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feat(banner): hyperlink startup banner title to latest GitHub release (#14945)

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Wrap the existing version label in the welcome-banner panel title
('Hermes Agent v… · upstream … · local …') with an OSC-8 terminal
hyperlink pointing at the latest git tag's GitHub release page
(https://github.com/NousResearch/hermes-agent/releases/tag/<tag>).

Clickable in modern terminals (iTerm2, WezTerm, Windows Terminal,
GNOME Terminal, Kitty, etc.); degrades to plain text on terminals
without OSC-8 support. No new line added to the banner.

New get_latest_release_tag() helper runs 'git describe --tags
--abbrev=0' in the Hermes checkout (3s timeout, per-process cache,
silent fallback for non-git/pip installs and forks without tags).
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Teknium 2026-04-23 23:28:34 -07:00 • committed by GitHub
parent 2acc8783d1
commit 6051fba9dc
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2 changed files with 119 additions and 1 deletions
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65
tests/hermes_cli/test_banner.py
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@ -68,3 +68,68 @@ def test_build_welcome_banner_uses_normalized_toolset_names():
assert "homeassistant_tools:" not in output
assert "honcho_tools:" not in output
assert "web_tools:" not in output
def test_build_welcome_banner_title_is_hyperlinked_to_release():
"""Panel title (version label) is wrapped in an OSC-8 hyperlink to the GitHub release."""
import io
from unittest.mock import patch as _patch
import hermes_cli.banner as _banner
import model_tools as _mt
import tools.mcp_tool as _mcp
_banner._latest_release_cache = None
tag_url = ("v2026.4.23", "https://github.com/NousResearch/hermes-agent/releases/tag/v2026.4.23")
buf = io.StringIO()
with (
_patch.object(_mt, "check_tool_availability", return_value=(["web"], [])),
_patch.object(_banner, "get_available_skills", return_value={}),
_patch.object(_banner, "get_update_result", return_value=None),
_patch.object(_mcp, "get_mcp_status", return_value=[]),
_patch.object(_banner, "get_latest_release_tag", return_value=tag_url),
):
console = Console(file=buf, force_terminal=True, color_system="truecolor", width=160)
_banner.build_welcome_banner(
console=console, model="x", cwd="/tmp",
session_id="abc123",
tools=[{"function": {"name": "read_file"}}],
get_toolset_for_tool=lambda n: "file",
)
raw = buf.getvalue()
# The existing version label must still be present in the title
assert "Hermes Agent v" in raw, "Version label missing from title"
# OSC-8 hyperlink escape sequence present with the release URL
assert "\x1b]8;" in raw, "OSC-8 hyperlink not emitted"
assert "releases/tag/v2026.4.23" in raw, "Release URL missing from banner output"
def test_build_welcome_banner_title_falls_back_when_no_tag():
"""Without a resolvable tag, the panel title renders as plain text (no hyperlink escape)."""
import io
from unittest.mock import patch as _patch
import hermes_cli.banner as _banner
import model_tools as _mt
import tools.mcp_tool as _mcp
_banner._latest_release_cache = None
buf = io.StringIO()
with (
_patch.object(_mt, "check_tool_availability", return_value=(["web"], [])),
_patch.object(_banner, "get_available_skills", return_value={}),
_patch.object(_banner, "get_update_result", return_value=None),
_patch.object(_mcp, "get_mcp_status", return_value=[]),
_patch.object(_banner, "get_latest_release_tag", return_value=None),
):
console = Console(file=buf, force_terminal=True, color_system="truecolor", width=160)
_banner.build_welcome_banner(
console=console, model="x", cwd="/tmp",
session_id="abc123",
tools=[{"function": {"name": "read_file"}}],
get_toolset_for_tool=lambda n: "file",
)
raw = buf.getvalue()
assert "Hermes Agent v" in raw, "Version label missing from title"
assert "\x1b]8;" not in raw, "OSC-8 hyperlink should not be emitted without a tag"