Get rid of errors by using grep -E

"egrep: warning: egrep is obsolescent; using grep -E"

scripts/beesd.in

@@ -31,20 +31,18 @@ help(){
     exec "$bees_bin" --help
 }
 
-get_bees_supp_opts(){
-    "$bees_bin" --help |& awk '/--../ { gsub( ",", "" ); print $1 " " $2}'
-}
-
-SUPPORTED_ARGS=(
-    $(get_bees_supp_opts)
-)
+for i in $("$bees_bin" --help 2>&1 | grep -E "--" | sed -e "s/^[^-]*-/-/" -e "s/,[^-]*--/ --/" -e "s/ [^-]*$//")
+do
+   TMP_ARGS="$TMP_ARGS $i"
+done
+IFS=" " read -r -a SUPPORTED_ARGS <<< $TMP_ARGS
 NOT_SUPPORTED_ARGS=()
 ARGUMENTS=()
 
 for arg in "${@}"; do
     supp=false
     for supp_arg in "${SUPPORTED_ARGS[@]}"; do
-        if [ "$arg" == "$supp_arg" ]; then
+        if [[ "$arg" == ${supp_arg}* ]]; then
             supp=true
             break
         fi
@@ -73,7 +71,7 @@ done
 [ -z "$UUID" ] && help
 
 
-FILE_CONFIG="$(egrep -l '^[^#]*UUID\s*=\s*"?'"$UUID" "$CONFIG_DIR"/*.conf | head -1)"
+FILE_CONFIG="$(grep -E -l '^[^#]*UUID\s*=\s*"?'"$UUID" "$CONFIG_DIR"/*.conf | head -1)"
 [ ! -f "$FILE_CONFIG" ] && ERRO "No config for $UUID"
 INFO "Find $UUID in $FILE_CONFIG, use as conf"
 source "$FILE_CONFIG"

src/Makefile

@@ -1,9 +1,5 @@
 BEES = ../bin/bees
 PROGRAMS = \
-	../bin/bees \
-	../bin/btrsame \
-	../bin/clone-cat \
-	../bin/clone-split \
 	../bin/fiemap \
 	../bin/fiewalk \
 
@@ -63,14 +59,5 @@ $(PROGRAMS): ../lib/libcrucible.a
 $(BEES): $(BEES_OBJS) bees-version.o bees-usage.o ../lib/libcrucible.a
 	$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)
 
-../bin/btrsame: btrsame.o
-	$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)
-
-../bin/clone-cat: clone-cat.o
-	$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)
-
-../bin/clone-split: clone-split.o
-	$(CXX) $(BEES_CXXFLAGS) $(BEES_LDFLAGS) -o $@ $^ $(LIBS)
-
 clean:
 	rm -fv *.o bees-version.c

src/btrsame.cc

@@ -1,263 +0,0 @@
-#include "crucible/error.h"
-#include "crucible/fd.h"
-#include "crucible/fs.h"
-#include "crucible/string.h"
-#include "crucible/time.h"
-
-#include <algorithm>
-#include <cassert>
-#include <cmath>
-#include <cstring>
-#include <iostream>
-#include <set>
-
-#ifndef _GNU_SOURCE
-#define _GNU_SOURCE             /* for readahead() */
-#endif
-#include <fcntl.h>
-
-#include <sys/stat.h>
-#include <unistd.h>
-
-using namespace crucible;
-using namespace std;
-
-#define EXTENT_SAME_CLASS BtrfsExtentSame
-static const bool ALWAYS_ALIGN = false;
-static const bool OPEN_RDONLY = true;
-
-static const int EXTENT_ALIGNMENT = 4096;
-
-// const off_t max_step_size = BTRFS_MAX_DEDUPE_LEN;
-// btrfs maximum extent size is 128M, there is nothing to gain by going larger;
-// however, going smaller will create a bunch of adjacent split extent refs.
-const off_t max_step_size = 128 * 1024 * 1024;
-
-// Not a good idea to go below 4K
-const off_t min_step_size = 4096;
-
-struct PhysicalBlockRange {
-	uint64_t m_start, m_end;
-
-	PhysicalBlockRange(int fd, uint64_t offset, uint64_t len = 4096);
-};
-
-PhysicalBlockRange::PhysicalBlockRange(int fd, uint64_t offset, uint64_t len) :
-	m_start(0), m_end(0)
-{
-	Fiemap emap(offset, len);
-	emap.do_ioctl(fd);
-
-	if (emap.m_extents.empty()) {
-		// No extents in range, we are in a hole after the last extent
-		m_start = 0;
-		m_end = len;
-		return;
-	}
-
-	const FiemapExtent &fe = emap.m_extents.at(0);
-
-	if (offset < fe.fe_logical) {
-		// Extent begins after offset, we are in a hole before the extent
-		m_start = 0;
-		m_end = fe.fe_logical - offset;
-		return;
-	}
-
-	// TODO:  reject preallocated and delallocated extents too
-	// TODO:  well preallocated might be OK for dedup
-
-	uint64_t extent_offset = offset - fe.fe_logical;
-
-	m_start = fe.fe_physical + extent_offset;
-	uint64_t phys_length = fe.fe_length - extent_offset;
-	m_end = m_start + phys_length;
-}
-
-static
-bool
-verbose()
-{
-	static bool done = false;
-	static bool verbose;
-	if (!done) {
-		verbose = getenv("BTRSAME_VERBOSE");
-		done = true;
-	}
-	return verbose;
-}
-
-static
-string
-pretty(double d)
-{
-	static const char * units[] = { "", "K", "M", "G", "T", "P", "E" };
-	static const char * *units_stop = units + sizeof(units) / sizeof(units[0]) - 1;
-	const char * *unit = units;
-	while (d >= 1024 && unit < units_stop) {
-		d /= 1024;
-		++unit;
-	}
-	ostringstream oss;
-	oss << (round(d * 1000.0) / 1000.0) << *unit;
-	return oss.str();
-}
-
-static
-void
-bees_same_file(Fd incumbent_fd, Fd candidate_fd)
-{
-	Stat incumbent_stat(incumbent_fd);
-	Stat candidate_stat(candidate_fd);
-	off_t common_size = min(incumbent_stat.st_size, candidate_stat.st_size);
-
-	// If we are using clone instead of extent-same then we can ignore
-	// the alignment restriction for the last block of the dest file.
-	// This only works when both files are the same size.
-	if (ALWAYS_ALIGN || candidate_stat.st_size != incumbent_stat.st_size) {
-		common_size &= ~(EXTENT_ALIGNMENT - 1);
-	}
-
-	if (verbose()) {
-		cerr << "A size " << incumbent_stat.st_size << ", B size " << candidate_stat.st_size << ", common size " << common_size << endl;
-	}
-
-	off_t total_deduped = 0;
-	int status_ok = 0, status_err = 0, status_different = 0;
-	off_t step_size = max_step_size;
-	uint64_t total_differences = 0;
-	uint64_t total_shared = 0;
-	uint64_t total_holes = 0;
-
-	bool fatal_error = false;
-
-	vector<uint8_t> silly_buffer(max_step_size);
-
-	off_t p;
-	off_t len = 0;
-	ostringstream oss;
-	Timer elapsed;
-	Timer timer;
-	for (p = 0; p < common_size && !fatal_error; ) {
-		off_t this_step_size = step_size;
-		len = min(common_size - p, step_size);
-
-		if (timer > 1.0) {
-			cerr << oss.str() << flush;
-			timer.reset();
-		}
-		oss.str("");
-		oss << "\r"
-			<< "total " << pretty(common_size)
-			<< (total_deduped ? " **DUP** " : " dup ") << pretty(total_deduped)
-			<< " diff " << pretty(total_differences)
-			<< " shared " << pretty(total_shared)
-			<< " holes " << pretty(total_holes)
-			<< " off " << pretty(p)
-			<< " len " << pretty(len)
-			<< " elapsed " << elapsed
-			<< "   \b\b\b";
-
-		PhysicalBlockRange incumbent_pbr(incumbent_fd, p, len);
-		PhysicalBlockRange candidate_pbr(candidate_fd, p, len);
-
-		if (incumbent_pbr.m_start == candidate_pbr.m_start) {
-			off_t shared_len = min(incumbent_pbr.m_end - incumbent_pbr.m_start, candidate_pbr.m_end - candidate_pbr.m_start);
-			this_step_size = max(min_step_size, min(shared_len, common_size - p));
-			total_shared += this_step_size;
-			len = shared_len;
-			// At this point, if we see anything shared, it's because we already deduped the whole thing
-			// unless it's a hole.  We do have those.
-			if (!incumbent_pbr.m_start) {
-				total_holes += shared_len;
-			}
-		} else {
-
-			DIE_IF_MINUS_ONE(readahead(incumbent_fd, p, len));
-			DIE_IF_MINUS_ONE(readahead(candidate_fd, p, len));
-			// The above kernel calls request readahead, same as posix_fadvise ... MADV_WILLNEED
-			// but in btrfs the readahead iops are scheduled at idle priority.
-			// This is not what we want, so here we can use read to force non-idle priority
-			// (or just use a scheduler that doesn't support io priority).
-			// DIE_IF_MINUS_ONE(pread(incumbent_fd, silly_buffer.data(), len, p));
-			// DIE_IF_MINUS_ONE(pread(candidate_fd, silly_buffer.data(), len, p));
-
-			EXTENT_SAME_CLASS bes(incumbent_fd, p, len);
-			bes.add(candidate_fd, p);
-			bes.do_ioctl();
-
-			// Don't need it any more, might either speed up page reclaim, or
-			// make us block waiting for writeback.
-			DIE_IF_MINUS_ONE(posix_fadvise(incumbent_fd, p, len, POSIX_FADV_DONTNEED));
-			DIE_IF_MINUS_ONE(posix_fadvise(candidate_fd, p, len, POSIX_FADV_DONTNEED));
-
-			int status = bes.m_info[0].status;
-
-			if (status == 0) {
-				++status_ok;
-				total_deduped += bes.m_info[0].bytes_deduped;
-				if (step_size * 2 <= max_step_size) {
-					step_size *= 2;
-				}
-			} else {
-				if (status < 0) {
-					oss << " (" << strerror(-status) << ", errno = " << -status << ")" << endl;
-					++status_err;
-					switch (-status) {
-						case EXDEV:
-							oss << " (fatal error, paths are not on the same mount point?)" << endl;
-							return;
-					}
-				} else if (status == BTRFS_SAME_DATA_DIFFERS) {
-					++status_different;
-				} else {
-					++status_err;
-				}
-				if (step_size > min_step_size) {
-					step_size = min_step_size;
-					continue;
-				} else {
-					total_differences += step_size;
-				}
-			}
-		}
-
-		p += len;
-	}
-	cerr << oss.str() << "\r"
-		<< "total " << pretty(common_size)
-		<< (total_deduped ? " **DUP** " : " dup ") << pretty(total_deduped)
-		<< " diff " << pretty(total_differences)
-		<< " shared " << pretty(total_shared)
-		<< " holes " << pretty(total_holes)
-		<< " off " << pretty(p)
-		<< " len " << pretty(len)
-		<< " elapsed " << elapsed
-		<< "     "
-		<< endl;
-}
-
-int
-main(int argc, char **argv)
-{
-	if (argc != 3) {
-		cerr << "Usage: " << argv[0] << " file1 file2" << endl;
-		cerr << "Uses the BTRFS_EXTENT_SAME ioctl to deduplicate file1 and file2" << endl;
-		exit(EXIT_FAILURE);
-	}
-
-	if (verbose()) {
-		cerr << "A: " << argv[1] << endl;
-	}
-	Fd incumbent_fd = open_or_die(argv[1], O_RDONLY);
-
-	if (verbose()) {
-		cerr << "B: " << argv[2] << endl;
-	}
-	Fd candidate_fd = open_or_die(argv[2], OPEN_RDONLY ? O_RDONLY : O_RDWR);
-
-	bees_same_file(incumbent_fd, candidate_fd);
-
-	// any run that doesn't end with terminate() is success,
-	return EXIT_SUCCESS;
-}

src/clone-cat.cc

@@ -1,35 +0,0 @@
-#include "crucible/error.h"
-#include "crucible/fd.h"
-#include "crucible/fs.h"
-
-using namespace crucible;
-using namespace std;
-
-int
-main(int argc, char **argv)
-{
-	if (argc <= 2) {
-		cerr << "Usage: " << argv[0] << " FILE1 FILE2 [...FILEn] > OUTFILE" << endl;
-		cerr << "Catenates FILE1..FILEN using copy_file_range" << endl;
-		return EXIT_FAILURE;
-	}
-
-	off_t out_pos = 0;
-
-	while (*++argv) {
-		string filename(*argv);
-
-		Fd input_fd = open_or_die(filename, O_RDONLY);
-
-		Stat st(input_fd);
-
-		off_t len = st.st_size;
-
-		cerr << "clone_range(" << filename << ", 0, " << len << ", STDOUT_FILENO, " << out_pos << ")" << flush;
-		btrfs_clone_range(input_fd, 0, len, STDOUT_FILENO, out_pos);
-		out_pos += len;
-		cerr << endl;
-	}
-
-	return EXIT_SUCCESS;
-}

src/clone-split.cc

@@ -1,35 +0,0 @@
-#include "crucible/error.h"
-#include "crucible/fd.h"
-#include "crucible/fs.h"
-
-using namespace crucible;
-using namespace std;
-
-int
-main(int argc, char **argv)
-{
-	if (argc != 3) {
-		cerr << "Usage: " << argv[0] << " FILE SIZE" << endl;
-		cerr << "Splits FILE into SIZE-byte pieces using copy_file_range" << endl;
-	}
-
-	string filename(argv[1]);
-	off_t out_size(stoull(argv[2], 0, 0));
-
-	Fd input_fd = open_or_die(filename, O_RDONLY);
-
-	Stat st(input_fd);
-
-	for (off_t pos = 0; pos < st.st_size; pos += out_size) {
-		char pos_name[64];
-		off_t len = min(st.st_size - pos, out_size);
-		snprintf(pos_name, sizeof(pos_name), "0x%016llx", static_cast<long long>(pos));
-		string out_name = filename + '.' + pos_name;
-		cout << out_name << flush;
-		Fd output_fd = open_or_die(out_name, O_WRONLY | O_EXCL | O_CREAT);
-		btrfs_clone_range(input_fd, pos, len, output_fd, 0);
-		cout << endl;
-	}
-
-	return 0;
-}