mirror of
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737849c9dd
Summary: allow-large-files black_any_style Reviewed By: zertosh Differential Revision: D24325133 fbshipit-source-id: b4afe80d1e8b2bc993f4b8e3822c02964df47462
103 lines
3.2 KiB
Python
103 lines
3.2 KiB
Python
# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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"""
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myparent.py - Commit template keywords based on your previous commit
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If your diff stacks are comprised of related diffs, many commits will share the
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same reviewers, tasks and even the title prefix. With this extension, mercurial
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can prefill the relevant fields based on your previous commit in the stack.
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The extension adds five new keywords:
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- *myparentdiff* the diff number of the parent commit
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- *myparentreviewers* the reviewers of the parent commit
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- *myparentsubscribers* the subscribers of the parent commit
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- *myparenttasks* the tasks of the parent commit
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- *myparenttitleprefix* the prefix as defined by [] of the parent commit.
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E.g. '[e2e automation] foo bar' -> '[e2e automation]'
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After enabling the extension, change the default commit template:
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::
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[committemplate]
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emptymsg={myparenttitleprefix}
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Summary: {myparentdiff}
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Test Plan:
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Reviewers: {myparentreviewers}
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Subscribers: {myparentsubscribers}
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Tasks: {myparenttasks}
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Blame Revision:
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In some (all?) repositories at Facebook the commit template is overridden at
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the repository level. If that is the case, add the line above to the `.hg/hgrc`
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file inside the repository (e.g. ~/www/.hg/hgrc).
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"""
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import re
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from edenscm.mercurial import registrar
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templatekeyword = registrar.templatekeyword()
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@templatekeyword("myparentdiff")
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def showmyparentdiff(repo, ctx, templ, **args):
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"""Show the differential revision of the commit's parent, if it has the
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same author as this commit.
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"""
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return extract_from_parent(ctx, "Differential Revision:.*/(D\d+)")
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@templatekeyword("myparentreviewers")
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def showmyparentreviewers(repo, ctx, templ, **args):
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"""Show the reviewers of the commit's parent, if it has the
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same author as this commit.
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"""
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return extract_from_parent(ctx, "\s*Reviewers: (.*)")
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@templatekeyword("myparentsubscribers")
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def showmyparentsubscribers(repo, ctx, templ, **args):
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"""Show the subscribers of the commit's parent, if it has the
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same author as this commit.
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"""
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return extract_from_parent(ctx, "\s*Subscribers: (.*)")
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@templatekeyword("myparenttasks")
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def showmyparenttasks(repo, ctx, templ, **args):
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"""Show the tasks from the commit's parent, if it has the
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same author as this commit.
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"""
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return extract_from_parent(ctx, "\s*(?:Tasks|Task ID): (.*)")
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@templatekeyword("myparenttitleprefix")
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def showmyparenttitleprefix(repo, ctx, templ, **args):
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"""Show the title prefix of the commit's parent, if it has the
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same author as this commit.
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"""
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if not p1_is_same_user(ctx):
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return ""
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descr = ctx.p1().description()
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title = descr.splitlines()[0]
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prefix_end = title.find("]")
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return title[0 : prefix_end + 1] if prefix_end > 0 else ""
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def extract_from_parent(ctx, pattern):
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if not p1_is_same_user(ctx):
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return ""
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descr = ctx.p1().description()
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match = re.search(pattern, descr)
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return match.group(1) if match else ""
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def p1_is_same_user(ctx):
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return ctx.user() == ctx.p1().user()
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