[PATCH] templater: introduce indent function

Ryan McElroy rmcelroy at fb.com
Sat Apr 4 08:19:52 UTC 2015


# HG changeset patch
# User Ryan McElroy <rmcelroy at fb.com>
# Date 1428134632 25200
#      Sat Apr 04 01:03:52 2015 -0700
# Node ID e2af17e4887916089a49b2d3331a725c840fbce6
# Parent  4a4018831d2ebc3c9cae9c6613e6a2497b4f0993
templater: introduce indent function

diff --git a/mercurial/templater.py b/mercurial/templater.py
--- a/mercurial/templater.py
+++ b/mercurial/templater.py
@@ -301,6 +301,20 @@ def pad(context, mapping, args):
     else:
         return text.ljust(width, fillchar)
 
+def indent(context, mapping, args):
+    """:indent(text, indentchars): Indents all non-empty lines except the first
+    with the characters given in the indentchars string.
+    Example: indent('hello\\nworld', '    ') == "hello\\n    world"
+    """
+    if len(args) != 2:
+        # i18n: "indent" is a keyword
+        raise error.ParseError(_("indent() expects two arguments"))
+
+    text = args[0][0](context, mapping, args[0][1])
+    indent = args[1][0](context, mapping, args[1][1])
+
+    return templatefilters.indent(text, indent)
+
 def get(context, mapping, args):
     """:get(dict, key): Get an attribute/key from an object. Some keywords
     are complex types. This function allows you to obtain the value of an
@@ -571,6 +585,7 @@ funcs = {
     "if": if_,
     "ifcontains": ifcontains,
     "ifeq": ifeq,
+    "indent": indent,
     "join": join,
     "label": label,
     "pad": pad,
diff --git a/tests/test-command-template.t b/tests/test-command-template.t
--- a/tests/test-command-template.t
+++ b/tests/test-command-template.t
@@ -2548,3 +2548,21 @@ Test word error messages for not enough 
   $ hg log -Gv -R a --template "{word('0', desc, 'o', 'h', 'b', 'o', 'y')}"
   hg: parse error: word expects two or three arguments, got 7
   [255]
+
+Test indent
+
+  $ hg log -T "  {indent(desc, '    ')}\n" -R a
+    future
+    third
+    second
+    merge
+    new head
+    new branch
+    no user, no domain
+    no person
+    other 1
+      other 2
+  
+      other 3
+    line 1
+      line 2


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