Mercurial > hg-stable
changeset 30804:4227f80f72b2
revset: abuse x:y syntax to specify line range of followlines()
This slightly complicates the parsing (see the previous patch), but the
overall result seems not bad.
I keep x:, :y and : for future extension.
| author | Yuya Nishihara <yuya@tcha.org> |
|---|---|
| date | Mon, 09 Jan 2017 17:58:19 +0900 |
| parents | d389f19f14aa |
| children | 0ae287eb6a4f |
| files | mercurial/revset.py tests/test-annotate.t |
| diffstat | 2 files changed, 45 insertions(+), 24 deletions(-) [+] |
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--- a/mercurial/revset.py Mon Jan 09 16:55:56 2017 +0900 +++ b/mercurial/revset.py Mon Jan 09 17:58:19 2017 +0900 @@ -329,6 +329,20 @@ return list(x[1:]) return [x] +def getrange(x, err): + if not x: + raise error.ParseError(err) + op = x[0] + if op == 'range': + return x[1], x[2] + elif op == 'rangepre': + return None, x[1] + elif op == 'rangepost': + return x[1], None + elif op == 'rangeall': + return None, None + raise error.ParseError(err) + def getargs(x, min, max, err): l = getlist(x) if len(l) < min or (max >= 0 and len(l) > max): @@ -1083,7 +1097,7 @@ # of every revisions or files revisions. return _follow(repo, subset, x, '_followfirst', followfirst=True) -@predicate('followlines(file, fromline, toline[, startrev=.])', safe=True) +@predicate('followlines(file, fromline:toline[, startrev=.])', safe=True) def followlines(repo, subset, x): """Changesets modifying `file` in line range ('fromline', 'toline'). @@ -1094,8 +1108,8 @@ from . import context # avoid circular import issues args = getargsdict(x, 'followlines', 'file *lines startrev') - if len(args['lines']) != 2: - raise error.ParseError(_("followlines takes at least three arguments")) + if len(args['lines']) != 1: + raise error.ParseError(_("followlines requires a line range")) rev = '.' if 'startrev' in args: @@ -1115,8 +1129,9 @@ raise error.ParseError(_("followlines expects exactly one file")) fname = files[0] + lr = getrange(args['lines'][0], _("followlines expects a line range")) fromline, toline = [getinteger(a, _("line range bounds must be integers")) - for a in args['lines']] + for a in lr] if toline - fromline < 0: raise error.ParseError(_("line range must be positive")) if fromline < 1:
--- a/tests/test-annotate.t Mon Jan 09 16:55:56 2017 +0900 +++ b/tests/test-annotate.t Mon Jan 09 17:58:19 2017 +0900 @@ -486,43 +486,43 @@ Test followlines() revset - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3, 5)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5)' 16: baz:0 19: baz:3 20: baz:4 - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3, 5, startrev=20)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=20)' 16: baz:0 19: baz:3 20: baz:4 - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3, 5, startrev=.^)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=.^)' 16: baz:0 19: baz:3 $ printf "0\n0\n" | cat - baz > baz1 $ mv baz1 baz $ hg ci -m 'added two lines with 0' - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 $ echo 6 >> baz $ hg ci -m 'added line 8' - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 $ sed 's/3/3+/' baz > baz.new $ mv baz.new baz $ hg ci -m 'baz:3->3+' - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 23: baz:3->3+ - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 1, 2)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 1:2)' 21: added two lines with 0 file patterns are okay - $ hg log -T '{rev}: {desc}\n' -r 'followlines("path:baz", 1, 2)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines("path:baz", 1:2)' 21: added two lines with 0 renames are followed @@ -530,7 +530,7 @@ $ sed 's/4/4+/' qux > qux.new $ mv qux.new qux $ hg ci -m 'qux:4->4+' - $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 @@ -545,7 +545,7 @@ $ sed 's/3+/3-/' baz > baz.new $ mv baz.new baz $ hg ci -m 'baz:3+->3-' - $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)' 16: baz:0 19: baz:3 20: baz:4 @@ -556,7 +556,7 @@ 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -m merge - $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 @@ -571,7 +571,7 @@ (branch merge, don't forget to commit) $ hg ci -m 'merge from other side' created new head - $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5, 7)' + $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)' 16: baz:0 19: baz:3 20: baz:4 @@ -586,27 +586,33 @@ hg: parse error: followlines takes at least 1 positional arguments [255] $ hg log -r 'followlines(baz)' - hg: parse error: followlines takes at least three arguments + hg: parse error: followlines requires a line range [255] $ hg log -r 'followlines(baz, 1)' - hg: parse error: followlines takes at least three arguments + hg: parse error: followlines expects a line range [255] - $ hg log -r 'followlines(baz, 1, 2, startrev=desc("b"))' + $ hg log -r 'followlines(baz, 1:2, startrev=desc("b"))' hg: parse error: followlines expects exactly one revision [255] - $ hg log -r 'followlines("glob:*", 1, 2)' + $ hg log -r 'followlines("glob:*", 1:2)' hg: parse error: followlines expects exactly one file [255] - $ hg log -r 'followlines(baz, x, 4)' + $ hg log -r 'followlines(baz, 1:)' + hg: parse error: line range bounds must be integers + [255] + $ hg log -r 'followlines(baz, :1)' hg: parse error: line range bounds must be integers [255] - $ hg log -r 'followlines(baz, 5, 4)' + $ hg log -r 'followlines(baz, x:4)' + hg: parse error: line range bounds must be integers + [255] + $ hg log -r 'followlines(baz, 5:4)' hg: parse error: line range must be positive [255] - $ hg log -r 'followlines(baz, 0, 4)' + $ hg log -r 'followlines(baz, 0:4)' hg: parse error: fromline must be strictly positive [255] - $ hg log -r 'followlines(baz, 2, 40)' + $ hg log -r 'followlines(baz, 2:40)' abort: line range exceeds file size [255]