
-	apk_db_migrate_files(db, ipkg);
-
+	apk_db_run_pending_script(&ctx);
 	return 0;
 err_msg:
-	apk_error("%s: %s%s", file, action, apk_error_str(r));
-	if (!reinstall)
-		apk_db_purge_pkg(db, ipkg, ".apk-new");
+	apk_error(PKG_VER_FMT": %s", PKG_VER_PRINTF(pkg), apk_error_str(r));
 	return r;
 }
 
-int apk_db_install_pkg(struct apk_database *db,
-		       struct apk_package *oldpkg,
-		       struct apk_package *newpkg,
-		       apk_progress_cb cb, void *cb_ctx)
+int apk_db_install_pkg(struct apk_database *db, struct apk_package *oldpkg,
+		       struct apk_package *newpkg, apk_progress_cb cb, void *cb_ctx)
 {
 	char *script_args[] = { NULL, NULL, NULL, NULL };
 	struct apk_installed_package *ipkg;
@@ -2634,18 +2625,11 @@ int apk_db_install_pkg(struct apk_database *db,
 	/* Just purging? */
 	if (oldpkg != NULL && newpkg == NULL) {
 		ipkg = oldpkg->ipkg;
-
 		if (ipkg == NULL)
 			goto ret_r;
-
-		r = apk_ipkg_run_script(ipkg, db, 
-					APK_SCRIPT_PRE_DEINSTALL, script_args);
-		if (r != 0)
-			goto ret_r;
-
+		apk_ipkg_run_script(ipkg, db, APK_SCRIPT_PRE_DEINSTALL, script_args);
 		apk_db_purge_pkg(db, ipkg, NULL);
-		r = apk_ipkg_run_script(ipkg, db,
-					APK_SCRIPT_POST_DEINSTALL, script_args);
+		apk_ipkg_run_script(ipkg, db, APK_SCRIPT_POST_DEINSTALL, script_args);
 		apk_pkg_uninstall(db, oldpkg);
 		goto ret_r;
 	}
@@ -2661,12 +2645,14 @@ int apk_db_install_pkg(struct apk_database *db,
 
 	if (newpkg->installed_size != 0) {
 		r = apk_db_unpack_pkg(db, ipkg, (oldpkg != NULL),
-				      (oldpkg == newpkg), cb, cb_ctx,
-				      script_args);
+				      cb, cb_ctx, script_args);
 		if (r != 0) {
+			if (oldpkg != newpkg)
+				apk_db_purge_pkg(db, ipkg, ".apk-new");
 			apk_pkg_uninstall(db, newpkg);
 			goto ret_r;
 		}
+		apk_db_migrate_files(db, ipkg);
 	}
 
 	if (oldpkg != NULL && oldpkg != newpkg && oldpkg->ipkg != NULL) {
@@ -2674,14 +2660,13 @@ int apk_db_install_pkg(struct apk_database *db,
 		apk_pkg_uninstall(db, oldpkg);
 	}
 
-	r = apk_ipkg_run_script(ipkg, db,
-				(oldpkg == NULL) ?
-				APK_SCRIPT_POST_INSTALL : APK_SCRIPT_POST_UPGRADE,
-				script_args);
-	if (r != 0) {
-		apk_error(PKG_VER_FMT ": Failed to execute post-install/upgrade script",
-		          PKG_VER_PRINTF(newpkg));
-	}
+	apk_ipkg_run_script(
+		ipkg, db,
+		(oldpkg == NULL) ? APK_SCRIPT_POST_INSTALL : APK_SCRIPT_POST_UPGRADE,
+		script_args);
+
+	if (ipkg->broken_files || ipkg->broken_script)
+		r = -1;
 ret_r:
 	free(script_args[1]);
 	free(script_args[2]);
diff --git a/src/fix.c b/src/fix.c
index f71613f..4672813 100644
--- a/src/fix.c
+++ b/src/fix.c
@@ -52,16 +52,20 @@ static int mark_recalculate(apk_hash_item item, void *ctx)
 	return 0;
 }
 
-static void set_solver_flags(struct apk_database *db, const char *match, struct apk_name *name, void *pctx)
+static void mark_fix(struct fix_ctx *ctx, struct apk_name *name)
 {
-	struct fix_ctx *ctx = (struct fix_ctx *) pctx;
-
 	apk_solver_set_name_flags(name, ctx->solver_flags, ctx->fix_depends ? ctx->solver_flags : 0);
 }
 
+static void set_solver_flags(struct apk_database *db, const char *match, struct apk_name *name, void *ctx)
+{
+	mark_fix(ctx, name);
+}
+
 static int fix_main(void *pctx, struct apk_database *db, struct apk_string_array *args)
 {
 	struct fix_ctx *ctx = (struct fix_ctx *) pctx;
+	struct apk_installed_package *ipkg;
 
 	if (!ctx->solver_flags)
 		ctx->solver_flags = APK_SOLVERF_REINSTALL;
@@ -69,7 +73,13 @@ static int fix_main(void *pctx, struct apk_database *db, struct apk_string_array
 	if (ctx->fix_directory_permissions)
 		apk_hash_foreach(&db->installed.dirs, mark_recalculate, db);
 
-	apk_name_foreach_matching(db, args, apk_foreach_genid(), set_solver_flags, ctx);
+	if (args->num == 0) {
+		list_for_each_entry(ipkg, &db->installed.packages, installed_pkgs_list) {
+			if (ipkg->broken_files || ipkg->broken_script)
+				mark_fix(ctx, ipkg->pkg->name);
+		}
+	} else
+		apk_name_foreach_matching(db, args, apk_foreach_genid(), set_solver_flags, ctx);
 
 	return apk_solver_commit(db, 0, db->world);
 }
diff --git a/src/package.c b/src/package.c
index f38a57e..6723de6 100644
--- a/src/package.c
+++ b/src/package.c
@@ -796,7 +796,7 @@ int apk_pkg_add_info(struct apk_database *db, struct apk_package *pkg,
 		pkg->commit = apk_blob_cstr(value);
 		break;
 	case 'F': case 'M': case 'R': case 'Z': case 'r': case 'q':
-	case 'a': case 's':
+	case 'a': case 's': case 'f':
 		/* installed db entries which are handled in database.c */
 		return 1;
 	default:
@@ -973,9 +973,9 @@ int apk_ipkg_add_script(struct apk_installed_package *ipkg,
 	return 0;
 }
 
-int apk_ipkg_run_script(struct apk_installed_package *ipkg,
-			struct apk_database *db,
-			unsigned int type, char **argv)
+void apk_ipkg_run_script(struct apk_installed_package *ipkg,
+			 struct apk_database *db,
+			 unsigned int type, char **argv)
 {
 	static char * const environment[] = {
 		"PATH=/usr/sbin:/usr/bin:/sbin:/bin",
@@ -986,11 +986,8 @@ int apk_ipkg_run_script(struct apk_installed_package *ipkg,
 	int fd, status, root_fd = db->root_fd;
 	pid_t pid;
 
-	if (type >= APK_SCRIPT_MAX)
-		return -1;
-
-	if (ipkg->script[type].ptr == NULL)
-		return 0;
+	if (type >= APK_SCRIPT_MAX || ipkg->script[type].ptr == NULL)
+		return;
 
 	argv[0] = (char *) apk_script_types[type];
 
@@ -1001,43 +998,41 @@ int apk_ipkg_run_script(struct apk_installed_package *ipkg,
 
 	apk_message("Executing %s", &fn[15]);
 	if (apk_flags & APK_SIMULATE)
-		return 0;
+		return;
 
 	fd = openat(root_fd, fn, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, 0755);
 	if (fd < 0) {
 		mkdirat(root_fd, "var/cache/misc", 0755);
 		fd = openat(root_fd, fn, O_CREAT|O_RDWR|O_TRUNC|O_CLOEXEC, 0755);
 		if (fd < 0)
-			return -errno;
+			goto error;
 	}
 	if (write(fd, ipkg->script[type].ptr, ipkg->script[type].len) < 0) {
 		close(fd);
-		return -errno;
+		goto error;
 	}
 	close(fd);
 
 	pid = fork();
 	if (pid == -1)
-		return -1;
+		goto error;
 	if (pid == 0) {
-		if (fchdir(root_fd) < 0 || chroot(".") < 0) {
-			apk_error("chroot: %s", strerror(errno));
-		} else {
+		if (fchdir(root_fd) == 0 && chroot(".") == 0)
 			execve(fn, argv, environment);
-		}
 		exit(1);
 	}
 	waitpid(pid, &status, 0);
 	unlinkat(root_fd, fn, 0);
 	apk_id_cache_reset(&db->id_cache);
 
-	if (WIFEXITED(status)) {
-		int rc = WEXITSTATUS(status);
-		if (rc != 0)
-			apk_warning("%s: returned error %d", &fn[15], rc);
-		return 0;
+	if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) {
+		apk_error("%s: script exited with error %d", &fn[15], WEXITSTATUS(status));
+		ipkg->broken_script = 1;
 	}
-	return -1;
+	return;
+error:
+	apk_error("%s: failed to execute: %s", &fn[15], apk_error_str(errno));
+	ipkg->broken_script = 1;
 }
 
 static int parse_index_line(void *ctx, apk_blob_t line)