Merge branch 'ab/mailmap'

Clean-up docs, codepaths and tests around mailmap.

* ab/mailmap: (22 commits)
  shortlog: remove unused(?) "repo-abbrev" feature
  mailmap doc + tests: document and test for case-insensitivity
  mailmap tests: add tests for empty "<>" syntax
  mailmap tests: add tests for whitespace syntax
  mailmap tests: add a test for comment syntax
  mailmap doc + tests: add better examples & test them
  tests: refactor a few tests to use "test_commit --append"
  test-lib functions: add an --append option to test_commit
  test-lib functions: add --author support to test_commit
  test-lib functions: document arguments to test_commit
  test-lib functions: expand "test_commit" comment template
  mailmap: test for silent exiting on missing file/blob
  mailmap tests: get rid of overly complex blame fuzzing
  mailmap tests: add a test for "not a blob" error
  mailmap tests: remove redundant entry in test
  mailmap tests: improve --stdin tests
  mailmap tests: modernize syntax & test idioms
  mailmap tests: use our preferred whitespace syntax
  mailmap doc: start by mentioning the comment syntax
  check-mailmap doc: note config options
  ...
This commit is contained in:
Junio C Hamano
2021-01-25 14:19:19 -08:00
22 changed files with 789 additions and 447 deletions

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@ -21,6 +21,7 @@ MAN1_TXT += gitweb.txt
MAN5_TXT += gitattributes.txt
MAN5_TXT += githooks.txt
MAN5_TXT += gitignore.txt
MAN5_TXT += gitmailmap.txt
MAN5_TXT += gitmodules.txt
MAN5_TXT += gitrepository-layout.txt
MAN5_TXT += gitweb.conf.txt

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@ -226,7 +226,7 @@ commit commentary), a blame viewer will not care.
MAPPING AUTHORS
---------------
include::mailmap.txt[]
See linkgit:gitmailmap[5].
SEE ALSO

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@ -36,10 +36,17 @@ name is provided or known to the 'mailmap', ``Name $$<user@host>$$'' is
printed; otherwise only ``$$<user@host>$$'' is printed.
CONFIGURATION
-------------
See `mailmap.file` and `mailmap.blob` in linkgit:git-config[1] for how
to specify a custom `.mailmap` target file or object.
MAPPING AUTHORS
---------------
include::mailmap.txt[]
See linkgit:gitmailmap[5].
GIT

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@ -111,11 +111,7 @@ include::rev-list-options.txt[]
MAPPING AUTHORS
---------------
The `.mailmap` feature is used to coalesce together commits by the same
person in the shortlog, where their name and/or email address was
spelled differently.
include::mailmap.txt[]
See linkgit:gitmailmap[5].
GIT
---

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@ -0,0 +1,123 @@
gitmailmap(5)
=============
NAME
----
gitmailmap - Map author/committer names and/or E-Mail addresses
SYNOPSIS
--------
$GIT_WORK_DIR/.mailmap
DESCRIPTION
-----------
If the file `.mailmap` exists at the toplevel of the repository, or at
the location pointed to by the `mailmap.file` or `mailmap.blob`
configuration options (see linkgit:git-config[1]), it
is used to map author and committer names and email addresses to
canonical real names and email addresses.
SYNTAX
------
The '#' character begins a comment to the end of line, blank lines
are ignored.
In the simple form, each line in the file consists of the canonical
real name of an author, whitespace, and an email address used in the
commit (enclosed by '<' and '>') to map to the name. For example:
--
Proper Name <commit@email.xx>
--
The more complex forms are:
--
<proper@email.xx> <commit@email.xx>
--
which allows mailmap to replace only the email part of a commit, and:
--
Proper Name <proper@email.xx> <commit@email.xx>
--
which allows mailmap to replace both the name and the email of a
commit matching the specified commit email address, and:
--
Proper Name <proper@email.xx> Commit Name <commit@email.xx>
--
which allows mailmap to replace both the name and the email of a
commit matching both the specified commit name and email address.
Both E-Mails and names are matched case-insensitively. For example
this would also match the 'Commit Name <commit@email.xx>' above:
--
Proper Name <proper@email.xx> CoMmIt NaMe <CoMmIt@EmAiL.xX>
--
EXAMPLES
--------
Your history contains commits by two authors, Jane
and Joe, whose names appear in the repository under several forms:
------------
Joe Developer <joe@example.com>
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com>
Jane Doe <jane@laptop.(none)>
Jane D. <jane@desktop.(none)>
------------
Now suppose that Joe wants his middle name initial used, and Jane
prefers her family name fully spelled out. A `.mailmap` file to
correct the names would look like:
------------
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com>
Jane Doe <jane@desktop.(none)>
------------
Note that there's no need to map the name for 'jane@laptop.(none)' to
only correct the names. However, leaving the obviously broken
`<jane@laptop.(none)>' and '<jane@desktop.(none)>' E-Mails as-is is
usually not what you want. A `.mailmap` file which also corrects those
is:
------------
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com> <jane@laptop.(none)>
Jane Doe <jane@example.com> <jane@desktop.(none)>
------------
Finally, let's say that Joe and Jane shared an E-Mail address, but not
a name, e.g. by having these two commits in the history generated by a
bug reporting system. I.e. names appearing in history as:
------------
Joe <bugs@example.com>
Jane <bugs@example.com>
------------
A full `.mailmap` file which also handles those cases (an addition of
two lines to the above example) would be:
------------
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com> <jane@laptop.(none)>
Jane Doe <jane@example.com> <jane@desktop.(none)>
Joe R. Developer <joe@example.com> Joe <bugs@example.com>
Jane Doe <jane@example.com> Jane <bugs@example.com>
------------
SEE ALSO
--------
linkgit:git-check-mailmap[1]
GIT
---
Part of the linkgit:git[1] suite

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@ -1,75 +0,0 @@
If the file `.mailmap` exists at the toplevel of the repository, or at
the location pointed to by the mailmap.file or mailmap.blob
configuration options, it
is used to map author and committer names and email addresses to
canonical real names and email addresses.
In the simple form, each line in the file consists of the canonical
real name of an author, whitespace, and an email address used in the
commit (enclosed by '<' and '>') to map to the name. For example:
--
Proper Name <commit@email.xx>
--
The more complex forms are:
--
<proper@email.xx> <commit@email.xx>
--
which allows mailmap to replace only the email part of a commit, and:
--
Proper Name <proper@email.xx> <commit@email.xx>
--
which allows mailmap to replace both the name and the email of a
commit matching the specified commit email address, and:
--
Proper Name <proper@email.xx> Commit Name <commit@email.xx>
--
which allows mailmap to replace both the name and the email of a
commit matching both the specified commit name and email address.
Example 1: Your history contains commits by two authors, Jane
and Joe, whose names appear in the repository under several forms:
------------
Joe Developer <joe@example.com>
Joe R. Developer <joe@example.com>
Jane Doe <jane@example.com>
Jane Doe <jane@laptop.(none)>
Jane D. <jane@desktop.(none)>
------------
Now suppose that Joe wants his middle name initial used, and Jane
prefers her family name fully spelled out. A proper `.mailmap` file
would look like:
------------
Jane Doe <jane@desktop.(none)>
Joe R. Developer <joe@example.com>
------------
Note how there is no need for an entry for `<jane@laptop.(none)>`, because the
real name of that author is already correct.
Example 2: Your repository contains commits from the following
authors:
------------
nick1 <bugs@company.xx>
nick2 <bugs@company.xx>
nick2 <nick2@company.xx>
santa <me@company.xx>
claus <me@company.xx>
CTO <cto@coompany.xx>
------------
Then you might want a `.mailmap` file that looks like:
------------
<cto@company.xx> <cto@coompany.xx>
Some Dude <some@dude.xx> nick1 <bugs@company.xx>
Other Author <other@author.xx> nick2 <bugs@company.xx>
Other Author <other@author.xx> <nick2@company.xx>
Santa Claus <santa.claus@northpole.xx> <me@company.xx>
------------
Use hash '#' for comments that are either on their own line, or after
the email address.