Mercurial > hg
view tests/test-diff-change.t @ 30867:aaa751585325
pager: don't terminate with extreme prejudice on SIGPIPE (BC)
The default SIGPIPE handler causes Mercurial to exit immediately, without
running any Python cleanup code (except and finally blocks, atexit handlers
etc). This creates problems if you want to do something at exit.
If we need a different exit code for broken pipe from pager, then we should
code that ourselves in Python; this appears to have been cargo-culted from
the fork implementation of pager that's no longer used, where it was needed
to stop Broken Pipe errors appearing on the user's terminal.
author | Simon Farnsworth <simonfar@fb.com> |
---|---|
date | Thu, 02 Feb 2017 11:17:36 -0800 |
parents | 98976e3cae57 |
children | 64292addbe67 |
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Testing diff --change $ hg init a $ cd a $ echo "first" > file.txt $ hg add file.txt $ hg commit -m 'first commit' # 0 $ echo "second" > file.txt $ hg commit -m 'second commit' # 1 $ echo "third" > file.txt $ hg commit -m 'third commit' # 2 $ hg diff --nodates --change 1 diff -r 4bb65dda5db4 -r e9b286083166 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -first +second $ hg diff --change e9b286083166 diff -r 4bb65dda5db4 -r e9b286083166 file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -1,1 +1,1 @@ -first +second $ cd .. Test dumb revspecs: top-level "x:y", "x:", ":y" and ":" ranges should be handled as pairs even if x == y, but not for "f(x:y)" nor "x::y" (issue3474, issue4774) $ hg clone -q a dumbspec $ cd dumbspec $ echo "wdir" > file.txt $ hg diff -r 2:2 $ hg diff -r 2:. $ hg diff -r 2: $ hg diff -r :0 $ hg diff -r '2:first(2:2)' $ hg diff -r 'first(2:2)' --nodates diff -r bf5ff72eb7e0 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -third +wdir $ hg diff -r '(2:2)' --nodates diff -r bf5ff72eb7e0 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -third +wdir $ hg diff -r 2::2 --nodates diff -r bf5ff72eb7e0 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -third +wdir $ hg diff -r "2 and 1" abort: empty revision range [255] $ cd .. $ hg clone -qr0 a dumbspec-rev0 $ cd dumbspec-rev0 $ echo "wdir" > file.txt $ hg diff -r : $ hg diff -r 'first(:)' --nodates diff -r 4bb65dda5db4 file.txt --- a/file.txt +++ b/file.txt @@ -1,1 +1,1 @@ -first +wdir $ cd .. Testing diff --change when merge: $ cd a $ for i in 1 2 3 4 5 6 7 8 9 10; do > echo $i >> file.txt > done $ hg commit -m "lots of text" # 3 $ sed -e 's,^2$,x,' file.txt > file.txt.tmp $ mv file.txt.tmp file.txt $ hg commit -m "change 2 to x" # 4 $ hg up -r 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ sed -e 's,^8$,y,' file.txt > file.txt.tmp $ mv file.txt.tmp file.txt $ hg commit -m "change 8 to y" created new head $ hg up -C -r 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg merge -r 5 merging file.txt 0 files updated, 1 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg commit -m "merge 8 to y" # 6 $ hg diff --change 5 diff -r ae119d680c82 -r 9085c5c02e52 file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -6,6 +6,6 @@ 5 6 7 -8 +y 9 10 must be similar to 'hg diff --change 5': $ hg diff -c 6 diff -r 273b50f17c6d -r 979ca961fd2e file.txt --- a/file.txt Thu Jan 01 00:00:00 1970 +0000 +++ b/file.txt Thu Jan 01 00:00:00 1970 +0000 @@ -6,6 +6,6 @@ 5 6 7 -8 +y 9 10 $ cd ..