3 files changed, 101 insertions, 0 deletions
diff --git a/pkgs/scripts/clip.nix b/pkgs/scripts/clip.nix
new file mode 100644
index 0000000..3e16e3e
--- /dev/null
+++ b/pkgs/scripts/clip.nix
@@ -0,0 +1,50 @@
+{
+  lib,
+  writeShellScriptBin,
+  gnome-screenshot,
+  xclip,
+  file,
+  imagemagick,
+  toPDF,
+  ...
+}:
+with lib; let
+  name =
+    if toPDF
+    then "clip-pdf"
+    else "clip";
+
+  pdfCmdline = optionalString toPDF ''
+    if [ $# -lt 1 ]; then
+      echo "Usage: $0 <out.pdf> [opts...]" >&2
+      exit 1
+    fi
+
+    OUT="$1"
+    shift
+  '';
+
+  copyOut =
+    if toPDF
+    then ''
+      ${imagemagick}/bin/convert "$CLIP" "$OUT"
+    ''
+    else ''
+      ${xclip}/bin/xclip -selection clipboard \
+        -t $(${file}/bin/file -b --mime-type $CLIP) <"$CLIP"
+    '';
+in
+  writeShellScriptBin name ''
+    ${pdfCmdline}
+
+    OPTIONS=-a
+    if [ "x$@" != "x" ]; then
+      OPTIONS="$@"
+    fi
+
+    CLIP="$HOME/vtmp/$$.png"
+    ${gnome-screenshot}/bin/gnome-screenshot "$OPTIONS" -f "$CLIP"
+    ${copyOut}
+
+    rm "$CLIP"
+  ''
diff --git a/pkgs/scripts/default.nix b/pkgs/scripts/default.nix
new file mode 100644
index 0000000..ed18647
--- /dev/null
+++ b/pkgs/scripts/default.nix
@@ -0,0 +1,13 @@
+{
+  callPackage,
+  symlinkJoin,
+  ...
+}:
+symlinkJoin {
+  name = "scripts";
+  paths = [
+    (callPackage ./clip.nix {toPDF = false;})
+    (callPackage ./clip.nix {toPDF = true;})
+    (callPackage ./merge-pdfs.nix {})
+  ];
+}
diff --git a/pkgs/scripts/merge-pdfs.nix b/pkgs/scripts/merge-pdfs.nix
new file mode 100644
index 0000000..cb7d678
--- /dev/null
+++ b/pkgs/scripts/merge-pdfs.nix
@@ -0,0 +1,38 @@
+{
+  writeShellScriptBin,
+  pdftk,
+  ...
+}:
+writeShellScriptBin "merge-pdfs" ''
+  set -e
+  export PATH="$PATH:${pdftk}/bin"
+
+  if [ $# -lt 3 ]; then
+    echo "Usage: $0 <output> <PDFs...>" >&2
+    exit 1
+  fi
+
+  OUTPUT="$1"
+  shift
+
+  WORKDIR="$HOME/vtmp/merge-pdfs.$$"
+  BOOKMARKS="$WORKDIR/bookmarks.txt"
+  FMT="BookmarkBegin
+  BookmarkTitle: %s
+  BookmarkLevel: 1
+  BookmarkPageNumber: 1
+  "
+
+  mkdir "$WORKDIR"
+
+  N=0
+  for SOURCE in "$@"; do
+    BASE="$(basename "$SOURCE")"
+    printf "$FMT" "''${BASE%.*}" >"$BOOKMARKS"
+    pdftk "$SOURCE" update_info "$BOOKMARKS" output "$WORKDIR/"$(printf "%04d" $N).pdf
+    N=$((N+1))
+  done
+
+  pdftk "$WORKDIR"/*.pdf cat output "$OUTPUT"
+  rm -r "$WORKDIR"
+''