Add aggregate semantics to Policy Compiler - #1052

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copybara-service[bot] merged 1 commit into
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test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
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test_913930387

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Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '
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Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

Copy link
Copy Markdown
Contributor

Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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1 participant

@l46kok
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix"); } } catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

Copy link
Copy Markdown
Contributor

Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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Labels

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1 participant

@l46kok
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms"); } } catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

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Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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Successfully merging this pull request may close these issues.

1 participant

@l46kok
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links"); } } catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); } })(); (function(){ try { var __m = "youtube.com"; var __re = new RegExp('^' + "youtube\\.com" + '
Skip to content

Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

Copy link
Copy Markdown
Contributor

Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default"); } } catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
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Add aggregate semantics to Policy Compiler - #1052

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copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

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@copybara-servicecopybara-serviceBot commented May 12, 2026

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Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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@l46kok
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers"); } } catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); } })(); (function(){ try { var __m = "*"; var __re = new RegExp('^' + ".*" + '
Skip to content

Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

Copy link
Copy Markdown
Contributor

Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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Labels

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1 participant

@l46kok
, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode"); } } catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); } })(); })();
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Add aggregate semantics to Policy Compiler - #1052

Merged
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387
Jul 31, 2026
Merged

Add aggregate semantics to Policy Compiler#1052
copybara-service[bot] merged 1 commit into
mainfrom
test_913930387

Conversation

@copybara-service

@copybara-servicecopybara-serviceBot commented May 12, 2026

Copy link
Copy Markdown
Contributor

Add aggregate semantics to Policy Compiler

Aggregate walks through all matching rules (including nested ones) and appends them into a list:

rule:
aggregate:
- condition: "true"emit: "'FOO'"
- condition: "true"emit: "'BAR'"# Output: ['FOO', 'BAR']

Few noteworthy design decisions below. All examples assume all conditions matched:

  1. For usability reasons, subrules under an aggregate ancestor will always have their lists flattened:
name: aggregate_flat_flattening_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"emit: "'FALLBACK'"# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
  1. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs optional.none() are pruned (except in cases where policy output explicitly emits an optional.none()):
name: optional_pruning_examplerule:
aggregate:
- rule:
match:
- condition: "1 == 2"output: "'EU_NOTICE'"
- condition: "true"emit: "'ALWAYS'"# Output: ['ALWAYS']
name: explicit_optional_none_examplerule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"output: "optional.none()"# Explicitly authored by user
- condition: "true"emit: "optional.of('ALWAYS')"# Output: [optional.none(), optional.of('ALWAYS')]

Note: nesting aggregate clauses is currently not allowed, and will result in a compilation error.

@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 4 times, most recently from a194d42 to 634780bCompareMay 12, 2026 21:10
@copybara-servicecopybara-serviceBot changed the title Add aggregate semantic to Policy CompilerAdd aggregate semantics to Policy CompilerMay 12, 2026
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 11 times, most recently from 6714afc to 380bcf3CompareMay 13, 2026 23:37
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 2 times, most recently from 7d705ad to f319900CompareMay 20, 2026 21:38
@copybara-service
copybara-serviceBotforce-pushed the test_913930387 branch 10 times, most recently from d97200e to 913d2b1CompareJuly 31, 2026 20:38
Aggregate walks through all matching rules (including nested ones) and appends them into a list:
```yaml
rule:
aggregate:
- condition: "true"
emit: "'FOO'"
- condition: "true"
emit: "'BAR'"
# Output: ['FOO', 'BAR']
```
Few noteworthy design decisions below. All examples assume all conditions matched:
1. For usability reasons, subrules under an aggregate ancestor will always have their **lists flattened**:
```YAML
name: aggregate_flat_flattening_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_admin == true"
output: "['GDPR_STANDARD', 'EU_B2C_NOTICE']"
- condition: "true"
emit: "'FALLBACK'"
# Output: ['GDPR_STANDARD', 'EU_B2C_NOTICE', 'FALLBACK']
```
2. Base case of an aggregate rule is an empty list. Nested conditional rules within an aggregate rule which outputs `optional.none()` are pruned (except in cases where policy output explicitly emits an `optional.none()`):
```YAML
name: optional_pruning_example
rule:
aggregate:
- rule:
match:
- condition: "1 == 2"
output: "'EU_NOTICE'"
- condition: "true"
emit: "'ALWAYS'"
# Output: ['ALWAYS']
```
```YAML
name: explicit_optional_none_example
rule:
aggregate:
- rule:
match:
- condition: "resource.is_b2c == true"
output: "optional.none()" # Explicitly authored by user
- condition: "true"
emit: "optional.of('ALWAYS')"
# Output: [optional.none(), optional.of('ALWAYS')]
```
Note: nesting `aggregate` clauses is currently not allowed, and will result in a compilation error.
PiperOrigin-RevId: 957321565
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Labels

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Development

Successfully merging this pull request may close these issues.

1 participant

@l46kok