pardes.git/src/fs.zig, branch main

Round 39's small ones: a name write past its one line is refused by that write; Get and Edit's e load over a scratch under 100 bytes unasked, as Del closes it; Putall saves a Zerox pair once; bare Tab on the root ctl says the width as from a pane, and a ctl check of Tab no longer sets it; a directory read is "is a directory" (EISDIR), an unreadable file "permission denied" (EACCES), Incl of a file "not a directory" (ENOTDIR), and a device "not a regular file", never read to the stream limit

2026-10-02T02:22:39Z

Co-Authored-By: Claude Opus 5.5

An Edit's held write: < | > commands no longer block their 9P connection (answered like a held read, so a status read or a filter reading the session's own mount runs beside it), a Tflush or hang-up of the write kills the commands' process groups and changes nothing; e loads by Get's way (asked once, clean after, undo puts the name back); ~ in e r w f B; B checks every name first; an Edit that runs commands is a write of its own, refused up front with other lines; Edit's +Errors output keeps the keyboard where it was; X goes in pane order; a refused write open says its errno; the reference's Coming from acme rows say what Get file's undo, failure and directory refusal, Putall's answer, Zerox across Dump and Incl's directories now do

2026-10-02T01:07:48Z

Co-Authored-By: Claude Opus 5.5

Edit runs acme's file and shell commands: < | > through the session's Shell off the loop (one undo step, a failure changes nothing, its stderr in +Errors, a 9P write answered when done), X and Y over the open text panes, b B D e r f w and the "file" address; checked against sam -d, and the reference's Edit section and Coming from acme row say so

2026-10-01T23:04:42Z

Co-Authored-By: Claude Opus 5.5

`> exec` through a mount no longer hangs the editor, and a close holding a last line is answered at once: the line runs at the editor's next step

2026-10-01T14:09:59Z

A shell's truncating open of exec (or look, ctl, log, pager) sends a setattr that changes nothing; it waited for the editor to be quiet, and through a 9ns mount that quiet could never come: 9ns answers nothing else on the mount while the setattr is out, and the editor's step may be out reading a pane's file through it. This was the "truncating open of exec hangs, only in selfmount" mystery. Only a truncate of a pane's file or a tag waits now. A close holding a last line with no newline hands it to the editor's step (tree.runClosedLines, beside fillClosedPagers), as a /pager close does, and is answered at once; a refusal is the log's err. Co-Authored-By: Claude Opus 5.5

A +Pager keeps its program's colours: the session parses what /pager is written after its directory with ghostty-vt, SGR becomes spans drawn over the plain text, every other escape is dropped, and PagerColor off pages it plain

2026-10-01T13:36:28Z

Grep and Find say when a cap hid what they might have found: `cut at 512 hits`, `N files read only in part (first 256 KiB)`, `walk cut at N entries`; one that finds nothing leaves the +Search as it was

2026-10-01T11:53:11Z

Grep reads 256 KiB of a file and stops at 512 hits, and its walk at 20000 files or 100000 entries; Find stops at 512 names. A cap hit was silent, so a match past one read as `pattern not found`. The walk now notes each cap it hit (fs.WalkNotes) and the +Search says it in a line under the hits, as it says directories skipped; a search that found nothing but hit a cap opens the +Search with those lines, not a miss. A Find or Grep that finds nothing and passed nothing over leaves the directory's +Search with the last search's rows, its failure saying so, where it used to empty it. Co-Authored-By: Claude Opus 5.5

A Rename that previews other files answers its preview pane to the 9P write that asked it, and says on the message row that it previewed and applied nothing

2026-10-01T10:16:43Z

A multi-file Rename filled a +Search preview but the waiting exec write answered the pane it was asked from, and nothing was said. lspResponse now notes the pane it filled (fs.lsp_result); the write that waited for the answer reads that pane back, as a look or an exec answers the pane it went to, and the message row says `Rename: N edit(s) across files, previewed, not applied`. Co-Authored-By: Claude Opus 5.5

Grep and Find pass over a directory they may not open and keep every other hit, saying in one line how many they skipped

2026-10-01T10:16:43Z

One `chmod 000` directory anywhere under a pane made every Grep say `pattern not found` and every Find `access denied`: the walk's `try w.enter`/`try w.next` ended it at the first refusal. Each is now counted and passed over, and the +Search ends `N directories skipped: permission denied` under the hits. Co-Authored-By: Claude Opus 5.5

A name under a directory that may not be searched or written is refused, permission denied, and a Save there says so, not no such directory

2026-10-01T08:18:09Z

`pardes noperm/a/b/c` and `pardes /proc/1/root/x` took the missing directory for one Save would make, opened a pane and exited 0; its Save then said "no such directory". fs.deniedAbove finds the nearest directory there and asks whether it may be searched and written: forwarding refuses such a name, exit 1, "permission denied", and a failed Save says "permission denied", which the writer's 9P error carries as EPERM (9ns: EACCES). Co-Authored-By: Claude Opus 5.5

A log follower hears every record queued before a Restore: the read it holds takes all that fit, before the hangup cuts it

2026-10-01T06:04:35Z

A follower reads one record per read, and a Restore hangs every client up, so records queued just before it -- the ones a script most wants, what led up to the Restore -- were lost: the read after the first was cut. Before the cut, each held read of /log is answered with every whole record queued that fits it. Co-Authored-By: Claude Opus 5.5