vcsh: Improve comments

diff --git a/vcsh b/vcsh
index 78a94379335cd9c3c831bb7e34d80b222683139b..74b185e8b74efcdf5e93ee43dd7b15f23ce1ce88 100755 (executable)
--- a/vcsh
+++ b/vcsh
@@ -359,8 +359,8 @@ write_gitignore() {
        done | sort -u)
 
        # Contrary to GNU mktemp, mktemp on BSD/OSX requires a template for temp files
-       # Use the template GNU mktemp defaults to
-       # The downside to this is that we need to account for unset TMPDIR
+       # Using a template makes GNU mktemp default to $PWD and not #TMPDIR for tempfile location
+       # To make every OS happy, set full path explicitly
        tempfile=$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX") || fatal "could not create tempfile: '${tempfile}'" 51
 
        echo '*' > "$tempfile" || fatal "could not write to '$tempfile'" 57