bug#12437: 24.2; Edits to buffer does not get written to the file (Issue Does not happen in 23.x version)

[Vishwajith Singh]

Is is possible that emacs 24.2 is not honoring the umask setting...?



On Thu, Sep 13, 2012 at 3:17 PM, Vishwajith Singh <vnsblore@gmail.com> wrote:
> Issue: 24.2; Edits to buffer does not get written to the file whereas
> the same file can be edited in emacs-23.3 without issues.
>
> Here's what happens -
>
> emacs 24.2
> ==========
> 1) Open a file with permissions "-rwxrwxrwx".
>         The modeline shows "---" indicating that the file is writable.
> 2) Edit the file
>         The modeline show "**-"
> 3) Save the file...
>         The modebuffer shows "Saving file..."
>         The modeline still shows "**-"
> 3)  Now try quitting the buffer.
>        The modeline shows "Changes made to the file, quit anyway..."
>    Strange message since the changes were saved in step 2.
>    If you quit, the changes  are lost.
>
> emacs 23.x
> ==========
> 1) OPen the same file in older emacs 23.X version and go thourgh the
> same steps. No issues and the changes are savsed and the buffer can be
> quit...
>
> Why is this happening in 24.2?
>
>
> ==================================================================
> In GNU Emacs 24.2.1 (x86_64-unknown-linux-gnu, X toolkit, Xaw3d scroll bars)
>  of 2012-09-11 on lca-700s
> Windowing system distributor `Hummingbird - Open Text', version 11.0.13800
> Configured using:
>  `configure '--prefix=/usr/local/emacs-24.2''
>
> Important settings:
>   value of $LC_ALL: nil
>   value of $LC_COLLATE: nil
>   value of $LC_CTYPE: nil
>   value of $LC_MESSAGES: nil
>   value of $LC_MONETARY: nil
>   value of $LC_NUMERIC: nil
>   value of $LC_TIME: nil
>   value of $LANG: C
>   value of $XMODIFIERS: nil
>   locale-coding-system: nil
>   default enable-multibyte-characters: t
>
> Major mode: Shell
>
> Minor modes in effect:
>   dirtrack-mode: t
>   show-paren-mode: t
>   shell-dirtrack-mode: t
>   recentf-mode: t
>   tooltip-mode: t
>   mouse-wheel-mode: t
>   tool-bar-mode: t
>   menu-bar-mode: t
>   file-name-shadow-mode: t
>   global-font-lock-mode: t
>   font-lock-mode: t
>   blink-cursor-mode: t
>   auto-composition-mode: t
>   auto-encryption-mode: t
>   auto-compression-mode: t
>   column-number-mode: t
>   line-number-mode: t
>   transient-mark-mode: t
>
> Recent input:
> <left> <left> <left> <left> <left> <left> <left> <left>
> <left> <left> <left> <left> <left> <left> <left> <left>
> <backspace> 9 C-s C-s C-s C-s C-x C-s M-k C-g C-x C-s
> M-k y l s SPC - l SPC <return> c d SPC - <return> l
> s SPC - l SPC <return> c d SPC - <return> C-x <escape>
> <escape> <return> <return> C-x C-s M-k y l s SPC -
> l SPC h s <tab> s <tab> <return> l s SPC - a l <return>
> C-x C-f h s _ a s <tab> <return> C-s C-s C-s <left>
> <left> <left> <left> <left> <left> <left> <left> <left>
> <left> <left> <left> <left> <left> <left> <left> <left>
> <left> <left> <left> <left> <left> <left> <left> <left>
> <left> <backspace> 9 C-x C-s M-k y <help-echo> <help-echo>
> <down-mouse-1> <mouse-1> <down-mouse-1> <mouse-1> <down-mouse-5>
> <mouse-5> <double-down-mouse-5> <double-mouse-5> <triple-down-mouse-5>
> <triple-mouse-5> <triple-down-mouse-5> <triple-mouse-5>
> <triple-down-mouse-5> <triple-mouse-5> <down-mouse-5>
> <mouse-5> <down-mouse-1> <mouse-1> w h i c h SPC e
> m a c s <return> n e d i t SPC h s <tab> a a <backspace>
> <tab> <return> <down-mouse-1> <mouse-1> C-s C-s C-x
> C-f M-p <return> C-s C-s C-s C-s C-x C-s <return> <backspace>
> <return> C-x C-s M-k <backspace> <down-mouse-1> <mouse-1>
> <down-mouse-1> <mouse-movement> <mouse-1> M-k y <f11>
> <f12> e <backspace> a SPC | SPC g r e p SPC e m a c
> s <return> <down-mouse-1> <mouse-movement> <mouse-1>
> $ E M A S <backspace> C S _ O L D <return> <down-mouse-1>
> <mouse-1> M-x r e p o <tab> r t <tab> - <tab> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <tab> <tab> <tab>
> <tab> <tab> <tab> <tab> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <backspace> <backspace> <backspace> <backspace> <backspace>
> <tab> <tab> <return>
>
> Recent messages:
> Buffer hs_async_scheduler.v modified; kill anyway? (y or n)  y
> scroll-up: End of buffer
> Mark saved where search started [2 times]
> (No changes need to be saved)
> Saving file 
> /proj/sycmr0/wa/vsingh/tmp/vault/ip_design/usb3_host_core/August_6_2012/mrvl_host_vpp/asic_release/src/xhci/transaction_scheduler/hs_async_scheduler.v...
> Buffer hs_async_scheduler.v modified; kill anyway? (y or n)  n
> Buffer hs_async_scheduler.v modified; kill anyway? (y or n)  y
> Mark set
> /proj/sycmr0/wa/vsingh/tmp/vault/ip_design/usb3_host_core/August_6_2012/mrvl_host_vpp/asic_release/src/xhci/transaction_scheduler
> Making completion list... [2 times]
>
> Load-path shadows:
> None found.
>
> Features:
> (shadow mail-extr emacsbug message rfc822 mml mml-sec mm-decode
> mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
> sendmail rfc2047 rfc2045 ietf-drums mail-utils executable tabify
> verilog-mode skeleton compile diff ffap misearch multi-isearch make-mode
> help-mode view pcmpl-unix autoinsert sunrise-commander tramp
> tramp-compat auth-source eieio assoc gnus-util mm-util mail-prsvr
> password-cache format-spec tramp-loaddefs esh-var esh-io esh-cmd esh-ext
> esh-proc esh-arg eldoc esh-groups eshell esh-util esh-module esh-mode
> dired-aux desktop term ehelp electric sort hl-line find-dired disp-table
> enriched dired-x dired derived jka-compr protbuf dirtrack vc-hg linum
> paren cus-start cus-load ediff-trees ediff-merg ediff-diff ediff-wind
> ediff-help ediff-util ediff-mult ediff-init ediff breadcrumb byte-opt
> warnings bytecomp byte-compile cconv macroexp shell-command shell
> pcomplete comint regexp-opt ansi-color ring column-marker color-theme cl
> recentf tree-widget wid-edit easymenu tabbar easy-mmode hide-lines
> hide-region advice help-fns advice-preload setnu ibs edmacro kmacro
> time-date tooltip ediff-hook vc-hooks lisp-float-type mwheel x-win x-dnd
> tool-bar dnd fontset image fringe lisp-mode register page menu-bar
> rfn-eshadow timer select scroll-bar mouse jit-lock font-lock syntax
> facemenu font-core frame cham georgian utf-8-lang misc-lang vietnamese
> tibetan thai tai-viet lao korean japanese hebrew greek romanian slovak
> czech european ethiopic indian cyrillic chinese case-table epa-hook
> jka-cmpr-hook help simple abbrev minibuffer loaddefs button faces
> cus-face files text-properties overlay sha1 md5 base64 format env
> code-pages mule custom widget hashtable-print-readable backquote
> make-network-process dynamic-setting font-render-setting x-toolkit x
> multi-tty emacs)