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bail out early if readlink is not available

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readlink comes from GNU coreutils.  On systems without it, rbenv used to
spin out of control when it didn't have readlink or greadlink available
because it would re-exec the frontend script over and over instead of the
worker script in libexec.

Fixes #389
This commit is contained in:
James FitzGibbon 2013-05-10 14:20:16 -07:00 committed by Mislav Marohnić
parent e93ab45dc3
commit 81bb14e181
3 changed files with 21 additions and 3 deletions
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8
libexec/rbenv
View File

@ -12,8 +12,14 @@ if [ -n "$RBENV_DEBUG" ]; then
set -x
fi
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
resolve_link() {
$(type -p greadlink readlink | head -1) "$1"
$READLINK "$1"
}
abs_dirname() {

8
libexec/rbenv-hooks
View File

@ -19,8 +19,14 @@ if [ -z "$RBENV_COMMAND" ]; then
exit 1
fi
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
resolve_link() {
$(type -p greadlink readlink | head -1) $1
$READLINK "$1"
}
realpath() {

8
libexec/rbenv-init
View File

@ -25,8 +25,14 @@ if [ -z "$shell" ]; then
shell="$(basename "$SHELL")"
fi
READLINK=$(type -p greadlink readlink | head -1)
if [ -z "$READLINK" ]; then
echo "rbenv: cannot find readlink - are you missing GNU coreutils?" >&2
exit 1
fi
resolve_link() {
$(type -p greadlink readlink | head -1) $1
$READLINK "$1"
}
abs_dirname() {