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Prefer using an HTML table with user-select: none in GHA logs #2200

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Merged
merged 2 commits into from
Oct 13, 2025
Merged

Prefer using an HTML table with user-select: none in GHA logs #2200

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5e15238
Revert "Merge pull request #2199 from Urgau/gha-logs-better-uncopy"
Urgau Oct 13, 2025
c5b3e75
Prefer using an HTML table with `user-select: none` in GHA logs
Urgau Oct 13, 2025
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45 changes: 24 additions & 21 deletions src/gha_logs.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -211,30 +211,20 @@ pub async fn gha_logs(
<title>{job_name} - {owner}/{repo}@{short_sha}</title>
{icon_status}
<style>
:root {{
--timestamp-length: 28ch;
}}
body {{
font: 14px SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
background: #0C0C0C;
color: #CCC;
white-space: pre;
padding-left: calc(var(--timestamp-length) + 1ch);
margin: 0;
}}
.timestamp {{
color: #848484;
user-select: none;
text-decoration: none;
position: absolute;
left: 0;
width: var(--timestamp-length);
}}
.timestamp:hover {{
text-decoration: underline;
}}
.timestamp::before {{
content: attr(data-timestamp);
}}
.error-marker {{
scroll-margin-bottom: 15vh;
color: #e5534b;
Expand Down Expand Up @@ -281,14 +271,19 @@ body {{
var html = ansi_up.ansi_to_html(logs);

// 2. Remove UTF-8 useless BOM
if (html.charCodeAt(0) === 0xFEFF) {{
html = html.substr(1);
}}

// 3. Add a self-referencial anchor to all timestamps at the start of the lines
const dateRegex = /^(\d{{4}}-\d{{2}}-\d{{2}}T\d{{2}}:\d{{2}}:\d{{2}}\.\d+Z) /gm;
html = html.replace(dateRegex, (match, ts) =>
`<a id="${{ts}}" href="#${{ts}}" class="timestamp" data-timestamp="${{ts}}"></a>`
html = html.replace(/^\uFEFF/gm, "");

// 3. Transform each log lines that doesn't start with a timestamp into a row where everything is in the second column
const untsRegex = /^(?!\d{{4}}-\d{{2}}-\d{{2}}T\d{{2}}:\d{{2}}:\d{{2}}\.\d+Z)(.*)$/gm;
html = html.replace(untsRegex, (match, log) =>
`<tr><td></td><td>${{log}}</td></tr>`
);

// 3.b Transform each log lines that start with a timestamp in a row with two columns and make the timestamp be a
// self-referencial anchor.
const tsRegex = /^(\d{{4}}-\d{{2}}-\d{{2}}T\d{{2}}:\d{{2}}:\d{{2}}\.\d+Z) (.*)$/gm;
html = html.replace(tsRegex, (match, ts, log) =>
`<tr><td><a id="${{ts}}" href="#${{ts}}" class="timestamp">${{ts}}</a></td><td>${{log}}</td></tr>`
);

// 4. Add a anchor around every "##[error]" string
Expand Down Expand Up @@ -335,8 +330,8 @@ body {{
return `${{boundary_start}}<a href="https://github.com/{owner}/{repo}/blob/{sha}/${{path}}${{pos}}" class="path-marker">${{inner}}</a>${{boundary_end}}`;
}});

// 6. Add the html to the DOM
document.body.innerHTML = html;
// 6. Add the html to the table
document.getElementById("logs").innerHTML = html;

// 7. If no anchor is given, scroll to the last error
if (location.hash === "" && errorCounter >= 0) {{
Expand All @@ -362,6 +357,14 @@ body {{
</script>
</head>
<body>
<table style="table-layout: fixed; width: 100%">
<colgroup>
<col style="width: 29ch">
<col style="width: 100%">
</colgroup>
<tbody id="logs">
</tbody>
</table>
</body>
</html>"###,
);
Expand Down