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dispatch: don't show list of commands on bogus command...
dispatch: don't show list of commands on bogus command If a command is ambiguous, you get this: $ hg ve hg: command 've' is ambiguous: verify version [255] If you typo a command, you get this: $ hg comit hg: unknown command 'comit' (did you mean one of commit, incoming, mycommit?) [255] But if you completely mistype a command so it no longer looks like any existing commands, you get a full list of commands. That might be useful the first time you use Mercurial, but after that it's probably more annoying than help, especially if you have the pager enabled and have a short terminal. Let's instead give a short hint telling the user to run `hg help` for more help. Differential Revision: https://phab.mercurial-scm.org/D4024
David Soria Parra - - Load All Authors

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test-diff-ignore-whitespace.t
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GNU diff is the reference for all of these results.
Prepare tests:
$ echo '[alias]' >> $HGRCPATH
$ echo 'ndiff = diff --nodates' >> $HGRCPATH
$ hg init
$ printf 'hello world\ngoodbye world\n' >foo
$ hg ci -Amfoo -ufoo
adding foo
Test added blank lines:
$ printf '\nhello world\n\ngoodbye world\n\n' >foo
>>> two diffs showing three added lines <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
+
hello world
+
goodbye world
+
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
+
hello world
+
goodbye world
+
>>> no diffs <<<
$ hg ndiff -B
$ hg ndiff -Bb
Test added horizontal space first on a line():
$ printf '\t hello world\ngoodbye world\n' >foo
>>> four diffs showing added space first on the first line <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+ hello world
goodbye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+ hello world
goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+ hello world
goodbye world
$ hg ndiff -Bb
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+ hello world
goodbye world
Test added horizontal space last on a line:
$ printf 'hello world\t \ngoodbye world\n' >foo
>>> two diffs showing space appended to the first line <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+hello world
goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+hello world
goodbye world
>>> no diffs <<<
$ hg ndiff -b
$ hg ndiff -Bb
Test added horizontal space in the middle of a word:
$ printf 'hello world\ngood bye world\n' >foo
>>> four diffs showing space inserted into "goodbye" <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+good bye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+good bye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+good bye world
$ hg ndiff -Bb
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+good bye world
Test increased horizontal whitespace amount:
$ printf 'hello world\ngoodbye\t\t \tworld\n' >foo
>>> two diffs showing changed whitespace amount in the last line <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
hello world
-goodbye world
+goodbye world
>>> no diffs <<<
$ hg ndiff -b
$ hg ndiff -Bb
Test added blank line with horizontal whitespace:
$ printf 'hello world\n \t\ngoodbye world\n' >foo
>>> three diffs showing added blank line with horizontal space <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+
goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+
goodbye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+
goodbye world
>>> no diffs <<<
$ hg ndiff -Bb
Test added blank line with other whitespace:
$ printf 'hello world\n \t\ngoodbye world \n' >foo
>>> three diffs showing added blank line with other space <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
-hello world
-goodbye world
+hello world
+
+goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
-hello world
-goodbye world
+hello world
+
+goodbye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+
goodbye world
>>> no diffs <<<
$ hg ndiff -Bb
Test whitespace changes:
$ printf 'helloworld\ngoodbye\tworld \n' >foo
>>> four diffs showing changed whitespace <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
-goodbye world
+helloworld
+goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
-goodbye world
+helloworld
+goodbye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+helloworld
goodbye world
$ hg ndiff -Bb
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,2 @@
-hello world
+helloworld
goodbye world
>>> no diffs <<<
$ hg ndiff -w
Test whitespace changes and blank lines:
$ printf 'helloworld\n\n\n\ngoodbye\tworld \n' >foo
>>> five diffs showing changed whitespace <<<
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
-hello world
-goodbye world
+helloworld
+
+
+
+goodbye world
$ hg ndiff -B
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
-hello world
-goodbye world
+helloworld
+
+
+
+goodbye world
$ hg ndiff -b
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
-hello world
+helloworld
+
+
+
goodbye world
$ hg ndiff -Bb
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
-hello world
+helloworld
+
+
+
goodbye world
$ hg ndiff -w
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,5 @@
hello world
+
+
+
goodbye world
>>> no diffs <<<
$ hg ndiff -wB
Test \r (carriage return) as used in "DOS" line endings:
$ printf 'hello world\r\n\r\ngoodbye\rworld\n' >foo
$ hg ndiff
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
-hello world
-goodbye world
+hello world\r (esc)
+\r (esc)
+goodbye\r (no-eol) (esc)
world
Test \r (carriage return) as used in "DOS" line endings:
$ printf 'hello world \r\n\t\ngoodbye world\n' >foo
$ hg ndiff --ignore-space-at-eol
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+\t (esc)
goodbye world
No completely blank lines to ignore:
$ printf 'hello world\r\n\r\ngoodbye\rworld\n' >foo
$ hg ndiff --ignore-blank-lines
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
-hello world
-goodbye world
+hello world\r (esc)
+\r (esc)
+goodbye\r (no-eol) (esc)
world
Only new line noticed:
$ hg ndiff --ignore-space-change
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+\r (esc)
goodbye world
$ hg ndiff --ignore-all-space
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
hello world
+\r (esc)
goodbye world
New line not noticed when space change ignored:
$ hg ndiff --ignore-blank-lines --ignore-all-space
Do not ignore all newlines, only blank lines
$ printf 'hello \nworld\ngoodbye world\n' > foo
$ hg ndiff --ignore-blank-lines
diff -r 540c40a65b78 foo
--- a/foo
+++ b/foo
@@ -1,2 +1,3 @@
-hello world
+hello
+world
goodbye world
Test hunk offsets adjustments with --ignore-blank-lines
$ hg revert -aC
reverting foo
$ printf '\nb\nx\nd\n' > a
$ printf 'b\ny\nd\n' > b
$ hg add a b
$ hg ci -m add
$ hg cat -r . a > b
$ hg cat -r . b > a
$ hg diff -B --nodates a > ../diffa
$ cat ../diffa
diff -r 0e66aa54f318 a
--- a/a
+++ b/a
@@ -1,4 +1,4 @@
b
-x
+y
d
$ hg diff -B --nodates b > ../diffb
$ cat ../diffb
diff -r 0e66aa54f318 b
--- a/b
+++ b/b
@@ -1,3 +1,3 @@
b
-y
+x
d
$ hg revert -aC
reverting a
reverting b
$ hg import --no-commit ../diffa
applying ../diffa
$ hg revert -aC
reverting a
$ hg import --no-commit ../diffb
applying ../diffb
$ hg revert -aC
reverting b