view tests/test-rebase-named-branches.t @ 38483:3efadf2317c7

windows: add a method to convert Unix style command lines to Windows style

This started as a copy/paste of `os.path.expandvars()`, but limited to a given
dictionary of variables, converting `foo = foo + bar` to `foo += bar`, and
adding 'b' string prefixes.  Then code was added to make sure that a value being
substituted in wouldn't itself be expanded by cmd.exe.  But that left
inconsistent results between `$var1` and `%var1%` when its value was '%foo%'-
since neither were touched, `$var1` wouldn't expand but `%var1%` would.  So
instead, this just converts the Unix style to Windows style (if the variable
exists, because Windows will leave `%missing%` as-is), and lets cmd.exe do its
thing.

I then dropped the %% -> % conversion (because Windows doesn't do this), and
added the ability to escape the '$' with '\'.  The escape character is dropped,
for consistency with shell handling.

After everything seemed stable and working, running the whole test suite flagged
a problem near the end of test-bookmarks.t:1069.  The problem is cmd.exe won't
pass empty variables to its child, so defined but empty variables are now
skipped.  I can't think of anything better, and it seems like a pre-existing
violation of the documentation, which calls out that HG_OLDNODE is empty on
bookmark creation.

Future additions could potentially be replacing strong quotes with double quotes
(cmd.exe doesn't know what to do with the former), escaping a double quote, and
some tilde expansion via os.path.expanduser().  I've got some doubts about
replacing the strong quotes in case sh.exe is run, but it seems like the right
thing to do the vast majority of the time.  The original form of this was
discussed about a year ago[1].

[1] https://www.mercurial-scm.org/pipermail/mercurial-devel/2017-July/100735.html

  $ cat >> $HGRCPATH <<EOF
  > [extensions]
  > rebase=
  > 
  > [phases]
  > publish=False
  > 
  > [alias]
  > tglog = log -G --template "{rev}: {node|short} '{desc}' {branches}\n"
  > EOF

  $ hg init a
  $ cd a
  $ hg unbundle "$TESTDIR/bundles/rebase.hg"
  adding changesets
  adding manifests
  adding file changes
  added 8 changesets with 7 changes to 7 files (+2 heads)
  new changesets cd010b8cd998:02de42196ebe
  (run 'hg heads' to see heads, 'hg merge' to merge)
  $ hg up tip
  3 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ cd ..

  $ hg clone -q -u . a a1

  $ cd a1

  $ hg update 3
  3 files updated, 0 files merged, 2 files removed, 0 files unresolved
  $ hg branch dev-one
  marked working directory as branch dev-one
  (branches are permanent and global, did you want a bookmark?)
  $ hg ci -m 'dev-one named branch'

  $ hg update 7
  2 files updated, 0 files merged, 3 files removed, 0 files unresolved
  $ hg branch dev-two
  marked working directory as branch dev-two

  $ echo x > x

  $ hg add x

  $ hg ci -m 'dev-two named branch'

  $ hg tglog
  @  9: cb039b7cae8e 'dev-two named branch' dev-two
  |
  | o  8: 643fc9128048 'dev-one named branch' dev-one
  | |
  o |  7: 02de42196ebe 'H'
  | |
  +---o  6: eea13746799a 'G'
  | | |
  o | |  5: 24b6387c8c8c 'F'
  | | |
  +---o  4: 9520eea781bc 'E'
  | |
  | o  3: 32af7686d403 'D'
  | |
  | o  2: 5fddd98957c8 'C'
  | |
  | o  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  

Branch name containing a dash (issue3181)

  $ hg rebase -b dev-two -d dev-one --keepbranches
  rebasing 5:24b6387c8c8c "F"
  rebasing 6:eea13746799a "G"
  rebasing 7:02de42196ebe "H"
  rebasing 9:cb039b7cae8e "dev-two named branch" (tip)
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/24b6387c8c8c-24cb8001-rebase.hg

  $ hg tglog
  @  9: 9e70cd31750f 'dev-two named branch' dev-two
  |
  o  8: 31d0e4ba75e6 'H'
  |
  | o  7: 4b988a958030 'G'
  |/|
  o |  6: 24de4aff8e28 'F'
  | |
  o |  5: 643fc9128048 'dev-one named branch' dev-one
  | |
  | o  4: 9520eea781bc 'E'
  | |
  o |  3: 32af7686d403 'D'
  | |
  o |  2: 5fddd98957c8 'C'
  | |
  o |  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  
  $ hg rebase -s dev-one -d 0 --keepbranches
  rebasing 5:643fc9128048 "dev-one named branch"
  rebasing 6:24de4aff8e28 "F"
  rebasing 7:4b988a958030 "G"
  rebasing 8:31d0e4ba75e6 "H"
  rebasing 9:9e70cd31750f "dev-two named branch" (tip)
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/643fc9128048-c4ee9ef5-rebase.hg

  $ hg tglog
  @  9: 59c2e59309fe 'dev-two named branch' dev-two
  |
  o  8: 904590360559 'H'
  |
  | o  7: 1a1e6f72ec38 'G'
  |/|
  o |  6: 42aa3cf0fa7a 'F'
  | |
  o |  5: bc8139ee757c 'dev-one named branch' dev-one
  | |
  | o  4: 9520eea781bc 'E'
  |/
  | o  3: 32af7686d403 'D'
  | |
  | o  2: 5fddd98957c8 'C'
  | |
  | o  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  
  $ hg update 3
  3 files updated, 0 files merged, 3 files removed, 0 files unresolved
  $ hg branch -f dev-one
  marked working directory as branch dev-one
  $ hg ci -m 'dev-one named branch'
  created new head

  $ hg tglog
  @  10: 643fc9128048 'dev-one named branch' dev-one
  |
  | o  9: 59c2e59309fe 'dev-two named branch' dev-two
  | |
  | o  8: 904590360559 'H'
  | |
  | | o  7: 1a1e6f72ec38 'G'
  | |/|
  | o |  6: 42aa3cf0fa7a 'F'
  | | |
  | o |  5: bc8139ee757c 'dev-one named branch' dev-one
  | | |
  | | o  4: 9520eea781bc 'E'
  | |/
  o |  3: 32af7686d403 'D'
  | |
  o |  2: 5fddd98957c8 'C'
  | |
  o |  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  
  $ hg rebase -b 'max(branch("dev-two"))' -d dev-one --keepbranches
  rebasing 5:bc8139ee757c "dev-one named branch"
  note: rebase of 5:bc8139ee757c created no changes to commit
  rebasing 6:42aa3cf0fa7a "F"
  rebasing 7:1a1e6f72ec38 "G"
  rebasing 8:904590360559 "H"
  rebasing 9:59c2e59309fe "dev-two named branch"
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/bc8139ee757c-f11c1080-rebase.hg

  $ hg tglog
  o  9: 71325f8bc082 'dev-two named branch' dev-two
  |
  o  8: 12b2bc666e20 'H'
  |
  | o  7: 549f007a9f5f 'G'
  |/|
  o |  6: 679f28760620 'F'
  | |
  @ |  5: 643fc9128048 'dev-one named branch' dev-one
  | |
  | o  4: 9520eea781bc 'E'
  | |
  o |  3: 32af7686d403 'D'
  | |
  o |  2: 5fddd98957c8 'C'
  | |
  o |  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  
  $ hg rebase -s 'max(branch("dev-one"))' -d 0 --keepbranches
  rebasing 5:643fc9128048 "dev-one named branch"
  rebasing 6:679f28760620 "F"
  rebasing 7:549f007a9f5f "G"
  rebasing 8:12b2bc666e20 "H"
  rebasing 9:71325f8bc082 "dev-two named branch" (tip)
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/643fc9128048-6cdd1a52-rebase.hg

  $ hg tglog
  o  9: 3944801ae4ea 'dev-two named branch' dev-two
  |
  o  8: 8e279d293175 'H'
  |
  | o  7: aeefee77ab01 'G'
  |/|
  o |  6: e908b85f3729 'F'
  | |
  @ |  5: bc8139ee757c 'dev-one named branch' dev-one
  | |
  | o  4: 9520eea781bc 'E'
  |/
  | o  3: 32af7686d403 'D'
  | |
  | o  2: 5fddd98957c8 'C'
  | |
  | o  1: 42ccdea3bb16 'B'
  |/
  o  0: cd010b8cd998 'A'
  
  $ hg up -r 0 > /dev/null

Rebasing descendant onto ancestor across different named branches

  $ hg rebase -s 1 -d 9 --keepbranches
  rebasing 1:42ccdea3bb16 "B"
  rebasing 2:5fddd98957c8 "C"
  rebasing 3:32af7686d403 "D"
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/42ccdea3bb16-3cb021d3-rebase.hg

  $ hg tglog
  o  9: e9f862ce8bad 'D'
  |
  o  8: a0d543090fa4 'C'
  |
  o  7: 3bdb949809d9 'B'
  |
  o  6: 3944801ae4ea 'dev-two named branch' dev-two
  |
  o  5: 8e279d293175 'H'
  |
  | o  4: aeefee77ab01 'G'
  |/|
  o |  3: e908b85f3729 'F'
  | |
  o |  2: bc8139ee757c 'dev-one named branch' dev-one
  | |
  | o  1: 9520eea781bc 'E'
  |/
  @  0: cd010b8cd998 'A'
  
  $ hg rebase -s 5 -d 6
  abort: source and destination form a cycle
  [255]

  $ hg rebase -s 6 -d 5
  rebasing 6:3944801ae4ea "dev-two named branch"
  rebasing 7:3bdb949809d9 "B"
  rebasing 8:a0d543090fa4 "C"
  rebasing 9:e9f862ce8bad "D" (tip)
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/3944801ae4ea-fb46ed74-rebase.hg

  $ hg tglog
  o  9: e522577ccdbd 'D'
  |
  o  8: 810110211f50 'C'
  |
  o  7: 160b0930ccc6 'B'
  |
  o  6: c57724c84928 'dev-two named branch'
  |
  o  5: 8e279d293175 'H'
  |
  | o  4: aeefee77ab01 'G'
  |/|
  o |  3: e908b85f3729 'F'
  | |
  o |  2: bc8139ee757c 'dev-one named branch' dev-one
  | |
  | o  1: 9520eea781bc 'E'
  |/
  @  0: cd010b8cd998 'A'
  

Reopen branch by rebase

  $ hg up -qr3
  $ hg branch -q b
  $ hg ci -m 'create b'
  $ hg ci -m 'close b' --close
  $ hg rebase -b 8 -d b
  reopening closed branch head 2b586e70108d
  rebasing 5:8e279d293175 "H"
  rebasing 6:c57724c84928 "dev-two named branch"
  rebasing 7:160b0930ccc6 "B"
  rebasing 8:810110211f50 "C"
  rebasing 9:e522577ccdbd "D"
  saved backup bundle to $TESTTMP/a1/.hg/strip-backup/8e279d293175-b023e27c-rebase.hg

  $ cd ..

Rebase to other head on branch

Set up a case:

  $ hg init case1
  $ cd case1
  $ touch f
  $ hg ci -qAm0
  $ hg branch -q b
  $ echo >> f
  $ hg ci -qAm 'b1'
  $ hg up -qr -2
  $ hg branch -qf b
  $ hg ci -qm 'b2'
  $ hg up -qr -3
  $ hg branch -q c
  $ hg ci -m 'c1'

  $ hg tglog
  @  3: c062e3ecd6c6 'c1' c
  |
  | o  2: 792845bb77ee 'b2' b
  |/
  | o  1: 40039acb7ca5 'b1' b
  |/
  o  0: d681519c3ea7 '0'
  
  $ hg clone -q . ../case2

rebase 'b2' to another lower branch head

  $ hg up -qr 2
  $ hg rebase
  rebasing 2:792845bb77ee "b2"
  note: rebase of 2:792845bb77ee created no changes to commit
  saved backup bundle to $TESTTMP/case1/.hg/strip-backup/792845bb77ee-627120ee-rebase.hg
  $ hg tglog
  o  2: c062e3ecd6c6 'c1' c
  |
  | @  1: 40039acb7ca5 'b1' b
  |/
  o  0: d681519c3ea7 '0'
  

rebase 'b1' on top of the tip of the branch ('b2') - ignoring the tip branch ('c1')

  $ cd ../case2
  $ hg up -qr 1
  $ hg rebase
  rebasing 1:40039acb7ca5 "b1"
  saved backup bundle to $TESTTMP/case2/.hg/strip-backup/40039acb7ca5-342b72d1-rebase.hg
  $ hg tglog
  @  3: 76abc1c6f8c7 'b1' b
  |
  | o  2: c062e3ecd6c6 'c1' c
  | |
  o |  1: 792845bb77ee 'b2' b
  |/
  o  0: d681519c3ea7 '0'
  

rebase 'c1' to the branch head 'c2' that is closed

  $ hg branch -qf c
  $ hg ci -qm 'c2 closed' --close
  $ hg up -qr 2
  $ hg tglog
  _  4: 8427af5d86f2 'c2 closed' c
  |
  o  3: 76abc1c6f8c7 'b1' b
  |
  | @  2: c062e3ecd6c6 'c1' c
  | |
  o |  1: 792845bb77ee 'b2' b
  |/
  o  0: d681519c3ea7 '0'
  
  $ hg rebase
  abort: branch 'c' has one head - please rebase to an explicit rev
  (run 'hg heads' to see all heads)
  [255]
  $ hg tglog
  _  4: 8427af5d86f2 'c2 closed' c
  |
  o  3: 76abc1c6f8c7 'b1' b
  |
  | @  2: c062e3ecd6c6 'c1' c
  | |
  o |  1: 792845bb77ee 'b2' b
  |/
  o  0: d681519c3ea7 '0'
  

  $ hg up -cr 1
  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
  $ hg branch x
  marked working directory as branch x
  $ hg rebase -r 3:: -d .
  rebasing 3:76abc1c6f8c7 "b1"
  rebasing 4:8427af5d86f2 "c2 closed" (tip)
  note: rebase of 4:8427af5d86f2 created no changes to commit
  saved backup bundle to $TESTTMP/case2/.hg/strip-backup/76abc1c6f8c7-cd698d13-rebase.hg
  $ hg tglog
  o  3: 117b0ed08075 'b1' x
  |
  | o  2: c062e3ecd6c6 'c1' c
  | |
  @ |  1: 792845bb77ee 'b2' b
  |/
  o  0: d681519c3ea7 '0'
  

  $ cd ..