--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-template-basic.t Sat Jun 16 14:34:35 2018 +0900
@@ -0,0 +1,1088 @@
+Test template syntax and basic functionality
+============================================
+
+ $ hg init a
+ $ cd a
+ $ echo a > a
+ $ hg add a
+ $ echo line 1 > b
+ $ echo line 2 >> b
+ $ hg commit -l b -d '1000000 0' -u 'User Name <user@hostname>'
+
+ $ hg add b
+ $ echo other 1 > c
+ $ echo other 2 >> c
+ $ echo >> c
+ $ echo other 3 >> c
+ $ hg commit -l c -d '1100000 0' -u 'A. N. Other <other@place>'
+
+ $ hg add c
+ $ hg commit -m 'no person' -d '1200000 0' -u 'other@place'
+ $ echo c >> c
+ $ hg commit -m 'no user, no domain' -d '1300000 0' -u 'person'
+
+ $ echo foo > .hg/branch
+ $ hg commit -m 'new branch' -d '1400000 0' -u 'person'
+
+ $ hg co -q 3
+ $ echo other 4 >> d
+ $ hg add d
+ $ hg commit -m 'new head' -d '1500000 0' -u 'person'
+
+ $ hg merge -q foo
+ $ hg commit -m 'merge' -d '1500001 0' -u 'person'
+
+Test arithmetic operators have the right precedence:
+
+ $ hg log -l 1 -T '{date(date, "%Y") + 5 * 10} {date(date, "%Y") - 2 * 3}\n'
+ 2020 1964
+ $ hg log -l 1 -T '{date(date, "%Y") * 5 + 10} {date(date, "%Y") * 3 - 2}\n'
+ 9860 5908
+
+Test division:
+
+ $ hg debugtemplate -r0 -v '{5 / 2} {mod(5, 2)}\n'
+ (template
+ (/
+ (integer '5')
+ (integer '2'))
+ (string ' ')
+ (func
+ (symbol 'mod')
+ (list
+ (integer '5')
+ (integer '2')))
+ (string '\n'))
+ * keywords:
+ * functions: mod
+ 2 1
+ $ hg debugtemplate -r0 -v '{5 / -2} {mod(5, -2)}\n'
+ (template
+ (/
+ (integer '5')
+ (negate
+ (integer '2')))
+ (string ' ')
+ (func
+ (symbol 'mod')
+ (list
+ (integer '5')
+ (negate
+ (integer '2'))))
+ (string '\n'))
+ * keywords:
+ * functions: mod
+ -3 -1
+ $ hg debugtemplate -r0 -v '{-5 / 2} {mod(-5, 2)}\n'
+ (template
+ (/
+ (negate
+ (integer '5'))
+ (integer '2'))
+ (string ' ')
+ (func
+ (symbol 'mod')
+ (list
+ (negate
+ (integer '5'))
+ (integer '2')))
+ (string '\n'))
+ * keywords:
+ * functions: mod
+ -3 1
+ $ hg debugtemplate -r0 -v '{-5 / -2} {mod(-5, -2)}\n'
+ (template
+ (/
+ (negate
+ (integer '5'))
+ (negate
+ (integer '2')))
+ (string ' ')
+ (func
+ (symbol 'mod')
+ (list
+ (negate
+ (integer '5'))
+ (negate
+ (integer '2'))))
+ (string '\n'))
+ * keywords:
+ * functions: mod
+ 2 -1
+
+Filters bind closer than arithmetic:
+
+ $ hg debugtemplate -r0 -v '{revset(".")|count - 1}\n'
+ (template
+ (-
+ (|
+ (func
+ (symbol 'revset')
+ (string '.'))
+ (symbol 'count'))
+ (integer '1'))
+ (string '\n'))
+ * keywords:
+ * functions: count, revset
+ 0
+
+But negate binds closer still:
+
+ $ hg debugtemplate -r0 -v '{1-3|stringify}\n'
+ (template
+ (-
+ (integer '1')
+ (|
+ (integer '3')
+ (symbol 'stringify')))
+ (string '\n'))
+ * keywords:
+ * functions: stringify
+ hg: parse error: arithmetic only defined on integers
+ [255]
+ $ hg debugtemplate -r0 -v '{-3|stringify}\n'
+ (template
+ (|
+ (negate
+ (integer '3'))
+ (symbol 'stringify'))
+ (string '\n'))
+ * keywords:
+ * functions: stringify
+ -3
+
+Filters bind as close as map operator:
+
+ $ hg debugtemplate -r0 -v '{desc|splitlines % "{line}\n"}'
+ (template
+ (%
+ (|
+ (symbol 'desc')
+ (symbol 'splitlines'))
+ (template
+ (symbol 'line')
+ (string '\n'))))
+ * keywords: desc, line
+ * functions: splitlines
+ line 1
+ line 2
+
+Keyword arguments:
+
+ $ hg debugtemplate -r0 -v '{foo=bar|baz}'
+ (template
+ (keyvalue
+ (symbol 'foo')
+ (|
+ (symbol 'bar')
+ (symbol 'baz'))))
+ * keywords: bar, foo
+ * functions: baz
+ hg: parse error: can't use a key-value pair in this context
+ [255]
+
+ $ hg debugtemplate '{pad("foo", width=10, left=true)}\n'
+ foo
+
+Call function which takes named arguments by filter syntax:
+
+ $ hg debugtemplate '{" "|separate}'
+ $ hg debugtemplate '{("not", "an", "argument", "list")|separate}'
+ hg: parse error: unknown method 'list'
+ [255]
+
+Second branch starting at nullrev:
+
+ $ hg update null
+ 0 files updated, 0 files merged, 4 files removed, 0 files unresolved
+ $ echo second > second
+ $ hg add second
+ $ hg commit -m second -d '1000000 0' -u 'User Name <user@hostname>'
+ created new head
+
+ $ echo third > third
+ $ hg add third
+ $ hg mv second fourth
+ $ hg commit -m third -d "2020-01-01 10:01"
+
+ $ hg log --template '{join(file_copies, ",\n")}\n' -r .
+ fourth (second)
+ $ hg log -T '{file_copies % "{source} -> {name}\n"}' -r .
+ second -> fourth
+ $ hg log -T '{rev} {ifcontains("fourth", file_copies, "t", "f")}\n' -r .:7
+ 8 t
+ 7 f
+
+Internal resources shouldn't be exposed (issue5699):
+
+ $ hg log -r. -T '{cache}{ctx}{repo}{revcache}{templ}{ui}'
+
+Never crash on internal resource not available:
+
+ $ hg --cwd .. debugtemplate '{"c0bebeef"|shortest}\n'
+ abort: template resource not available: repo
+ [255]
+
+ $ hg config -T '{author}'
+
+Quoting for ui.logtemplate
+
+ $ hg tip --config "ui.logtemplate={rev}\n"
+ 8
+ $ hg tip --config "ui.logtemplate='{rev}\n'"
+ 8
+ $ hg tip --config 'ui.logtemplate="{rev}\n"'
+ 8
+ $ hg tip --config 'ui.logtemplate=n{rev}\n'
+ n8
+
+Check that recursive reference does not fall into RuntimeError (issue4758):
+
+ common mistake:
+
+ $ cat << EOF > issue4758
+ > changeset = '{changeset}\n'
+ > EOF
+ $ hg log --style ./issue4758
+ abort: recursive reference 'changeset' in template
+ [255]
+
+ circular reference:
+
+ $ cat << EOF > issue4758
+ > changeset = '{foo}'
+ > foo = '{changeset}'
+ > EOF
+ $ hg log --style ./issue4758
+ abort: recursive reference 'foo' in template
+ [255]
+
+ buildmap() -> gettemplate(), where no thunk was made:
+
+ $ cat << EOF > issue4758
+ > changeset = '{files % changeset}\n'
+ > EOF
+ $ hg log --style ./issue4758
+ abort: recursive reference 'changeset' in template
+ [255]
+
+ not a recursion if a keyword of the same name exists:
+
+ $ cat << EOF > issue4758
+ > changeset = '{tags % rev}'
+ > rev = '{rev} {tag}\n'
+ > EOF
+ $ hg log --style ./issue4758 -r tip
+ 8 tip
+
+Set up phase:
+
+ $ hg phase -r 5 --public
+ $ hg phase -r 7 --secret --force
+
+Add a dummy commit to make up for the instability of the above:
+
+ $ echo a > a
+ $ hg add a
+ $ hg ci -m future
+
+Add a commit that does all possible modifications at once
+
+ $ echo modify >> third
+ $ touch b
+ $ hg add b
+ $ hg mv fourth fifth
+ $ hg rm a
+ $ hg ci -m "Modify, add, remove, rename"
+
+Error on syntax:
+
+ $ cat <<EOF > t
+ > changeset = '{c}'
+ > c = q
+ > x = "f
+ > EOF
+ $ echo '[ui]' > .hg/hgrc
+ $ echo 'style = t' >> .hg/hgrc
+ $ hg log
+ hg: parse error at t:3: unmatched quotes
+ [255]
+
+ $ hg log -T '{date'
+ hg: parse error at 1: unterminated template expansion
+ ({date
+ ^ here)
+ [255]
+ $ hg log -T '{date(}'
+ hg: parse error at 6: not a prefix: end
+ ({date(}
+ ^ here)
+ [255]
+ $ hg log -T '{date)}'
+ hg: parse error at 5: invalid token
+ ({date)}
+ ^ here)
+ [255]
+ $ hg log -T '{date date}'
+ hg: parse error at 6: invalid token
+ ({date date}
+ ^ here)
+ [255]
+
+ $ hg log -T '{}'
+ hg: parse error at 1: not a prefix: end
+ ({}
+ ^ here)
+ [255]
+ $ hg debugtemplate -v '{()}'
+ (template
+ (group
+ None))
+ * keywords:
+ * functions:
+ hg: parse error: missing argument
+ [255]
+
+Behind the scenes, this would throw TypeError without intype=bytes
+
+ $ hg log -l 3 --template '{date|obfuscate}\n'
+ 0.00
+ 0.00
+ 1577872860.00
+
+Behind the scenes, this will throw a ValueError
+
+ $ hg log -l 3 --template 'line: {desc|shortdate}\n'
+ hg: parse error: invalid date: 'Modify, add, remove, rename'
+ (template filter 'shortdate' is not compatible with keyword 'desc')
+ [255]
+
+Behind the scenes, this would throw AttributeError without intype=bytes
+
+ $ hg log -l 3 --template 'line: {date|escape}\n'
+ line: 0.00
+ line: 0.00
+ line: 1577872860.00
+
+ $ hg log -l 3 --template 'line: {extras|localdate}\n'
+ hg: parse error: localdate expects a date information
+ [255]
+
+Behind the scenes, this will throw ValueError
+
+ $ hg tip --template '{author|email|date}\n'
+ hg: parse error: date expects a date information
+ [255]
+
+ $ hg tip -T '{author|email|shortdate}\n'
+ hg: parse error: invalid date: 'test'
+ (template filter 'shortdate' is not compatible with keyword 'author')
+ [255]
+
+ $ hg tip -T '{get(extras, "branch")|shortdate}\n'
+ hg: parse error: invalid date: 'default'
+ (incompatible use of template filter 'shortdate')
+ [255]
+
+Error in nested template:
+
+ $ hg log -T '{"date'
+ hg: parse error at 2: unterminated string
+ ({"date
+ ^ here)
+ [255]
+
+ $ hg log -T '{"foo{date|?}"}'
+ hg: parse error at 11: syntax error
+ ({"foo{date|?}"}
+ ^ here)
+ [255]
+
+Thrown an error if a template function doesn't exist
+
+ $ hg tip --template '{foo()}\n'
+ hg: parse error: unknown function 'foo'
+ [255]
+
+ $ cd ..
+
+Set up latesttag repository:
+
+ $ hg init latesttag
+ $ cd latesttag
+
+ $ echo a > file
+ $ hg ci -Am a -d '0 0'
+ adding file
+
+ $ echo b >> file
+ $ hg ci -m b -d '1 0'
+
+ $ echo c >> head1
+ $ hg ci -Am h1c -d '2 0'
+ adding head1
+
+ $ hg update -q 1
+ $ echo d >> head2
+ $ hg ci -Am h2d -d '3 0'
+ adding head2
+ created new head
+
+ $ echo e >> head2
+ $ hg ci -m h2e -d '4 0'
+
+ $ hg merge -q
+ $ hg ci -m merge -d '5 -3600'
+
+ $ hg tag -r 1 -m t1 -d '6 0' t1
+ $ hg tag -r 2 -m t2 -d '7 0' t2
+ $ hg tag -r 3 -m t3 -d '8 0' t3
+ $ hg tag -r 4 -m t4 -d '4 0' t4 # older than t2, but should not matter
+ $ hg tag -r 5 -m t5 -d '9 0' t5
+ $ hg tag -r 3 -m at3 -d '10 0' at3
+
+ $ cd ..
+
+Test new-style inline templating:
+
+ $ hg log -R latesttag -r tip --template 'modified files: {file_mods % " {file}\n"}\n'
+ modified files: .hgtags
+
+
+ $ hg log -R latesttag -r tip -T '{rev % "a"}\n'
+ hg: parse error: 11 is not iterable of mappings
+ (keyword 'rev' does not support map operation)
+ [255]
+ $ hg log -R latesttag -r tip -T '{get(extras, "unknown") % "a"}\n'
+ hg: parse error: None is not iterable of mappings
+ [255]
+ $ hg log -R latesttag -r tip -T '{extras % "{key}\n" % "{key}\n"}'
+ hg: parse error: list of strings is not mappable
+ [255]
+
+Test new-style inline templating of non-list/dict type:
+
+ $ hg log -R latesttag -r tip -T '{manifest}\n'
+ 11:2bc6e9006ce2
+ $ hg log -R latesttag -r tip -T 'string length: {manifest|count}\n'
+ string length: 15
+ $ hg log -R latesttag -r tip -T '{manifest % "{rev}:{node}"}\n'
+ 11:2bc6e9006ce29882383a22d39fd1f4e66dd3e2fc
+
+ $ hg log -R latesttag -r tip -T '{get(extras, "branch") % "{key}: {value}\n"}'
+ branch: default
+ $ hg log -R latesttag -r tip -T '{get(extras, "unknown") % "{key}\n"}'
+ hg: parse error: None is not iterable of mappings
+ [255]
+ $ hg log -R latesttag -r tip -T '{min(extras) % "{key}: {value}\n"}'
+ branch: default
+ $ hg log -R latesttag -l1 -T '{min(revset("0:9")) % "{rev}:{node|short}\n"}'
+ 0:ce3cec86e6c2
+ $ hg log -R latesttag -l1 -T '{max(revset("0:9")) % "{rev}:{node|short}\n"}'
+ 9:fbc7cd862e9c
+
+Test dot operator precedence:
+
+ $ hg debugtemplate -R latesttag -r0 -v '{manifest.node|short}\n'
+ (template
+ (|
+ (.
+ (symbol 'manifest')
+ (symbol 'node'))
+ (symbol 'short'))
+ (string '\n'))
+ * keywords: manifest, node, rev
+ * functions: formatnode, short
+ 89f4071fec70
+
+ (the following examples are invalid, but seem natural in parsing POV)
+
+ $ hg debugtemplate -R latesttag -r0 -v '{foo|bar.baz}\n' 2> /dev/null
+ (template
+ (|
+ (symbol 'foo')
+ (.
+ (symbol 'bar')
+ (symbol 'baz')))
+ (string '\n'))
+ [255]
+ $ hg debugtemplate -R latesttag -r0 -v '{foo.bar()}\n' 2> /dev/null
+ (template
+ (.
+ (symbol 'foo')
+ (func
+ (symbol 'bar')
+ None))
+ (string '\n'))
+ * keywords: foo
+ * functions: bar
+ [255]
+
+Test evaluation of dot operator:
+
+ $ hg log -R latesttag -l1 -T '{min(revset("0:9")).node}\n'
+ ce3cec86e6c26bd9bdfc590a6b92abc9680f1796
+ $ hg log -R latesttag -r0 -T '{extras.branch}\n'
+ default
+ $ hg log -R latesttag -r0 -T '{date.unixtime} {localdate(date, "+0200").tzoffset}\n'
+ 0 -7200
+
+ $ hg log -R latesttag -l1 -T '{author.invalid}\n'
+ hg: parse error: 'test' is not a dictionary
+ (keyword 'author' does not support member operation)
+ [255]
+ $ hg log -R latesttag -l1 -T '{min("abc").invalid}\n'
+ hg: parse error: 'a' is not a dictionary
+ [255]
+
+Test integer literal:
+
+ $ hg debugtemplate -v '{(0)}\n'
+ (template
+ (group
+ (integer '0'))
+ (string '\n'))
+ * keywords:
+ * functions:
+ 0
+ $ hg debugtemplate -v '{(123)}\n'
+ (template
+ (group
+ (integer '123'))
+ (string '\n'))
+ * keywords:
+ * functions:
+ 123
+ $ hg debugtemplate -v '{(-4)}\n'
+ (template
+ (group
+ (negate
+ (integer '4')))
+ (string '\n'))
+ * keywords:
+ * functions:
+ -4
+ $ hg debugtemplate '{(-)}\n'
+ hg: parse error at 3: not a prefix: )
+ ({(-)}\n
+ ^ here)
+ [255]
+ $ hg debugtemplate '{(-a)}\n'
+ hg: parse error: negation needs an integer argument
+ [255]
+
+top-level integer literal is interpreted as symbol (i.e. variable name):
+
+ $ hg debugtemplate -D 1=one -v '{1}\n'
+ (template
+ (integer '1')
+ (string '\n'))
+ * keywords:
+ * functions:
+ one
+ $ hg debugtemplate -D 1=one -v '{if("t", "{1}")}\n'
+ (template
+ (func
+ (symbol 'if')
+ (list
+ (string 't')
+ (template
+ (integer '1'))))
+ (string '\n'))
+ * keywords:
+ * functions: if
+ one
+ $ hg debugtemplate -D 1=one -v '{1|stringify}\n'
+ (template
+ (|
+ (integer '1')
+ (symbol 'stringify'))
+ (string '\n'))
+ * keywords:
+ * functions: stringify
+ one
+
+unless explicit symbol is expected:
+
+ $ hg log -Ra -r0 -T '{desc|1}\n'
+ hg: parse error: expected a symbol, got 'integer'
+ [255]
+ $ hg log -Ra -r0 -T '{1()}\n'
+ hg: parse error: expected a symbol, got 'integer'
+ [255]
+
+Test string literal:
+
+ $ hg debugtemplate -Ra -r0 -v '{"string with no template fragment"}\n'
+ (template
+ (string 'string with no template fragment')
+ (string '\n'))
+ * keywords:
+ * functions:
+ string with no template fragment
+ $ hg debugtemplate -Ra -r0 -v '{"template: {rev}"}\n'
+ (template
+ (template
+ (string 'template: ')
+ (symbol 'rev'))
+ (string '\n'))
+ * keywords: rev
+ * functions:
+ template: 0
+ $ hg debugtemplate -Ra -r0 -v '{r"rawstring: {rev}"}\n'
+ (template
+ (string 'rawstring: {rev}')
+ (string '\n'))
+ * keywords:
+ * functions:
+ rawstring: {rev}
+ $ hg debugtemplate -Ra -r0 -v '{files % r"rawstring: {file}"}\n'
+ (template
+ (%
+ (symbol 'files')
+ (string 'rawstring: {file}'))
+ (string '\n'))
+ * keywords: files
+ * functions:
+ rawstring: {file}
+
+Test string escaping:
+
+ $ hg log -R latesttag -r 0 --template '>\n<>\\n<{if(rev, "[>\n<>\\n<]")}>\n<>\\n<\n'
+ >
+ <>\n<[>
+ <>\n<]>
+ <>\n<
+
+ $ hg log -R latesttag -r 0 \
+ > --config ui.logtemplate='>\n<>\\n<{if(rev, "[>\n<>\\n<]")}>\n<>\\n<\n'
+ >
+ <>\n<[>
+ <>\n<]>
+ <>\n<
+
+ $ hg log -R latesttag -r 0 -T esc \
+ > --config templates.esc='>\n<>\\n<{if(rev, "[>\n<>\\n<]")}>\n<>\\n<\n'
+ >
+ <>\n<[>
+ <>\n<]>
+ <>\n<
+
+ $ cat <<'EOF' > esctmpl
+ > changeset = '>\n<>\\n<{if(rev, "[>\n<>\\n<]")}>\n<>\\n<\n'
+ > EOF
+ $ hg log -R latesttag -r 0 --style ./esctmpl
+ >
+ <>\n<[>
+ <>\n<]>
+ <>\n<
+
+Test string escaping of quotes:
+
+ $ hg log -Ra -r0 -T '{"\""}\n'
+ "
+ $ hg log -Ra -r0 -T '{"\\\""}\n'
+ \"
+ $ hg log -Ra -r0 -T '{r"\""}\n'
+ \"
+ $ hg log -Ra -r0 -T '{r"\\\""}\n'
+ \\\"
+
+
+ $ hg log -Ra -r0 -T '{"\""}\n'
+ "
+ $ hg log -Ra -r0 -T '{"\\\""}\n'
+ \"
+ $ hg log -Ra -r0 -T '{r"\""}\n'
+ \"
+ $ hg log -Ra -r0 -T '{r"\\\""}\n'
+ \\\"
+
+Test exception in quoted template. single backslash before quotation mark is
+stripped before parsing:
+
+ $ cat <<'EOF' > escquotetmpl
+ > changeset = "\" \\" \\\" \\\\" {files % \"{file}\"}\n"
+ > EOF
+ $ cd latesttag
+ $ hg log -r 2 --style ../escquotetmpl
+ " \" \" \\" head1
+
+ $ hg log -r 2 -T esc --config templates.esc='"{\"valid\"}\n"'
+ valid
+ $ hg log -r 2 -T esc --config templates.esc="'"'{\'"'"'valid\'"'"'}\n'"'"
+ valid
+
+Test compatibility with 2.9.2-3.4 of escaped quoted strings in nested
+_evalifliteral() templates (issue4733):
+
+ $ hg log -r 2 -T '{if(rev, "\"{rev}")}\n'
+ "2
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \"\\\"{rev}\")}")}\n'
+ "2
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \"{if(rev, \\\"\\\\\\\"{rev}\\\")}\")}")}\n'
+ "2
+
+ $ hg log -r 2 -T '{if(rev, "\\\"")}\n'
+ \"
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \"\\\\\\\"\")}")}\n'
+ \"
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \"{if(rev, \\\"\\\\\\\\\\\\\\\"\\\")}\")}")}\n'
+ \"
+
+ $ hg log -r 2 -T '{if(rev, r"\\\"")}\n'
+ \\\"
+ $ hg log -r 2 -T '{if(rev, "{if(rev, r\"\\\\\\\"\")}")}\n'
+ \\\"
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \"{if(rev, r\\\"\\\\\\\\\\\\\\\"\\\")}\")}")}\n'
+ \\\"
+
+escaped single quotes and errors:
+
+ $ hg log -r 2 -T "{if(rev, '{if(rev, \'foo\')}')}"'\n'
+ foo
+ $ hg log -r 2 -T "{if(rev, '{if(rev, r\'foo\')}')}"'\n'
+ foo
+ $ hg log -r 2 -T '{if(rev, "{if(rev, \")}")}\n'
+ hg: parse error at 21: unterminated string
+ ({if(rev, "{if(rev, \")}")}\n
+ ^ here)
+ [255]
+ $ hg log -r 2 -T '{if(rev, \"\\"")}\n'
+ hg: parse error: trailing \ in string
+ [255]
+ $ hg log -r 2 -T '{if(rev, r\"\\"")}\n'
+ hg: parse error: trailing \ in string
+ [255]
+
+ $ cd ..
+
+Test leading backslashes:
+
+ $ cd latesttag
+ $ hg log -r 2 -T '\{rev} {files % "\{file}"}\n'
+ {rev} {file}
+ $ hg log -r 2 -T '\\{rev} {files % "\\{file}"}\n'
+ \2 \head1
+ $ hg log -r 2 -T '\\\{rev} {files % "\\\{file}"}\n'
+ \{rev} \{file}
+ $ cd ..
+
+Test leading backslashes in "if" expression (issue4714):
+
+ $ cd latesttag
+ $ hg log -r 2 -T '{if("1", "\{rev}")} {if("1", r"\{rev}")}\n'
+ {rev} \{rev}
+ $ hg log -r 2 -T '{if("1", "\\{rev}")} {if("1", r"\\{rev}")}\n'
+ \2 \\{rev}
+ $ hg log -r 2 -T '{if("1", "\\\{rev}")} {if("1", r"\\\{rev}")}\n'
+ \{rev} \\\{rev}
+ $ cd ..
+
+"string-escape"-ed "\x5c\x786e" becomes r"\x6e" (once) or r"n" (twice)
+
+ $ hg log -R a -r 0 --template '{if("1", "\x5c\x786e", "NG")}\n'
+ \x6e
+ $ hg log -R a -r 0 --template '{if("1", r"\x5c\x786e", "NG")}\n'
+ \x5c\x786e
+ $ hg log -R a -r 0 --template '{if("", "NG", "\x5c\x786e")}\n'
+ \x6e
+ $ hg log -R a -r 0 --template '{if("", "NG", r"\x5c\x786e")}\n'
+ \x5c\x786e
+
+ $ hg log -R a -r 2 --template '{ifeq("no perso\x6e", desc, "\x5c\x786e", "NG")}\n'
+ \x6e
+ $ hg log -R a -r 2 --template '{ifeq(r"no perso\x6e", desc, "NG", r"\x5c\x786e")}\n'
+ \x5c\x786e
+ $ hg log -R a -r 2 --template '{ifeq(desc, "no perso\x6e", "\x5c\x786e", "NG")}\n'
+ \x6e
+ $ hg log -R a -r 2 --template '{ifeq(desc, r"no perso\x6e", "NG", r"\x5c\x786e")}\n'
+ \x5c\x786e
+
+ $ hg log -R a -r 8 --template '{join(files, "\n")}\n'
+ fourth
+ second
+ third
+ $ hg log -R a -r 8 --template '{join(files, r"\n")}\n'
+ fourth\nsecond\nthird
+
+ $ hg log -R a -r 2 --template '{rstdoc("1st\n\n2nd", "htm\x6c")}'
+ <p>
+ 1st
+ </p>
+ <p>
+ 2nd
+ </p>
+ $ hg log -R a -r 2 --template '{rstdoc(r"1st\n\n2nd", "html")}'
+ <p>
+ 1st\n\n2nd
+ </p>
+ $ hg log -R a -r 2 --template '{rstdoc("1st\n\n2nd", r"htm\x6c")}'
+ 1st
+
+ 2nd
+
+ $ hg log -R a -r 2 --template '{strip(desc, "\x6e")}\n'
+ o perso
+ $ hg log -R a -r 2 --template '{strip(desc, r"\x6e")}\n'
+ no person
+ $ hg log -R a -r 2 --template '{strip("no perso\x6e", "\x6e")}\n'
+ o perso
+ $ hg log -R a -r 2 --template '{strip(r"no perso\x6e", r"\x6e")}\n'
+ no perso
+
+ $ hg log -R a -r 2 --template '{sub("\\x6e", "\x2d", desc)}\n'
+ -o perso-
+ $ hg log -R a -r 2 --template '{sub(r"\\x6e", "-", desc)}\n'
+ no person
+ $ hg log -R a -r 2 --template '{sub("n", r"\x2d", desc)}\n'
+ \x2do perso\x2d
+ $ hg log -R a -r 2 --template '{sub("n", "\x2d", "no perso\x6e")}\n'
+ -o perso-
+ $ hg log -R a -r 2 --template '{sub("n", r"\x2d", r"no perso\x6e")}\n'
+ \x2do perso\x6e
+
+ $ hg log -R a -r 8 --template '{files % "{file}\n"}'
+ fourth
+ second
+ third
+
+Test string escaping in nested expression:
+
+ $ hg log -R a -r 8 --template '{ifeq(r"\x6e", if("1", "\x5c\x786e"), join(files, "\x5c\x786e"))}\n'
+ fourth\x6esecond\x6ethird
+ $ hg log -R a -r 8 --template '{ifeq(if("1", r"\x6e"), "\x5c\x786e", join(files, "\x5c\x786e"))}\n'
+ fourth\x6esecond\x6ethird
+
+ $ hg log -R a -r 8 --template '{join(files, ifeq(branch, "default", "\x5c\x786e"))}\n'
+ fourth\x6esecond\x6ethird
+ $ hg log -R a -r 8 --template '{join(files, ifeq(branch, "default", r"\x5c\x786e"))}\n'
+ fourth\x5c\x786esecond\x5c\x786ethird
+
+ $ hg log -R a -r 3:4 --template '{rev}:{sub(if("1", "\x6e"), ifeq(branch, "foo", r"\x5c\x786e", "\x5c\x786e"), desc)}\n'
+ 3:\x6eo user, \x6eo domai\x6e
+ 4:\x5c\x786eew bra\x5c\x786ech
+
+Test quotes in nested expression are evaluated just like a $(command)
+substitution in POSIX shells:
+
+ $ hg log -R a -r 8 -T '{"{"{rev}:{node|short}"}"}\n'
+ 8:95c24699272e
+ $ hg log -R a -r 8 -T '{"{"\{{rev}} \"{node|short}\""}"}\n'
+ {8} "95c24699272e"
+
+Test recursive evaluation:
+
+ $ hg init r
+ $ cd r
+ $ echo a > a
+ $ hg ci -Am '{rev}'
+ adding a
+ $ hg log -r 0 --template '{if(rev, desc)}\n'
+ {rev}
+ $ hg log -r 0 --template '{if(rev, "{author} {rev}")}\n'
+ test 0
+
+ $ hg branch -q 'text.{rev}'
+ $ echo aa >> aa
+ $ hg ci -u '{node|short}' -m 'desc to be wrapped desc to be wrapped'
+
+ $ hg log -l1 --template '{fill(desc, "20", author, branch)}'
+ {node|short}desc to
+ text.{rev}be wrapped
+ text.{rev}desc to be
+ text.{rev}wrapped (no-eol)
+ $ hg log -l1 --template '{fill(desc, "20", "{node|short}:", "text.{rev}:")}'
+ bcc7ff960b8e:desc to
+ text.1:be wrapped
+ text.1:desc to be
+ text.1:wrapped (no-eol)
+ $ hg log -l1 -T '{fill(desc, date, "", "")}\n'
+ hg: parse error: fill expects an integer width
+ [255]
+
+ $ hg log -l 1 --template '{sub(r"[0-9]", "-", author)}'
+ {node|short} (no-eol)
+ $ hg log -l 1 --template '{sub(r"[0-9]", "-", "{node|short}")}'
+ bcc-ff---b-e (no-eol)
+
+ $ cat >> .hg/hgrc <<EOF
+ > [extensions]
+ > color=
+ > [color]
+ > mode=ansi
+ > text.{rev} = red
+ > text.1 = green
+ > EOF
+ $ hg log --color=always -l 1 --template '{label(branch, "text\n")}'
+ \x1b[0;31mtext\x1b[0m (esc)
+ $ hg log --color=always -l 1 --template '{label("text.{rev}", "text\n")}'
+ \x1b[0;32mtext\x1b[0m (esc)
+
+ $ cd ..
+
+Test bad template with better error message
+
+ $ hg log -Gv -R a --template '{desc|user()}'
+ hg: parse error: expected a symbol, got 'func'
+ [255]
+
+Test broken string escapes:
+
+ $ hg log -T "bogus\\" -R a
+ hg: parse error: trailing \ in string
+ [255]
+ $ hg log -T "\\xy" -R a
+ hg: parse error: invalid \x escape* (glob)
+ [255]
+
+Templater supports aliases of symbol and func() styles:
+
+ $ hg clone -q a aliases
+ $ cd aliases
+ $ cat <<EOF >> .hg/hgrc
+ > [templatealias]
+ > r = rev
+ > rn = "{r}:{node|short}"
+ > status(c, files) = files % "{c} {file}\n"
+ > utcdate(d) = localdate(d, "UTC")
+ > EOF
+
+ $ hg debugtemplate -vr0 '{rn} {utcdate(date)|isodate}\n'
+ (template
+ (symbol 'rn')
+ (string ' ')
+ (|
+ (func
+ (symbol 'utcdate')
+ (symbol 'date'))
+ (symbol 'isodate'))
+ (string '\n'))
+ * expanded:
+ (template
+ (template
+ (symbol 'rev')
+ (string ':')
+ (|
+ (symbol 'node')
+ (symbol 'short')))
+ (string ' ')
+ (|
+ (func
+ (symbol 'localdate')
+ (list
+ (symbol 'date')
+ (string 'UTC')))
+ (symbol 'isodate'))
+ (string '\n'))
+ * keywords: date, node, rev
+ * functions: isodate, localdate, short
+ 0:1e4e1b8f71e0 1970-01-12 13:46 +0000
+
+ $ hg debugtemplate -vr0 '{status("A", file_adds)}'
+ (template
+ (func
+ (symbol 'status')
+ (list
+ (string 'A')
+ (symbol 'file_adds'))))
+ * expanded:
+ (template
+ (%
+ (symbol 'file_adds')
+ (template
+ (string 'A')
+ (string ' ')
+ (symbol 'file')
+ (string '\n'))))
+ * keywords: file, file_adds
+ * functions:
+ A a
+
+A unary function alias can be called as a filter:
+
+ $ hg debugtemplate -vr0 '{date|utcdate|isodate}\n'
+ (template
+ (|
+ (|
+ (symbol 'date')
+ (symbol 'utcdate'))
+ (symbol 'isodate'))
+ (string '\n'))
+ * expanded:
+ (template
+ (|
+ (func
+ (symbol 'localdate')
+ (list
+ (symbol 'date')
+ (string 'UTC')))
+ (symbol 'isodate'))
+ (string '\n'))
+ * keywords: date
+ * functions: isodate, localdate
+ 1970-01-12 13:46 +0000
+
+Aliases should be applied only to command arguments and templates in hgrc.
+Otherwise, our stock styles and web templates could be corrupted:
+
+ $ hg log -r0 -T '{rn} {utcdate(date)|isodate}\n'
+ 0:1e4e1b8f71e0 1970-01-12 13:46 +0000
+
+ $ hg log -r0 --config ui.logtemplate='"{rn} {utcdate(date)|isodate}\n"'
+ 0:1e4e1b8f71e0 1970-01-12 13:46 +0000
+
+ $ cat <<EOF > tmpl
+ > changeset = 'nothing expanded:{rn}\n'
+ > EOF
+ $ hg log -r0 --style ./tmpl
+ nothing expanded:
+
+Aliases in formatter:
+
+ $ hg branches -T '{pad(branch, 7)} {rn}\n'
+ default 6:d41e714fe50d
+ foo 4:bbe44766e73d
+
+Aliases should honor HGPLAIN:
+
+ $ HGPLAIN= hg log -r0 -T 'nothing expanded:{rn}\n'
+ nothing expanded:
+ $ HGPLAINEXCEPT=templatealias hg log -r0 -T '{rn}\n'
+ 0:1e4e1b8f71e0
+
+Unparsable alias:
+
+ $ hg debugtemplate --config templatealias.bad='x(' -v '{bad}'
+ (template
+ (symbol 'bad'))
+ abort: bad definition of template alias "bad": at 2: not a prefix: end
+ [255]
+ $ hg log --config templatealias.bad='x(' -T '{bad}'
+ abort: bad definition of template alias "bad": at 2: not a prefix: end
+ [255]
+
+ $ cd ..
+
+Test that template function in extension is registered as expected
+
+ $ cd a
+
+ $ cat <<EOF > $TESTTMP/customfunc.py
+ > from mercurial import registrar
+ >
+ > templatefunc = registrar.templatefunc()
+ >
+ > @templatefunc(b'custom()')
+ > def custom(context, mapping, args):
+ > return b'custom'
+ > EOF
+ $ cat <<EOF > .hg/hgrc
+ > [extensions]
+ > customfunc = $TESTTMP/customfunc.py
+ > EOF
+
+ $ hg log -r . -T "{custom()}\n" --config customfunc.enabled=true
+ custom
+
+ $ cd ..