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
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
**This requires enabling the [`derive` feature flag][crate::_features].**
Git is an example of several common subcommand patterns.
Help:
```console
$ git-derive
? failed
A fictional versioning CLI
Usage: git-derive[EXE] <COMMAND>
Commands:
clone Clones repos
diff Compare two commits
push pushes things
add adds things
stash
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
$ git-derive help
A fictional versioning CLI
Usage: git-derive[EXE] <COMMAND>
Commands:
clone Clones repos
diff Compare two commits
push pushes things
add adds things
stash
help Print this message or the help of the given subcommand(s)
Options:
-h, --help Print help
$ git-derive help add
adds things
Usage: git-derive[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help
```
A basic argument:
```console
$ git-derive add
? failed
adds things
Usage: git-derive[EXE] add <PATH>...
Arguments:
<PATH>... Stuff to add
Options:
-h, --help Print help
$ git-derive add Cargo.toml Cargo.lock
Adding ["Cargo.toml", "Cargo.lock"]
```
Default subcommand:
```console
$ git-derive stash -h
Usage: git-derive[EXE] stash [OPTIONS]
git-derive[EXE] stash <COMMAND>
Commands:
push
pop
apply
help Print this message or the help of the given subcommand(s)
Options:
-m, --message <MESSAGE>
-h, --help Print help
$ git-derive stash push -h
Usage: git-derive[EXE] stash push [OPTIONS]
Options:
-m, --message <MESSAGE>
-h, --help Print help
$ git-derive stash pop -h
Usage: git-derive[EXE] stash pop [STASH]
Arguments:
[STASH]
Options:
-h, --help Print help
$ git-derive stash -m "Prototype"
Pushing StashPush { message: Some("Prototype") }
$ git-derive stash pop
Popping None
$ git-derive stash push -m "Prototype"
Pushing StashPush { message: Some("Prototype") }
$ git-derive stash pop
Popping None
```
External subcommands:
```console
$ git-derive custom-tool arg1 --foo bar
Calling out to "custom-tool" with ["arg1", "--foo", "bar"]
```
Last argument:
```console
$ git-derive diff --help
Compare two commits
Usage: git-derive[EXE] diff [OPTIONS] [COMMIT] [COMMIT] [-- <PATH>]
Arguments:
[COMMIT]
[COMMIT]
[PATH]
Options:
--color[=<WHEN>] [default: auto] [possible values: always, auto, never]
-h, --help Print help
$ git-derive diff
Diffing stage..worktree (color=auto)
$ git-derive diff ./src
Diffing stage..worktree ./src (color=auto)
$ git-derive diff HEAD ./src
Diffing HEAD..worktree ./src (color=auto)
$ git-derive diff HEAD~~ -- HEAD
Diffing HEAD~~..worktree HEAD (color=auto)
$ git-derive diff --color
Diffing stage..worktree (color=always)
$ git-derive diff --color=never
Diffing stage..worktree (color=never)
```
|
