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-rw-r--r--puppet/modules/try/manifests/file.pp38
1 files changed, 31 insertions, 7 deletions
diff --git a/puppet/modules/try/manifests/file.pp b/puppet/modules/try/manifests/file.pp
index 47a8c269..7063ded9 100644
--- a/puppet/modules/try/manifests/file.pp
+++ b/puppet/modules/try/manifests/file.pp
@@ -1,23 +1,47 @@
#
-# like built-in type "file", but gets gracefully ignored if the target does not exist or is undefined.
+# Works like the built-in type "file", but gets gracefully ignored if the target/source does not exist or is undefined.
+#
+# Also, if the source or target doesn't exist, and the destination is a git repo, then the file is restored from git.
#
# /bin/true and /usr/bin/test are hardcoded to their paths in debian.
#
-
+# known limitations:
+# * restore does not work for directories
+#
define try::file (
$ensure = undef,
$target = undef,
+ $source = undef,
+ $owner = undef,
+ $group = undef,
+ $recurse = undef,
+ $purge = undef,
+ $force = undef,
+ $mode = undef,
$restore = true) {
- if $target != undef {
+ if $target {
+ $target_or_source = $target
+ } else {
+ $target_or_source = $source
+ }
+
+ if $target_or_source != undef {
exec { "check_${name}":
command => "/bin/true",
- onlyif => "/usr/bin/test -e '${target}'",
+ onlyif => "/usr/bin/test -e '${target_or_source}'",
loglevel => info;
}
file { "$name":
ensure => $ensure,
target => $target,
+ source => $source,
+ owner => $owner,
+ group => $group,
+ recurse => $recurse,
+ purge => $purge,
+ force => $force,
+ mode => $mode,
require => $require ? {
undef => Exec["check_${name}"],
default => [ $require, Exec["check_${name}"] ]
@@ -27,10 +51,10 @@ define try::file (
}
#
- # if the target does not exist (or is undef), and the file happens to be in a git repo,
+ # if the target/source does not exist (or is undef), and the file happens to be in a git repo,
# then restore the file to its original state.
#
- if $target == undef or $restore {
+ if ($target_or_source == undef) or $restore {
$file_basename = basename($name)
$file_dirname = dirname($name)
$command = "git rev-parse && unlink '${name}'; git checkout -- '${file_basename}' && chown --reference='${file_dirname}' '${name}'; true"
@@ -48,7 +72,7 @@ define try::file (
}
} else {
exec { "restore_${name}":
- unless => "/usr/bin/test -e '${target}'",
+ unless => "/usr/bin/test -e '${target_or_source}'",
command => $command,
cwd => $file_dirname,
require => $require ? {