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view tests/test-strip.t @ 24028:a78888d98606
color: be more conservative about setting ANSI mode on Windows (BC)
The current color mode detection on Windows assumes the presence of the
TERM environment variable assumes ANSI is supported. However, this isn't
always true. In MSYS (commonly found as part of MinGW), TERM is set to
"cygwin" and the auto resolved color mode of "ansi" results in escape
sequences getting printed literally to the terminal. The output is
very difficult to read and results in a bad user experience. A
workaround is to activate the pager and have it attend all commands (GNU
less in MSYS can render ANSI terminal sequences properly).
In Cygwin, TERM is set to "xterm." Furthermore, Cygwin supports
displaying these terminal sequences properly (unlike MSYS).
This patch changes the mode auto-detection logic on Windows to be more
conservative about selecting the "ansi" mode. We now only select the
"ansi" mode if TERM is set and it contains the string "xterm" or if
we were unable to talk to win32 APIs to determine the settings. There is
a chance this may take away "ansi" from a terminal that actually
supports it. The recourse for this would be to patch the detection to
act appropriately and to override color.mode until that patch has
landed. However, the author believes this regression is tolerable, since
it means MSYS users won't have gibberish printed by default.
Since MSYS's common pager (less) supports display of ANSI sequences,
there is room to patch the color extensions so it can select the ANSI
color mode if a pager is activated.
Mozilla (being an active user of MSYS) would really appreciate this
being part of the stable branch. However, since I believe it is BC, I
haven't explicitly requested application to stable since I figure that
request will be denied.
author | Gregory Szorc <gregory.szorc@gmail.com> |
---|---|
date | Tue, 03 Feb 2015 16:24:32 -0800 |
parents | 33d1b81c6ef0 |
children | ff5caa8dfd99 |
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$ echo "[extensions]" >> $HGRCPATH $ echo "strip=" >> $HGRCPATH $ restore() { > hg unbundle -q .hg/strip-backup/* > rm .hg/strip-backup/* > } $ teststrip() { > hg up -C $1 > echo % before update $1, strip $2 > hg parents > hg --traceback strip $2 > echo % after update $1, strip $2 > hg parents > restore > } $ hg init test $ cd test $ echo foo > bar $ hg ci -Ama adding bar $ echo more >> bar $ hg ci -Amb $ echo blah >> bar $ hg ci -Amc $ hg up 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo blah >> bar $ hg ci -Amd created new head $ echo final >> bar $ hg ci -Ame $ hg log changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e changeset: 3:65bd5f99a4a3 parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 2:264128213d29 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ teststrip 4 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 4 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 4 changeset: 3:65bd5f99a4a3 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d $ teststrip 4 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 3 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 3 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ teststrip 1 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 1, strip 4 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 1, strip 4 changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ teststrip 4 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 2 changeset: 4:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 2 changeset: 3:443431ffac4f tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e $ teststrip 4 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved % before update 4, strip 1 changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update 4, strip 1 changeset: 0:9ab35a2d17cb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ teststrip null 4 0 files updated, 0 files merged, 1 files removed, 0 files unresolved % before update null, strip 4 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) % after update null, strip 4 $ hg log changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c changeset: 3:443431ffac4f user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: e changeset: 2:65bd5f99a4a3 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ hg up -C 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg parents changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c $ hg --config experimental.bundle2-exp=True --config experimental.strip-bundle2-version=INVALID strip 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved unknown strip-bundle2-version value 'INVALID'; should be one of ['01', '02'] saved backup bundle to $TESTTMP/test/.hg/strip-backup/264128213d29-0b39d6bf-backup.hg (glob) $ hg debugbundle .hg/strip-backup/* 264128213d290d868c54642d13aeaa3675551a78 $ restore $ hg up -C 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg --config experimental.bundle2-exp=True --config experimental.strip-bundle2-version=02 --traceback strip 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/264128213d29-0b39d6bf-backup.hg (glob) $ hg parents changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ hg debugbundle .hg/strip-backup/* Stream params: {} b2x:changegroup -- "{'version': '02'}" 264128213d290d868c54642d13aeaa3675551a78 $ restore $ hg up -C 2 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg merge 4 0 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) before strip of merge parent $ hg parents changeset: 2:65bd5f99a4a3 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: d changeset: 4:264128213d29 tag: tip parent: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: c $ hg strip 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) after strip of merge parent $ hg parents changeset: 1:ef3a871183d7 user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: b $ restore $ hg up 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ hg log -G @ changeset: 4:264128213d29 | tag: tip | parent: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | | o changeset: 3:443431ffac4f | | user: test | | date: Thu Jan 01 00:00:00 1970 +0000 | | summary: e | | | o changeset: 2:65bd5f99a4a3 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a 2 is parent of 3, only one strip should happen $ hg strip "roots(2)" 3 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log -G @ changeset: 2:264128213d29 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ restore $ hg log -G o changeset: 4:443431ffac4f | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: e | o changeset: 3:65bd5f99a4a3 | parent: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | | @ changeset: 2:264128213d29 |/ user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: c | o changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a 2 different branches: 2 strips $ hg strip 2 4 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log -G o changeset: 2:65bd5f99a4a3 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: d | @ changeset: 1:ef3a871183d7 | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ restore 2 different branches and a common ancestor: 1 strip $ hg strip 1 "2|4" 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ restore verify fncache is kept up-to-date $ touch a $ hg ci -qAm a $ cat .hg/store/fncache | sort data/a.i data/bar.i $ hg strip tip 0 files updated, 0 files merged, 1 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ cat .hg/store/fncache data/bar.i stripping an empty revset $ hg strip "1 and not 1" abort: empty revision set [255] remove branchy history for qimport tests $ hg strip 3 saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) strip of applied mq should cleanup status file $ echo "mq=" >> $HGRCPATH $ hg up -C 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved $ echo fooagain >> bar $ hg ci -mf $ hg qimport -r tip:2 applied patches before strip $ hg qapplied 2.diff 3.diff 4.diff stripping revision in queue $ hg strip 3 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) applied patches after stripping rev in queue $ hg qapplied 2.diff stripping ancestor of queue $ hg strip 1 1 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) applied patches after stripping ancestor of queue $ hg qapplied Verify strip protects against stripping wc parent when there are uncommitted mods $ echo b > b $ hg add b $ hg ci -m 'b' $ hg log --graph @ changeset: 1:7519abd79d14 | tag: tip | user: test | date: Thu Jan 01 00:00:00 1970 +0000 | summary: b | o changeset: 0:9ab35a2d17cb user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ echo c > b $ echo c > bar $ hg strip tip abort: local changes found [255] $ hg strip tip --keep saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg log --graph @ changeset: 0:9ab35a2d17cb tag: tip user: test date: Thu Jan 01 00:00:00 1970 +0000 summary: a $ hg status M bar ? b Strip adds, removes, modifies with --keep $ touch b $ hg add b $ hg commit -mb $ touch c ... with a clean working dir $ hg add c $ hg rm bar $ hg commit -mc $ hg status $ hg strip --keep tip saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob) $ hg status ! bar ? c ... with a dirty working dir $ hg add c $ hg rm bar $ hg commit -mc $ hg status $ echo b > b $ echo d > d $ hg strip --keep tip saved backup bundle to $TESTTMP/test/.hg/strip-backup/57e364c8a475-4cfed93c-backup.hg (glob) $ hg status M b ! bar ? c ? d $ cd .. stripping many nodes on a complex graph (issue3299) $ hg init issue3299 $ cd issue3299 $ hg debugbuilddag '@a.:a@b.:b.:x<a@a.:a<b@b.:b<a@a.:a' $ hg strip 'not ancestors(x)' saved backup bundle to $TESTTMP/issue3299/.hg/strip-backup/*-backup.hg (glob) test hg strip -B bookmark $ cd .. $ hg init bookmarks $ cd bookmarks $ hg debugbuilddag '..<2.*1/2:m<2+3:c<m+3:a<2.:b' $ hg bookmark -r 'a' 'todelete' $ hg bookmark -r 'b' 'B' $ hg bookmark -r 'b' 'nostrip' $ hg bookmark -r 'c' 'delete' $ hg up -C todelete 0 files updated, 0 files merged, 0 files removed, 0 files unresolved (activating bookmark todelete) $ hg strip -B nostrip bookmark 'nostrip' deleted abort: empty revision set [255] $ hg strip -B todelete 0 files updated, 0 files merged, 0 files removed, 0 files unresolved saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob) bookmark 'todelete' deleted $ hg id -ir dcbb326fdec2 abort: unknown revision 'dcbb326fdec2'! [255] $ hg id -ir d62d843c9a01 d62d843c9a01 $ hg bookmarks B 9:ff43616e5d0f delete 6:2702dd0c91e7 $ hg strip -B delete saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob) bookmark 'delete' deleted $ hg id -ir 6:2702dd0c91e7 abort: unknown revision '2702dd0c91e7'! [255] $ hg update B 0 files updated, 0 files merged, 0 files removed, 0 files unresolved (activating bookmark B) $ echo a > a $ hg add a $ hg strip -B B abort: local changes found [255] $ hg bookmarks * B 6:ff43616e5d0f Make sure no one adds back a -b option: $ hg strip -b tip hg strip: option -b not recognized hg strip [-k] [-f] [-n] [-B bookmark] [-r] REV... strip changesets and all their descendants from the repository (use "hg help -e strip" to show help for the strip extension) options ([+] can be repeated): -r --rev REV [+] strip specified revision (optional, can specify revisions without this option) -f --force force removal of changesets, discard uncommitted changes (no backup) --no-backup no backups -k --keep do not modify working copy during strip -B --bookmark VALUE remove revs only reachable from given bookmark --mq operate on patch repository (use "hg strip -h" to show more help) [255] $ cd .. Verify bundles don't get overwritten: $ hg init doublebundle $ cd doublebundle $ touch a $ hg commit -Aqm a $ touch b $ hg commit -Aqm b $ hg strip -r 0 0 files updated, 0 files merged, 2 files removed, 0 files unresolved saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-e68910bd-backup.hg (glob) $ ls .hg/strip-backup 3903775176ed-e68910bd-backup.hg $ hg pull -q -r 3903775176ed .hg/strip-backup/3903775176ed-e68910bd-backup.hg $ hg strip -r 0 saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-54390173-backup.hg (glob) $ ls .hg/strip-backup 3903775176ed-54390173-backup.hg 3903775176ed-e68910bd-backup.hg