docs: code generation for release info

.gitignore

@@ -6,6 +6,7 @@
 /pkg
 /target/
 /gh_pages/
+/docs/installation.md
 **/*.rs.bk
 .*.sw*
 /esctest.log

ci/build-docs.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+[[ -f /tmp/wezterm.releases.json ]] || curl https://api.github.com/repos/wez/wezterm/releases > /tmp/wezterm.releases.json
+python3 ci/subst-release-info.py
+mdbook build docs
+

ci/subst-release-info.py

@@ -0,0 +1,71 @@
+#!/usr/bin/env python3
+import json
+import sys
+
+def release_to_links(rel):
+    source = None
+    macos = None
+    fedora = None
+    ubuntu = None
+    windows = None
+    linux_bin = None
+
+    for asset in rel["assets"]:
+        url = asset["browser_download_url"]
+        name = asset["name"]
+        if "-src.tar.gz" in name:
+            source = (url, name)
+        elif ".deb" in name:
+            ubuntu = (url, name)
+        elif ".tar.xz" in name:
+            linux_bin = (url, name)
+        elif ".rpm" in name:
+            fedora = (url, name)
+        elif "WezTerm-macos-" in name:
+            macos = (url, name)
+        elif "WezTerm-windows-" in name:
+            windows = (url, name)
+
+    return {
+        "source": source,
+        "ubuntu": ubuntu,
+        "linux_bin": linux_bin,
+        "fedora": fedora,
+        "macos": macos,
+        "windows": windows,
+    }
+
+
+def load_release_info():
+    with open("/tmp/wezterm.releases.json") as f:
+        release_info = json.load(f)
+
+    latest = release_info[0]
+    nightly = None
+    for rel in release_info:
+        if rel["tag_name"] == "nightly":
+            nightly = rel
+            break
+
+    latest = release_to_links(latest)
+    nightly = release_to_links(nightly)
+
+    subst = {}
+    for (kind, (url, name)) in latest.items():
+        subst["{{ %s_stable }}" % kind] = url
+        subst["{{ %s_stable_asset }}" % kind] = name
+    for (kind, (url, name)) in nightly.items():
+        subst["{{ %s_pre }}" % kind] = url
+        subst["{{ %s_pre_asset }}" % kind] = name
+
+    with open("docs/installation.markdown", "r") as input:
+        with open("docs/installation.md", "w") as output:
+            for line in input:
+                for (search, replace) in subst.items():
+                    line = line.replace(search, replace)
+                output.write(line)
+
+def main():
+    load_release_info()
+
+main()

docs/SUMMARY.md

@@ -1,5 +1,5 @@
 [wezterm](index.markdown)
-- [Install](installation.markdown)
+- [Install](installation.md)
 - [Features](features.markdown)
 - [Change Log](changelog.markdown)
 - [Configuration](config/index.markdown)

docs/book.toml

@@ -6,4 +6,3 @@ src = "."
 [build]
 build-dir = "../gh_pages"
 create-missing = false
-

docs/installation.markdown

@@ -1,44 +1,3 @@
----
-title: Installation
----
-
-{% assign releases = site.github.releases | sort:"created_at" | reverse %}
-{% for r in releases %}
-{% if r.prerelease %}
-{% for asset in r.assets %}
-{%   if asset.name contains 'windows' and windows_pre == nil %}
-{%     assign windows_pre = asset.browser_download_url %}
-{%   endif %}
-{%   if asset.name contains 'macos' and macos_pre == nil %}
-{%     assign macos_pre = asset.browser_download_url %}
-{%   endif %}
-{%   if asset.name contains '.deb' and deb_pre == nil %}
-{%     assign deb_pre = asset.browser_download_url %}
-{%   endif %}
-{%   if asset.name contains '.rpm' and fedora_pre == nil %}
-{%     assign fedora_pre = asset.browser_download_url %}
-{%   endif %}
-{% endfor %}
-{% else %}
-{% for asset in r.assets %}
-{%   if asset.name contains 'windows' and windows_stable == nil %}
-{%     assign windows_stable = asset.browser_download_url %}
-{%   endif %}
-{%   if asset.name contains 'macos' and macos_stable == nil %}
-{%     assign macos_stable = asset.browser_download_url %}
-{%   endif %}
-{%   if asset.name contains '.deb' and deb_stable == nil %}
-{%     assign deb_stable = asset.browser_download_url %}
-{%     assign deb_stable_asset = asset.name %}
-{%   endif %}
-{%   if asset.name contains '.rpm' and fedora_stable == nil %}
-{%     assign fedora_stable = asset.browser_download_url %}
-{%     assign fedora_stable_asset = asset.name %}
-{%   endif %}
-{% endfor %}
-{% endif %}
-{% endfor %}
-
 
 ## Installing a pre-built package on Windows
 
@@ -69,10 +28,10 @@ versions of macOS, but that has not been tested.
 The CI system builds a `.deb` file on Ubuntu 16.04.  It is compatible with other
 debian style systems, including Debian 9 (Stretch) and later versions.
 
-<a href="{{ deb_stable }}" class="btn">Download for Ubuntu</a>
+<a href="{{ ubuntu_stable }}" class="btn">Download for Ubuntu</a>
-<a href="{{ deb_pre }}" class="btn">Nightly for Ubuntu</a>
+<a href="{{ ubuntu_pre }}" class="btn">Nightly for Ubuntu</a>
-* <tt>curl -LO <a href="{{ deb_stable }}">{{ deb_stable }}</a></tt>
+* <tt>curl -LO <a href="{{ ubuntu_stable }}">{{ ubuntu_stable }}</a></tt>
-* `sudo apt install -y ./{{ deb_stable_asset }}`
+* `sudo apt install -y ./{{ ubuntu_stable_asset }}`
 * The package installs `/usr/bin/wezterm` and `/usr/share/applications/wezterm.desktop`
 * Configuration instructions can be [found here](configuration.html)
 
@@ -81,7 +40,7 @@ debian style systems, including Debian 9 (Stretch) and later versions.
 The CI system builds an `.rpm` file on Fedora 31.
 
 <a href="{{ fedora_stable }}" class="btn">Download for Fedora</a>
-<a href="{{ fedora_pre }}" class="btn">{Nightly for Fedora</a>
+<a href="{{ fedora_pre }}" class="btn">Nightly for Fedora</a>
 * <tt>curl -LO <a href="{{ fedora_stable }}">{{ fedora_stable }}</a></tt>
 * `sudo dnf install -y ./{{ fedora_stable_asset }}`
 * The package installs `/usr/bin/wezterm` and `/usr/share/applications/wezterm.desktop`