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With the "--relative --symbolic" options, ln computes the relative
symbolic link for the user.
So, ln works just as cp, but creates relative symbolic links instead
of copying the file.
I miss this feature since the beginning of using ln.
$ tree ./
/
`-- usr
|-- bin
`-- lib
`-- foo
`-- foo
4 directories, 1 file
$ ln -s -v --relative usr/lib/foo/foo usr/bin/foo
‘usr/bin/foo’ -> ‘../lib/foo/foo’
$ tree ./
/
`-- usr
|-- bin
| `-- foo -> ../lib/foo/foo
`-- lib
`-- foo
`-- foo
4 directories, 2 files
$ ln -s -v --relative usr/bin/foo usr/lib/foo/link-to-foo
‘usr/lib/foo/link-to-foo’ -> ‘foo’
$ tree ./
/
`-- usr
|-- bin
| `-- foo -> ../lib/foo/foo
`-- lib
`-- foo
|-- link-to-foo -> foo
`-- foo
4 directories, 3 files
* src/Makefile.am: Reference the relpath module.
* src/ln.c (usage): Mention the new option.
(do_link): Call the relative conversion if specified.
(convert_abs_rel): Perform the relative conversion
using the relpath module.
* tests/ln/relative: Add a new test.
* tests/Makefile.am: Reference the new test.
* doc/coreutils.texi: Document the new feature.
* NEWS: Mention the new feature.
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* tests/misc/factor: Map OpenBSD 5.1's "unknown option" to our
expected "invalid option". Reported by Bruno Haible.
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* tests/dd/sparse: Allow for greater variation in sparse-block counts.
Reported by Nelson H. F. Beebe and Bruno Haible.
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* tests/misc/sort-discrim: The expr limit is intmax_t without GMP.
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* tests/misc/ls-time: Force a ctime update as updating
the atime doesn't update ctime on tmpfs on Solaris 10.
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Most of the time, if someone wants to filter which paths are
relative while leaving all others absolute, they also want to
to the filtering based on the same --relative-to directory.
Make this easier to specify.
* src/realpath.c (main): Convert error to default.
* doc/coreutils.texi (realpath invocation): Document this.
* tests/misc/realpath: Adjust test to match.
* NEWS: Document it.
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'realpath --relative-base --relative-to' is identical to
--relative-base=--relative-to, so the test wasn't covering what
it claimed. Expose recent fixes for handling of // on systems
where // is distinct, and for --relative-base=/. Add test that
exposes our design decision that --relative-base that is not a
prefix of --relative-to is a no-op (if we later change behavior,
we will also have to change that part of the test).
* tests/misc/realpath: Fix typo. Add some tests.
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https://lists.gnu.org/archive/html/bug-gnulib/2012-02/msg00038.html
detailed a couple of bugs in gnulib's canonicalize that were visible
through coreutils' readlink, but only on systems where // is distinct
from /. This particular test assumes the POSIX fix which requires
canonicalization of a symlink containing just slashes to behave as
if slashes separating the symlink from the rest of the name are
elided (see http://austingroupbugs.net/view.php?id=541), as that is
the only useful (and current) behavior on Cygwin. That is,
ln -s / root
ls root/dev
must list the contents of /dev, not //dev.
* tests/misc/readlink-root: New test.
* tests/Makefile.am (TESTS): Run it.
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* tests/Makefile.am (TESTS): Add misc/sort-discrim.
* tests/misc/sort-discrim: New file, which tests a discriminator-based
implementation of 'sort'. Coreutils doesn't use this implementation
yet, but the test is useful anyway.
Co-authored-by: Drew Kutilek <dkutilek@ucla.edu>
Co-authored-by: James Wendt <jwendt@cs.ucla.edu>
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* src/dirname.c (main): Handle new -z option and manage more than one
argument.
* doc/coreutils.texi (dirname invocation): Mention it.
* NEWS (New features): Mention it.
* tests/misc/dirname: Add a two arguments test.
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* src/split.c (next_file_name): If `suffix_auto' is true and the first
suffix character is 'z', generate a new file file name adding `z' to
the prefix and increasing the suffix length by one.
(set_suffix_length): Disable auto suffix width in various cases.
* tests/split/suffix-auto-length: Test it.
* doc/coreutils.texi (split invocation): Mention it.
* NEWS (Improvements): Likewise.
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* NEWS: Document this.
* doc/perm.texi (Operator Numeric Modes): New section.
(Numeric Modes, Directory Setuid and Setgid): Document new behavior.
* src/chmod.c (usage): Document new behavior.
(main): Support new options -0, -1, etc.
* tests/chmod/setgid: Test these new features.
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Surprise! "du -x non-DIR" would print nothing.
Note that the problem arises only when processing a non-directory
specified on the command line. Not surprisingly, "du -x" still
works as expected for any directory argument.
When performing its same-file-system check, du may skip an entry
only if it is at fts_level 1 or greater. Command-line arguments
are at fts_level == 0 (FTS_ROOTLEVEL).
* src/du.c (process_file): Don't use the top-level FTS->fts_dev
when testing for --one-file-system (-x). It happens to be valid
for directories, but it is always 0 for a non-directory.
* tests/du/one-file-system: Add tests for this.
* NEWS (Bug fixes): Mention it.
Reported by Daniel Stavrovski in http://bugs.gnu.org/10967.
Introduced by commit v8.14-95-gcfe1040.
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* src/basename.c (perform_basename): New function refactored from
main() that performs the basename work on a STRING, optionally
removes a trailing SUFFIX and outputs the result.
(main): Handle new options.
* doc/coreutils.texi (basename invocation): Mention new options.
* test/misc/basename: Add new options test cases.
* NEWS (New features): Mention it.
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Prompted by the continuous integration build failure at:
http://hydra.nixos.org/build/2188210 (which uses XFS).
* tests/dd/sparse (alloc_equal): Add a block allocation
comparison function that accounts for variations due
to alignment.
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* tests/ls/getxattr-speedup: Compile and link in one step with $CC.
If the shared object file is created by ld (binutils), then the
destructor print_call_count() may not run (seen on OpenSuSE 12.1).
See http://lists.opensuse.org/opensuse/2012-02/msg01342.html
Thanks to Cristian Rodríguez.
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Notes:
Small seeks are not coalesced to larger ones,
like is done in cache_round() for example.
conv= is used rather then oflag= for FreeBSD compatibility.
* src/dd.c (final_op_was_seek): A new global boolean to flag
whether the final "write" was converted to a seek.
(usage): Describe the new conf=sparse option.
(iwrite): Convert a write of a NUL block to a seek if requested.
(do_copy): Initialize the output buffer to have a sentinel,
to allow for efficient testing for NUL output blocks.
If the last block in the file was converted to a seek,
then convert back to a write so the size is updated.
* NEWS: Mention the new feature.
* tests/dd/sparse: A new test for the feature.
* tests/Makefile.am: Reference the new test.
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* tests/misc/help-version: Remove the $EXEEXT suffix from each
program name before comparing with a literal.
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* tests/ls/getxattr-speedup: Remove unneeded use of -lc.
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Add the --additional-suffix option, to append an
additional static suffix to output file names.
* src/split.c (next_file_name): Append suffix to output file names.
(main): Handle new --additional-suffix option.
* NEWS (New features): Mention it.
* doc/coreutils.texi (split invocation): Mention it.
* tests/split/additional-suffix: New file. Test --additional-suffix.
* tests/Makefile.am (TESTS): Add it.
Requested by Peng Yu, in bug 6554
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Modern <stdio.h> provides ssize_t, but the one from Debian's
libc6-dev 2.11.2-10 apparently does not.
* tests/ls/getxattr-speedup: Also include <sys/types.h>.
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* tests/ls/getxattr-speedup: New test.
* tests/Makefile.am (TESTS): Add it.
Improved-by: Bernhard Voelker
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Allow changing the --numeric-suffixes start number
from the default of 0.
* src/split.c (next_file_name): Initialize the suffix index
and the output filename according to start value.
(main): Check that the suffix length is large enough for the
numerical suffix start value.
* doc/coreutils.texi (split invocation): Mention it.
* NEWS (New features): Mention it.
* tests/split/numeric: New file. Test --numeric-suffixes[=FROM].
* tests/Makefile.am (TESTS): Reference the new test.
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These edge cases were missed in the previous commit 140eca15c.
* src/dd.c (main): Include the bytes slop when truncating
without further I/O. Don't invalidate the whole file cache
in the case where 0 < count < ibs.
* tests/dd/bytes: Change to using the independent truncate
command to generate the file for comparison. Remove a redundant
test case and replace with one testing the truncation only logic.
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dd now accepts the count_bytes and skip_bytes input flag and the
seek_bytes output flag, to more easily allow processing portions of a
file.
* src/dd.c (scanargs): Compute skip_records and skip_bytes when
'skip_bytes' iflag is used. Compute max_records and max_bytes when
'count_bytes' iflag is used. Compute seek_records and seek_bytes
when 'seek_bytes' oflag is used.
(skip_via_lseek): Use new 'bytes' parameter and handle potential
'records' equals to zero. Update the bytes parameter when called with
'fdesc' equal to STDOUT_FILENO. Update the header comments.
(dd_copy): Skip accordingly to skip_records AND skip_bytes. Count
accordingly to max_records AND max_bytes. Seek on output accordingly
to seek_records AND seek_bytes.
* NEWS (New features): Mention it.
* doc/coreutils.texi (dd invocation): Detail new flags and behaviors.
* tests/dd/bytes: New file. Tests for these new flags.
* tests/Makefile.am (TESTS): Add it.
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But only when both A and B were hard links to the same symlink.
* src/copy.c (same_file_ok): Handle another special case: the one
in which we are moving a symlink onto a hard link to itself.
In this case, we must explicitly tell the caller to unlink the
source file. Otherwise, at least the linux-3.x kernel rename
function would do nothing, as mandated by POSIX 2008.
* tests/mv/symlink-onto-hardlink-to-self: New test.
* tests/Makefile.am (TESTS): Add it.
* NEWS (Bug fixes): Mention it.
Reported by Bernhard Voelker in http://bugs.gnu.org/10686
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Normally, mv detects a few subtle cases in which proceeding with a
same-file rename would, with very high probability, cause data loss.
Here, we have found a corner case in which one of these same-inode
tests makes mv refuse to perform a useful operation. Permit that
corner case.
* src/copy.c (same_file_ok): Detect/exempt this case.
* tests/mv/symlink-onto-hardlink: New test.
* tests/Makefile.am (TESTS): Add it.
* NEWS (Bug fixes): Mention it.
Initially reported by: Matt McCutchen in http://bugs.gnu.org/6960.
Raised again by Anders Kaseorg due to http://bugs.debian.org/654596.
Improved-by: Paul Eggert.
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Run "make update-copyright".
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* test/misc/stdbuf: Fixup the minor copy & paste issue
introduced in commit ff7f0ff8
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* tests/cp/sparse-fiemap: Don't use a separate check.
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* src/realpath.c (path_common_prefix): Be consistent and
always include a leading '/' in the count returned.
(relpath): Account for the change in path_common_prefix()
and avoid outputting extra '/' chars in relative paths that
span the root dir.
* tests/misc/realpath: Add the two reported cases.
Reported by Mike Frysinger
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Before init.sh and similar, we would set test=test_name, and then
construct temporary file names using $test. Now that each
init.sh-using test is in its own directory, that practice is unwelcome.
Remove bad examples.
* tests/rm/f-1: Per above.
* tests/rm/i-1: Likewise.
* tests/rm/interactive-always: Likewise.
* tests/rm/interactive-once: Likewise.
* tests/rm/ir-1: Likewise.
* tests/rm/r-1: Likewise.
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* doc/coreutils.texi (Formatting the file names):
coreutils now quotes 'like this'.
* man/help2man:
* src/timeout.c (usage): Quote 'like this' in diagnostics.
* HACKING, Makefile.am, NEWS, README, README-hacking, TODO, cfg.mk:
* doc/Makefile.am, doc/coreutils.texi, m4/jm-macros.m4:
* man/Makefile.am, man/help2man, src/Makefile.am, src/copy.h:
* src/extract-magic, src/ls.c, src/pinky.c, src/pr.c, src/sort.c:
* src/split.c, src/timeout.c, src/who.c, tests/dd/skip-seek-past-file:
* tests/pr/pr-tests: Quote 'like this' in commentary.
* cfg.mk (old_NEWS_hash): Update due to changed old NEWS.
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* src/csplit.c (parse_repeat_count, extract_regexp): As above.
* src/date.c (main): Likewise.
* src/ls.c (decode_switches): Likewise.
* src/od.c (decode_one_format, main): Likewise.
* src/pathchk.c (no_leading_hyphen): Likewise.
* src/pr.c (main, getoptarg): Likewise.
* src/rm.c (diagnose_leading_hyphen): Likewise.
* src/sort.c (key_warnings, incompatible_options, main): Likewise.
* src/stat.c (print_esc_char): Print '\x', not `\x' in diagnostic.
* src/test.c (main): Likewise.
* src/touch.c (main): Likewise.
* src/tr.c (build_spec_list, validate, append_range): Likewise.
* tests/misc/mktemp: This is an unusual case, since the affected
string contains only the ` of an `...' string. So we change
the long ` to a lone '.
* tests/pr/pr-tests: Manual quote adapting fix-up.
* tests/ln/hard-to-sym: Likewise.
* tests/split/suffix-length: Likewise.
* tests/mv/part-fail: Likewise.
* tests/misc/chcon: Likewise.
* tests/misc/stat-printf: Likewise.
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Relax initial regexp to match more instances, but add a
filter to avoid some invalid conversions. Run this:
git grep -l "\`[^']*'" tests | xargs perl -pi -e '$q=q"'\''";' \
-e '$q="$q\\$q$q"; /(= ?\`|\`expr|\`echo|\Q$q\E)/ and next;' \
-e ' s/\`([^'\''"]*?'\'')/'\''$1/g'
The last disjunct in the above (...) filter is to exempt
any line that contains this string: '\''
With quoting like that, converting a ` to ' is likely to cause trouble,
so we'll handle those manually. Here are three examples where
the exemption is required:
*': `link-to-dir/'\'': hard link not allowed for directory'*) ;;
printf 'creating file `%s'\''\n' $f
'mv: inter-device move failed: `%s'\'' to `%s'\'';'\
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Exempt lines with '$' or '=', since those are prone to improper
conversion. Run this:
git grep -l "\`[^']*'" tests \
|xargs perl -pi -e '/[=\$]/ and next;s/\`([^'\''"]*?'\'')/'\''$1/g'
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Run this:
git grep -l "\\\\\`[^']*'" tests \
|xargs perl -pi -e 's/\\\`(.*?'\'')/'\''$1/g
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Automatically adjust both the source (now in only one place)
and all tests that expect the resulting output via this:
git grep -l 'Try.*--help' src/system.h tests \
| xargs perl -pi -e 's/Try \\?`(\S+ --help)/Try '\''$1/'
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* tests/misc/xstrtol: Use '...' to match new quoting in most places.
However, leave `9x' to match the sole comparison against output
from the quote function, which still uses `...'.
* tests/misc/sort-merge: Likewise, though here I had to leave
`...'-quoted output to match output from four tests.
* tests/pr/pr-tests: Convert a single `...' to '...'.
* gnulib: Update submodule to latest.
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* tests/misc/stty: Exclude 'icanon' for the list to check,
as it's problematic on ppc*|sparc* platforms.
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* tests/misc/sort-continue: Perform the glob before
the ulimit, as it was seen to make the glob fail
on bash 3.2 on Mac OS X 10.6.8 at least.
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* tests/misc/timeout-parameters: Verify that the timer doesn't
fire immediately in the problematic range, and avoid overflow
checks in that case.
* man/timeout.x: Mention the possible bug.
Reported by Bruno Haible
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* cfg.mk (sc_prohibit_short_facl_mode_spec): New rule.
* tests/cp/acl: Extend setfacl mode spec to have length 3.
* tests/ls/slink-acl: Likewise.
* tests/mv/acl: Likewise.
Report and analysis by Bruno Haible.
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* src/split.c (lines_chunk_split): Fix logic bug that led to
unwarranted failure of "split -n l/2 /dev/zero" on NetBSD 5.1.
The same would happen when splitting a growing file, where
open/lseek-end gives one size, but by the time we read, there
is more data available.
(bytes_chunk_extract): Likewise.
* NEWS (Bug fixes): Mention this.
* tests/split/l-chunk: The latter case was not exercised.
Add code to do that.
Bug introduced with the chunk-selecting feature in v8.7-25-gbe10739.
Co-authored-by: Jim Meyering <meyering@redhat.com>
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* tests/misc/realpath: Quote lhs of test ... = ..., so that
when $PWD contains a space (like it does via "make distcheck"),
the test does not fail
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This program is compatible with other realpath(1)
implementations, and also incorporates relpath like support,
through the --relative options. The relpath support
was suggested by Peng Yu, who also provided an initial
implemenation of that functionality.
* AUTHORS: Add my name.
* NEWS: Mention the new command.
* README: Likewise.
* doc/coreutils.texi (realpath invocation): Add realpath info.
* man/Makefile.am (realpath.1): Add dependency.
* man/realpath.x: New template.
* man/.gitignore: Ignore generated man page.
* po/POTFILES.in: Add src/realpath.c.
* src/.gitignore: Exclude realpath.
* src/Makefile.am (EXTRA_PROGRAMS): Add realpath.
* src/realpath.c: New file.
* scripts/git-hooks/commit-msg: Add realpath to the list of prefixes.
* tests/Makefile.am (TESTS): Add misc/realpath.
* tests/misc/realpath: New file.
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* tests/rm/many-dir-entries-vs-OOM: This test also exercises chmod.
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Run "make update-copyright".
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This file is special. We don't want to use a range,
but merely the current year number.
* tests/sample-test: s/2011/2012/
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* tests/check.mk (.built-programs): Depend on src/Makefile.am,
so that when we add a program, this file is updated, and the new
program is tested via misc/help-version. Spotted by Pádraig Brady.
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