tjh.dev
forked from
tangled.org/core
Mirror of @tangled.org/core. Running on a Raspberry Pi Zero 2
nix,dolly: subset input files to dolly derivation
this greatly improves build speed of derivations that depend on the
dolly derivation, because it no longer rebuilds everytime there is a
change to appview.
Signed-off-by: oppiliappan <me@oppi.li>
authored by
+48
-28
+23
-10
cmd/dolly/main.go
+23
-10
cmd/dolly/main.go
···
2
3
import (
4
"bytes"
5
"flag"
6
"fmt"
7
"image"
···
17
"github.com/srwiley/oksvg"
18
"github.com/srwiley/rasterx"
19
"golang.org/x/image/draw"
20
-
"tangled.org/core/appview/pages"
21
"tangled.org/core/ico"
22
)
23
24
func main() {
25
var (
26
-
size string
27
-
fillColor string
28
-
output string
29
)
30
31
flag.StringVar(&size, "size", "512x512", "Output size in format WIDTHxHEIGHT (e.g., 512x512)")
32
flag.StringVar(&fillColor, "color", "#000000", "Fill color in hex format (e.g., #FF5733)")
33
flag.StringVar(&output, "output", "dolly.svg", "Output file path (format detected from extension: .svg, .png, or .ico)")
34
flag.Parse()
35
36
width, height, err := parseSize(size)
37
if err != nil {
···
59
os.Exit(1)
60
}
61
62
-
svgData, err := dolly(fillColor)
63
if err != nil {
64
fmt.Fprintf(os.Stderr, "Error generating SVG: %v\n", err)
65
os.Exit(1)
···
97
fmt.Printf("Successfully generated %s (%dx%d)\n", output, width, height)
98
}
99
100
-
func dolly(hexColor string) ([]byte, error) {
101
-
tpl, err := template.New("dolly").
102
-
ParseFS(pages.Files, "templates/fragments/dolly/logo.html")
103
if err != nil {
104
return nil, err
105
}
106
107
var svgData bytes.Buffer
108
-
if err := tpl.ExecuteTemplate(&svgData, "fragments/dolly/logo", pages.DollyParams{
109
-
FillColor: hexColor,
110
}); err != nil {
111
return nil, err
112
}
···
2
3
import (
4
"bytes"
5
+
_ "embed"
6
"flag"
7
"fmt"
8
"image"
···
16
"github.com/srwiley/oksvg"
17
"github.com/srwiley/rasterx"
18
"golang.org/x/image/draw"
19
"tangled.org/core/ico"
20
)
21
22
func main() {
23
var (
24
+
size string
25
+
fillColor string
26
+
output string
27
+
templatePath string
28
)
29
30
+
flag.StringVar(&templatePath, "template", "", "Path to dolly go-html template")
31
flag.StringVar(&size, "size", "512x512", "Output size in format WIDTHxHEIGHT (e.g., 512x512)")
32
flag.StringVar(&fillColor, "color", "#000000", "Fill color in hex format (e.g., #FF5733)")
33
flag.StringVar(&output, "output", "dolly.svg", "Output file path (format detected from extension: .svg, .png, or .ico)")
34
flag.Parse()
35
+
36
+
if templatePath == "" {
37
+
fmt.Fprintf(os.Stderr, "Empty template path")
38
+
os.Exit(1)
39
+
}
40
41
width, height, err := parseSize(size)
42
if err != nil {
···
52
os.Exit(1)
53
}
54
55
+
tpl, err := os.ReadFile(templatePath)
56
+
if err != nil {
57
+
fmt.Fprintf(os.Stderr, "Failed to read template from path %s: %v\n", templatePath, err)
58
+
os.Exit(1)
59
+
}
60
+
61
+
svgData, err := dolly(string(tpl), fillColor)
62
if err != nil {
63
fmt.Fprintf(os.Stderr, "Error generating SVG: %v\n", err)
64
os.Exit(1)
···
84
fmt.Printf("Successfully generated %s (%dx%d)\n", output, width, height)
85
}
86
87
+
func dolly(tplString, hexColor string) ([]byte, error) {
88
+
tpl, err := template.New("dolly").Parse(tplString)
89
if err != nil {
90
return nil, err
91
}
92
93
var svgData bytes.Buffer
94
+
if err := tpl.ExecuteTemplate(&svgData, "fragments/dolly/logo", map[string]any{
95
+
"FillColor": hexColor,
96
+
"Classes": "",
97
}); err != nil {
98
return nil, err
99
}
+25
-18
nix/pkgs/dolly.nix
+25
-18
nix/pkgs/dolly.nix
···
1
{
2
buildGoApplication,
3
modules,
4
-
src,
5
-
}:
6
-
buildGoApplication {
7
-
pname = "dolly";
8
-
version = "0.1.0";
9
-
inherit src modules;
10
-
11
-
# patch the static dir
12
-
postUnpack = ''
13
-
pushd source
14
-
mkdir -p appview/pages/static
15
-
touch appview/pages/static/x
16
-
popd
17
-
'';
18
-
19
-
doCheck = false;
20
-
subPackages = ["cmd/dolly"];
21
-
}
···
1
{
2
+
lib,
3
buildGoApplication,
4
modules,
5
+
writeShellScriptBin,
6
+
}: let
7
+
src = lib.fileset.toSource {
8
+
root = ../..;
9
+
fileset = lib.fileset.unions [
10
+
../../go.mod
11
+
../../ico
12
+
../../cmd/dolly/main.go
13
+
../../appview/pages/templates/fragments/dolly/logo.html
14
+
];
15
+
};
16
+
dolly-unwrapped = buildGoApplication {
17
+
pname = "dolly-unwrapped";
18
+
version = "0.1.0";
19
+
inherit src modules;
20
+
doCheck = false;
21
+
subPackages = ["cmd/dolly"];
22
+
};
23
+
in
24
+
writeShellScriptBin "dolly" ''
25
+
exec ${dolly-unwrapped}/bin/dolly \
26
+
-template ${src}/appview/pages/templates/fragments/dolly/logo.html \
27
+
"$@"
28
+
''