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tests/test-remotefilelog-tags.t
author Augie Fackler <augie@google.com>
Mon, 08 Jul 2019 13:12:20 -0400
branchstable
changeset 42562 97ada9b8d51b
parent 40722 0800d9e6e216
child 46874 84a93fa7ecfd
permissions -rw-r--r--
posix: always seek to EOF when opening a file in append mode Python 3 already does this, so skip it there. Consider the program: #include <stdio.h> int main() { FILE *f = fopen("narf", "w"); fprintf(f, "narf\n"); fclose(f); f = fopen("narf", "a"); printf("%ld\n", ftell(f)); fprintf(f, "troz\n"); printf("%ld\n", ftell(f)); return 0; } on macOS, FreeBSD, and Linux with glibc, this program prints 5 10 but on musl libc (Alpine Linux and probably others) this prints 0 10 By my reading of https://pubs.opengroup.org/onlinepubs/009695399/functions/fopen.html this is technically correct, specifically: > Opening a file with append mode (a as the first character in the > mode argument) shall cause all subsequent writes to the file to be > forced to the then current end-of-file, regardless of intervening > calls to fseek(). in other words, the file position doesn't really matter in append-mode files, and we can't depend on it being at all meaningful unless we perform a seek() before tell() after open(..., 'a'). Experimentally after a .write() we can do a .tell() and it'll always be reasonable, but I'm unclear from reading the specification if that's a smart thing to rely on. This matches what we do on Windows and what Python 3 does for free, so let's just be consistent. Thanks to Yuya for the idea.
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0800d9e6e216 tests: disable remotefilelog on Windows
Matt Harbison <matt_harbison@yahoo.com>
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#require no-windows
0800d9e6e216 tests: disable remotefilelog on Windows
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  $ . "$TESTDIR/remotefilelog-library.sh"












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  $ hg init master







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  $ cd master












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  $ cat >> .hg/hgrc <<EOF












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  > [remotefilelog]












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  > server=True












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  > EOF












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  $ echo x > foo












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  $ echo y > bar












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  $ hg commit -qAm one












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  $ hg tag tag1












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  $ cd ..












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# clone with tags












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  $ hg clone --shallow ssh://user@dummy/master shallow --noupdate --config remotefilelog.excludepattern=.hgtags












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  streaming all changes












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  3 files to transfer, 662 bytes of data












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  transferred 662 bytes in * seconds (*/sec) (glob)












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  searching for changes












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  no changes found












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  $ cat >> shallow/.hg/hgrc <<EOF












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  > [remotefilelog]












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  > cachepath=$PWD/hgcache












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  > debug=True












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  > reponame = master












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  > excludepattern=.hgtags












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  > [extensions]












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  > remotefilelog=












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  > EOF












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  $ cd shallow












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  $ ls .hg/store/data












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  ~2ehgtags.i












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  $ hg tags












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  tip                                1:6ce44dcfda68












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  tag1                               0:e0360bc0d9e1












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  $ hg update












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  3 files updated, 0 files merged, 0 files removed, 0 files unresolved












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  2 files fetched over 1 fetches - (2 misses, 0.00% hit ratio) over *s (glob)












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# pull with tags












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  $ cd ../master












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  $ hg tag tag2












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  $ cd ../shallow












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  $ hg pull












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  pulling from ssh://user@dummy/master












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  searching for changes












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  adding changesets












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  adding manifests












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  adding file changes












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  added 1 changesets with 0 changes to 0 files












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  new changesets 6a22dfa4fd34












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  (run 'hg update' to get a working copy)












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  $ hg tags












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  tip                                2:6a22dfa4fd34












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  tag2                               1:6ce44dcfda68












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  tag1                               0:e0360bc0d9e1












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  $ hg update












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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved












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  $ ls .hg/store/data












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  ~2ehgtags.i












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  $ hg log -l 1 --stat












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  changeset:   2:6a22dfa4fd34












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  tag:         tip












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  user:        test












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  date:        Thu Jan 01 00:00:00 1970 +0000












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  summary:     Added tag tag2 for changeset 6ce44dcfda68












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   .hgtags |  1 +












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   1 files changed, 1 insertions(+), 0 deletions(-)












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