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-rw-r--r--README.md2
-rwxr-xr-xupdate.sh8
2 files changed, 9 insertions, 1 deletions
diff --git a/README.md b/README.md
index 3b37c7e..3a96530 100644
--- a/README.md
+++ b/README.md
@@ -90,6 +90,8 @@ More precisely, the corresponding directory names must match the
Consequently, `ProgramFiles(x86)` (and other weird variable names Windows
allows) are not supported.
+A special variable name `CONFIG_LINKS_ROOT` is resolved to the root path, "/".
+
License
-------
diff --git a/update.sh b/update.sh
index 77a48a1..3d64cb6 100755
--- a/update.sh
+++ b/update.sh
@@ -161,6 +161,11 @@ resolve_variable() {
return 0
fi
+ if [ "$var_name" = "$root_var_name" ]; then
+ echo ''
+ return 0
+ fi
+
if [ -z "${!var_name+x}" ]; then
dump "variable is not set: $var_name" >&2
return 1
@@ -178,6 +183,7 @@ cache_variable() {
done
}
+readonly root_var_name='CONFIG_LINKS_ROOT'
readonly var_name_regex='%\([_[:alpha:]][_[:alnum:]]*\)%'
extract_variable_name() {
@@ -278,7 +284,7 @@ delete_obsolete_dirs() {
return 1
fi
- ( cd -- "$base_dir" && rmdir -p --ignore-fail-on-non-empty -- "$subpath" )
+ ( cd -- "$base_dir/" && rmdir -p --ignore-fail-on-non-empty -- "$subpath" )
}
delete_obsolete_entries() {