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Remove external calls to sed using parameter filtering.

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POSIX-compliant per http://stackoverflow.com/a/25536935/632724

Relates to #709
This commit is contained in:
Jordan Harband
2015-04-05 01:26:10 -07:00
parent d50a0f46e9
commit d72b35b7b8
1 changed files with 8 additions and 7 deletions
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15
nvm.sh
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@@ -307,7 +307,7 @@ nvm_is_valid_version() {
}
nvm_normalize_version() {
echo "$1" | command sed -e 's/^v//' | command awk -F. '{ printf("%d%06d%06d\n", $1,$2,$3); }'
echo "${1#v*}" | command awk -F. '{ printf("%d%06d%06d\n", $1,$2,$3); }'
}
nvm_ensure_version_prefix() {
@@ -324,8 +324,7 @@ nvm_format_version() {
local VERSION
VERSION="$(nvm_ensure_version_prefix "$1")"
if [ "_$(nvm_num_version_groups "$VERSION")" != "_3" ]; then
VERSION="$(echo "$VERSION" | command sed -e 's/\.*$/.0/')"
nvm_format_version "$VERSION"
nvm_format_version "${VERSION%*\.}.0"
else
echo "$VERSION"
fi
@@ -338,10 +337,12 @@ nvm_num_version_groups() {
echo "0"
return
fi
VERSION="${VERSION#v*}"
VERSION="${VERSION%\.}"
local NVM_NUM_DOTS
NVM_NUM_DOTS=$(echo "$VERSION" | command sed -e 's/^v//' | command sed -e 's/\.$//' | command sed -e 's/[^\.]//g')
NVM_NUM_DOTS=$(echo "$VERSION" | command sed -e 's/[^\.]//g')
local NVM_NUM_GROUPS
NVM_NUM_GROUPS=".$NVM_NUM_DOTS"
NVM_NUM_GROUPS=".$NVM_NUM_DOTS" # add extra dot, since it's (n - 1) dots at this point
echo "${#NVM_NUM_GROUPS}"
}
@@ -509,7 +510,7 @@ nvm_strip_iojs_prefix() {
if [ "_$1" = "_$NVM_IOJS_PREFIX" ]; then
echo
else
echo "$1" | command sed "s/^$NVM_IOJS_PREFIX-//"
echo "${1#"$NVM_IOJS_PREFIX"-*}"
fi
}
@@ -564,7 +565,7 @@ nvm_ls() {
local NUM_VERSION_GROUPS
NUM_VERSION_GROUPS="$(nvm_num_version_groups "$PATTERN")"
if [ "_$NUM_VERSION_GROUPS" = "_2" ] || [ "_$NUM_VERSION_GROUPS" = "_1" ]; then
PATTERN="$(echo "$PATTERN" | command sed -e 's/\.*$//g')."
PATTERN="${PATTERN%*\.}."
fi
;;
esac