From d6949fe35c1b4c7a9e93d1430e5c1b1d5dd4d9c6 Mon Sep 17 00:00:00 2001
From: Chris Wells <chris@mathematicaster.org>
Date: Wed, 24 Jan 2024 14:56:56 -0600
Subject: Getting a whole kobo distribution together!

---
 pkgs/install.nix | 110 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 pkgs/install.nix

(limited to 'pkgs/install.nix')

diff --git a/pkgs/install.nix b/pkgs/install.nix
new file mode 100644
index 0000000..e25108d
--- /dev/null
+++ b/pkgs/install.nix
@@ -0,0 +1,110 @@
+{ writeShellApplication
+, coreutils
+, gnugrep
+, rsync
+, util-linux
+, koboLabel ? "KOBOeReader"
+, ... }: writeShellApplication {
+  name = "KoboInstaller";
+  runtimeInputs = [
+    coreutils
+    gnugrep
+    rsync
+    util-linux
+  ];
+  text = ''
+    INPUT=${1-}
+
+    if [[ -z "$INPUT" ]]; then
+      echo "Must provide an input directory"
+      exit 255
+    fi
+
+    if [[ ! -d "$INPUT/.kobo" ]] || [[ ! -d "$INPUT/.adds" ]]; then
+      echo "Missing one of $INPUT/.kobo or $INPUT/.adds. Are you sure your input directory is correct?"
+      exit 255
+    fi
+
+    KOBO_MOUNTPOINT="$(findmnt -nlo TARGET LABEL="${koboLabel}")"
+    if [[ -z "$KOBO_MOUNTPOINT" ]]; then
+      echo "Couldn't find a Kobo eReader volume! Is one actually mounted?"
+      exit 255
+    fi
+
+    KOBO_DIR="$KOBO_MOUNTPOINT/.kobo"
+    if [[ ! -d "$KOBO_DIR" ]]; then
+      echo "It doesn't seem like $KOBO_MOUNTPOINT actually points to a Kobo eReader since it doesn't contain a .kobo directory..."
+      exit 255
+    fi
+
+    # Tiny DRY helper for the failure message...
+    recap_failure() {
+      echo "* As a result, the device may have been left in an inconsistent state!"
+      echo "* Please note that NO automatic cleanup will be done!"
+      echo "* As such, before unplugging your device, consider removing:"
+      echo "* The following folders:"
+      for kfm_folder in .adds/kfmon .adds/koreader .adds/plato ; do
+        local current_folder="$KOBO_MOUNTPOINT/$kfm_folder"
+        if [[ -d "$current_folder" ]] ; then
+          printf "\t%s\n" "$current_folder"
+        else
+          printf "\t%-96s%32s\n" "$current_folder" "[OK: Already gone]"
+        fi
+      done
+      echo "* As well as the following files:"
+      for kfm_file in .kobo/KoboRoot.tgz kfmon.png koreader.png icons/plato.png ; do
+        local current_file="$KOBO_MOUNTPOINT/$kfm_file"
+        if [[ -f "$current_file" ]] ; then
+          printf "\t%s\n" "$current_file"
+        else
+          printf "\t%-96s%32s\n" "$current_file" "[OK: Already gone]"
+        fi
+      done
+    }
+
+    KOBO_CONFIG="$KOBO_DIR/Kobo/Kobo eReader.conf"
+    echo "* Preventing Nickel from scanning hidden directories . . ."
+    cat >> "${KOBO_CONFIG}" <<-\EoM
+
+        [FeatureSettings]
+        ExcludeSyncFolders=(\\.(?!kobo|adobe).+|([^.][^/]*/)+\\..+)
+    EoM
+
+    # Check for a cat failure, as unlikely as it might be (permissions?)...
+    ret=$?
+    if [[ $ret -ne 0 ]] ; then
+        echo "* Installation FAILED: Failed to update Nickel config!"
+        echo "* No permanent changes have been made."
+        exit $ret
+    fi
+
+    # Double-check that it was updated, in case of gremlins attack...
+    if ! grep -Fq 'ExcludeSyncFolders=(\\.(?!kobo|adobe).+|([^.][^/]*/)+\\..+)' "${KOBO_CONFIG}" ; then
+        echo "* Installation FAILED: Nickel config update was ineffective o_O !"
+        echo "* No permanent changes have been made."
+        exit 255
+    fi
+
+    echo "* Installing Kobo package"
+    rsync -vr "$INPUT/" "$KOBO_MOUNTPOINT"
+
+    ret=$?
+    if [[ $ret -ne 0 ]]; then
+      echo "* Installation FAILED: Failed to copy archive!"
+      recap_failure
+      exit $ret
+    fi
+
+    echo "* Sanity check . . ."
+    if [[ ! "$KOBO_DIR/KoboRoot.tgz" ]]; then
+      echo "* Installation FAILED: Copying was ineffective (no KoboRoot tarball) o_O !"
+      recap_failure
+      exit 255
+    fi
+
+    echo "* Installation successful!"
+    echo "* Please make sure to eject & unplug your device safely!"
+
+    exit 0
+  '';
+}
-- 
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