2 files changed, 390 insertions, 0 deletions

diff --git a/accounts/gkleen@skadhi/zsh/default.nix b/accounts/gkleen@skadhi/zsh/default.nix
new file mode 100644
index 00000000..d0046bc1
--- /dev/null
+++ b/accounts/gkleen@skadhi/zsh/default.nix
@@ -0,0 +1,110 @@
+{ pkgs, lib, config, sysConfig, flakeInputs, ... }:
+let
+  zshrc = pkgs.resholve.mkDerivation {
+    pname = "zshrc";
+    version = "0.0.0";
+
+    src = ./zshrc;
+
+    dontUnpack = true;
+    dontConfigure = true;
+    dontBuild = true;
+
+    installPhase = ''
+      mkdir -p $out/share
+      install "$src" $out/share/zshrc
+    '';
+
+    solutions = {
+      default = {
+        scripts = [ "share/zshrc" ];
+        interpreter = "none";
+        inputs = with pkgs; [
+          coreutils
+          rpm
+          binutils
+          squashfsTools
+          unzip
+          config.programs.git.package
+          magickWrapped
+          curl
+          file
+          gnutar
+          cpio
+          magic-wormhole
+          config.programs.zsh.package
+          util-linux
+          findutils
+          qrencode
+          tty-clock
+          config.programs.jq.package
+          eza
+          less
+          sysConfig.systemd.package
+          sysConfig.programs.ssh.package
+          gnused
+          p7zip
+        ];
+        execer = with pkgs; [
+          "cannot:${lib.getExe' rpm "rpm2cpio"}"
+          "cannot:${lib.getExe' squashfsTools "unsquashfs"}"
+          "cannot:${lib.getExe' unzip "unzip"}"
+          "cannot:${lib.getExe config.programs.git.package}"
+          "cannot:${lib.getExe cpio}"
+          "cannot:${lib.getExe' magic-wormhole "wormhole"}"
+          "cannot:${lib.getExe' fuse "fusermount"}"
+          "cannot:${lib.getExe less}"
+          "cannot:${lib.getExe' sysConfig.systemd.package "systemctl"}"
+          "cannot:${lib.getExe sysConfig.programs.ssh.package}"
+          "cannot:${lib.getExe' p7zip "7z"}"
+        ];
+        wrapper = with pkgs; [
+          "${lib.getExe' magickWrapped "magick"}:${lib.getExe' imagemagick "magick"}"
+        ];
+        fake = {
+          builtin = ["print"];
+          external = lib.mapAttrsToList (_: cfg: cfg.program) sysConfig.security.wrappers;
+        };
+      };
+    };
+  };
+  magickWrapped = pkgs.symlinkJoin {
+    inherit (pkgs.imagemagick) name;
+    paths = [ pkgs.imagemagick ];
+
+    buildInputs = with pkgs; [ makeWrapper ];
+    postBuild = ''
+      wrapProgram $out/bin/magick \
+        --prefix PATH : ${lib.makeBinPath (with pkgs; [ ghostscript ])}
+    '';
+  };
+in {
+  config = {
+    home.persistence."/persistent".files = [
+      (lib.removePrefix (config.home.homeDirectory + "/") config.programs.zsh.history.path)
+    ];
+    programs.zsh.history.path = "${config.xdg.stateHome}/zsh/history";
+    programs.zsh.initContent = ''
+      source ${zshrc}/share/zshrc
+    '';
+    programs.zsh.dirHashes = let
+      flakeHashes = lib.mapAttrs' (n: v: lib.nameValuePair (inputNames.${n} or n) (toString v)) flakeInputs;
+      inputNames = {
+        self = "nixos";
+      };
+    in flakeHashes // {
+        docs = "$HOME/documents";
+        dl = "$HOME/Downloads";
+        scrot = "$HOME/screenshots";
+        media = "$HOME/media";
+        flk = "$HOME/projects/machines";
+    };
+    programs.starship.settings = {
+      directory.substitutions = lib.mapAttrs' (name: value: let
+        value' = builtins.unsafeDiscardStringContext value;
+        value'' = if lib.hasPrefix "$HOME/" value' then "~" + lib.removePrefix "$HOME" value' else value';
+      in lib.nameValuePair value'' "~${name}"
+      ) config.programs.zsh.dirHashes;
+    };
+  };
+}
diff --git a/accounts/gkleen@skadhi/zsh/zshrc b/accounts/gkleen@skadhi/zsh/zshrc
new file mode 100644
index 00000000..ea792718
--- /dev/null
+++ b/accounts/gkleen@skadhi/zsh/zshrc
@@ -0,0 +1,280 @@
+dir() {
+    curlArchive=false
+    templateArchive=""
+    repoUrl=""
+    dir=""
+    forceShell=false
+    wormhole=false
+    gitWorktree=""
+    modifyPDF=""
+
+    while getopts ':t:a:d:ir:wg:p:m' arg; do
+        case $arg in
+            "t") ;;
+            "a")
+                if [[ ${OPTARG} =~ "://" ]]; then
+                    templateArchive=${OPTARG}
+                    curlArchive=true
+                else
+                    templateArchive=${OPTARG:a}
+                fi
+                ;;
+            "d") dir=${OPTARG} ;;
+            "i") forceShell=true ;;
+            "r") repoUrl=${OPTARG} ;;
+            "w") wormhole=true ;;
+            "g") gitWorktree=${OPTARG} ;;
+            "p") modifyPDF=${OPTARG:a} ;;
+            *) printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
+        esac
+    done
+
+    shift $((OPTIND - 1))
+
+    if [[ -z ${dir} && ${#@} -ge 1 ]]; then
+        dir=${1}
+        shift
+    fi
+
+    [[ -n ${dir} ]] || return 2;
+
+    if [[ ! -e ${dir} ]]; then
+        if [[ -z "${gitWorktree}" ]]; then
+            mkdir -vp ${dir}
+        else
+            git -C ${gitWorktree} worktree add ${dir}
+        fi
+    else
+        gitWorktree=""
+    fi
+
+    cleanup()
+    {
+        if [[ -n ${modifyPDF} ]]; then
+           cd ${modifyPDF:h}
+           typeset -a pages
+           eval 'pages=(${dir}/${modifyPDF:t:r}_*.png(on))'
+           magick -verbose "${pages[@]}" $(mktemp --tmpdir=${modifyPDF:h} ${modifyPDF:t:r}_XXXXXXXXXX.${modifyPDF:e})
+           modifyPDF=""
+        fi
+    }
+
+    (
+        set -o localoptions -o localtraps
+        trap 'return 1' INT TERM
+        trap cleanup EXIT
+
+        cd ${dir}
+        export dir;
+
+        [[ -n ${repoUrl} ]] && git clone -- ${repoUrl} .
+
+        [[ -n ${modifyPDF} ]] && templateArchive=${modifyPDF}
+
+        if [[ -n ${templateArchive} ]]; then
+            (
+                archiveFile=""
+                cleanup() {
+                    [[ -n "${archiveFile}" ]] && rm -fv ${archiveFile}
+                }
+                trap cleanup EXIT
+
+                if [[ $curlArchive = "true" ]]; then
+                    archiveFile=$(mktemp -t "archive.XXXXXXXXXX.${templateArchive:t}")
+
+                    curl -SfL -o ${archiveFile} ${templateArchive}
+
+                    templateArchive=${archiveFile}
+                fi
+
+                unpack=true
+                while [[ $unpack = "true" ]]; do
+                    case $(file --brief --mime-type --dereference ${templateArchive}) in
+                        application/zip)
+                            unzip ${templateArchive}
+                            unpack=false
+                        ;;
+                        application/vnd.debian.binary-package)
+                            ar x ${templateArchive}
+                            mkdir control data
+                            tar -C control -xvaf control.*
+                            tar -C data -xvaf data.*
+                            unpack=false
+                        ;;
+                        application/x-rpm)
+                            cpioArchive=$(mktemp -t "archive.XXXXXXXXXX.${templateArchive:t:r}.cpio")
+                            rpm2cpio ${templateArchive} > ${cpioArchive}
+                            templateArchive=${cpioArchive}
+                            unpack=true
+                        ;;
+                        application/x-cpio)
+                            cpio --extract --make-directories --no-absolute-filenames -F ${templateArchive}
+                            unpack=false
+                        ;;
+                        application/pdf)
+                            magick -verbose -density 400 ${templateArchive} ${modifyPDF:t:r}_%0d.png
+                            unpack=false
+                        ;;
+                        application/octet-stream)
+                            if [[ $(file --brief --dereference ${templateArchive}) =~ Squashfs ]]; then
+                               unsquashfs -d . ${templateArchive}
+                               unpack=false
+                            fi
+                        ;;
+                        application/x-iso9660-image)
+                          7z x ${templateArchive}
+                          unpack=false
+                        ;;
+                        *)
+                            tar -xvaf ${templateArchive}
+                            unpack=false
+                        ;;
+                    esac
+                done
+            )
+        fi
+
+
+        [[ $wormhole = "true" ]] && wormhole receive --accept-file
+
+
+        if [[ ${#@} -gt 0 ]]; then
+            ${@}
+        fi
+
+        cd $(pwd) # Needed for mounting to work
+
+        if [[ ${#@} -eq 0 ]] || [[ $forceShell = "true" ]]; then
+            isSingleDir() {
+                typeset -a contents
+                contents=(*(N) .*(N))
+
+                if [[ ${#contents} -eq 1 && -d ${contents[1]} ]]; then
+                    print ${contents[1]}
+                    return 0
+                else
+                    return 1
+                fi
+            }
+            while d=$(isSingleDir); do cd ${d}; done
+
+            zsh
+        fi
+    )
+}
+
+tmpdir() {
+    cleanup()
+    {
+        cd /
+        unmount() {
+            printf "Unmounting %s\n" ${1} >&2
+            fusermount3 -u ${1} || umount ${1} || sudo umount ${1}
+        }
+
+        if [[ -n ${dir} ]]; then
+            if mountpoint -q -- ${dir}; then
+                unmount ${dir} || return $?
+            else
+                while read -d $'\0' subDir; do
+                    mountpoint -q -- ${subDir} || continue
+                    unmount ${subDir} || return $?
+                done <<<$(find ${dir} -xdev -type d -print0 | sort -zr)
+            fi
+
+            rm -rfv --one-file-system -- ${dir}
+            dir=""
+        fi
+    }
+
+    local tmpdir=""
+
+    while getopts ':t:a:d:ir:wg:p:m' arg; do
+        case $arg in
+            "t") tmpdir="=${OPTARG}" ;;
+            "?"|":") printf "Invalid option: %s\n" $arg >&2; exit 2 ;;
+        esac
+    done
+
+    (
+        set -o localoptions -o localtraps
+        trap 'return 1' INT TERM
+        trap cleanup EXIT
+
+
+        local dir=$(mktemp -ud --tmpdir${tmpdir} ${0}.XXXXXXXXXX || return $?)
+
+        ( dir -d ${dir} ${@} )
+    )
+}
+
+qr() {
+    qrencode -l M -o - -t ANSIUTF8 $@
+}
+
+clock() {
+    tty-clock -sSbc -C 7 -d 0 -a 100000000
+}
+
+public-ip() {
+    curl -sSf -H 'Accept: application/json' $@ ifconfig.co | jq -r '.ip'
+}
+
+swap() {
+    f1=${1}
+    f2=${2}
+
+    if [[ -z "${f1}" || ! -e "${f1}" ]]; then
+        printf "‘%s’ does not exist\n" "${f1}" >&2
+        return 2
+    fi
+    if [[ -z "${f2}" || ! -e "${f2}" ]]; then
+        printf "‘%s’ does not exist\n" "${f2}" >&2
+        return 2
+    fi
+
+    tmpfile=$(mktemp --dry-run --tmpdir=${f1:h} .swap.XXXXXXXXXX)
+    mv -v ${f1} ${tmpfile}
+    mv -v ${f2} ${f1}
+    mv -v ${tmpfile} ${f2}
+}
+
+ls() {
+  eza --all --group-directories-first --colour=always --sort=modified --smart-group $@ | less --mouse -FR
+}
+
+l() {
+  ls --long --binary --git --time-style=iso --header $@
+}
+
+ssh-installer() {
+  ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no -o IdentityFile=~/.ssh/gkleen@sif.midgard.yggdrasil $@
+}
+
+dichotomic_search() {
+  min=$1; shift
+  max=$1; shift
+
+  while [[ $min -lt $max ]]; do
+    # Compute the mean between min and max, rounded up to the superior unit
+    current=$(( (min + max + 1 ) / 2 ))
+    if $@ $current; then
+      min=$current
+    else
+      max=$((current - 1))
+    fi
+  done
+
+  echo $min
+}
+
+while read -r -d $'\0' d _ s; do
+  hash -d ${s}=${d}
+done < <(find ~/projects ~/uni -regextype posix-extended -maxdepth 2 -type d -regex '\S+/[0-9]{2}[ws]/\S+' -print0 2>/dev/null | \
+       sed -zr 's|(.*/([0-9]{2}[ws])/(.+))|\1 \2 \3|' | \
+       sort -z -r -k2 | sort -z -s -k3 | uniq -z -f 2)
+
+alias rzadm=$'tmpdir -i sh -c \'mkdir adm; sshfs gkleen@mgmt01:/adm adm\''
+alias mathcloud=$'tmpdir -i rclone mount --daemon mathcloud:// .'
+
+export DEFAULT_USER=gkleen