use ninja for building

config.py

@@ -0,0 +1,88 @@
+import os.path
+
+gen = """
+rule regen
+  command     = python config.py
+  generator   = 1
+
+rule typst
+  depfile = $out.d
+  command = eval "typst compile --root . --features html -j 6 $flags $in $out --make-deps $out.d"
+
+rule git_inp
+  command = git log -1 --format="--input git_rev=%H --input git_commit_date=\\\"%ad\\\"" --date="format:%d. %B %Y %H:%M" -- $in > $out
+
+rule badges_list
+  command = typst query $in "<meta-people>" --root . --input query=true --field value --one | jq -r . | jq -r 'to_entries[] | [.key,.value.badge] | @tsv' > $out
+
+rule curl
+  command = curl $url > $out
+
+rule cp
+  command = cp $in $out
+
+build build/badges.txt: badges_list common.typ
+
+build build.ninja: regen config.py build/badges.txt
+"""
+
+pages = [
+    "article-make-regex-engine-1.typ",
+    "project-etc-nand.typ",
+    "index.typ",
+    "compiler-pattern-matching.typ",
+    "article-favicon.typ",
+]
+
+variants = [
+    {
+        "suffix": ".min.pdf",
+        "args": "--format pdf --input web=false",
+    },
+    {
+        "suffix": ".min.html",
+        "args": "--format html --input web=false",
+    },
+    {
+        "suffix": ".desktop.html",
+        "args": "--format html --input web=true",
+    },
+    {
+        "suffix": ".nano.html",
+        "args": "--format html --input web=false --input nano=true",
+    },
+]
+
+for page in pages:
+    gr = "build/" + page + ".git_rev.txt"
+    gen += "\n"
+    gen += "build "+gr+" : git_inp pages/" + page
+    for var in variants:
+        gen += "\n"
+        gen += "build build/" + page + var["suffix"] + " : typst " + "pages/" + page + " | "+gr+"\n"
+        gen += "  flags = " + var["args"] + " $$(cat "+gr+")\n"
+
+if os.path.isfile("build/badges.txt"):
+    badges = None
+    with open("build/badges.txt", "r") as f:
+        badges = f.read().split("\n")
+    for badge in badges:
+        badge = badge.strip()
+        if len(badge) == 0:
+            continue
+        badge = badge.split("\t")
+        user = badge[0]
+        url = badge[1]
+        gen += "\n"
+        gen += "build res/badges/" + user + ": "
+        if user == "alex":
+            gen += "cp res/badge.png\n"
+        else:
+            gen += "curl\n"
+            gen += "  url = "+url+"\n"
+
+gen += "\n"
+gen += "build build/index.html : cp build/index.typ.desktop.html\n"
+
+with open("build.ninja", "w") as f:
+    f.write(gen)