add autocommit tooling, update commits

7 files changed, 288 insertions, 24 deletions

diff --git a/channels.scm b/channels.scm
index fa49aab..fa63fed 100644
--- a/channels.scm
+++ b/channels.scm
@@ -3,7 +3,7 @@
         (url "https://git.savannah.gnu.org/git/guix.git")
         (branch "master")
         (commit
-          "d97a67d41de142c0fbdba55e96bfc147482bfae2")
+          "c56505e399834a3f68cf2b6715b42f12ceea217a")
         (introduction
           (make-channel-introduction
             "9edb3f66fd807b096b48283debdcddccfea34bad"
@@ -25,7 +25,7 @@
         (url "https://g.freya.cat/freya/sakura")
         (branch "main")
         (commit
-          "e6d80dd95a7fcd205265094c0047d0c2cfd09e15")
+          "8b7a2148c891bb4b3324d6bd5df95982236c1039")
         (introduction
           (make-channel-introduction
             "8fb2f9c2fa414754c41c1c73665e3e73e12693ab"
diff --git a/home/config/zsh/zshrc b/home/config/zsh/zshrc
index b7b4423..6f44d62 100644
--- a/home/config/zsh/zshrc
+++ b/home/config/zsh/zshrc
@@ -15,7 +15,7 @@ then
 fi
 
 PATH=$PATH:$HOME/.cargo/bin
-PATH=$PATH:/var/lib/flatpak/exports/bin
+PATH=$PATH:$HOME/.config/guix/scripts
 DOCKER_HOME="$HOME/.docker"
 
 # vim mode >:)
@@ -30,19 +30,12 @@ else
     export PS1="$$USER: "
 fi
 
-# reconfigure aliases
-alias reconfigure-system="sudo -E guix system -L $HOME/.config/guix/modules reconfigure $HOME/.config/guix/systems/$(hostname).scm"
-alias reconfigure-user="guix home -L $HOME/.config/guix/modules reconfigure $HOME/.config/guix/home/home.scm"
-alias reconfigure-nix="home-manager switch"
-
 # aliases
-alias neo="pfetch"
 alias rf="rm -fr" # remove le french hon hon hon
 alias ls="ls --color=auto"
 alias ip="ip --color=auto"
 alias grep="grep --color=auto"
 alias diff="diff --color=auto"
-alias ccat="highlight --out-format=ansi"
 alias vim="nvim"
 alias ssh='TERM=xterm-256color ssh' # xterm-kitty bad
 
@@ -87,8 +80,4 @@ bindkey "^F" ranger
 export GPG_TTY=$(tty)
 
 # ricing
-export PF_CUSTOM_LOGOS="/home/freya/.config/zsh/pfetch_logos"
-
 pfetch
-
-PWD="$HOME"
diff --git a/home/nix/flake.lock b/home/nix/flake.lock
index 55f61f2..d4419e3 100644
--- a/home/nix/flake.lock
+++ b/home/nix/flake.lock
@@ -22,17 +22,17 @@
         ]
       },
       "locked": {
-        "lastModified": 1732025103,
-        "narHash": "sha256-qjEI64RKvDxRyEarY0jTzrZMa8ebezh2DEZmJJrpVdo=",
+        "lastModified": 1733484277,
+        "narHash": "sha256-i5ay20XsvpW91N4URET/nOc0VQWOAd4c4vbqYtcH8Rc=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "a46e702093a5c46e192243edbd977d5749e7f294",
+        "rev": "d00c6f6d0ad16d598bf7e2956f52c1d9d5de3c3a",
         "type": "github"
       },
       "original": {
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "a46e702093a5c46e192243edbd977d5749e7f294",
+        "rev": "d00c6f6d0ad16d598bf7e2956f52c1d9d5de3c3a",
         "type": "github"
       }
     },
@@ -60,17 +60,17 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1732014248,
-        "narHash": "sha256-y/MEyuJ5oBWrWAic/14LaIr/u5E0wRVzyYsouYY3W6w=",
+        "lastModified": 1733212471,
+        "narHash": "sha256-M1+uCoV5igihRfcUKrr1riygbe73/dzNnzPsmaLCmpo=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "rev": "55d15ad12a74eb7d4646254e13638ad0c4128776",
         "type": "github"
       },
       "original": {
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "23e89b7da85c3640bbc2173fe04f4bd114342367",
+        "rev": "55d15ad12a74eb7d4646254e13638ad0c4128776",
         "type": "github"
       }
     },
diff --git a/home/nix/flake.nix b/home/nix/flake.nix
index 63917a2..15da61c 100644
--- a/home/nix/flake.nix
+++ b/home/nix/flake.nix
@@ -3,10 +3,10 @@
 
   inputs = {
     # nixpkgs
-    nixpkgs.url = "github:nixos/nixpkgs/23e89b7da85c3640bbc2173fe04f4bd114342367";
+    nixpkgs.url = "github:nixos/nixpkgs/55d15ad12a74eb7d4646254e13638ad0c4128776";
 
     # home manager
-    home-manager.url = "github:nix-community/home-manager/a46e702093a5c46e192243edbd977d5749e7f294";
+    home-manager.url = "github:nix-community/home-manager/d00c6f6d0ad16d598bf7e2956f52c1d9d5de3c3a";
     home-manager.inputs.nixpkgs.follows = "nixpkgs";
 
     # nixgl
diff --git a/scripts/reconfigure-system b/scripts/reconfigure-system
new file mode 100755
index 0000000..1e38b42
--- /dev/null
+++ b/scripts/reconfigure-system
@@ -0,0 +1,3 @@
+#!/bin/sh
+repo="$HOME/.config/guix"
+sudo -E guix system -L "$repo/modules" reconfigure "$repo/systems/$(hostname).scm"
diff --git a/scripts/reconfigure-user b/scripts/reconfigure-user
new file mode 100755
index 0000000..3a0a602
--- /dev/null
+++ b/scripts/reconfigure-user
@@ -0,0 +1,4 @@
+#!/bin/sh
+repo="$HOME/.config/guix"
+guix home -L "$repo/modules" reconfigure "$repo/home/home.scm"
+home-manager switch
diff --git a/scripts/update-commits b/scripts/update-commits
new file mode 100755
index 0000000..9302dcb
--- /dev/null
+++ b/scripts/update-commits
@@ -0,0 +1,268 @@
+#!/run/current-system/profile/bin/guile -s
+!#
+
+(use-modules (guix)
+             (guix channels)
+             (guix import json)
+             (guix git)
+             (ice-9 popen)
+             (ice-9 textual-ports)
+             (ice-9 pretty-print)
+             (srfi srfi-1)) ;; alist
+
+;;
+;; config
+;;
+
+(define %dotfiles-dir
+  (string-append
+    (getenv "HOME")
+    "/.config/guix"))
+
+(define %guix-channels-file
+  (string-append %dotfiles-dir "/channels.scm"))
+
+(define %nix-flake-file
+  (string-append %dotfiles-dir "/home/nix/flake.nix"))
+
+(define %guix-cuirass-servers
+  (list "https://cuirass.nonguix.org"
+        "https://cuirass.freya.cat"))
+
+;;
+;; io functions
+;;
+
+(define (invoke . args)
+  (let* ((command (string-join args " "))
+         (err-cons (pipe))
+         (port (with-error-to-port (cdr err-cons)
+                 (lambda _ (open-input-pipe command))))
+         (_ (setvbuf (car err-cons) 'block
+                     (* 1024 16))) ; 16kib buffer
+         (result (get-string-all port)))
+    (close-port (cdr err-cons))
+    result))
+
+(define (read-file path)
+  (call-with-input-file path get-string-all))
+
+(define (write-file path contents)
+  (call-with-output-file path (lambda (port)
+                                (put-string port contents))))
+
+;;
+;; git functions
+;;
+
+(define (git-checkout git-url)
+  ;; create or update a local bare git checkout from <git-url>
+  ;; - clones checkout if it doesnt exist
+  ;; - fetches newset commits
+  (let* ((home (getenv "HOME"))
+         (name (string-append
+                 (string-replace-substring
+                   (last (string-split git-url #\/))
+                   ".git"
+                   "")
+                 ".git"))
+         (dir (string-append home
+                             "/.cache/checkouts/"
+                             name)))
+    (if (not (access? dir F_OK))
+      (begin
+        (format #t "checking out ~a...\n" name)
+        (invoke "mkdir" "-p" dir)
+        (invoke "git" "clone" "--bare" git-url dir)))
+    (invoke "git" "-C" dir "fetch")
+    dir))
+
+(define (git-latest-commit git-url)
+  (car (string-split
+         (invoke "git" "ls-remote" git-url "HEAD")
+         #\tab)))
+
+(define (commit-timestamp git-url commit)
+  ; get the unix timestamp of a <commit> in git repo <git-url>
+  (let* ((dir (git-checkout git-url))
+         (timestamp
+           (invoke "git" "-C" dir "show" "--quiet" "--format=%at" commit)))
+    (string->number (string-trim-both timestamp #\newline))))
+
+;;
+;; core functions
+;;
+
+(define (merge-commits local-commits remote-commits)
+  ;; create a zipped pair of each <loacl> and <remote> commits
+  ;; - ignores the commit if the remote its older than the local commit
+  ;;
+  ;; local commit format:
+  ;; ('id "git-url" "commit")
+  ;;
+  ;; remote commit format:
+  ;; ('id . "commit")
+  ;;
+  ;; return format:
+  ;; ('id "local-commit" "newest-commit") ;; neweset commit is commit with
+  ;;                                      ;; newer timestamp
+  (fold (lambda (local-repo commits)
+          (let* ((repo-id (car local-repo))
+                 (git-url (cadr local-repo))
+                 ; local
+                 (local-commit (caddr local-repo))
+                 (local-timestamp (commit-timestamp git-url local-commit))
+                 ; remote
+                 (remote-commit (assoc-ref remote-commits repo-id))
+                 (remote-timestamp (if (string? remote-commit)
+                                     (commit-timestamp git-url remote-commit)))
+                 ; newest
+                 (newest-commit (if (and (number? remote-timestamp)
+                                         (> remote-timestamp local-timestamp))
+                                    remote-commit))
+                 ; result
+                 (result (if (string? newest-commit)
+                           (cons (list repo-id local-commit newest-commit)
+                                 commits)
+                           commits)))
+            result))
+        '()
+        local-commits))
+
+(define (update-file local-commits remote-commits path)
+  (let* ((contents (read-file path))
+         (commits (merge-commits local-commits remote-commits))
+         (result (fold (lambda (pair contents)
+                         (let ((repo-id (car pair))
+                               (local-commit (cadr pair))
+                               (remote-commit (caddr pair)))
+                           (format #t "~s\t~a -> ~a\n"
+                                   repo-id
+                                   (string-take local-commit 7)
+                                   (string-take remote-commit 7))
+                           (string-replace-substring contents
+                                                     local-commit
+                                                     remote-commit)))
+                       (read-file path)
+                       commits)))
+    (write-file path result)))
+
+;;
+;; guix functions
+;;
+
+(define (cuirass-latest-evaluation cuirass-url)
+  (json-fetch
+    (string-append
+      cuirass-url
+      "/api/evaluations?nr=1")))
+
+(define (guix-local-commits channels)
+  (map (lambda (channel)
+         (list (channel-name channel)
+               (channel-url channel)
+               (channel-commit channel)))
+       channels))
+
+(define (cuirass-commits cuirass-servers)
+  (fold (lambda (cuirass-url env)
+          (let* ((evaluation (cuirass-latest-evaluation cuirass-url))
+                 (checkouts (vector->list
+                              (assoc-ref
+                                (car (vector->list evaluation))
+                                "checkouts"))))
+            (fold (lambda (checkout env)
+                    (let* ((channel (string->symbol
+                                      (assoc-ref checkout "channel")))
+                           (commit (assoc-ref checkout "commit")))
+                      (if (assoc-ref env channel)
+                        ;; channel already set, skip
+                        env
+                        ;; add commit to env
+                        (assoc-set! env channel commit))))
+                  env
+                  checkouts)))
+        '()
+        cuirass-servers))
+
+;;
+;; nix functions
+;;
+
+(define (nix-local-commits flake-file)
+  (let ((lines (filter
+                 (lambda (line)
+                   (string-contains line "github:"))
+                 (string-split (read-file flake-file)
+                               #\newline))))
+    (map
+      ;; valid line, parse out repo-id, git-url, and commit
+      (lambda (line)
+        (let* ((trimmed (substring line
+                                   (+ (string-index line #\:) 1)
+                                   (string-rindex line #\")))
+               (pair (string-split trimmed #\/))
+               (repo-id (string->symbol (cadr pair)))
+               (git-url (string-append "https://github.com/"
+                                       (car pair) "/"
+                                       (cadr pair) ".git"))
+               (commit (caddr pair)))
+          (list repo-id git-url commit)))
+      lines)))
+
+(define (nix-nixpkgs-commit)
+  (let ((json (json-fetch
+                (string-append
+                  "https://raw.githubusercontent.com/"
+                  "nix-community/home-manager"
+                  "/refs/heads/master/flake.lock")
+                #:timeout 1)))
+        (fold
+          (lambda (key json)
+            (assoc-ref json key))
+          json
+          (list "nodes"
+                "nixpkgs"
+                "locked"
+                "rev"))))
+
+(define (nix-remote-commits local-commits)
+  (fold (lambda (pair env)
+          (let* ((repo-id (car pair))
+                (git-url (cadr pair))
+                (commit (if (eq? repo-id 'nixpkgs)
+                          (nix-nixpkgs-commit)
+                          (git-latest-commit git-url))))
+            (assoc-set! env repo-id commit)))
+        '()
+        local-commits))
+
+;;
+;; update
+;;
+
+(define %guix-local-commits
+  (guix-local-commits
+    (load %guix-channels-file)))
+
+(define %guix-remote-commits
+  (cuirass-commits %guix-cuirass-servers))
+
+(define %nix-local-commits
+  (nix-local-commits %nix-flake-file))
+
+(define %nix-remote-commits
+  (nix-remote-commits %nix-local-commits))
+
+(update-file
+  %guix-local-commits
+  %guix-remote-commits
+  %guix-channels-file)
+
+(update-file
+  %nix-local-commits
+  %nix-remote-commits
+  %nix-flake-file)
+
+(system* "guix" "pull" "-C" %guix-channels-file)
+(system* "nix" "flake" "lock" (dirname %nix-flake-file))