Apply post-1.20.0 patches, bump version to 1.20.1

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
diff --git a/Makefile b/Makefile
index d5beb04..1de0398 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 1
 PATCHLEVEL = 20
-SUBLEVEL = 0
+SUBLEVEL = 1
 EXTRAVERSION =
 NAME = Unnamed
 
diff --git a/archival/libarchive/Kbuild.src b/archival/libarchive/Kbuild.src
index 9592217..58457fc 100644
--- a/archival/libarchive/Kbuild.src
+++ b/archival/libarchive/Kbuild.src
@@ -45,7 +45,7 @@
 lib-$(CONFIG_CPIO)                      += get_header_cpio.o
 lib-$(CONFIG_DPKG)                      += $(DPKG_FILES)
 lib-$(CONFIG_DPKG_DEB)                  += $(DPKG_FILES)
-lib-$(CONFIG_GUNZIP)                    += decompress_gunzip.o
+lib-$(CONFIG_GUNZIP)                    += open_transformer.o decompress_gunzip.o
 lib-$(CONFIG_RPM2CPIO)                  += decompress_gunzip.o get_header_cpio.o
 lib-$(CONFIG_RPM)                       += open_transformer.o decompress_gunzip.o get_header_cpio.o
 lib-$(CONFIG_TAR)                       += get_header_tar.o
@@ -60,7 +60,7 @@
 lib-$(CONFIG_FEATURE_SEAMLESS_BZ2)      += open_transformer.o decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_SEAMLESS_LZMA)     += open_transformer.o decompress_unlzma.o
 lib-$(CONFIG_FEATURE_SEAMLESS_XZ)       += open_transformer.o decompress_unxz.o
-lib-$(CONFIG_FEATURE_COMPRESS_USAGE)    += decompress_bunzip2.o
+lib-$(CONFIG_FEATURE_COMPRESS_USAGE)    += open_transformer.o decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_COMPRESS_BBCONFIG) += decompress_bunzip2.o
 lib-$(CONFIG_FEATURE_TAR_TO_COMMAND)    += data_extract_to_command.o
 
diff --git a/editors/sed.c b/editors/sed.c
index 4e9babb..3ee8edc 100644
--- a/editors/sed.c
+++ b/editors/sed.c
@@ -743,7 +743,7 @@
 		 */
 		if (!G.regmatch[0].rm_so && !G.regmatch[0].rm_eo && match_count) {
 			pipe_putc(*line++);
-			continue;
+			goto next;
 		}
 
 		match_count++;
@@ -755,7 +755,7 @@
 		) {
 			for (i = 0; i < G.regmatch[0].rm_eo; i++)
 				pipe_putc(*line++);
-			continue;
+			goto next;
 		}
 
 		/* print everything before the match */
@@ -773,7 +773,7 @@
 		/* if we're not doing this globally, get out now */
 		if (sed_cmd->which_match != 0)
 			break;
-
+ next:
 		if (*line == '\0')
 			break;
 
diff --git a/findutils/find.c b/findutils/find.c
index fc0fc5c..0ec5bdf 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -831,6 +831,11 @@
 	                        PARM_name      ,
 	                        PARM_iname     ,
 	IF_FEATURE_FIND_PATH(   PARM_path      ,)
+#if ENABLE_DESKTOP
+	/* -wholename is a synonym for -path */
+	/* We support it because Linux kernel's "make tags" uses it */
+	IF_FEATURE_FIND_PATH(   PARM_wholename ,)
+#endif
 	IF_FEATURE_FIND_PATH(   PARM_ipath     ,)
 	IF_FEATURE_FIND_REGEX(  PARM_regex     ,)
 	IF_FEATURE_FIND_TYPE(   PARM_type      ,)
@@ -869,6 +874,9 @@
 	                         "-name\0"
 	                         "-iname\0"
 	IF_FEATURE_FIND_PATH(   "-path\0"   )
+#if ENABLE_DESKTOP
+	IF_FEATURE_FIND_PATH(   "-wholename\0")
+#endif
 	IF_FEATURE_FIND_PATH(   "-ipath\0"  )
 	IF_FEATURE_FIND_REGEX(  "-regex\0"  )
 	IF_FEATURE_FIND_TYPE(   "-type\0"   )
@@ -1076,7 +1084,7 @@
 			ap->iname = (parm == PARM_iname);
 		}
 #if ENABLE_FEATURE_FIND_PATH
-		else if (parm == PARM_path || parm == PARM_ipath) {
+		else if (parm == PARM_path IF_DESKTOP(|| parm == PARM_wholename) || parm == PARM_ipath) {
 			action_path *ap;
 			dbg("%d", __LINE__);
 			ap = ALLOC_ACTION(path);
diff --git a/libbb/lineedit.c b/libbb/lineedit.c
index db84167..b89748a 100644
--- a/libbb/lineedit.c
+++ b/libbb/lineedit.c
@@ -1352,8 +1352,7 @@
 		/* fill temp_h[], retaining only last MAX_HISTORY lines */
 		memset(temp_h, 0, sizeof(temp_h));
 		idx = 0;
-		if (!ENABLE_FEATURE_EDITING_SAVE_ON_EXIT)
-			st_parm->cnt_history_in_file = 0;
+		st_parm->cnt_history_in_file = 0;
 		while ((line = xmalloc_fgetline(fp)) != NULL) {
 			if (line[0] == '\0') {
 				free(line);
@@ -1361,8 +1360,7 @@
 			}
 			free(temp_h[idx]);
 			temp_h[idx] = line;
-			if (!ENABLE_FEATURE_EDITING_SAVE_ON_EXIT)
-				st_parm->cnt_history_in_file++;
+			st_parm->cnt_history_in_file++;
 			idx++;
 			if (idx == st_parm->max_history)
 				idx = 0;
diff --git a/loginutils/getty.c b/loginutils/getty.c
index afb411b..bbb5a96 100644
--- a/loginutils/getty.c
+++ b/loginutils/getty.c
@@ -561,8 +561,14 @@
 		 */
 		fd = open("/dev/tty", O_RDWR | O_NONBLOCK);
 		if (fd >= 0) {
+			/* TIOCNOTTY sends SIGHUP to the foreground
+			 * process group - which may include us!
+			 * Make sure to not die on it:
+			 */
+			sighandler_t old = signal(SIGHUP, SIG_IGN);
 			ioctl(fd, TIOCNOTTY);
 			close(fd);
+			signal(SIGHUP, old);
 		}
 	}
 
diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index 0a34122..c4829a5 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -661,37 +661,45 @@
 static void load_firmware(const char *firmware, const char *sysfs_path)
 {
 	int cnt;
-	int firmware_fd, loading_fd, data_fd;
+	int firmware_fd, loading_fd;
 
 	/* check for /lib/firmware/$FIRMWARE */
 	xchdir("/lib/firmware");
-	firmware_fd = xopen(firmware, O_RDONLY);
-
-	/* in case we goto out ... */
-	data_fd = -1;
+	firmware_fd = open(firmware, O_RDONLY); /* can fail */
 
 	/* check for /sys/$DEVPATH/loading ... give 30 seconds to appear */
 	xchdir(sysfs_path);
 	for (cnt = 0; cnt < 30; ++cnt) {
 		loading_fd = open("loading", O_WRONLY);
-		if (loading_fd != -1)
+		if (loading_fd >= 0)
 			goto loading;
 		sleep(1);
 	}
 	goto out;
 
  loading:
-	/* tell kernel we're loading by "echo 1 > /sys/$DEVPATH/loading" */
-	if (full_write(loading_fd, "1", 1) != 1)
-		goto out;
+	cnt = 0;
+	if (firmware_fd >= 0) {
+		int data_fd;
 
-	/* load firmware into /sys/$DEVPATH/data */
-	data_fd = open("data", O_WRONLY);
-	if (data_fd == -1)
-		goto out;
-	cnt = bb_copyfd_eof(firmware_fd, data_fd);
+		/* tell kernel we're loading by "echo 1 > /sys/$DEVPATH/loading" */
+		if (full_write(loading_fd, "1", 1) != 1)
+			goto out;
 
-	/* tell kernel result by "echo [0|-1] > /sys/$DEVPATH/loading" */
+		/* load firmware into /sys/$DEVPATH/data */
+		data_fd = open("data", O_WRONLY);
+		if (data_fd < 0)
+			goto out;
+		cnt = bb_copyfd_eof(firmware_fd, data_fd);
+		if (ENABLE_FEATURE_CLEAN_UP)
+			close(data_fd);
+	}
+
+	/* Tell kernel result by "echo [0|-1] > /sys/$DEVPATH/loading"
+	 * Note: we emit -1 if firmware file wasn't found.
+	 * There are cases when otherwise kernel would wait for minutes
+	 * before timing out.
+	 */
 	if (cnt > 0)
 		full_write(loading_fd, "0", 1);
 	else
@@ -701,7 +709,6 @@
 	if (ENABLE_FEATURE_CLEAN_UP) {
 		close(firmware_fd);
 		close(loading_fd);
-		close(data_fd);
 	}
 }
 
diff --git a/util-linux/volume_id/ext.c b/util-linux/volume_id/ext.c
index b5194a7..aa23d1e 100644
--- a/util-linux/volume_id/ext.c
+++ b/util-linux/volume_id/ext.c
@@ -39,10 +39,50 @@
 	uint8_t	volume_name[16];
 } PACKED;
 
-#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x00000004
-#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x00000008
 #define EXT_SUPERBLOCK_OFFSET			0x400
 
+/* for s_flags */
+#define EXT2_FLAGS_TEST_FILESYS			0x0004
+
+/* for s_feature_compat */
+#define EXT3_FEATURE_COMPAT_HAS_JOURNAL		0x0004
+
+/* for s_feature_ro_compat */
+#define EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER	0x0001
+#define EXT2_FEATURE_RO_COMPAT_LARGE_FILE	0x0002
+#define EXT2_FEATURE_RO_COMPAT_BTREE_DIR	0x0004
+#define EXT4_FEATURE_RO_COMPAT_HUGE_FILE	0x0008
+#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM		0x0010
+#define EXT4_FEATURE_RO_COMPAT_DIR_NLINK	0x0020
+#define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE	0x0040
+
+/* for s_feature_incompat */
+#define EXT2_FEATURE_INCOMPAT_FILETYPE		0x0002
+#define EXT3_FEATURE_INCOMPAT_RECOVER		0x0004
+#define EXT3_FEATURE_INCOMPAT_JOURNAL_DEV	0x0008
+#define EXT2_FEATURE_INCOMPAT_META_BG		0x0010
+#define EXT4_FEATURE_INCOMPAT_EXTENTS		0x0040 /* extents support */
+#define EXT4_FEATURE_INCOMPAT_64BIT		0x0080
+#define EXT4_FEATURE_INCOMPAT_MMP		0x0100
+#define EXT4_FEATURE_INCOMPAT_FLEX_BG		0x0200
+
+#define EXT2_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+					 EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT2_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT2_FEATURE_INCOMPAT_UNSUPPORTED	~EXT2_FEATURE_INCOMPAT_SUPP
+#define EXT2_FEATURE_RO_COMPAT_UNSUPPORTED	~EXT2_FEATURE_RO_COMPAT_SUPP
+
+#define EXT3_FEATURE_RO_COMPAT_SUPP	(EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER| \
+					 EXT2_FEATURE_RO_COMPAT_LARGE_FILE| \
+					 EXT2_FEATURE_RO_COMPAT_BTREE_DIR)
+#define EXT3_FEATURE_INCOMPAT_SUPP	(EXT2_FEATURE_INCOMPAT_FILETYPE| \
+					 EXT3_FEATURE_INCOMPAT_RECOVER| \
+					 EXT2_FEATURE_INCOMPAT_META_BG)
+#define EXT3_FEATURE_INCOMPAT_UNSUPPORTED	~EXT3_FEATURE_INCOMPAT_SUPP
+#define EXT3_FEATURE_RO_COMPAT_UNSUPPORTED	~EXT3_FEATURE_RO_COMPAT_SUPP
+
 int FAST_FUNC volume_id_probe_ext(struct volume_id *id /*,uint64_t off*/)
 {
 #define off ((uint64_t)0)
@@ -66,11 +106,15 @@
 	dbg("ext: label '%s' uuid '%s'", id->label, id->uuid);
 
 #if ENABLE_FEATURE_BLKID_TYPE
-	if ((le32_to_cpu(es->feature_compat) & EXT3_FEATURE_COMPAT_HAS_JOURNAL) != 0)
+	if ((es->feature_ro_compat & cpu_to_le32(EXT4_FEATURE_RO_COMPAT_HUGE_FILE | EXT4_FEATURE_RO_COMPAT_DIR_NLINK))
+	 || (es->feature_incompat & cpu_to_le32(EXT4_FEATURE_INCOMPAT_EXTENTS | EXT4_FEATURE_INCOMPAT_64BIT))
+	) {
+		id->type = "ext4";
+	}
+	else if (es->feature_compat & cpu_to_le32(EXT3_FEATURE_COMPAT_HAS_JOURNAL))
 		id->type = "ext3";
 	else
 		id->type = "ext2";
 #endif
-
 	return 0;
 }