Add tectonic (I guess)

anda/tectonic/anda.hcl

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+project "pkg" {
+    rpm {
+        spec = "tectonic.spec"
+        sources = "."
+    }
+}

anda/tectonic/chkupdate.py

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+import os
+import requests
+import re
+
+NAME = 'tectonic'
+REPO = "tectonic-typesetting/tectonic"
+REGEX_VER = r'Version:\s*([\.\d]+)\n'
+SPEC = f"{NAME}.spec"
+LINK = f'https://api.github.com/repos/{REPO}/releases/latest'
+
+
+ver = requests.get(LINK).json()['tag_name']
+with open(SPEC, 'r') as f:
+    matches = re.findall(REGEX_VER, f.read())
+if not len(matches): exit(f"{NAME}: Failed to match regex!")
+cur = matches[0]
+if ver == cur: exit(f'{NAME}: Up to date!')
+print(f'{NAME}: {cur} -> {ver}')
+os.system(f'rpmdev-bumpspec -n {ver} {SPEC}')

anda/tectonic/tectonic.spec

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+Name:           tectonic
+Version:        0.12.0
+Release:        %autorelease
+Summary:        A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive
+URL:            https://github.com/tectonic-typesetting/tectonic
+License:        MIT
+Source0:        %{url}/archive/refs/tags/tectonic@%{version}.tar.gz
+Requires:       r-openssl harfbuzz-icu libpng freetype graphite2 zlib fontconfig
+BuildRequires:  cargo gcc gcc-c++ mold
+
+%description
+Tectonic is a modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.
+
+%build
+cargo build
+
+
+%install
+cargo install
+
+
+%files
+%doc README.md
+%license LICENSE