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https://github.com/fish-shell/fish-shell.git
synced 2024-11-22 20:47:44 +08:00
Fix broken umask, add completions, documentation cleanups, etc
darcs-hash:20051022100605-ac50b-9b6ece502b203bf7690583d57b5b0713de30890c.gz
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axel
parent
6139df926b
commit
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@ -104,8 +104,9 @@ BUILTIN_DOC_HDR := $(BUILTIN_DOC_SRC:.txt=.doxygen)
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CMD_DOC_SRC := doc_src/count.txt doc_src/dirh.txt doc_src/dirs.txt \
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doc_src/fishd.txt doc_src/help.txt doc_src/mimedb.txt \
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doc_src/nextd.txt doc_src/open.txt doc_src/popd.txt \
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doc_src/prevd.txt doc_src/pushd.txt doc_src/set_color.txt \
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doc_src/tokenize.txt doc_src/type.txt
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doc_src/prevd.txt doc_src/psub.txt doc_src/pushd.txt \
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doc_src/set_color.txt doc_src/tokenize.txt doc_src/type.txt \
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doc_src/umask.txt
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#
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# Files generated by running doxygen on the files in $(CMD_DOC_SRC)
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@ -7,15 +7,23 @@
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\subsection umask-description Description
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With no argument, the current file-creation mask is printed, if an
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argument is specified, it is the new file creation mask.
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argument is specified, it is the new file creation mask. The mask may
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be specified as an octal number, in which case it is interpreted as
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the rights that should be masked away, i.e. it is the inverse of the
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file permissions any new files will have. If a synbolic mask is
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specified, the actual file permission bits, and not the inverse, are
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specified.
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- <code>-h</code> or <code>--help</code> print this message
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- <code>-S</code> or <code>--symbolic</code> prints the file-creation mask in symbolic form instead of octal form. Use <code>man chmod</code> for more information.
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- <code>-p</code> or <code>--as-command</code> prints any output in a form that may be reused as input
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The umask implementation in fish should behave identically to the one in bash.
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The umask implementation in fish should behave identically to the one
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in bash.
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\subsection umask-example Example
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<code>umask 600</code> sets the file creation mask to read and write for the owner and no permissions at all for any other users.
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<code>umask 177</code> or <code>umask u=rw</code>sets the file
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creation mask to read and write for the owner and no permissions at
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all for any other users.
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20
env.c
20
env.c
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@ -15,7 +15,6 @@
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#include <sys/stat.h>
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#include <pwd.h>
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#if HAVE_NCURSES_H
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#include <ncurses.h>
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#else
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@ -27,6 +26,7 @@
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#endif
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#include <term.h>
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#include <errno.h>
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#include "util.h"
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#include "wutil.h"
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@ -385,6 +385,24 @@ void env_set( const wchar_t *key,
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fish_setlocale(LC_ALL,val);
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}
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if( wcscmp( key, L"umask" ) == 0)
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{
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wchar_t *end;
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int mask;
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if( val && wcslen(val) )
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{
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errno=0;
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mask = wcstol( val, &end, 8 );
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if( !errno && !*end )
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{
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umask( mask );
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}
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}
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}
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/*
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Zero element arrays are internaly not coded as null but as this placeholder string
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*/
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42
exec.c
42
exec.c
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@ -58,10 +58,6 @@ pid_t getpgid( pid_t pid );
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*/
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#define FORK_ERROR L"Could not create child process - exiting"
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/**
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Default value for the umask
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*/
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#define UMASK_DEFAULT 0664
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/**
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List of all pipes used by internal pipes. These must be closed in
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@ -70,36 +66,6 @@ pid_t getpgid( pid_t pid );
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*/
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static array_list_t *open_fds=0;
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/**
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The umask. Recalculated every time exec is run. by calling get_umask().
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*/
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static int umask_val;
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/**
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Calculate the current value of the umask. Should be done once at
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the beginning of each call to exec. Uses the $umask environment
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variable, if available, defaults to the constant UMASK_DEFAULT.
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*/
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static int get_umask()
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{
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wchar_t *m = env_get( L"umask" );
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wchar_t *end;
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int mask;
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if( !m || !wcslen(m) )
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return UMASK_DEFAULT;
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errno=0;
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mask = wcstol( m, &end, 8 );
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if( errno || *end )
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{
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return UMASK_DEFAULT;
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}
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return mask;
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}
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void exec_close( int fd )
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{
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@ -313,7 +279,7 @@ static void handle_child_io( io_data_t *io )
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break;
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case IO_FILE:
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if( (tmp=wopen( io->param1.filename,
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io->param2.flags, umask_val ))==-1 )
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io->param2.flags, 0777 ) )==-1 )
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{
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debug( 1,
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FILE_ERROR,
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@ -516,7 +482,7 @@ static io_data_t *io_transmogrify( io_data_t * in )
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{
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int fd;
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if( (fd=wopen( in->param1.filename, in->param2.flags, umask_val ))==-1 )
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if( (fd=wopen( in->param1.filename, in->param2.flags, 0777 ) )==-1 )
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{
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debug( 1,
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FILE_ERROR,
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@ -676,9 +642,7 @@ void exec( job_t *j )
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Set to 1 if something goes wrong while exec:ing the job, in which case the cleanup code will kick in.
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*/
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int exec_error=0;
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umask_val = get_umask();
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debug( 4, L"Exec job %ls with id %d", j->command, j->job_id );
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@ -890,7 +854,7 @@ void exec( job_t *j )
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in->filename);
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*/
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builtin_stdin=wopen( in->param1.filename,
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in->param2.flags, umask_val );
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in->param2.flags, 0777 );
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if( builtin_stdin == -1 )
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{
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debug( 1,
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@ -6,6 +6,10 @@ for i in (builtin -n)
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complete -c help -x -a $i -d 'Help for the '$i' builtin'
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end
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for i in count dirh dirs help mimedb nextd open popd prevd pushd set_color tokenize psub umask type
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complete -c help -x -a $i -d 'Help for the '$i' command'
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end
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for i in syntax todo bugs history;
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complete -c help -x -a $i -d 'Help section on '$i
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end
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@ -154,7 +154,7 @@ function help -d "Show help for the fish shell"
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set fish_help_page "builtins.html\#"$fish_help_item
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end
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if contains -- $fish_help_item count dirh dirs help mimedb nextd open popd prevd pushd set_color tokenize
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if contains -- $fish_help_item count dirh dirs help mimedb nextd open popd prevd pushd set_color tokenize psub umask type
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set fish_help_page "commands.html\#"$fish_help_item
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end
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@ -755,48 +755,82 @@ echo
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end
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function __fish_umask_parse -d "Parses a file permission specification as into an octal version"
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# Test if already a valid octal mask
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if echo $argv | grep -E '^[0-7]{1,4}$' >/dev/null
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echo $argv
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# Test if already a valid octal mask, and pad it with zeros
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if echo $argv | grep -E '^(0|)[0-7]{1,3}$' >/dev/null
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for i in (seq (echo 5-(echo $argv|wc -c)|bc)); set -- argv 0$argv; end
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echo $argv
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else
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set res 0 0 0
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set el (echo $argv|tr , \n)
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# Test if argument really is a valid symbolic mask
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if not echo $argv | grep -E '^(((u|g|o|a|)(=|\+|-)|)(r|w|x)*)(,(((u|g|o|a|)(=|\+|-)|)(r|w|x)*))*$' >/dev/null
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echo umask: Invalid mask $argv >&2
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return 1
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end
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set -e implicit_all
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# Make sure the current umask is defined
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if not set -q umask
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set umask 0000
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end
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# If umask is invalid, reset it
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if not echo $umask | grep -E '^(0|)[0-7]{1,3}$' >/dev/null
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set umask 0000
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end
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# Pad umask with zeros
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for i in (seq (echo 5-(echo $umask|wc -c)|bc)); set -- argv 0$umask; end
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# Insert inverted umask into res variable
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set tmp $umask
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for i in 1 2 3
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set -- tmp (echo $tmp|cut -c 2-)
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set -- res[$i] (echo 7-(echo $tmp|cut -c 1)|bc)
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end
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set -- el (echo $argv|tr , \n)
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for i in $el
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switch $i
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case 'u*'
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set idx 1
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case 'g*'
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set idx 2
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case 'o*'
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set idx 3
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case 'a*'
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set idx 1 2 3
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case '*'
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set implicit_all 1
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set idx 1 2 3
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end
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switch $i
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case '=*'
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set mode set
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case '+*'
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set mode add
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case '-*'
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set mode remove
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set i (echo $i| cut -c 2-)
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set -- i (echo $i| cut -c 2-)
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case '*'
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if not set -q implicit_all
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echo umask: Invalid mask $argv >&2
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return
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end
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set mode set
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end
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@ -806,41 +840,67 @@ function __fish_umask_parse -d "Parses a file permission specification as into a
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end
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set val 0
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if echo $perm |grep 'r' >/dev/null
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if echo $i |grep 'r' >/dev/null
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set val 4
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end
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if echo $perm |grep 'w' >/dev/null
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if echo $i |grep 'w' >/dev/null
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set val (echo $val + 2|bc)
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end
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if echo $perm |grep 'x' >/dev/null
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if echo $i |grep 'x' >/dev/null
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set val (echo $val + 1|bc)
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end
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for j in $idx
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set res[$j] $val
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switch $mode
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case set
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set res[$j] $val
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case add
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set res[$j] (perl -e 'print( ( '$res[$j]'|'$val[$j]' )."\n" )')
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case remove
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set res[$j] (perl -e 'print( ( (7-'$res[$j]')&'$val[$j]' )."\n" )')
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end
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end
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end
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echo $res[1]$res[2]$res[3]
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for i in 1 2 3
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set res[$i] (echo 7-$res[$i]|bc)
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end
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echo 0$res[1]$res[2]$res[3]
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end
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end
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function __fish_umask_print_symbolic
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set -l res ""
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set -l letter u g o
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set -l letter a u g o
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for i in 1 2 3
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# Make sure the current umask is defined
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if not set -q umask
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set umask 0000
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end
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# If umask is invalid, reset it
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if not echo $umask | grep -E '^(0|)[0-7]{1,3}$' >/dev/null
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set umask 0000
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end
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# Pad umask with zeros
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for i in (seq (echo 5-(echo $umask|wc -c)|bc)); set -- argv 0$umask; end
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for i in 2 3 4
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set res $res,$letter[$i]=
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set val (echo $umask|cut -c $i)
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if contains $val 4 5 6 7
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if contains $val 0 1 2 3
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set res {$res}r
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end
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if contains $val 2 3 6 7
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if contains $val 0 1 4 5
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set res {$res}w
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end
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if contains $val 1 3 5 7
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if contains $val 0 2 4 6
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set res {$res}x
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end
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@ -896,7 +956,7 @@ function umask -d "Set default file permission mask"
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case 0
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if not set -q umask
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set -g umask 664
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set -g umask 113
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end
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if test $as_command -eq 1
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echo umask $umask
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