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fix using external realpath command

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Fixes #3489
This commit is contained in:
Kurtis Rader 2016-11-13 13:34:19 -08:00
parent 5284a133b0
commit 209a2576cd
1 changed files with 40 additions and 37 deletions
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77
share/functions/realpath.fish
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@ -1,50 +1,53 @@
# Provide a minimalist realpath implementation to help deal with platforms that may not provide it # Provide a minimalist realpath implementation to help deal with platforms that may not provide it
# as a command. If a realpath command is available simply pass all arguments thru to it. If not # as a command. If an external realpath or grealpath command is available simply pass all arguments
# fallback to alternative solutions. # thru to it. If not fallback to our builtin.
# The following is slightly subtle. The first time `realpath` is invoked by autoloading this script # The following is slightly subtle. We have to define a realpath function even if there is an
# will be read. If we see that there is an external realpath command we just return. That will cause # external command by that name. That's because if we don't the parser will select our builtin.
# fish to run the external command. Or, if there is a grealpath, we alias it. # However, we only want our builtin if there is no external realpath command.
# On the other hand, if an external command isn't found we provide a function that will facilitate
# fallback behavion through our builtin.
if not command -s realpath >/dev/null if command -s realpath >/dev/null
# If there is a HomeBrew installed version of GNU realpath named grealpath use that. function realpath -w realpath -d "print the resolved path [command realpath]"
if command -s grealpath >/dev/null command realpath $argv
function realpath -w grealpath -d "print the resolved path [grealpath]" end
grealpath $argv exit 0
end end
exit 0
# If there is a HomeBrew installed version of GNU realpath named grealpath use that.
if command -s grealpath >/dev/null
function realpath -w grealpath -d "print the resolved path [command grealpath]"
command grealpath $argv
end
exit 0
end
function realpath -d "return an absolute path without symlinks"
if test -z "$argv"
printf "usage: %s%s%s %sfile%s …\n" (set_color -o) $_ (set_color normal) (set_color -u) (set_color normal)
echo " resolves files as absolute paths without symlinks"
return 1
end end
function realpath -d "return an absolute path without symlinks" # Loop over arguments - allow our realpath to work on more than one path per invocation
if test -z "$argv" # like gnu/bsd realpath.
printf "usage: %s%s%s %sfile%s …\n" (set_color -o) $_ (set_color normal) (set_color -u) (set_color normal) for arg in $argv
echo " resolves files as absolute paths without symlinks" switch $arg
return 1 # These - no can do our realpath
end case -s --strip --no-symlinks -z --zero --relative-base\* --relative-to\*
__fish_print_help realpath
return 2
# Loop over arguments - allow our realpath to work on more than one path per invocation case -h --help --version
# like gnu/bsd realpath. __fish_print_help realpath
for arg in $argv return 0
switch $arg
# These - no can do our realpath
case -s --strip --no-symlinks -z --zero --relative-base\* --relative-to\*
__fish_print_help realpath
return 2
case -h --help --version
__fish_print_help realpath
return 0
# Handle commands called with these arguments by dropping the arguments to protect # Handle commands called with these arguments by dropping the arguments to protect
# realpath from them. There are no sure things here. # realpath from them. There are no sure things here.
case -e --canonicalize-existing --physical -P -q --quiet -m --canonicalize-missing case -e --canonicalize-existing --physical -P -q --quiet -m --canonicalize-missing
continue continue
case "*" case "*"
builtin realpath $arg builtin realpath $arg
end
end end
end end
end end