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Put explicit parentheses around && in ||-expression.
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Like diff-tree, this patch makes -C option for diff-* brothers
to use only pre-image of modified files as rename/copy detection
by default. Give --find-copies-harder to use unmodified files
to find copies from as well.
This also fixes "diff-files -C" problem earlier noticed by
Linus. It was feeding the null sha1 even when the file in the
work tree was known to match what is in the index file. This
resulted in diff-files showing everything in the project.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Split the core of the program, diff_stage, from one big "main()"
function that does it all and leave only the parameter parsing,
setup and finalize part in the main().
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is a halfway between debugging aid and a helper to write an
ultra-smart merge scripts. The new option takes a string that
consists of a list of "status" letters, and limits the diff
output to only those classes of changes, with two exceptions:
- A broken pair (aka "complete rewrite"), does not match D
(deleted) or N (created). Use B to look for them.
- The letter "A" in the diff-filter string does not match
anything itself, but causes the entire diff that contains
selected patches to be output (this behaviour is similar to
that of --pickaxe-all for the -S option).
For example,
$ git-rev-list HEAD |
git-diff-tree --stdin -s -v -B -C --diff-filter=BCR
shows a list of commits that have complete rewrite, copy, or
rename.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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The diff-* brothers acquired a sibling, git-diff-stages. With
an unmerged index file, you specify two stage numbers and it
shows the differences between them.
Signed-off-by: Junio C Hamano <junkio@cox.net>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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