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v5: plumbing: transport/ssh, Shell-quote path#2068

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v5: plumbing: transport/ssh, Shell-quote path#2068
pjbgf merged 1 commit into
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@hiddeco

@hiddeco hiddeco commented May 6, 2026

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The SSH transport interpolates ep.Path into the remote-exec command line via endpointToCommand. The previous formatter wrapped the value in literal single quotes via '%s', which diverges from canonical Git's wire format for any path containing characters the shell treats specially.

Port sq_quote_buf1 from canonical Git into a writeShellQuote helper and route the path through it. The helper escapes the same character set that upstream Git escapes (' and !), so the bytes go-git puts on the wire match what git itself would send for the same input. Benign paths are byte-identical to the previous output; paths containing ' or ! now round-trip correctly through any POSIX shell and through git-shell's sq_dequote_to_argv.

Add a table-driven TestEndpointToCommand covering the plain case, both characters that sq_quote_buf escapes, mixed inputs, and inert metacharacters that pass through unchanged.

Back-port from #2067.

The SSH transport interpolates `ep.Path` into the remote-exec
command line via `endpointToCommand`. The previous formatter
wrapped the value in literal single quotes via `'%s'`, which
diverges from canonical Git's wire format for any path containing
characters the shell treats specially.

Port `sq_quote_buf`[1] from canonical Git into a `writeShellQuote`
helper and route the path through it. The helper escapes the same
character set that upstream Git escapes (`'` and `!`), so the
bytes go-git puts on the wire match what `git` itself would send
for the same input. Benign paths are byte-identical to the
previous output; paths containing `'` or `!` now round-trip
correctly through any POSIX shell and through `git-shell`'s
`sq_dequote_to_argv`.

Add a table-driven `TestEndpointToCommand` covering the plain
case, both characters that `sq_quote_buf` escapes, mixed inputs,
and inert metacharacters that pass through unchanged.

Back-port from go-git#2067.

[1]: https://github.com/git/git/blob/v2.54.0/quote.c#L28

Assisted-by: Claude Opus 4.7
Signed-off-by: Hidde Beydals <hidde@hhh.computer>

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@hiddeco thanks for working on this. 🙇

@pjbgf pjbgf merged commit ecd5696 into go-git:releases/v5.x May 7, 2026
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@hiddeco hiddeco deleted the v5/ssh-shell-quote-path branch May 7, 2026 05:25
chhe pushed a commit to chhe/act_runner that referenced this pull request May 19, 2026
This PR contains the following updates:

| Package | Change | [Age](https://docs.renovatebot.com/merge-confidence/) | [Confidence](https://docs.renovatebot.com/merge-confidence/) |
|---|---|---|---|
| [github.com/go-git/go-git/v5](https://github.com/go-git/go-git) | `v5.19.0` → `v5.19.1` | ![age](https://developer.mend.io/api/mc/badges/age/go/github.com%2fgo-git%2fgo-git%2fv5/v5.19.1?slim=true) | ![confidence](https://developer.mend.io/api/mc/badges/confidence/go/github.com%2fgo-git%2fgo-git%2fv5/v5.19.0/v5.19.1?slim=true) |

---

### Release Notes

<details>
<summary>go-git/go-git (github.com/go-git/go-git/v5)</summary>

### [`v5.19.1`](https://github.com/go-git/go-git/releases/tag/v5.19.1)

[Compare Source](go-git/go-git@v5.19.0...v5.19.1)

#### What's Changed

- v5: plumbing: transport/ssh, Shell-quote path by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2068](go-git/go-git#2068)
- v5: git: submodule, Fix relative URL resolution by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2070](go-git/go-git#2070)
- v5: git: submodule, canonical remote for relative URLs by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2074](go-git/go-git#2074)
- v5: git: submodule, error on remote without URLs by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2078](go-git/go-git#2078)
- v5: plumbing: format/idxfile, Validate offset64 indices by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2084](go-git/go-git#2084)
- v5: \*: Reject malformed variable-length integers by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2092](go-git/go-git#2092)
- v5: plumbing: format/packfile, Tighten delta validation by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2091](go-git/go-git#2091)
- v5: Add `worktreeFilesystem` wrapper for worktree and hardening by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2100](go-git/go-git#2100)
- v5: config: validate submodule names by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2082](go-git/go-git#2082)
- build: Update module github.com/go-git/go-git/v5 to v5.19.0 \[SECURITY] (releases/v5.x) by [@&#8203;go-git-renovate](https://github.com/go-git-renovate)\[bot] in [#&#8203;2111](go-git/go-git#2111)
- v5: git: Allow MkdirAll on worktree-root paths by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2117](go-git/go-git#2117)
- v5: git: Stop validating symlink target paths by [@&#8203;pjbgf](https://github.com/pjbgf) in [#&#8203;2116](go-git/go-git#2116)
- v5: plumbing: format decoder input bounds and contracts by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2125](go-git/go-git#2125)
- plumbing: format/packfile, cap delta chain depth in parser by [@&#8203;pjbgf](https://github.com/pjbgf) in [#&#8203;2137](go-git/go-git#2137)

**Full Changelog**: <go-git/go-git@v5.19.0...v5.19.1>

</details>

---

### Configuration

📅 **Schedule**: (UTC)

- Branch creation
  - At any time (no schedule defined)
- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

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---

This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xODIuMSIsInVwZGF0ZWRJblZlciI6IjQzLjE4Mi4xIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6W119-->

Reviewed-on: https://gitea.com/gitea/runner/pulls/980
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: Renovate Bot <renovate-bot@gitea.com>
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Maks1mS pushed a commit to stplr-dev/stplr that referenced this pull request May 20, 2026
This PR contains the following updates:

| Package | Type | Update | Change | OpenSSF |
|---|---|---|---|---|
| [github.com/go-git/go-git/v5](https://github.com/go-git/go-git) | require | patch | `v5.19.0` → `v5.19.1` | [![OpenSSF Scorecard](https://api.securityscorecards.dev/projects/github.com/go-git/go-git/badge)](https://securityscorecards.dev/viewer/?uri=github.com/go-git/go-git) |

---

> ⚠️ **Warning**
>
> Some dependencies could not be looked up. Check the [Dependency Dashboard](issues/23) for more information.

---

### Release Notes

<details>
<summary>go-git/go-git (github.com/go-git/go-git/v5)</summary>

### [`v5.19.1`](https://github.com/go-git/go-git/releases/tag/v5.19.1)

[Compare Source](go-git/go-git@v5.19.0...v5.19.1)

#### What's Changed

- v5: plumbing: transport/ssh, Shell-quote path by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2068](go-git/go-git#2068)
- v5: git: submodule, Fix relative URL resolution by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2070](go-git/go-git#2070)
- v5: git: submodule, canonical remote for relative URLs by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2074](go-git/go-git#2074)
- v5: git: submodule, error on remote without URLs by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2078](go-git/go-git#2078)
- v5: plumbing: format/idxfile, Validate offset64 indices by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2084](go-git/go-git#2084)
- v5: \*: Reject malformed variable-length integers by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2092](go-git/go-git#2092)
- v5: plumbing: format/packfile, Tighten delta validation by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2091](go-git/go-git#2091)
- v5: Add `worktreeFilesystem` wrapper for worktree and hardening by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2100](go-git/go-git#2100)
- v5: config: validate submodule names by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2082](go-git/go-git#2082)
- build: Update module github.com/go-git/go-git/v5 to v5.19.0 \[SECURITY] (releases/v5.x) by [@&#8203;go-git-renovate](https://github.com/go-git-renovate)\[bot] in [#&#8203;2111](go-git/go-git#2111)
- v5: git: Allow MkdirAll on worktree-root paths by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2117](go-git/go-git#2117)
- v5: git: Stop validating symlink target paths by [@&#8203;pjbgf](https://github.com/pjbgf) in [#&#8203;2116](go-git/go-git#2116)
- v5: plumbing: format decoder input bounds and contracts by [@&#8203;hiddeco](https://github.com/hiddeco) in [#&#8203;2125](go-git/go-git#2125)
- plumbing: format/packfile, cap delta chain depth in parser by [@&#8203;pjbgf](https://github.com/pjbgf) in [#&#8203;2137](go-git/go-git#2137)

**Full Changelog**: <go-git/go-git@v5.19.0...v5.19.1>

</details>

---

### Configuration

📅 **Schedule**: (UTC)

- Branch creation
  - At 12:00 AM through 04:59 AM and 10:00 PM through 11:59 PM, Monday through Friday (`* 0-4,22-23 * * 1-5`)
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- Automerge
  - At any time (no schedule defined)

🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied.

♻ **Rebasing**: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 **Ignore**: Close this PR and you won't be reminded about this update again.

---

 - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box

---

This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate).
<!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4xNzAuMjIiLCJ1cGRhdGVkSW5WZXIiOiI0My4xNzAuMjIiLCJ0YXJnZXRCcmFuY2giOiJtYWluIiwibGFiZWxzIjpbIktpbmQvRGVwZW5kZW5jaWVzIl19-->

Reviewed-on: https://altlinux.space/stapler/stplr/pulls/435
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