change ALWAYS_CACHE=True default (#891)

* set `ALWAYS_CACHE=True`

* fix tests

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* remove legacy `git_only_repo` test

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* fix line length

* update tests, update warning

---------

Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

tests/files/dvc_config/add.yaml

@@ -5,6 +5,6 @@ stages:
     - LICENSE
     metrics:
     - nodes/ReadFile/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/ReadFile/content.json

tests/files/dvc_config/apply.yaml

@@ -3,7 +3,7 @@ stages:
     cmd: zntrack run zntrack.examples.nodes.ParamsToOuts --name ParamsToOuts
     metrics:
     - nodes/ParamsToOuts/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/ParamsToOuts/outs.json
     params:
@@ -12,7 +12,7 @@ stages:
     cmd: zntrack run zntrack.examples.nodes.ParamsToOuts --name ParamsToOuts_1 --method join
     metrics:
     - nodes/ParamsToOuts_1/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/ParamsToOuts_1/outs.json
     params:
@@ -21,7 +21,7 @@ stages:
     cmd: zntrack run zntrack.examples.nodes.ParamsToOuts --name ParamsToOuts_2 --method join
     metrics:
     - nodes/ParamsToOuts_2/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/ParamsToOuts_2/outs.json
     params:

tests/files/dvc_config/basic.yaml

@@ -23,7 +23,7 @@ stages:
     - nodes/MyNode/my_metrics.json:
         cache: false
     - nodes/MyNode/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - no-cache-plots.json:
         cache: false

tests/files/dvc_config/combined_dependencies.yaml

@@ -3,14 +3,14 @@ stages:
     cmd: zntrack run test_combined_dependencies.NodeA --name NodeA
     metrics:
     - nodes/NodeA/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/NodeA/results.json
   NodeA_1:
     cmd: zntrack run test_combined_dependencies.NodeA --name NodeA_1
     metrics:
     - nodes/NodeA_1/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/NodeA_1/results.json
   NodeB:
@@ -20,4 +20,4 @@ stages:
     - nodes/NodeA_1/results.json
     metrics:
     - nodes/NodeB/node-meta.json:
-        cache: false
+        cache: true

tests/files/dvc_config/custom_field.yaml

@@ -3,6 +3,6 @@ stages:
     cmd: zntrack run test_custom_field.TextNode --name TextNode
     metrics:
     - nodes/TextNode/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/TextNode/content.h5

tests/files/dvc_config/custom_module.yaml

@@ -3,4 +3,4 @@ stages:
     cmd: zntrack run zntrack.mymodule.NodeFromCustomModule --name NodeFromCustomModule
     metrics:
     - nodes/NodeFromCustomModule/node-meta.json:
-        cache: false
+        cache: true

tests/files/dvc_config/dataclass_deps.yaml

@@ -3,21 +3,21 @@ stages:
     cmd: zntrack run test_dataclass_deps.MD --name MD
     metrics:
     - nodes/MD/node-meta.json:
-        cache: false
+        cache: true
     params:
     - MD
   md2_MD2:
     cmd: zntrack run test_dataclass_deps.MD2 --name md2_MD2
     metrics:
     - nodes/md2/MD2/node-meta.json:
-        cache: false
+        cache: true
     params:
     - md2_MD2
   md3_MD:
     cmd: zntrack run test_dataclass_deps.MD --name md3_MD
     metrics:
     - nodes/md3/MD/node-meta.json:
-        cache: false
+        cache: true
     params:
     - md3_MD
   multiple_deps_MD:
@@ -26,13 +26,13 @@ stages:
     - nodes/multiple_deps/MLThermostat/node-meta.json
     metrics:
     - nodes/multiple_deps/MD/node-meta.json:
-        cache: false
+        cache: true
     params:
     - multiple_deps_MD
   multiple_deps_MLThermostat:
     cmd: zntrack run test_dataclass_deps.MLThermostat --name multiple_deps_MLThermostat
     metrics:
     - nodes/multiple_deps/MLThermostat/node-meta.json:
-        cache: false
+        cache: true
     params:
     - multiple_deps_MLThermostat

tests/files/dvc_config/dependencies.yaml

@@ -13,14 +13,11 @@ stages:
   NodeA1:
     cmd: zntrack run test_dependencies.NodeA1 --name NodeA1
     metrics:
-    - nodes/NodeA1/a.json:
-        cache: false
-    - nodes/NodeA1/b.json:
-        cache: false
-    - nodes/NodeA1/metrics.json:
-        cache: false
+    - nodes/NodeA1/a.json
+    - nodes/NodeA1/b.json
+    - nodes/NodeA1/metrics.json
     - nodes/NodeA1/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/NodeA1/my_output.txt
     - nodes/NodeA1/p1.csv
@@ -30,14 +27,11 @@ stages:
   NodeA2:
     cmd: zntrack run test_dependencies.NodeA2 --name NodeA2
     metrics:
-    - nodes/NodeA2/a.json:
-        cache: false
-    - nodes/NodeA2/b.json:
-        cache: false
-    - nodes/NodeA2/metrics.json:
-        cache: false
+    - nodes/NodeA2/a.json
+    - nodes/NodeA2/b.json
+    - nodes/NodeA2/metrics.json
     - nodes/NodeA2/node-meta.json:
-        cache: false
+        cache: true
     outs:
     - nodes/NodeA2/my_output.txt
     - nodes/NodeA2/p1.csv
@@ -52,7 +46,7 @@ stages:
     - nodes/NodeA2/results.json
     metrics:
     - nodes/NodeB/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC
     deps:
@@ -66,51 +60,51 @@ stages:
     - nodes/NodeA1/results.json
     metrics:
     - nodes/dependent/NodeC/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_1:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_1
     deps:
     - nodes/NodeA1/results.json
     metrics:
     - nodes/dependent/NodeC_1/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_2:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_2
     deps:
     - nodes/NodeA1/metrics.json
     metrics:
     - nodes/dependent/NodeC_2/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_3:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_3
     deps:
     - nodes/NodeA1/plots.csv
     metrics:
     - nodes/dependent/NodeC_3/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_4:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_4
     deps:
     - nodes/NodeA1/my_output.txt
     metrics:
     - nodes/dependent/NodeC_4/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_5:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_5
     deps:
     - nodes/NodeA1/a.json
     - nodes/NodeA1/b.json
     metrics:
     - nodes/dependent/NodeC_5/node-meta.json:
-        cache: false
+        cache: true
   dependent_NodeC_6:
     cmd: zntrack run test_dependencies.NodeC --name dependent_NodeC_6
     deps:
     - nodes/NodeA1/p1.csv
     - nodes/NodeA1/p2.csv
     metrics:
     - nodes/dependent/NodeC_6/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC
     deps:
@@ -125,39 +119,39 @@ stages:
     - nodes/NodeA2/results.json
     metrics:
     - nodes/independent/NodeC/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_1:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_1
     deps:
     - nodes/NodeA2/node-meta.json
     - nodes/NodeA2/results.json
     metrics:
     - nodes/independent/NodeC_1/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_2:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_2
     deps:
     - nodes/NodeA2/metrics.json
     - nodes/NodeA2/node-meta.json
     metrics:
     - nodes/independent/NodeC_2/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_3:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_3
     deps:
     - nodes/NodeA2/node-meta.json
     - nodes/NodeA2/plots.csv
     metrics:
     - nodes/independent/NodeC_3/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_4:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_4
     deps:
     - nodes/NodeA2/my_output.txt
     - nodes/NodeA2/node-meta.json
     metrics:
     - nodes/independent/NodeC_4/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_5:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_5
     deps:
@@ -166,7 +160,7 @@ stages:
     - nodes/NodeA2/node-meta.json
     metrics:
     - nodes/independent/NodeC_5/node-meta.json:
-        cache: false
+        cache: true
   independent_NodeC_6:
     cmd: zntrack run test_dependencies.NodeC --name independent_NodeC_6
     deps:
@@ -175,23 +169,23 @@ stages:
     - nodes/NodeA2/p2.csv
     metrics:
     - nodes/independent/NodeC_6/node-meta.json:
-        cache: false
+        cache: true
   property_NodeC:
     cmd: zntrack run test_dependencies.NodeC --name property_NodeC
     deps:
     - nodes/property/NodeWithProperty/node-meta.json
     metrics:
     - nodes/property/NodeC/node-meta.json:
-        cache: false
+        cache: true
   property_NodeC_1:
     cmd: zntrack run test_dependencies.NodeC --name property_NodeC_1
     deps:
     - nodes/property/NodeWithProperty/node-meta.json
     metrics:
     - nodes/property/NodeC_1/node-meta.json:
-        cache: false
+        cache: true
   property_NodeWithProperty:
     cmd: zntrack run test_dependencies.NodeWithProperty --name property_NodeWithProperty
     metrics:
     - nodes/property/NodeWithProperty/node-meta.json:
-        cache: false
+        cache: true

tests/files/dvc_config/groups.yaml

@@ -3,34 +3,34 @@ stages:
     cmd: zntrack run test_groups.MyNode --name Grp_B_MyNode
     metrics:
     - nodes/Grp/B/MyNode/node-meta.json:
-        cache: false
+        cache: true
     params:
     - Grp_B_MyNode
   Grp_MyNode:
     cmd: zntrack run test_groups.MyNode --name Grp_MyNode
     metrics:
     - nodes/Grp/MyNode/node-meta.json:
-        cache: false
+        cache: true
     params:
     - Grp_MyNode
   Grp_MyNode_1:
     cmd: zntrack run test_groups.MyNode --name Grp_MyNode_1
     metrics:
     - nodes/Grp/MyNode_1/node-meta.json:
-        cache: false
+        cache: true
     params:
     - Grp_MyNode_1
   Grp_MyNode_2:
     cmd: zntrack run test_groups.MyNode --name Grp_MyNode_2
     metrics:
     - nodes/Grp/MyNode_2/node-meta.json:
-        cache: false
+        cache: true
     params:
     - Grp_MyNode_2
   MyNode:
     cmd: zntrack run test_groups.MyNode --name MyNode
     metrics:
     - nodes/MyNode/node-meta.json:
-        cache: false
+        cache: true
     params:
     - MyNode

tests/files/dvc_config/meta_params.yaml

@@ -4,4 +4,4 @@ stages:
     cmd: zntrack run test_meta_params.MyNode --name some-node
     metrics:
     - nodes/some-node/node-meta.json:
-        cache: false
+        cache: true

tests/files/dvc_config/metrics_deps.yaml

@@ -4,25 +4,22 @@ stages:
     deps:
     - nodes/ParamsToMetrics/metrics.json
     metrics:
-    - nodes/DepsToMetrics/metrics.json:
-        cache: false
+    - nodes/DepsToMetrics/metrics.json
     - nodes/DepsToMetrics/node-meta.json:
-        cache: false
+        cache: true
   DepsToMetrics_1:
     cmd: zntrack run zntrack.examples.nodes.DepsToMetrics --name DepsToMetrics_1
     deps:
     - nodes/ParamsToMetrics/node-meta.json
     metrics:
-    - nodes/DepsToMetrics_1/metrics.json:
-        cache: false
+    - nodes/DepsToMetrics_1/metrics.json
     - nodes/DepsToMetrics_1/node-meta.json:
-        cache: false
+        cache: true
   ParamsToMetrics:
     cmd: zntrack run zntrack.examples.nodes.ParamsToMetrics --name ParamsToMetrics
     metrics:
-    - nodes/ParamsToMetrics/metrics.json:
-        cache: false
+    - nodes/ParamsToMetrics/metrics.json
     - nodes/ParamsToMetrics/node-meta.json:
-        cache: false
+        cache: true
     params:
     - ParamsToMetrics