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as.sh: specifically handle a broken symlink #3006

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as.sh: specifically handle a broken symlink #3006

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a2babd2
specifically handle a broken symlink
lijinliangyihao Apr 2, 2025
a475515
in case `file` the command does not exist
lijinliangyihao Apr 2, 2025
efcf3f3
`if` and `elif` use the same condition, seems not right.
lijinliangyihao Apr 2, 2025
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9 changes: 8 additions & 1 deletion bin/as.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,11 @@ rreadlink() ( # Execute the function in a *subshell* to localize variables and t
{ \unalias command; \unset -f command; } >/dev/null 2>&1
[ -n "$ZSH_VERSION" ] && options[POSIX_BUILTINS]=on # make zsh find *builtins* with `command` too.

if [ `command -v file` ] && [[ `command file $target` =~ broken ]]; then
echo 'Error:' `file $target`
return 1
fi

while :; do # Resolve potential symlinks until the ultimate target is found.
[ -L "$target" ] || [ -e "$target" ] || { command printf '%s\n' "ERROR: '$target' does not exist." >&2; return 1; }
command cd "$(command dirname -- "$target")" # Change to target dir; necessary for correct resolution of target path.
Expand Down Expand Up @@ -818,7 +823,9 @@ parse_arguments()
echo "2. Try to use different http port, for example: as.sh --telnet-port 9998 --http-port 9999"
exit 1
fi
elif [ -z ${TARGET_PID} ]; then
fi

if [ -z ${TARGET_PID} ]; then
# batch mode is enabled, no interactive process selection.
echo "Illegal arguments, the <PID> is required." 1>&2
return 1
Expand Down