`nvm alias`: explicitly forbid user aliases in subdirs.

nvm.sh

@@ -2318,6 +2318,10 @@ $NVM_LS_REMOTE_POST_MERGED_OUTPUT" | command grep -v "N/A" | command sed '/^$/d'
         nvm unalias "${2-}"
         return $?
       fi
+      if [ "${2#*\/}" != "${2-}" ]; then
+        >&2 echo "Aliases in subdirectories are not supported."
+        return 1
+      fi
       VERSION="$(nvm_version "${3-}")"
       if [ $? -ne 0 ]; then
         echo "! WARNING: Version '${3-}' does not exist." >&2
@@ -2337,6 +2341,10 @@ $NVM_LS_REMOTE_POST_MERGED_OUTPUT" | command grep -v "N/A" | command sed '/^$/d'
         >&2 nvm help
         return 127
       fi
+      if [ "${2#*\/}" != "${2-}" ]; then
+        >&2 echo "Aliases in subdirectories are not supported."
+        return 1
+      fi
       [ ! -f "$NVM_ALIAS_DIR/$2" ] && echo "Alias $2 doesn't exist!" >&2 && return
       local NVM_ALIAS_ORIGINAL
       NVM_ALIAS_ORIGINAL="$(nvm_alias "$2")"

test/fast/Aliases/"nvm alias" should not accept aliases with slashes

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+OUTPUT="$(nvm alias foo/bar baz 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to create an alias with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm alias foo/bar baz >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to create an alias with a slash should fail with code 1, got '$EXIT_CODE'"
+
+OUTPUT="$(nvm alias foo/ baz 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to create an alias ending with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm alias foo/ baz >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to create an alias ending with a slash should fail with code 1, got '$EXIT_CODE'"
+
+OUTPUT="$(nvm alias /bar baz 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to create an alias starting with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm alias /bar baz >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to create an alias starting with a slash should fail with code 1, got '$EXIT_CODE'"
+

test/fast/Aliases/"nvm unalias" should not accept aliases with slashes

@@ -0,0 +1,27 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+
+die () { echo $@ ; exit 1; }
+
+OUTPUT="$(nvm unalias foo/bar 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to remove an alias with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm unalias foo/bar >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to remove an alias with a slash should fail with code 1, got '$EXIT_CODE'"
+
+OUTPUT="$(nvm unalias foo/ 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to remove an alias ending with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm unalias foo/ >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to remove an alias ending with a slash should fail with code 1, got '$EXIT_CODE'"
+
+OUTPUT="$(nvm unalias /bar 2>&1)"
+EXPECTED_OUTPUT="Aliases in subdirectories are not supported."
+[ "$OUTPUT" = "$EXPECTED_OUTPUT" ] || die "trying to remove an alias starting with a slash should fail with '$EXPECTED_OUTPUT', got '$OUTPUT'"
+
+EXIT_CODE="$(nvm unalias /bar >/dev/null 2>&1 ; echo $?)"
+[ "$EXIT_CODE" = "1" ] || die "trying to remove an alias starting with a slash should fail with code 1, got '$EXIT_CODE'"
+