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Merge branch 'jk/diff-submodule-diff-inline'

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The "git diff --submodule={short,log}" mechanism has been enhanced
to allow "--submodule=diff" to show the patch between the submodule
commits bound to the superproject.

* jk/diff-submodule-diff-inline:
  diff: teach diff to display submodule difference with an inline diff
  submodule: refactor show_submodule_summary with helper function
  submodule: convert show_submodule_summary to use struct object_id *
  allow do_submodule_path to work even if submodule isn't checked out
  diff: prepare for additional submodule formats
  graph: add support for --line-prefix on all graph-aware output
  diff.c: remove output_prefix_length field
  cache: add empty_tree_oid object and helper function
This commit is contained in:
Junio C Hamano
2016-09-12 15:34:31 -07:00
parent cda1bbd474 fd47ae6a5b
commit 305d7f1339
20 changed files with 1666 additions and 164 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
Documentation/diff-config.txt
View File

@ -122,10 +122,11 @@ diff.suppressBlankEmpty::
diff.submodule::
Specify the format in which differences in submodules are
shown. The "log" format lists the commits in the range like
linkgit:git-submodule[1] `summary` does. The "short" format
format just shows the names of the commits at the beginning
and end of the range. Defaults to short.
shown. The "short" format just shows the names of the commits
at the beginning and end of the range. The "log" format lists
the commits in the range like linkgit:git-submodule[1] `summary`
does. The "diff" format shows an inline diff of the changed
contents of the submodule. Defaults to "short".
diff.wordRegex::
A POSIX Extended Regular Expression used to determine what is a "word"

20
Documentation/diff-options.txt
View File

@ -210,13 +210,16 @@ any of those replacements occurred.
of the `--diff-filter` option on what the status letters mean.
--submodule[=<format>]::
Specify how differences in submodules are shown. When `--submodule`
or `--submodule=log` is given, the 'log' format is used. This format lists
the commits in the range like linkgit:git-submodule[1] `summary` does.
Omitting the `--submodule` option or specifying `--submodule=short`,
uses the 'short' format. This format just shows the names of the commits
at the beginning and end of the range. Can be tweaked via the
`diff.submodule` configuration variable.
Specify how differences in submodules are shown. When specifying
`--submodule=short` the 'short' format is used. This format just
shows the names of the commits at the beginning and end of the range.
When `--submodule` or `--submodule=log` is specified, the 'log'
format is used. This format lists the commits in the range like
linkgit:git-submodule[1] `summary` does. When `--submodule=diff`
is specified, the 'diff' format is used. This format shows an
inline diff of the changes in the submodule contents between the
commit range. Defaults to `diff.submodule` or the 'short' format
if the config option is unset.
--color[=<when>]::
Show colored diff.
@ -569,5 +572,8 @@ endif::git-format-patch[]
--no-prefix::
Do not show any source or destination prefix.
--line-prefix=<prefix>::
Prepend an additional prefix to every line of output.
For more detailed explanation on these common options, see also
linkgit:gitdiffcore[7].