feat: init aggregator

Author: aemogie

.github/workflows/aggregate.yml

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+name: Aggregate Repositories
+
+on:
+  schedule:
+    - cron: '0 0 * * *'
+  workflow_dispatch:
+  push:
+    paths:
+      - 'repositories.txt'
+
+permissions:
+  contents: write
+
+jobs:
+  aggregate:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Configure Git
+        run: |
+          git config --global user.name "GitHub Actions"
+          git config --global user.email "[email protected]"
+
+      - name: Run repository aggregation script
+        run: |
+          chmod +x ./aggregate.sh
+          ./aggregate.sh

README.org

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+#+TITLE: guix-aggregator
+an automated repository that aggregates many guix dotfiles to be
+indexed by GitHub's search. this is updated once a day.
+
+if you find your dotfiles in here and would like it removed, please
+feel free to contact me or open a pull request. or if you want to add
+your dotfiles instead, also please, PRs are welcome.
+
+* motivation
+i found myself frequently going through multiple git forges, some of
+which don't have search/grep functionality, trying to find how others
+solved certain problems that i was encountering. this is an attempt to
+aggregate useful guix dotfiles and other guix related projects, so i
+can easily find examples.
+
+* ~repositories.txt~
+this is the list of repositories you might want to change, it is a
+file with three whitespace seperated column, in the format
+#+BEGIN_SRC
+# owner/name		 url						branch
+aemogie/aetheria	 https://codeberg.org/aemogie/aetheria.git 	dev
+#+END_SRC
+
+the first column "owner/name" is used as the subdirectory to clone the
+repository into, the second as the url to the git repository, and the
+final as the branch to be cloned. empty lines and lines starting with
+~#~ are ignored, thus comments have to be on a seperate line.
+

aggregate.sh

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+#!/usr/bin/env bash
+set -euo pipefail
+
+REPOS_FILE="repositories.txt"
+LOCK_FILE="repositories.lock"
+REPOS_DIR="repos"
+
+# PURGE!!
+rm -rf "$REPOS_DIR"
+mkdir -p "$REPOS_DIR"
+rm -f "$LOCK_FILE"
+
+# the `||` is for when there's no trailing new line, but we still have content in the last line
+while read -r path url branch || [[ -n "$path" ]]; do
+  # empty lines and comments allowed
+  [[ -z "$path" || "$path" == \#* ]] && continue
+
+  dir="$REPOS_DIR/$path"
+
+  echo "Cloning repository: $path"
+  mkdir -p "$dir"
+  git clone --quiet --progress --depth 1 --no-tags --branch "$branch" "$url" "$dir"
+
+  hash=$(git -C "$dir" rev-parse HEAD)
+  echo "$path $hash" >> "$LOCK_FILE"
+
+  rm -rf "$dir/.git"
+  echo # newline
+done < "$REPOS_FILE"
+
+last_update=$(git log -1 --format=%cd --date=short 2>/dev/null || echo "initial")
+current_date=$(date +%Y-%m-%d)
+commit_title="Update repositories: $last_update to $current_date"
+commit_body="$(git diff --word-diff HEAD -- "$LOCK_FILE" | tail -n +6)"
+
+git add .
+git commit -m "$commit_title" -m "$commit_body"
+git push origin HEAD

repositories.txt

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+# owner/name		url						branch
+aemogie/aetheria	https://github.com/aemogie/aetheria.git		dev
+abcdw/rde		https://git.sr.ht/~abcdw/rde			master
+anemofilia/zero		https://codeberg.org/anemofilia/zero.git	main
+look/misako		https://codeberg.org/look/misako.git		main
+hako/Testament		https://git.boiledscript.com/hako/Testament.git trunk
+jjba23/sss		https://codeberg.org/jjba23/sss.git		trunk
+divyaranjan/dotfiles	https://codeberg.org/divyaranjan/dotfiles.git	master
+wloxyz/guix-configs	https://codeberg.org/wloxyz/guix-configs.git	main
+lynn/galahad.git	https://git.transistor.house/lynn/galahad.git	main
+ngraves/dotfiles	https://git.sr.ht/~ngraves/dotfiles		main
+
+# this was slow, doubt their servers would be okay with my
+# cronjobs. couldnt find any mirrors
+# freya/dotfiles-guix	https://g.freya.cat/freya/dotfiles-guix.git	main