dotfiles: .shell.d/00.path_manipulation.sh annotate

annotate .shell.d/00.path_manipulation.sh @ 378:20e47bc8eea9

hgrc: disable hg-git and hgsubversion It hasn't been common for me to use either of these extensions for some time, so just drop both of them from the main hgrc. Instead I'll enable them as-needed in individual repositories.

author	Augie Fackler <durin42@gmail.com>
date	Thu, 09 Jun 2011 20:20:04 -0500
parents	7dfb7799567f
children	c85072e620a8

rev	line source
0 c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	1 # Functions for manipulating $PATH. Split out so I can use them in .zshenv if I want.
c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	2
c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	3 function insert_path_element() {
135 de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	4 insert_element_into_var $1 PATH
0 c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	5 }
c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	6
c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	7 function remove_path_element() {
149 7dfb7799567f path_manipulation: Fix accidental recursion. Augie Fackler <durin42@gmail.com> parents: 135 diff changeset	8 remove_element_from_var $1 PATH
135 de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	9 }
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	10
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	11 function insert_element_into_var () {
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	12 eval varcontents=\$"$2"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	13 eval varname="$2"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	14 newcomp="$1"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	15 if echo "$varcontents" \| grep "$newcomp:" >> /dev/null; then
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	16 true
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	17 elif [[ "$varcontents" == "" ]] ; then
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	18 export $varname="$newcomp"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	19 else
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	20 export $varname="$newcomp:$varcontents"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	21 fi
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	22 }
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	23
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	24 function remove_element_from_var() {
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	25 eval varcontents=\$"$2"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	26 eval varname="$2"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	27 newcomp="$1"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	28 if echo "$varcontents" \| grep "$newcomp:" >> /dev/null; then
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	29 export $varname="`echo $varcontents \| sed s%$newcomp:%%`"
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	30 elif [[ "$varcontents" == "$newcomp" ]] ; then
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	31 unset $varname
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	32 else
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	33 echo $1 not in $varname
de6d0a9a7e3f path_manipulation: more flexible so it can be used on non-PATH items Augie Fackler <durin42@gmail.com> parents: 39 diff changeset	34 fi
0 c30d68fbd368 Initial import from svn. Augie Fackler <durin42@gmail.com> parents: diff changeset	35 }

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annotate .shell.d/00.path_manipulation.sh @ 378:20e47bc8eea9