A GTK4 SSH-askpass in Zig
There is one class of situation where I do need it, though, which is when a program wants an SSH key passphrase for a regular ED25519 key, but has no terminal to read it from. The usual case is go get, or the go toolchain in general, fetching a private module over SSH during a build that runs without a TTY. OpenSSH can’t prompt on a pipe, so it runs whatever SSH_ASKPASS points at and puts the passphrase prompt in a window instead.
- ▪There is one class of situation where I do need it, though, which is when a program wants an SSH key passphrase for a regular ED25519 key, but has no terminal to read it from.
- ▪The usual case is go get, or the go toolchain in general, fetching a private module over SSH during a build that runs without a TTY.
- ▪OpenSSH can’t prompt on a pipe, so it runs whatever SSH_ASKPASS points at and puts the passphrase prompt in a window instead.
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| Original publisher | マリウス |
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| Publication time | Fri, 31 Jul 2026 15:40:13 +0000 |
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{"@context":"http://schema.org","@type":"BlogPosting","articleBody":"Every ssh-askpass in the _Gentoo_ tree pulls in _X11_ or a full _KDE_ stack,\nso I wrote my own with _Zig_ 0.16 and _GTK4_, with hand-written bindings that\nkeep \u0060X\u0060 out of the build.\n","author":{"@type":"Person","givenName":"Marius","additionalName":"マリウス","email":"marius@マリウス.com"},"dateModified":"2026-07-26 10:20:07 \u002b0200 \u002b0200","datePublished":"2026-07-26 10:20:07 \u002b0200 \u002b0200","description":"Every ssh-askpass in the _Gentoo_ tree pulls in _X11_ or a full _KDE_ stack,\nso I wrote my own with _Zig_ 0.16 and _GTK4_, with hand-written bindings that\nkeep \u0060X\u0060 out of the build.\n","headline":"A GTK4 ssh-askpass in…
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