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Add a car ls --unixfs-blocks to render two-column output #514

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merged 1 commit into from
Jan 6, 2024
Merged

Add a car ls --unixfs-blocks to render two-column output #514

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4 changes: 4 additions & 0 deletions cmd/car/car.go
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,10 @@ func main1() int {
Name: "unixfs",
Usage: "List unixfs filesystem from the root of the car",
},
&cli.BoolFlag{
Name: "unixfs-blocks",
Usage: "List blocks of unixfs objects in the car",
},
},
},
{
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16 changes: 13 additions & 3 deletions cmd/car/list.go
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Original file line number Diff line number Diff line change
Expand Up @@ -32,7 +32,7 @@ func ListCar(c *cli.Context) error {
}
defer outStream.Close()

if c.Bool("unixfs") {
if c.Bool("unixfs") || c.Bool("unixfs-blocks") {
return listUnixfs(c, outStream)
}

Expand Down Expand Up @@ -180,7 +180,12 @@ func printUnixFSNode(c *cli.Context, prefix string, node cid.Cid, ls *ipld.LinkS
for !i.Done() {
_, l := i.Next()
name := path.Join(prefix, l.Name.Must().String())
fmt.Fprintf(outStream, "%s\n", name)
if c.Bool("unixfs-blocks") {
cidL, _ := l.Hash.AsLink()
fmt.Fprintf(outStream, "%s %s\n", cidL.(cidlink.Link).Cid, name)
} else {
fmt.Fprintf(outStream, "%s\n", name)
}
// recurse into the file/directory
cl, err := l.Hash.AsLink()
if err != nil {
Expand All @@ -201,7 +206,12 @@ func printUnixFSNode(c *cli.Context, prefix string, node cid.Cid, ls *ipld.LinkS
i := hn.Iterator()
for !i.Done() {
n, l := i.Next()
fmt.Fprintf(outStream, "%s\n", path.Join(prefix, n.String()))
if c.Bool("unixfs-blocks") {
cl, _ := l.AsLink()
fmt.Fprintf(outStream, "%s %s\n", cl.(cidlink.Link).Cid, path.Join(prefix, n.String()))
} else {
fmt.Fprintf(outStream, "%s\n", path.Join(prefix, n.String()))
}
// recurse into the file/directory
cl, err := l.AsLink()
if err != nil {
Expand Down