5 files changed, 60 insertions, 0 deletions
diff --git a/guides/sysadmin/apps-demo/.gitignore b/guides/sysadmin/apps-demo/.gitignore
new file mode 100644
index 0000000..111d960
--- /dev/null
+++ b/guides/sysadmin/apps-demo/.gitignore
@@ -0,0 +1,2 @@
+man
+info
diff --git a/guides/sysadmin/apps-demo/activate b/guides/sysadmin/apps-demo/activate
new file mode 100644
index 0000000..b8c9138
--- /dev/null
+++ b/guides/sysadmin/apps-demo/activate
@@ -0,0 +1,34 @@
+# Hey Emacs; this is a -*- shell-script -*-.
+# Hopefully invoked by bash 🤞
+
+_apps_dir=$(realpath --no-symlinks $(dirname ${BASH_SOURCE}))
+
+_apps_PATH=$(
+    shopt -s nullglob
+    bins=( "${_apps_dir}"/*/bin )
+    IFS=: eval 'echo "${bins[*]}"'
+)
+export PATH=${_apps_PATH}:${PATH}
+
+_apps_XDG_DATA_DIRS=$(
+    shopt -s nullglob
+    # We could set globstar and let Bash loose, searching the depths
+    # of _apps_dir for
+    # **/{applications/*.desktop,systemd/user/*.service}
+    # but it seems like asking for trouble.  Make some assumptions
+    # about where applications typically dump their XDG-related files.
+    datadirs=($(
+        {
+            for dkentry in "${_apps_dir}"/*/share/applications/*.desktop
+            do
+                echo ${dkentry%/applications/*.desktop}
+            done
+            for unit in "${_apps_dir}"/*/lib*/systemd/user/*.service
+            do
+                echo ${unit%/systemd/user/*.service}
+            done
+        } | sort -u
+    ))
+    IFS=: eval 'echo "${datadirs[*]}"'
+)
+export XDG_DATA_DIRS="${_apps_XDG_DATA_DIRS}:${XDG_DATA_DIRS:-/usr/local/share:/usr/share}"
diff --git a/guides/sysadmin/apps-demo/napp/bin/napp b/guides/sysadmin/apps-demo/napp/bin/napp
new file mode 100755
index 0000000..1bd6e9f
--- /dev/null
+++ b/guides/sysadmin/apps-demo/napp/bin/napp
@@ -0,0 +1,3 @@
+#!/bin/bash
+
+echo 😴
diff --git a/guides/sysadmin/apps-demo/napp/share/doc.sh b/guides/sysadmin/apps-demo/napp/share/doc.sh
new file mode 100755
index 0000000..e7c8eb1
--- /dev/null
+++ b/guides/sysadmin/apps-demo/napp/share/doc.sh
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+set -eux
+
+mkdir -p info man/man1
+
+pandoc napp.md -s -o man/man1/napp.1
+pandoc napp.md -s -o info/napp.texi \
+       -H <(cat <<EOF
+@dircategory Software development
+@direntry
+* Napp: (napp).
+* Napp node: (napp)napp
+@end direntry
+EOF
+)
+makeinfo info/napp.texi -o info
+install-info info/napp.info info/dir
diff --git a/guides/sysadmin/apps-demo/napp/share/napp.md b/guides/sysadmin/apps-demo/napp/share/napp.md
new file mode 100644
index 0000000..ce841df
--- /dev/null
+++ b/guides/sysadmin/apps-demo/napp/share/napp.md
@@ -0,0 +1,3 @@
+# napp
+
+You need it.