From 3382c929523eabaf2ecc079cd483d269c2b4af52 Mon Sep 17 00:00:00 2001
From: Bruno Tavares <bruno.exz@gmail.com>
Date: Fri, 14 Mar 2014 14:51:08 -0300
Subject: [PATCH] Adds templating options to stream and file

---
 docs/index.md                         |  2 ++
 docs/kickstart/file/template.md       | 18 ++++++++++++++++++
 docs/kickstart/stream/template.md     | 16 ++++++++++++++++
 kickstart/recipes/kickstart/file.sh   |  6 ++++++
 kickstart/recipes/kickstart/stream.sh |  4 ++++
 5 files changed, 46 insertions(+)
 create mode 100644 docs/kickstart/file/template.md
 create mode 100644 docs/kickstart/stream/template.md

diff --git a/docs/index.md b/docs/index.md
index baa5f8d..a7398ca 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -12,6 +12,7 @@
 * [kickstart.download.stream](kickstart/download/stream)
 * [kickstart.file.contains](kickstart/file/contains)
 * [kickstart.file.link](kickstart/file/link)
+* [kickstart.file.template](kickstart/file/template)
 * [kickstart.group.create](kickstart/group/create)
 * [kickstart.module.apply_recipe](kickstart/module/apply_recipe)
 * [kickstart.module.apply_role](kickstart/module/apply_role)
@@ -36,6 +37,7 @@
 * [kickstart.service.start](kickstart/service/start)
 * [kickstart.service.stop](kickstart/service/stop)
 * [kickstart.stream.contains](kickstart/stream/contains)
+* [kickstart.stream.template](kickstart/stream/template)
 * [kickstart.user.add_group](kickstart/user/add_group)
 * [kickstart.user.create](kickstart/user/create)
 * [kickstart.user.exec](kickstart/user/exec)
diff --git a/docs/kickstart/file/template.md b/docs/kickstart/file/template.md
new file mode 100644
index 0000000..7b1b305
--- /dev/null
+++ b/docs/kickstart/file/template.md
@@ -0,0 +1,18 @@
+# kickstart.file.template file [positional arguments...]
+
+Receives a file for templating, eval the arguments and return it.
+It evals the file under the current environement, with the variables and functions available.
+
+### Example
+
+```bash
+$ cat file
+\$argument is $argument
+$ argument=awesome kickstart.file.template file
+$argument is awesome
+
+$ cat file
+$1, $2 and $3
+$ kickstart.file.template file Alice Bob Eve
+Alice, Bob and Eve
+```
diff --git a/docs/kickstart/stream/template.md b/docs/kickstart/stream/template.md
new file mode 100644
index 0000000..0bcff01
--- /dev/null
+++ b/docs/kickstart/stream/template.md
@@ -0,0 +1,16 @@
+# kickstart.stream.template [positional arguments...]
+
+Receives from stdin the template string, eval the arguments and return it.
+It evals the stream under the current environement, with the variables and functions available.
+
+### Example
+
+```bash
+$ echo '\$argument is $argument' | \
+    argument=awesome kickstart.stream.template
+$argument is awesome
+
+$ echo '$1, $2 and $3' | \
+    kickstart.stream.template Alice Bob Eve
+Alice, Bob and Eve
+```
diff --git a/kickstart/recipes/kickstart/file.sh b/kickstart/recipes/kickstart/file.sh
index af35c17..96bfd98 100644
--- a/kickstart/recipes/kickstart/file.sh
+++ b/kickstart/recipes/kickstart/file.sh
@@ -6,3 +6,9 @@ kickstart.file.link() {
 kickstart.file.contains() {
   grep -q "$2" $1 2>/dev/null
 }
+
+kickstart.file.template() {
+  file=$1
+  shift
+  kickstart.stream.template "$@" < $file
+}
diff --git a/kickstart/recipes/kickstart/stream.sh b/kickstart/recipes/kickstart/stream.sh
index 8c76673..d619273 100644
--- a/kickstart/recipes/kickstart/stream.sh
+++ b/kickstart/recipes/kickstart/stream.sh
@@ -1,3 +1,7 @@
 kickstart.stream.contains() {
   grep -q "$1" 2>/dev/null
 }
+
+kickstart.stream.template() {
+  eval "echo -e \"`cat`\""
+}