nadm/core.sh at main · zachbutton/nadm · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
#!/usr/bin/env bash
set -e

# Colors
BOLD='\033[1m'
CYAN='\033[36m'
DIM='\033[2m'
RED='\033[31m'
RESET='\033[0m'

# Print error and exit
error() {
    echo -e "${RED}Error:${RESET} $1" >&2
    exit 1
}

# Shared setup (used by both init and clone)
do_setup() {
    cd "$HOME"

    # Guards
    [[ -d ".jj" ]] && error "Already initialized. Remove ~/.jj to re-initialize."

    # Check jj is installed
    command -v jj >/dev/null 2>&1 || error "jj is not installed. See https://github.com/martinvonz/jj"

    # Initialize jj repo
    jj git init --no-colocate

    # Create .nadm directory
    [[ -d ".nadm" ]] || mkdir -p .nadm

    # Create config with add/sync aliases
    cat > .nadm/config.toml << 'EOF'
[aliases]
add = ["util", "exec", "--", "bash", "-c", """
#!/usr/bin/env bash
printf '%s\n' "$@" >> .nadm/tracked
jj sync
""", ""]
sync = ["util", "exec", "--", "bash", "-c", """
#!/usr/bin/env bash
if [[ ! -f .nadm/tracked ]]; then
    exit 0
fi

jj sparse set --clear
jj sparse set --add .nadm/
while IFS= read -r path; do
    [[ -z "$path" ]] && continue
    jj sparse set --add "$path"
done < .nadm/tracked
""", ""]
EOF

    # Remove auto-generated config if it exists
    rm -f .jj/repo/config.toml

    # Symlink config
    ln -s "$HOME/.nadm/config.toml" .jj/repo/config.toml

	echo '*' > .gitignore
	jj sparse set --clear
	rm .gitignore

    jj add .nadm
}

show_usage() {
    echo "Usage: nadm <command>"
    echo ""
    echo "Commands:"
    echo "  init"
    echo "  clone <url>"
    echo "  clone --github <owner/repo>"
}

cmd_init() {
    echo -e "${BOLD}Initializing nadm...${RESET}"

	do_setup

    echo
    echo -e "${CYAN}Done!${RESET} Your home directory is now a jj repo."
    echo "Use 'jj add <file>' to start tracking dotfiles."
    echo
    jj status
}

cmd_clone() {
    local url="$1"

    [[ -z "$url" ]] && error "Usage: nadm clone <url>"

    echo -e "${BOLD}Cloning dotfiles...${RESET}"

	do_setup
	jj git remote add origin $url
	jj git fetch

    echo
    echo -e "${CYAN}Done!${RESET} Your home directory is now a jj repo."
    echo "Use 'jj add <file>' to start tracking dotfiles."
    echo
    jj status
}

main() {
    local -a args=()

    if [[ $# -gt 0 ]]; then
        args=("$@")
    elif [[ -n "${NADM_ARGS:-}" ]]; then
        read -r -a args <<< "${NADM_ARGS}"
    fi

    local cmd="${args[0]:-}"

    case "$cmd" in
        init)
            cmd_init
            ;;
        clone)
            if [[ "${args[1]:-}" == "--github" ]]; then
                local repo="${args[2]:-}"
                [[ -z "$repo" ]] && error "Usage: nadm clone --github <owner/repo>"
                cmd_clone "https://github.com/${repo}.git"
            else
                cmd_clone "${args[1]:-}"
            fi
            ;;
        ""|help|--help|-h)
            show_usage
            ;;
        *)
            error "Unknown command: $cmd"
            ;;
    esac
}

# Run if executed directly (not sourced)
if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
    main "$@"
fi