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Diffstat (limited to 'users/Profpatsch/nix-home/default.nix')
| -rw-r--r-- | users/Profpatsch/nix-home/default.nix | 212 |
1 files changed, 212 insertions, 0 deletions
diff --git a/users/Profpatsch/nix-home/default.nix b/users/Profpatsch/nix-home/default.nix new file mode 100644 index 0000000000..ee154c549a --- /dev/null +++ b/users/Profpatsch/nix-home/default.nix @@ -0,0 +1,212 @@ +{ depot, pkgs, lib, ... }: + +let + bins = depot.nix.getBins pkgs.stow [ "stow" ] + // depot.nix.getBins pkgs.coreutils [ "mkdir" "ln" "printenv" "rm" ] + // depot.nix.getBins pkgs.xe [ "xe" ] + // depot.nix.getBins pkgs.lr [ "lr" ] + // depot.nix.getBins pkgs.nix [ "nix-store" ] + ; + + # run stow to populate the target directory with the given stow package, read from stowDir. + # Bear in mind that `stowDirOriginPath` should always be semantically bound to the given `stowDir`, otherwise stow might become rather confused. + runStow = + { + # “stow package” to stow (see manpage) + # TODO: allow this function to un-stow multiple packages! + stowPackage + , # “target directory” to stow in (see manpage) + targetDir + , # The “stow directory” (see manpage), containing “stow packages” (see manpage) + stowDir + , # representative directory for the stowDir in the file system, against which stow will create relative links. + # ATTN: this is always overwritten with the contents of `stowDir`! You shouldn’t re-use the same `stowDirOriginPath` for different `stowDir`s, otherwise there might be surprises. + stowDirOriginPath + , + }: depot.nix.writeExecline "stow-${stowPackage}" { } [ + # first, create a temporary stow directory to use as source + # (stow will use it to determine the origin of files) + "if" + [ bins.mkdir "-p" stowDirOriginPath ] + # remove old symlinks + "if" + [ + "pipeline" + [ + bins.lr + "-0" + "-t" + "depth == 1 && type == l" + stowDirOriginPath + ] + bins.xe + "-0" + bins.rm + ] + # create an indirect gc root so our config is not cleaned under our asses by a garbage collect + "if" + [ + bins.nix-store + "--realise" + "--indirect" + "--add-root" + "${stowDirOriginPath}/.nix-stowdir-gc-root" + stowDir + ] + # populate with new stow targets + "if" + [ + "elglob" + "-w0" + "stowPackages" + "${stowDir}/*" + bins.ln + "--force" + "-st" + stowDirOriginPath + "$stowPackages" + ] + # stow always looks for $HOME/.stowrc to read more arguments + "export" + "HOME" + "/homeless-shelter" + bins.stow + # always run restow for now; this does more stat but will remove stale links + "--restow" + "--dir" + stowDirOriginPath + "--target" + targetDir + stowPackage + ]; + + # create a stow dir from a list of drv paths and a stow package name. + makeStowDir = + (with depot.nix.yants; + defun + [ + (list (struct { + originalDir = drv; + stowPackage = string; + })) + drv + ]) + (dirs: + depot.nix.runExecline "make-stow-dir" + { + stdin = lib.pipe dirs [ + (map depot.users.Profpatsch.netencode.gen.dwim) + depot.users.Profpatsch.netstring.toNetstringList + ]; + } [ + "importas" + "out" + "out" + "if" + [ bins.mkdir "-p" "$out" ] + "forstdin" + "-d" + "" + "-o" + "0" + "line" + "pipeline" + [ + depot.users.Profpatsch.execline.print-one-env + "line" + ] + depot.users.Profpatsch.netencode.record-splice-env + "importas" + "-ui" + "originalDir" + "originalDir" + "importas" + "-ui" + "stowPackage" + "stowPackage" + bins.ln + "-sT" + "$originalDir" + "\${out}/\${stowPackage}" + ]); + + # this is a dumb way of generating a pure list of packages from a depot namespace. + readTreeNamespaceDrvs = namespace: + lib.pipe namespace [ + (lib.filterAttrs (_: v: lib.isDerivation v)) + (lib.mapAttrsToList (k: v: { + name = k; + drv = v; + })) + ]; + + scriptsStow = + lib.pipe { } [ + (_: makeStowDir [{ + stowPackage = "scripts"; + originalDir = pkgs.linkFarm "scripts-farm" + ([ + { + name = "scripts/ytextr"; + path = depot.users.Profpatsch.ytextr; + } + { + name = "scripts/lorri-wait-for-eval"; + path = depot.users.Profpatsch.lorri-wait-for-eval; + } + { + name = "scripts/lw"; + path = depot.users.Profpatsch.lorri-wait-for-eval; + } + + ] + ++ + (lib.pipe depot.users.Profpatsch.aliases [ + readTreeNamespaceDrvs + (map ({ name, drv }: { + name = "scripts/${name}"; + path = drv; + })) + ])); + }]) + (d: runStow { + stowDir = d; + stowPackage = "scripts"; + targetDir = "/home/philip"; + stowDirOriginPath = "/home/philip/.local/share/nix-home/stow-origin"; + }) + ]; + + + + terminalEmulatorStow = + lib.pipe { } [ + (_: makeStowDir [{ + stowPackage = "terminal-emulator"; + originalDir = pkgs.linkFarm "terminal-emulator-farm" + ([ + { + name = "bin/terminal-emulator"; + path = depot.users.Profpatsch.alacritty; + } + ]); + + }]) + (d: runStow { + stowDir = d; + stowPackage = "terminal-emulator"; + targetDir = "/home/philip"; + # TODO: this should only be done once, in a single runStow instead of multiple + stowDirOriginPath = "/home/philip/.local/share/nix-home/stow-origin-terminal-emulator"; + }) + ]; + +in + +# TODO: run multiple stows with runStow? + # TODO: temp setup +depot.nix.writeExecline "nix-home" { } [ + "if" + [ scriptsStow ] + terminalEmulatorStow +] |