With this patch, ",n" is an abbreviation for "1,n", ";n" abbreviates
".;n". The "n," and "n;" variants mean "n,n" and "n;n", respectively.
Also, piping to a shell command does not count as a save, so don't reset
the modified flag.
Obtained from: OpenBSD (CVS Rev. 1.58, 1.59)
If CDPATH is used non-trivially or the operand is "-", cd writes the
directory actually switched to. (We currently do this only in interactive
shells, but POSIX requires this in non-interactive shells as well.)
As mentioned in Austin group bug #1045, cd shall not return an error while
leaving the current directory changed. Therefore, ignore any write error.
While here, also add a check to verify that the link target
is updated in the testcase
MFC after: 1 month
MFC with: r320172
PR: 219943
Differential Revision: D11167
Submitted by: shivansh
Sponsored by: Google (GSoC 2017)
When '-F' option is used, the target directory needs to be unlinked.
Currently, the modified target ("target/source") is being unlinked, and
since it doesn't yet exist, the original target isn't removed.
This is fixed by skipping the block where target is modified to
"target/source" when '-F' option is set.
Hence, a symbolic link (with the same name as of the original target) to
the source_file is produced.
Update the test for ln(1) to reflect fix for option '-F'
MFC after: 1 month
PR: 219943
Differential Revision: D11167
Submitted by: shivansh
Sponsored by: Google (GSoC 2017)
The testcase fails today, so mark it with atf_expect_fail: in
particular, the target (B) isn't being unlinked and the documentation
doesn't suggest special handling for directories. Thus, there's either
a doc or an implementation bug in ln(1) that needs to be resolved.
MFC after: 1 month
MFC with: r319714, r319854, r319855
PR: 219943
Reviewed by: ngie
Submitted by: shivansh
Differential Revision: D11159 (part of a larger diff)
Sponsored by: Google, Inc (GSoC 2017)
file(1) can be compiled out of the system via MK_FILE == no, and the
output isn't guaranteed to be stable. It's better to use stat(1)/readlink(1)
instead to query symlink/file paths.
MFC after: 1 month
MFC with: r319714, r319854
Reported by: ngie
Submitted by: shivansh
Differential Revision: D11159 (part of a larger diff)
Sponsored by: Google, Inc (GSoC 2017)
* Verify that when creating a hard link to a symbolic link, '-L' option
creates a hard link to the target of the symbolic link
* Verify that when creating a hard link to a symbolic link, '-P' option
creates a hard link to the symbolic link itself
* Verify that if the target file already exists, '-f' option unlinks it so
that link may occur
* Verify that if the target file or directory is a symbolic link, '-shf'
option prevents following the link
* Verify that if the target file or directory is a symbolic link, '-snf'
option prevents following the link
* Verify that '-s' option creates a symbolic link
* Verify that '-w' option produces a warning if the source of a symbolic
link does not currently exist
Submitted by: shivansh
Reviewed by: asomers, ngie
MFC after: 1 month
Sponsored by: Google, Inc (GSoC 2017)
Differential Revision: https://reviews.freebsd.org/D11084
Starting the fc -e editor can execute arbitrary script, and executing
arbitrary script with INTOFF in effect may cause unexpected results.
This change (together with other changes) serves mainly to allow asserting
that INTOFF is not in effect when starting the evaluation of a node.
Verify that echo(1) does not...
- ... print the trailing newline character with option '-n'.
- ... print the trailing newline character when '\c' is appended to
the end of the string.
Submitted by: shivansh
Reviewed by: asomers, ngie
MFC after: 1 month
Sponsored by: Google, Inc (GSoC 2017)
Differential Revision: D11036
Split the postive and negative parts into separate test cases. The positive
test case can only run on ZFS, because only ZFS supports files that large.
PR: 219757
Reported by: ngie
MFC after: 18 days
X-MFC-with: 319339
dd(1) tried to detect whether the seek offset would overflow, but it failed
to account for the case where the provided argument was negative and the
file was a regular file (negative seeks are allowed for character devices).
I fixed it, and added a regression test.
Reported by: Coverity
CID: 1368659
MFC after: 3 weeks
Sponsored by: Spectra Logic Corp
Allocating and deallocating repeatedly the 1024-byte buffer for stdout from
builtins costs CPU time for little or no benefit.
A simple loop containing builtins that write to a file descriptor, such as
i=0; while [ "$i" -lt 1000000 ]; do printf .; i=$((i+1)); done >/dev/null
is over 10% faster in a simple benchmark on an amd64 virtual machine.
Similarly to how STPUTC was changed, change struct output to store the
pointer just past the end of the available space instead of the size of the
available space, so after writing a character it is only necessary to
increment a pointer and not to decrement a counter.
It does not make much sense to generate the '-' in a pattern bracket
expression using arithmetic expansion, but it does not make sense to forbid
it either.
Try to avoid reprocessing the string if it is unnecessary.
It does not make much sense to generate the '-' in a pattern bracket
expression using arithmetic expansion, but it does not make sense to forbid
it either.
This test already passes.
The special case of modifying an existing alias does not work correctly if
the alias is currently in use. Instead, handle this case by unaliasing the
old alias (if any) and then creating a new alias.
Quoting http://mdocml.bsd.lv/mdoc/details/width.html
Do not use macros in the argument specifying the width,
since that's not portable. While GNU troff can handle it,
mandoc cannot.
MFC after: 3 days
Sponsored by: Dell EMC
