From a379bfc742fd82312c210b3b7a0037386a3f65e5 Mon Sep 17 00:00:00 2001
From: Stephan Leemburg <sleemburg@it-functions.nl>
Date: Fri, 29 Jul 2022 22:46:54 +0200
Subject: [PATCH] add --create and --ifexists options to line

---
 cdist/conf/type/__line/boolean                    |  2 ++
 cdist/conf/type/__line/gencode-remote             | 12 ++++++++++--
 cdist/conf/type/__line/man.rst                    |  6 ++++++
 cdist/conf/type/__line/parameter/default/create   |  1 +
 cdist/conf/type/__line/parameter/default/ifexists |  1 +
 5 files changed, 20 insertions(+), 2 deletions(-)
 create mode 100644 cdist/conf/type/__line/boolean
 create mode 100644 cdist/conf/type/__line/parameter/default/create
 create mode 100644 cdist/conf/type/__line/parameter/default/ifexists

diff --git a/cdist/conf/type/__line/boolean b/cdist/conf/type/__line/boolean
new file mode 100644
index 00000000..182a5da6
--- /dev/null
+++ b/cdist/conf/type/__line/boolean
@@ -0,0 +1,2 @@
+create
+ifexists
diff --git a/cdist/conf/type/__line/gencode-remote b/cdist/conf/type/__line/gencode-remote
index a89886da..95c2360d 100755
--- a/cdist/conf/type/__line/gencode-remote
+++ b/cdist/conf/type/__line/gencode-remote
@@ -34,8 +34,16 @@ state_should="$(cat "$__object/parameter/state")"
 state_is="$(cat "$__object/explorer/state")"
 
 if [ -z "$state_is" ]; then
-   printf 'The file "%s" is missing. Please create it before using %s on it.\n' "$file" "${__type##*/}" >&2
-   exit 1
+   if [ -f "$__object/parameter/create" ]; then
+      echo "touch $file"
+   else
+      # only bark if the file should exists
+      if [ -f "$__object/parameter/ifexists" ]; then
+          exit 0
+      fi
+      printf 'The file "%s" is missing. Please create it before using %s on it.\n' "$file" "${__type##*/}" >&2
+      exit 1
+   fi
 fi
 
 if [ "$state_should" = "$state_is" ] || \
diff --git a/cdist/conf/type/__line/man.rst b/cdist/conf/type/__line/man.rst
index 70490f68..dd41fc40 100644
--- a/cdist/conf/type/__line/man.rst
+++ b/cdist/conf/type/__line/man.rst
@@ -21,6 +21,9 @@ OPTIONAL PARAMETERS
 after
     Insert the given line after this pattern.
 
+create
+    It the file does not exist then create an empty file
+
 before
     Insert the given line before this pattern.
 
@@ -28,6 +31,9 @@ file
     If supplied, use this as the destination file.
     Otherwise the object_id is used.
 
+ifexists
+    Only apply the line if the file exists.
+
 line
     Specifies the line which should be absent or present.
 
diff --git a/cdist/conf/type/__line/parameter/default/create b/cdist/conf/type/__line/parameter/default/create
new file mode 100644
index 00000000..c508d536
--- /dev/null
+++ b/cdist/conf/type/__line/parameter/default/create
@@ -0,0 +1 @@
+false
diff --git a/cdist/conf/type/__line/parameter/default/ifexists b/cdist/conf/type/__line/parameter/default/ifexists
new file mode 100644
index 00000000..c508d536
--- /dev/null
+++ b/cdist/conf/type/__line/parameter/default/ifexists
@@ -0,0 +1 @@
+false