63b04c11d5 Fix copyright years by hand
5c7dd8a783 Update copyright year to 2018
220a9ecba1 Merge from Gnulib
312c565566 Don't add empty keyboard macro to macro ring (Bug#24992)
39ca289a7a Allow customization of decoding of "man" command
f8240815ea * etc/NEWS: Add security consideration note on passphrase ...
0c78822c70 Fix subtle problem with scroll-down when scroll-margin is ...
acd289c5a4 Fix problems with indexing in User manual
b240c7846b * lisp/help.el (describe-key): Only (copy-sequence elt) wh...
e879a5444a * src/buffer.c (Frestore_buffer_modified_p): Fix bug#29846
81b1028b63 Improve documentation of 'inhibit-modification-hooks' and ...
7175496d7a Fix doc string of 'enable-recursive-minibuffers'
5b38406491 Fix documentation of delsel and of killing text
# Conflicts:
# etc/NEWS
# etc/refcards/ru-refcard.tex
a89f0b6f33 maint: shorten https://lists.gnu.org/archive/html/... links
8be3aee281 Merge from Gnulib
265cee553f Work around GCC bug 80776 on Fedora 27 x86
dc7a97fb84 Tweak copy-file, rename-file doc
cfa2a944d4 Change font-lock-extend-region-multiline handling in mhtml...
a8664cc998 Minor cleanup in tramp-gvfs-handle-file-local-copy
55c5b12fa0 Add test for Bug#29423 in Tramp.
3198a1646e Avoid jumbled order in HTML rendered by shr.el
23bfc2d2db Make sure 'dired-filename' property is always put by ls-lisp
f7fdaea4c0 A better solution for bug#29347
86e6ed8521 ; * src/thread.c (acquire_global_lock): Fix thinko in last...
f300852037 Avoid a hang after C-g while sit-for on a Unix TTY
d7fc719ff1 Improve the doc string of 'list-packages'
b4f67ebb92 Improve discoverability of 'defvar' for suppressing warnings
8a2b204e64 Improve discoverability of 'read-buffer-completion-ignore-...
eea4e9194c Improve documentation of self-insert-uses-region-functions
e6e41dac87 Reflect changes in copy-file and rename-file in doc strings
0ec534070f * lisp/progmodes/cc-vars.el (c-offsets-alist): Doc fix. (...
1d0dbdff6c Reorder type predicates in ELisp manual
b081ec9dd7 Fix backward scrolling in buffers with header-line
8e40429c96 ; Fix some doc typos
ed2c542920 * lisp/bindings.el (buffer-file-coding-system): Add explic...
d82474e452 * src/fns.c (syms_of_fns) <overriding-plist-environment>: ...
292c09ff6d Fix incorrect interaction of drag/drop and double click (b...
d6fadb1d26 * lisp/menu-bar.el (menu-bar-options-save): Add display-li...
daa959efbc * lisp/menu-bar.el (menu-bar-options-save): Add global-dis...
17fc74d1b9 * lisp/follow.el (follow-mode): Restore mode line lighter....
f20c2e2f3d ; Compare process status against 127 exactly
2d203ffb7e Extract the common part of ruby-flymake-simple and ruby-fl...
09944d499a Add Rubocop Flymake backend
c65a0ae7c4 ; Fix a typo
7ab7603125 Update nt/INSTALL.W64 (Bug#28601)
11db253c08 Remove incorrect NEWS item about VC state indicator (Bug#2...
2fdc01c036 * lisp/emacs-lisp/byte-run.el (defsubst): Doc fix.
735c8b516e Make c-defun-name analyze more thoroughly a function type ...
92f0c4cd56 Avoid bogus abbreviated file names if HOME changes
8d450453fa * lisp/emacs-lisp/byte-run.el (inline): Give it a doc.
37a3b4ea40 Fix erc keep-place module with new defaults (Bug#29111)
6c312605bf Add window divider faces to NS (bug#29353)
# Conflicts:
# etc/NEWS
# lisp/ruler-mode.el
* src/fileio.c (Fcopy_file, Frename_file): Tweak the recent change
slightly, as NEWNAME is treated as a directory name depending only
on the contents of the NEWNAME string, and independently of
whether NEWNAME names a directory (i.e., whether the directory
exists) (Bug#29362).
79108894db Port to IBM xlc 12.01
d14956099d Simplify by removing HAVE_STRUCT_ATTRIBUTE_ALIGNED
b1573a97e1 Use alignas to fix GCALIGN-related bugs
5d68dc9a2f Change vectorlike from struct to union
6aa0a26b46 Don't enable cursor-sensor-mode in mhtml-mode
2b8ef8dddf * lisp/files.el (abbreviate-file-name): Doc fix. (Bug#29267)
fe85ce1e16 Unbreak interactive run of a flymake test (bug#29267)
48ad00390d Fix Bug#29225
42daf83f08 CC Mode: Fix defun-open being recognized as brace-list-ope...
7775c47298 Merge from Gnulib
e470d16448 Pacify GCC when configured --with-x-toolkit=no
49450d0951 * lisp/find-dired.el (find-grep-dired): Doc fix. (Bug#29262)
e286b3381f Fix more flymake-diag-region eob corner cases and add test...
# Conflicts:
# src/lisp.h
460fe4a1bc ; Doc fixes
41adf3281e Avoid duplicate calls to xfree for the same pointer
3e7ebbe1bd Don't clobber docstrings of explicitly-defined mode hook v...
9c8fe0248b Avoid fullscreen ediff control frames by default (Bug#29026)
7d32176acc Fix the bug#24034 change (revno 9eb028f) causing infloop (...
ee493663ba Merge branch 'emacs-26' of git.savannah.gnu.org:/srv/git/e...
ca5eb0d0b7 Fix a typo in the ELisp manual
d10c9479ca Fix doc and doc-strings for minibuffer window related func...
18331d00da Fix "Args out of range" error in c-determine-limit. Fixes...
edde35e6f8 * lisp/progmodes/perl-mode.el: Fix electric indentation wi...
056587c45f Extend mhtml submode region when in comment
4c4ad80848 Fix mthml submode lighting at end of buffer
557e252aa2 Remember more variables in mhtml-mode
336cd0a11a ; * lisp/select.el (select-enable-primary): Add missing pe...
134099bc90 ; * etc/NEWS (EUDC): Mark as not requiring documentation.
1a340274bf * etc/NEWS (EUDC): Deprecate BBDB 2.x backward compatibility.
4189d0ef7b Fix minibuffer window related docs and strings (Bug#28978)
2ebdde6e9c Add ChkTeX flymake backend for latex-mode
5b59841791 Fix doc typos
82a16c547b Fix some duplicate word typos
266888b1d7 * doc/lispref/commands.texi (Adjusting Point): Fix wording...
00c3c6d88d Avoid segfaults in 64-bit Windows builds
a8e6741066 Fix conversion of pixel coordinates to buffer position
d43b486f6c Fix doc strings in desktop.el
9102fb603e Add Index to ERT manual
68182a4710 Make manuals and NEWS consistent
451823b0e5 Don't allow (minibuffer-window-active-p nil) to return t
cc8f72ca22 Clarify obsolescence message for 'whitespace-tab'
50f711e7fa Fix some duplicate words typos
8bd9524a7c * lisp/button.el (button-activate): Fix doc typo.
0b0d91e60a * lisp/calendar/todo-mode.el (todo-toggle-mark-item): Fix ...
e6b4e5ffdf Fix some doc typos
e8636ac8cc Fix startup display on Cygwin
3926c5ad83 * src/fileio.c (Fset_default_file_modes): Fix typo in doc ...
9715317dfd * lisp/dired.el (dired-find-alternate-file): Doc fix. (Bu...
9e442a001a Improve documentation of how faces are applied to display ...
1bda71ec3b Improve pixel-scroll-mode
196106d37d Support Certification Authority Authorization in dns-mode.el
ec08d70b4f Improve documentation of set-default-file-modes
# Conflicts:
# etc/NEWS
* src/fileio.c (Fset_default_file_modes): Doc fix. (Bug#28875)
* doc/lispref/files.texi (Changing Files): Clarify how the bits in
the argument of set-default-file-modes are used for setting file
permissions.
11bd8aa24b Fix flymake's loading of subr-x
b500e06f4d Fix Bug#28896
d815de017b Skip a Flymake test for old gcc versions
fd3d8610b2 Make :align-to account for display-line-numbers
831eafc8ae Augment Flymake API for third-party extensions
ddd547fada Improve treatment of Fortran's "class default"
234b1e3864 Flymake backends must check proc obsoleteness in source bu...
3ea6a4d4ba Skip an rsync test in tramp-tests.el
25f83fa7c5 ; Indentation fixes
4d578d432d On Windows default a frame's border width to zero (Bug#28873)
6f1dea5c74 Spelling fixes
b8433b0954 Use pop-to-buffer-same-window instead of switch-to-buffer
2f7163fb72 Fix the MSDOS build.
2551d28fe8 Fix line number display after 'widen'
dc8812829b Remove resizable attribute on macOS undecorated frames (bu...
b970a4a52a Fix handling of `border-width' in `frameset--restore-frame...
445e92658f Mention how to send CC to > 1 address in a bug report
8ca6fa585a Improve format-time-string doc
2e1b3522b8 Improve documentation of 'line-number-display-width'
5b6e59cfdb Implement vc-default-dir-extra-headers for vc-rcs
22adeca42a In NEWS give advice on use of `switch-to-buffer' (Bug#28645)
2c3e6f1ddc Dont update primary selection with winner-undo
b38724ab67 Work around ImageMagick bug 825
20cc68e871 Document rectangle-preview option more (Bug#27974)
a0b7b301dd Do not reject https://gnu.org in commit messages
fb4200a875 Fix Edebug spec for cl-defun (bug#24255)
db68cefe72 Fix errors in kmacro.el post-command-hook
c63b344c3d Fix range-error in image-dired.el
081d2187c4 Fix 'line-number-display-width' in hscrolled windows
16e85456e7 Fix error in tramp-smb-handle-insert-directory
613db8d35c Don't reject PBM header whitespace unnecessarily
3205b12a78 Fix regression in display of PPM images
1ca9ae7069 Require subr-x when compiling nnimap.el
de60992053 Fix ert-test finding by symbol (Bug#28849)
51615a8082 Don't remember old debugger window (Bug#17882)
5980de3727 Disable python native completion on w32 (Bug#28580)
616b4c5956 Let select-frame-by-name choose any frame when called from...
8eb3c01dbd * lisp/dired-aux.el (dired-create-directory): Doc fix.
325dfdae13 Avoid compilation warnings in optimized builds
f79382819c ; * src/composite.c (Fclear_composition_cache): Fix last c...
f95cd5cd70 Improve customization of arabic-shaper-ZWNJ-handling.
a7f154688d Improve customization type of 'mouse-drag-and-drop-region'
864734d112 ; Prefer https: to http: in GNU URLs
3c78960a47 Encourage https: in commit messages
def9715282 ; Cleanup of etc/NEWS
4e59ecc646 Fix wording in Elisp manual's child frames section (Bug#28...
eda9f5018c Another fix for C mode fontification of w32 source files
05aadd8990 Fix fontification of ALIGN_STACK functions
aa0c38f358 Make sure thread stack is properly aligned on MS-Windows
d7038020aa Do not under-align pseudovectors
ff33053012 Fix indentation bug in multi-line CSS selectors
8968be822e ; * etc/NEWS: Grammar and spelling fixes
716b84034d gnutls_mac_get_nonce_size has been added in gnutls 3.3
55e313f7be ; * CONTRIBUTE: More suggestions for using US English.
622c675648 * CONTRIBUTE: Suggest American English.
# Conflicts:
# etc/NEWS
# msdos/sed2v2.inp
59b5dc60d6 Fix this-command-keys for "M-x foo" commands
2f4bd2fbda Let rename-file rename dirs across filesystems
413978727c Simplify Flymake user documentation
6ff18c3995 * etc/NEWS: Mention the new version of Org.
b78332c3c6 Don't use (format "%s" ...) for string copying (Bug#28774)
078fb7f6df Make frame-list-z-order on NS match Windows behaviour (bug...
# Conflicts:
# etc/NEWS
05d0c0f802 ; * ChangeLog.3: ChangeLog fixes.
fbabae6b24 * ChangeLog.3: Update.
eab051991e Fix docstring style for 'functionp'
e8a7c41b4e Format shell commands in tramp.texi
0526aac4eb Unbreak the button in the Flymake diagnostics buffer again
c89f001de1 Add mode map to Flymake diagnostic button
f9cd8ee681 Tweak the Flymake diagnostics buffer again
0e83f5f279 Simplify Flymake diagnostics buffer UX
cf4a15b9b6 First stab at a Flymake diagnostics buffer
e4a1556392 * etc/NEWS (Flymake): Rewrite entry.
00adeb43e9 Improve the Flymake manual
44c6401733 ; * etc/NEWS: Clarify the description of "---" and "+++".
042b3cfbd2 Fix two Flymake bugs
3dfa2ca4dc Don't log "emergencies" in the Flymake legacy backend
1c2e188440 Add full documentation on new Flymake API
0f7f677f82 Fix some Flymake docstrings and messages
21e7075781 Make three new Flymake commands for debugging common problems
c9be9a3678 ; INSTALL.REPO: Add -d to "thorough cleaning" suggestion.
5d51403ceb ; Typo fixes, mostly repeated words
0d004ed01a ; Spelling fixes
0485aa76c9 ; * src/lread.c (syms_of_lread) <module-file-suffix>: Fix ...
ba7fb37d6a * admin/authors.el (authors-renamed-files-alist): addition.
14dca4a79a ; ChangeLog.3 fixes
f352d0257c Fix PWD check on DOS_NT
934f08f3de Fix unlikely overflows with wd length
6c2b1e89ef * lisp/gnus/message.el: Improve last commit
7ed7360855 Fix problems when editing raw undecoded message (Bug#28671)
aca5f0072b Avoid encoding errors in message.el
0c36663db5 Improve doc string and prompt of 'grep-read-files'
2da83c9d36 Avoid assertion violations when line numbers are displayed
5b81f65ad0 ; * lisp/emacs-lisp/rmc.el: Minor fix for copyright and li...
11b37b4a9f Be lazy when starting Flymake checks
36ed9a9ede Fix last change in frameset.el
62e5c119af Describe how window dividers can replicate vertical border...
e2150d994a Add line-number faces to the display-line-numbers group
89b0023044 Increase xterm click count only within double-click-fuzz
745aea2296 Change pause in fullscreen toggling for NS port (bug#28496)
1cd334cd47 Handle PARENTS properly in tramp-*-handle-make-directory
f1c73de47d ; Merge from Gnulib (comment changes only)
7c2c117c91 Improve test for unreachable dirs
2202952b83 * src/xsmfns.c (x_session_initialize): Fix memory leak.
a9b72976de Merge branch 'emacs-26' of git.sv.gnu.org:/srv/git/emacs i...
64baaff8c5 New option for handling ZWNJ in Arabic text rendering
c194fb61c6 Make python prettify symbols into a defvar (Bug#28713)
6dfc778d54 Fix fullscreen crash on macOS (bug#28496)
3db0dc2168 Fix crash when closing fullscreen frame on macOS (bug#28661)
bc80da5bd3 Support gio tool in Tramp
349e0eb5ff Fix flymake-goto-next-error when message has %-constructs
0fa353b504 * src/gnutls.c (syms_of_gnutls): Remove duplicated call to...
dc6ae15a8d Move the entry about 'format' into Incompatible Lisp Changes
75174a632d Fix glitches in displaying TTY menus
238fbcb20e Create new Edebug spec for docstrings and use it in closures
2d58d51329 Avoid byte-compilation warnings in message.el
# Conflicts:
# etc/NEWS
Problem diagnosed by Andreas Schwab (Bug#28792#65).
This fixes a bug that I introduced in
2017-09-10T22:39:24@eggert@cs.ucla.edu
"Fix race with rename-file etc. with dir NEWNAME".
* src/fileio.c (Frename_file): Copy a source directory across
file system boundaries even if its name does not end in slash.
* admin/merge-gnulib (GNULIB_MODULES): Add fsusage.
* doc/emacs/files.texi (Directories): Remove documentation of
now-obsolete directory-free-space-program and
directory-free-space-args.
* etc/NEWS: Mention change.
* etc/PROBLEMS: Slow df is no longer a problem.
* lib/fsusage.c, lib/fsusage.h, m4/fsusage.m4:
New files, copied from Gnulib.
* lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
* lisp/dired.el (dired-free-space-program)
(dired-free-space-args): These aliases are now obsolete.
* lisp/files.el (directory-free-space-program)
(directory-free-space-args): Now obsolete.
(get-free-disk-space): Just call file-system-info instead
of the now-obsolete directory-free-space-program.
* nt/gnulib-cfg.mk (OMIT_GNULIB_MODULE_fsusage): New macro.
* src/fileio.c: Include fsusage.h.
(blocks_to_bytes, Ffile_system_info) [!DOS_NT]: New functions.
(syms_of_fileio) [!DOS_NT]: Defsubr file-system-info.
Most of this change is to boilerplate commentary such as license URLs.
This change was prompted by ftp://ftp.gnu.org's going-away party,
planned for November. Change these FTP URLs to https://ftp.gnu.org
instead. Make similar changes for URLs to other organizations moving
away from FTP. Also, change HTTP to HTTPS for URLs to gnu.org and
fsf.org when this works, as this will further help defend against
man-in-the-middle attacks (for this part I omitted the MS-DOS and
MS-Windows sources and the test tarballs to keep the workload down).
HTTPS is not fully working to lists.gnu.org so I left those URLs alone
for now.
This changes the behavior of rename-file etc. slightly.
The old behavior mostly disagreed with the documentation, and had
a race condition bug that could allow attackers to modify victims'
write-protected directories (Bug#27986).
* doc/lispref/files.texi (Changing Files): Document that in
rename-file etc., NEWFILE is special if it is a directory name.
* etc/NEWS: Document the change in behavior.
* src/fileio.c (directory_like): Remove. All uses removed.
(expand_cp_target): Test only whether NEWNAME is a directory name,
not whether it is currently a directory. This avoids a race.
(Fcopy_file, Frename_file, Fadd_name_to_file, Fmake_symbolic_link):
Document behavior if NEWNAME is a directory name.
(Frename_file): Simplify now that the destdir behavior occurs
only when NEWNAME is a directory name.
* test/lisp/net/tramp-tests.el (tramp-test11-copy-file)
(tramp-test12-rename-file, tramp--test-check-files):
Adjust tests to match new behavior.
* src/fileio.c (directory_file_name) [DOS_NT]: Fix the DOS_NT case
to be consistent with last change.
* test/src/fileio-tests.el (fileio-tests--odd-symlink-chars):
Disable on MS-Windows.
(fileio-tests--directory-file-name-dos-nt)
(fileio-tests--file-name-as-directory-dos-nt): New tests.
* src/fileio.c (directory_file_name): For "///" and longer,
return "/", not "//", as per POSIX.
* test/src/fileio-tests.el (fileio-tests--directory-file-name)
(fileio-tests--file-name-as-directory): New tests.
This lets Emacs deal with arbitrary local symlinks without
mishandling their contents (Bug#28156). For example,
(progn (shell-command "ln -fs '~' 'x'") (rename-file "x" "/tmp/x"))
now consistently creates a symbolic link from '/tmp/x' to '~'.
Formerly, it did that only if the working directory was on the
same filesystem as /tmp; otherwise, it expanded the '~' to
the user's home directory.
* lisp/dired.el (dired-get-filename): Use files--name-absolute-system-p
instead of rolling our own code.
* lisp/files.el (files--name-absolute-system-p): New function.
(file-truename, file-chase-links): Use it to avoid mishandling
symlink contents that begin with ~.
(copy-directory, move-file-to-trash):
Use concat rather than expand-file-name, to avoid mishandling
symlink contents that begin with ~.
* src/fileio.c (Fmake_symbolic_link): Do not expand leading "~" in the
target unless interactive. Strip leading "/:" if interactive.
(emacs_readlinkat): Do not prepend "/:" to the link target if
it starts with "/" and contains ":" before NUL.
* test/src/fileio-tests.el (try-link): Rename from try-char,
and accept a string instead of a char. All uses changed.
(fileio-tests--symlink-failure): Also test leading ~, and "/:",
to test the new behavior.
* src/fileio.c (expand_and_dir_to_file): Simplify by omitting 2nd
argument, since in practice it always has the default value. All
callers changed. Prefer C99 style decls in nearby code.
* lisp/files.el (make-temp-file): Let make-temp-file-internal do
the work of inserting the text.
* src/fileio.c (Fmake_temp_file_internal): New arg TEXT.
All callers changed.
* src/fileio.c (Frename_file): On macOS, renameat_noreplace can
fail with errno == ENOTSUP on file systems where it is not
supported, according to the Apple documentation.
Problem reported by Philipp Stephani (Bug#27986).
* src/fileio.c (Frename_file):
Worry about file name case sensitivity only if CYGWIN or DOS_NT.
* src/sysdep.c (renameat_noreplace): Use renameatx_np on macOS,
since this provides the necessary atomicity guarantees.
The bug with "." and ".." has been present for a while; I
introduced the bug with "" earlier today in my patch for Bug#28023.
* lisp/files.el (make-temp-file): Do not use expand-file-name if
PREFIX is empty or "." or "..", as it does the wrong thing.
Compute absolute-prefix here ...
(files--make-magic-temp-file): ... instead of here ...
* src/fileio.c (Fmake_temp_file_internal): ... or here.
* lisp/files.el (make-temp-file): If the prefix is empty, append
"/" to the absolute prefix so that the new files are children
rather than siblings of temporary-file-directory. This fixes a
bug introduced in the previous change.
* test/lisp/files-tests.el (files-test-make-temp-file-empty-prefix):
New test, for the bug.
For the motivation behind this patch, please see Bug#28023 and:
http://emacshorrors.com/posts/make-temp-name.html
Although, given the recent changes to Tramp, the related security
problem in make-temp-file is already fixed, make-temp-file still has
several unnecessary system calls. In the typical case on GNU/Linux,
this patch replaces 8 syscalls (symlink, open, close, readlinkat, uname,
getpid, unlink, umask) by 2 (open, close).
* admin/merge-gnulib (GNULIB_MODULES): Add tempname, now
that Emacs is using it directly.
* configure.ac (AUTO_DEPEND): Remove AC_SYS_LONG_FILE_NAMES;
no longer needed.
* lib/gnulib.mk.in, m4/gnulib-comp.m4: Regenerate.
* lisp/files.el (files--make-magic-temp-file): Rename from
make-temp-file.
(make-temp-file): Use make-temp-file-internal for
non-magic file names.
* src/fileio.c: Include tempname.h.
(make_temp_name_tbl, make_temp_name_count)
(make_temp_name_count_initialized_p, make_temp_name): Remove.
(Fmake_temp_file_internal): New function.
(Fmake_temp_name): Use it.
* src/filelock.c (get_boot_time): Use Fmake_temp_file_internal
instead of make_temp_name.
* lib-src/ntlib.h (mkdir, open): Remove redefinitions. They are
now in nt/inc/ms-w32.h.
* lib-src/ntlib.c (sys_mkdir, sys_open): New functions.
(mkostemp): Remove.
* src/w32.c (mkostemp): Remove.
(sys_mkdir): Accept a second (unused) argument.
* src/fileio.c (Fmake_directory_internal): Remove the WINDOWSNT
specific call to mkdir. (Bug#28023)
* nt/inc/ms-w32.h (mkdir): Remove from "#ifdef emacs" and redefine
to accept 2 arguments.
(open): Remove from "#ifdef emacs".
* nt/mingw-cfg.site (ac_cv_func_mkostemp): Remove.
* nt/gnulib-cfg.mk (OMIT_GNULIB_MODULE_mkostemp)
(OMIT_GNULIB_MODULE_tempname): Remove.
Although this does not fix Bug#27986, it is a step forward.
I plan to propose a more-significant patch later.
* lisp/files.el (directory-name-p): Move from here ...
* src/fileio.c (Fdirectory_name_p): ... to here.
(directory_like, cp_like_target): New static functions.
(Fcopy_file, Frename_file, Fadd_name_to_file)
(Fmake_symbolic_link):
Use them, to avoid directory-testing syscalls on file names that
must be directories if they exist. Omit unnecessary
initializations and CHECK_STRING calls.
(Frename_file): Don't call file_name_case_insensitive_p
twice on the same file. Compare both file names expanded, instead
of the old name expanded and the new one unexpanded.
* doc/lispref/files.texi (Unique File Names):
* src/fileio.c (Fmake_temp_name): Document that make-temp-name
does not guarantee uniqueness on magic file names.
Problem reported by Ted Zlatanov in:
http://lists.gnu.org/archive/html/emacs-devel/2017-08/msg00082.html
* src/fileio.c (Frename_file): On RHEL 7 + NFS, renameat2 can fail
with errno == EINVAL when it is not supported. So treat that case
like errno == ENOSYS. Also, when ok_if_already_exists is neither
nil nor an integer, just call plain rename; this avoids an extra
syscall to renameat2 when the latter fails with errno == EINVAL or
ENOSYS or ENOENT.
* src/fileio.c (Frename_file): Avoid calling Ffile_directory_p
more than once on FILE. Use renameat_noreplace, so that we can
ask the user (and unlink and retry) only if this fails with errno
== EEXIST or ENOSYS. This avoids the need to ask the user for
permission to do an operation that will fail anyway. Simplify
computation of ok_if_already_exists for subsidiary functions.
* src/filelock.c (rename_lock_file): Prefer renameat_noreplace
if it works, as this avoids the need to link and unlink.
* src/lisp.h (renameat_noreplace): New decl.
* src/sysdep.c [HAVE_LINUX_FS_H]: Include linux/fs.h and sys/syscall.h.
(renameat_noreplace): New function.
* src/fileio.c (Fadd_name_to_file, Fmake_symbolic_link):
Ask the user (and unlink and retry) only if link creation fails
with errno == EEXIST. This avoids the need to ask the user for
permission to do an operation that will fail anyway.
* src/fileio.c (Fdelete_file):
* src/keyboard.c (Fopen_dribble_file): Do not report failure to
remove a file if unlink fails with errno == ENOENT. This can
happen even if Emacs is the only program removing the file, in
case an NFS cache overflows. The file does not exist if errno ==
ENOENT, so it is OK to proceed.
It does not appear to be needed (Bug#24441).
* etc/PROBLEMS: Remove DARWIN_OS_CASE_SENSITIVE_FIXME stuff.
* src/fileio.c (file_name_case_insensitive_p):
Remove DARWIN_OS_CASE_SENSITIVE_FIXME code.
* etc/PROBLEMS: Document this (Bug#24441).
* src/fileio.c (file_name_case_insensitive_p): Prefer pathconf
with _PC_CASE_SENSITIVE, if it works, to
DARWIN_OS_CASE_SENSITIVE_FIXME code.
Support just one method for DARWIN_OS_CASE_SENSITIVE_FIXME,
which matches the Apple documentation more precisely.
The extra message text turned out to be quite annoying in practice,
and is generally more trouble than it's worth. Also revert several
related changes.
Partially revert "Handle `write-region' messages in Tramp properly"
Revert "New var write-region-verbose, default nil"
Revert "* src/fileio.c (write_region): Don't say "1 characters". (Bug#26796)"
Revert "Minor tuneup of write-region change"
Revert "Adjust write-region so file name is at the beginning again"
Revert "Fix handling of non-integer START param to write-region"
Revert "Output number of characters added to file (Bug#354)"
* doc/emacs/files.texi (Misc File Ops):
* etc/NEWS:
* lisp/epa-file.el (epa-file-write-region):
* lisp/gnus/mm-util.el (mm-append-to-file):
* lisp/jka-compr.el (jka-compr-write-region):
* lisp/net/ange-ftp.el (ange-ftp-write-region):
* lisp/net/tramp-adb.el (tramp-adb-handle-write-region):
* lisp/net/tramp-gvfs.el (tramp-gvfs-handle-write-region):
* lisp/net/tramp-sh.el (tramp-sh-handle-write-region):
* lisp/net/tramp-smb.el (tramp-smb-handle-write-region):
* lisp/net/tramp.el (tramp-handle-write-region-message):
* src/fileio.c (write_region, syms_of_fileio):
* test/lisp/net/tramp-tests.el (tramp-test10-write-region): Remove
extra characters from file writing messages.
By popular demand, write-region char counts are now off by default
(Bug#26796).
* src/fileio.c (write-region-verbose): New Lisp var.
(write_region): Output char count only if the var is non-nil.
* doc/emacs/files.texi (Misc File Ops), etc/NEWS: Document this.
