42 lines
1.6 KiB
Bash
42 lines
1.6 KiB
Bash
#! /bin/bash
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# This script is designed to de-Cygwinify the project variables set by
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# the ctattach scripts. If you aren't using ctattach (and you almost
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# certainly won't be, unless you're a member of the VR Studio),
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# there's no reason to use this script.
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# First, de-Cygwinify the HOME variable. Since this variable is
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# hardcoded, we can just do it.
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HOME=`cygpath -w $HOME`
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export HOME
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# Now de-Cygwinify the package variables for all of the trees we are
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# attached to, e.g. $DTOOL, $PANDA, $DIRECT, etc. These variable
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# names are discovered by parsing the $CTPROJS variable, which is made
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# up of a series of words like "DIRECT:personal PANDA:personal
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# DTOOL:install"; we simply pull off each word and get the part
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# preceding the colon.
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# That gives us an indirect reference: we end up with a variable that
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# contains, e.g., the string "DTOOL": the name of the variable we want
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# to modify. Bash provides a way to read the value of an indirect
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# reference: ${!varname} returns the variable named by the contents of
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# $varname.
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# However, bash doesn't provide a way to set the variable named by an
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# indirect reference. But we can achieve this by using the env
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# command, which accepts as a parameter a list of variables that
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# should be reassigned, in the form "var1=value1 var2=value2 ...". So
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# we just have to build up this string and pass it to the env command.
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assign=""
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for packageDef in $CTPROJS; do
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packageVar=`echo $packageDef | sed 's/:.*$//'`
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decyg=`cygpath -w ${!packageVar}`
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assign="$assign $packageVar=$decyg"
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done
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# Now use the env command to pass all these assignments to emacs.
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exec env $assign runemacs "$@"
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