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Use symlinks for aliases

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This commit is contained in:
Dr. Kibitz 2014-02-16 00:01:41 -08:00
parent 0d44ed1126
commit 50bdb173a0
3 changed files with 20 additions and 11 deletions
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25
nvm.sh
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@ -78,8 +78,8 @@ nvm_ls() {
return
fi
if [ -f "$NVM_DIR/alias/$PATTERN" ]; then
nvm_version `cat $NVM_DIR/alias/$PATTERN`
if [ -h "$NVM_DIR/alias/$PATTERN" ]; then
nvm_version $(basename $(readlink $NVM_DIR/alias/$PATTERN))
return
fi
# If it looks like an explicit version, don't do anything funny
@ -373,9 +373,11 @@ nvm() {
echo "Uninstalled node $VERSION"
# Rm any aliases that point to uninstalled version.
for ALIAS in `\grep -l $VERSION $NVM_DIR/alias/* 2>/dev/null`
for ALIAS in $NVM_DIR/alias/*
do
nvm unalias `basename $ALIAS`
if [ $(expr $(readlink $ALIAS) : ".*${VERSION}.*") -ne 0 ]; then
nvm unalias $(basename $ALIAS)
fi
done
;;
@ -491,7 +493,7 @@ nvm() {
local DEST
for ALIAS in $NVM_DIR/alias/$2*; do
if [ -e "$ALIAS" ]; then
DEST=`cat $ALIAS`
DEST=$(basename $(readlink $ALIAS))
VERSION=`nvm_version $DEST`
if [ "$DEST" = "$VERSION" ]; then
echo "$(basename $ALIAS) -> $DEST"
@ -512,17 +514,24 @@ nvm() {
if [ $? -ne 0 ]; then
echo "! WARNING: Version '$3' does not exist." >&2
fi
echo $3 > "$NVM_DIR/alias/$2"
# We are linking directories, so explicitly remove it rather than forcing with ln -f
if [ -h "$NVM_DIR/alias/$2" ]; then
rm -f "$NVM_DIR/alias/$2"
fi
if [ ! "$3" = "$VERSION" ]; then
echo "$2 -> $3 (-> $VERSION)"
# link to other alias
ln -s "./$3" "$NVM_DIR/alias/$2"
echo "$2 -> $3 (-> $VERSION)"
else
# link to node installation
ln -s "../$3" "$NVM_DIR/alias/$2"
echo "$2 -> $3"
fi
;;
"unalias" )
mkdir -p $NVM_DIR/alias
[ $# -ne 2 ] && nvm help && return
[ ! -f $NVM_DIR/alias/$2 ] && echo "Alias $2 doesn't exist!" && return
[ ! -h $NVM_DIR/alias/$2 ] && echo "Alias $2 doesn't exist!" && return
rm -f $NVM_DIR/alias/$2
echo "Deleted alias $2"
;;

2
test/fast/Running "nvm alias" should create a file in the alias directory.
View File

@ -2,4 +2,4 @@
. ../../nvm.sh
nvm alias test v0.1.2
[ $(cat ../../alias/test) = 'v0.1.2' ]
[ -h ../../alias/test ] && [ $(readlink ../../alias/test) = '../v0.1.2' ]

4
test/fast/Running "nvm unalias" should remove the alias file.
View File

@ -1,6 +1,6 @@
#!/bin/sh
echo v0.1.2 > ../../alias/test
ln -s ../v0.1.2 ../../alias/test
. ../../nvm.sh
nvm unalias test
! [ -e ../../alias/test ]
! [ -h ../../alias/test ]