From 27487e4bb410dc293faeac203e4055ee301b18ea Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sun, 27 Apr 2025 04:04:26 +0900
Subject: just: add justfile for dotfiles

---
 README   | 13 ++++++-------
 justfile | 25 +++++++++++++++++++++++++
 2 files changed, 31 insertions(+), 7 deletions(-)
 create mode 100644 justfile

diff --git a/README b/README
index 0ed3673..a74d355 100644
--- a/README
+++ b/README
@@ -58,13 +58,12 @@ $ tic -xe tmux-256color /var/tmp/tmux-256color.info
 
 # Update
 
-1. `nix flake update`
-2. `home-manager switch --flake ".#<host>"`
+```
+$ just update
+```
 
 # Garbage Collection
 
-// 1. `home-manager remove-generations $({ home-manager generations | tail +4 && date -d '-1 month' '+%Y-%m-%d %H:%M : id DELETE ->'; } | sort -r | sed -n '/: id DELETE ->/,$p' | tail +2 | grep -o ': id [0-9]* ->' | awk '{ print $3; }')`
-
-1. `home-manager expire-generations '-1 month'`
-2. `nix profile wipe-history`
-3. `nix store gc`
+```
+$ just gc
+```
diff --git a/justfile b/justfile
new file mode 100644
index 0000000..0c13594
--- /dev/null
+++ b/justfile
@@ -0,0 +1,25 @@
+help:
+    @just --list
+
+update HOST:
+    nix flake update
+    git add -- ./flake.lock
+    git commit -m "nix: update flake"
+    just switch "{{HOST}}"
+
+sync HOST:
+    git fetch --all
+    git stash save
+    git switch -d origin/main
+    git stash pop
+    just switch "{{HOST}}"
+
+switch HOST:
+    home-manager switch --flake ".#{{HOST}}"
+
+gc:
+    # TODO: leave the last 3 generations?
+    # home-manager remove-generations $({ home-manager generations | tail +4 && date -d '-1 month' '+%Y-%m-%d %H:%M : id DELETE ->'; } | sort -r | sed -n '/: id DELETE ->/,$p' | tail +2 | grep -o ': id [0-9]* ->' | awk '{ print $3; }')
+    home-manager expire-generations '-1 month'
+    nix profile wipe-history
+    nix store gc
-- 
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