[mgasner]

Stacked on #25. The diff shows only this change.

What was wrong

• yas git show REV always sent a BLOB query, so asking for a commit failed with Invalid.
• --repo and yas git discover PATH were sent as given, so relative paths, including the default ., resolved against the server's cwd instead of the client's. From outside the server's cwd, yas git status failed with "request 0x0031/0x0000 failed with Invalid".

Fix

• show REV prints the commit in git cat-file commit layout, rebuilt from the LOG record. REV:DIR and REV: list the tree the way ls-tree does. REV:file still prints the file's bytes.
• A raw tree or blob ID as REV is still rejected, because the server's RESOLVE accepts only commit-like revisions. The help now says "REV names a commit; reach trees and blobs by PATH."
• --repo and the discover path resolve against the client's cwd, the same as the fs and lsp --root. The help text for all 10 git --repo flags and learn.md are updated to match.

Testing

• New tests: commit_object_uses_cat_file_layout and relative_repository_paths_resolve_against_client_cwd.
• Full yas-cli bin tests pass (147).
• Checked by hand with a scratch repo.

Tag @indent to continue the conversation here.

[github-actions]

Coverage

Crate	Lines	Functions	Regions
alacritty-driver	85.6% (1081/1263)	89.4% (84/94)	89.3% (1746/1955)
browser	25.5% (309/1212)	30.4% (34/112)	27.7% (605/2183)
cli	34.2% (6797/19877)	36.3% (644/1776)	35.3% (10102/28593)
client	68.3% (5800/8497)	68.5% (708/1033)	66.4% (7526/11331)
composite-transport	96.3% (526/546)	98.4% (60/61)	96.2% (884/919)
compositor	55.0% (11459/20820)	66.2% (837/1265)	54.9% (15876/28909)
desktop	78.4% (4460/5691)	71.6% (393/549)	75.1% (6211/8267)
edge	63.1% (800/1268)	50.9% (82/161)	58.0% (1043/1799)
fonts	77.3% (1257/1626)	82.7% (129/156)	78.9% (2424/3071)
fssync	86.0% (1610/1872)	85.8% (182/212)	87.1% (2834/3255)
git	73.1% (4635/6344)	70.5% (347/492)	70.2% (6608/9407)
guest	67.3% (6829/10148)	67.0% (488/728)	66.6% (8935/13416)
lsp	78.7% (3573/4542)	80.8% (336/416)	76.7% (5408/7054)
proxy	63.1% (1902/3012)	56.3% (184/327)	63.4% (2931/4626)
runtime-dir	93.6% (117/125)	100.0% (14/14)	94.8% (218/230)
sd-notify	73.9% (68/92)	100.0% (6/6)	83.2% (109/131)
server	71.5% (86252/120636)	74.1% (6258/8447)	69.5% (115561/166368)
ssh	66.9% (705/1054)	75.9% (85/112)	66.8% (1099/1645)
terminal-model	49.9% (314/629)	62.3% (38/61)	50.3% (505/1004)
uplink	94.2% (582/618)	92.6% (50/54)	93.1% (1062/1141)
webrtc-forwarder	33.6% (1321/3932)	44.9% (146/325)	36.0% (2279/6336)
webserver	80.7% (1490/1846)	81.1% (193/238)	83.2% (2551/3067)
website	35.1% (355/1012)	34.4% (53/154)	35.8% (607/1694)
xtask	0.0% (0/5149)	0.0% (0/131)	0.0% (0/9157)
yas	89.0% (28042/31522)	94.1% (2152/2286)	84.1% (44044/52388)
Total	67.2% (170284/253333)	70.3% (13503/19210)	65.5% (241168/367946)