Add environment variable expansion in link paths

This feature was proposed by Brian Knobbs <brian@redlattice.com>.

3 files changed, 61 insertions, 0 deletions

diff --git a/test/tests/link-environment-variable-expansion-source.bash b/test/tests/link-environment-variable-expansion-source.bash
new file mode 100644
index 0000000..50456d6
--- /dev/null
+++ b/test/tests/link-environment-variable-expansion-source.bash
@@ -0,0 +1,18 @@
+test_description='link expands environment variables in source'
+. '../test-lib.bash'
+
+test_expect_success 'setup' '
+echo "grape" > ${DOTFILES}/h
+'
+
+test_expect_success 'run' '
+export APPLE="h" &&
+run_dotbot <<EOF
+- link:
+    ~/.i: \$APPLE
+EOF
+'
+
+test_expect_success 'test' '
+grep "grape" ~/.i
+'
diff --git a/test/tests/link-environment-variable-expansion-target.bash b/test/tests/link-environment-variable-expansion-target.bash
new file mode 100644
index 0000000..3a2e4dd
--- /dev/null
+++ b/test/tests/link-environment-variable-expansion-target.bash
@@ -0,0 +1,25 @@
+test_description='link expands environment variables in target'
+. '../test-lib.bash'
+
+test_expect_success 'setup' '
+echo "apple" > ${DOTFILES}/f &&
+echo "grape" > ${DOTFILES}/h
+'
+
+test_expect_success 'run' '
+export ORANGE=".config" &&
+export BANANA="g" &&
+unset PEAR &&
+run_dotbot <<EOF
+- link:
+    ~/\${ORANGE}/\$BANANA:
+      path: f
+      create: true
+    ~/\$PEAR: h
+EOF
+'
+
+test_expect_success 'test' '
+grep "apple" ~/.config/g &&
+grep "grape" ~/\$PEAR
+'
diff --git a/test/tests/link-environment-variable-unset.bash b/test/tests/link-environment-variable-unset.bash
new file mode 100644
index 0000000..8673729
--- /dev/null
+++ b/test/tests/link-environment-variable-unset.bash
@@ -0,0 +1,18 @@
+test_description='link leaves unset environment variables'
+. '../test-lib.bash'
+
+test_expect_success 'setup' '
+echo "apple" > ${DOTFILES}/\$ORANGE
+'
+
+test_expect_success 'run' '
+unset ORANGE &&
+run_dotbot <<EOF
+- link:
+    ~/.f: \$ORANGE
+EOF
+'
+
+test_expect_success 'test' '
+grep "apple" ~/.f
+'