@@ -43,6 +43,8 @@
- date(date[, fmt])
+- diff([includepattern [, excludepattern]])
+
- fill(text[, width])
- get(dict, key)
@@ -225,6 +225,23 @@
return util.datestr(date, fmt)
return util.datestr(date)
+def diff(context, mapping, args):
+ if len(args) > 2:
+ # i18n: "diff" is a keyword
+ raise error.ParseError(_("diff expects one, two or no arguments"))
+
+ def getpatterns(i):
+ if i < len(args):
+ s = args[i][1].strip()
+ if s:
+ return [s]
+ return []
+
+ ctx = mapping['ctx']
+ chunks = ctx.diff(match=ctx.match([], getpatterns(0), getpatterns(1)))
+
+ return ''.join(chunks)
+
def fill(context, mapping, args):
if not (1 <= len(args) <= 4):
raise error.ParseError(_("fill expects one to four arguments"))
@@ -516,6 +533,7 @@
funcs = {
"date": date,
+ "diff": diff,
"fill": fill,
"get": get,
"if": if_,
@@ -1450,6 +1450,61 @@
hg: parse error: unknown function 'foo'
[255]
+Test diff function:
+
+ $ hg diff -c 8
+ diff -r 29114dbae42b -r 95c24699272e fourth
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/fourth Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +second
+ diff -r 29114dbae42b -r 95c24699272e second
+ --- a/second Mon Jan 12 13:46:40 1970 +0000
+ +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
+ @@ -1,1 +0,0 @@
+ -second
+ diff -r 29114dbae42b -r 95c24699272e third
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/third Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +third
+
+ $ hg log -r 8 -T "{diff()}"
+ diff -r 29114dbae42b -r 95c24699272e fourth
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/fourth Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +second
+ diff -r 29114dbae42b -r 95c24699272e second
+ --- a/second Mon Jan 12 13:46:40 1970 +0000
+ +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
+ @@ -1,1 +0,0 @@
+ -second
+ diff -r 29114dbae42b -r 95c24699272e third
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/third Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +third
+
+ $ hg log -r 8 -T "{diff('glob:f*')}"
+ diff -r 29114dbae42b -r 95c24699272e fourth
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/fourth Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +second
+
+ $ hg log -r 8 -T "{diff('', 'glob:f*')}"
+ diff -r 29114dbae42b -r 95c24699272e second
+ --- a/second Mon Jan 12 13:46:40 1970 +0000
+ +++ /dev/null Thu Jan 01 00:00:00 1970 +0000
+ @@ -1,1 +0,0 @@
+ -second
+ diff -r 29114dbae42b -r 95c24699272e third
+ --- /dev/null Thu Jan 01 00:00:00 1970 +0000
+ +++ b/third Wed Jan 01 10:01:00 2020 +0000
+ @@ -0,0 +1,1 @@
+ +third
+
$ cd ..