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changeset 31075:f1b63ec4b987

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histedit: improve documentation and behaviour of dates This clarifies in the histedit documentation that the 'edit' action preserves the date and that the 'fold' action uses the later date. The documentation was previously silent on this issue which left users in doubt.
author Ben Schmidt <insightfuls@users.noreply.github.com>
date Sat, 18 Feb 2017 21:30:28 +1100
parents 59e69ed81776
children 37ab9e20991c
files hgext/histedit.py tests/test-histedit-fold-non-commute.t tests/test-histedit-fold.t
diffstat 3 files changed, 156 insertions(+), 139 deletions(-) [+]
line wrap: on
line diff
--- a/hgext/histedit.py	Tue Feb 21 01:21:00 2017 +0900
+++ b/hgext/histedit.py	Sat Feb 18 21:30:28 2017 +1100
@@ -71,11 +71,11 @@
  ***
  Add delta
 
-Edit the commit message to your liking, then close the editor. For
-this example, let's assume that the commit message was changed to
-``Add beta and delta.`` After histedit has run and had a chance to
-remove any old or temporary revisions it needed, the history looks
-like this::
+Edit the commit message to your liking, then close the editor. The date used
+for the commit will be the later of the two commits' dates. For this example,
+let's assume that the commit message was changed to ``Add beta and delta.``
+After histedit has run and had a chance to remove any old or temporary
+revisions it needed, the history looks like this::
 
  @  2[tip]   989b4d060121   2009-04-27 18:04 -0500   durin42
  |    Add beta and delta.
@@ -97,9 +97,10 @@
 allowing you to edit files freely, or even use ``hg record`` to commit
 some changes as a separate commit. When you're done, any remaining
 uncommitted changes will be committed as well. When done, run ``hg
-histedit --continue`` to finish this step. You'll be prompted for a
-new commit message, but the default commit message will be the
-original message for the ``edit`` ed revision.
+histedit --continue`` to finish this step. If there are uncommitted
+changes, you'll be prompted for a new commit message, but the default
+commit message will be the original message for the ``edit`` ed
+revision, and the date of the original commit will be preserved.
 
 The ``message`` operation will give you a chance to revise a commit
 message without changing the contents. It's a shortcut for doing
@@ -884,11 +885,11 @@
 
     - `mess` to reword the changeset commit message
 
-    - `fold` to combine it with the preceding changeset
+    - `fold` to combine it with the preceding changeset (using the later date)
 
     - `roll` like fold, but discarding this commit's description
 
-    - `edit` to edit this changeset
+    - `edit` to edit this changeset (preserving date)
 
     There are a number of ways to select the root changeset:
 
--- a/tests/test-histedit-fold-non-commute.t	Tue Feb 21 01:21:00 2017 +0900
+++ b/tests/test-histedit-fold-non-commute.t	Sat Feb 18 21:30:28 2017 +1100
@@ -5,6 +5,12 @@
   > histedit=
   > EOF
 
+  $ modwithdate ()
+  > {
+  >     echo $1 > $1
+  >     hg ci -m $1 -d "$2 0"
+  > }
+
   $ initrepo ()
   > {
   >     hg init $1
@@ -14,12 +20,14 @@
   >         hg add $x
   >     done
   >     hg ci -m 'Initial commit'
-  >     for x in a b c d e f ; do
-  >         echo $x > $x
-  >         hg ci -m $x
-  >     done
+  >     modwithdate a 1
+  >     modwithdate b 2
+  >     modwithdate c 3
+  >     modwithdate d 4
+  >     modwithdate e 5
+  >     modwithdate f 6
   >     echo 'I can haz no commute' > e
-  >     hg ci -m 'does not commute with e'
+  >     hg ci -m 'does not commute with e' -d '7 0'
   >     cd ..
   > }
 
@@ -34,48 +42,48 @@
   $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED
   $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED
   $ cat $EDITED
-  pick 65a9a84f33fd 3 c
-  pick 00f1c5383965 4 d
-  fold 39522b764e3d 7 does not commute with e
-  pick 7b4e2f4b7bcd 5 e
-  pick 500cac37a696 6 f
+  pick 092e4ce14829 3 c
+  pick ae78f4c9d74f 4 d
+  fold 42abbb61bede 7 does not commute with e
+  pick 7f3755409b00 5 e
+  pick dd184f2faeb0 6 f
 
 log before edit
   $ hg log --graph
-  @  changeset:   7:39522b764e3d
+  @  changeset:   7:42abbb61bede
   |  tag:         tip
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:07 1970 +0000
   |  summary:     does not commute with e
   |
-  o  changeset:   6:500cac37a696
+  o  changeset:   6:dd184f2faeb0
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:06 1970 +0000
   |  summary:     f
   |
-  o  changeset:   5:7b4e2f4b7bcd
+  o  changeset:   5:7f3755409b00
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:05 1970 +0000
   |  summary:     e
   |
-  o  changeset:   4:00f1c5383965
+  o  changeset:   4:ae78f4c9d74f
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:04 1970 +0000
   |  summary:     d
   |
-  o  changeset:   3:65a9a84f33fd
+  o  changeset:   3:092e4ce14829
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:03 1970 +0000
   |  summary:     c
   |
-  o  changeset:   2:da6535b52e45
+  o  changeset:   2:40ccdd8beb95
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:02 1970 +0000
   |  summary:     b
   |
-  o  changeset:   1:c1f09da44841
+  o  changeset:   1:cd997a145b29
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:01 1970 +0000
   |  summary:     a
   |
   o  changeset:   0:1715188a53c7
@@ -89,7 +97,7 @@
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   merging e
   warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
-  Fix up the change (fold 39522b764e3d)
+  Fix up the change (fold 42abbb61bede)
   (hg histedit --continue to resume)
 
 fix up
@@ -113,7 +121,7 @@
   HG: changed e
   merging e
   warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
-  Fix up the change (pick 7b4e2f4b7bcd)
+  Fix up the change (pick 7f3755409b00)
   (hg histedit --continue to resume)
 
 just continue this time
@@ -124,34 +132,34 @@
   continue: hg histedit --continue
   $ hg diff
   $ hg histedit --continue 2>&1 | fixbundle
-  7b4e2f4b7bcd: skipping changeset (no changes)
+  7f3755409b00: skipping changeset (no changes)
 
 log after edit
   $ hg log --graph
-  @  changeset:   5:d9cf42e54966
+  @  changeset:   5:1300355b1a54
   |  tag:         tip
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:06 1970 +0000
   |  summary:     f
   |
-  o  changeset:   4:10486af2e984
+  o  changeset:   4:e2ac33269083
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:07 1970 +0000
   |  summary:     d
   |
-  o  changeset:   3:65a9a84f33fd
+  o  changeset:   3:092e4ce14829
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:03 1970 +0000
   |  summary:     c
   |
-  o  changeset:   2:da6535b52e45
+  o  changeset:   2:40ccdd8beb95
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:02 1970 +0000
   |  summary:     b
   |
-  o  changeset:   1:c1f09da44841
+  o  changeset:   1:cd997a145b29
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:01 1970 +0000
   |  summary:     a
   |
   o  changeset:   0:1715188a53c7
@@ -189,48 +197,48 @@
   $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED
   $ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED
   $ cat $EDITED
-  pick 65a9a84f33fd 3 c
-  pick 00f1c5383965 4 d
-  roll 39522b764e3d 7 does not commute with e
-  pick 7b4e2f4b7bcd 5 e
-  pick 500cac37a696 6 f
+  pick 092e4ce14829 3 c
+  pick ae78f4c9d74f 4 d
+  roll 42abbb61bede 7 does not commute with e
+  pick 7f3755409b00 5 e
+  pick dd184f2faeb0 6 f
 
 log before edit
   $ hg log --graph
-  @  changeset:   7:39522b764e3d
+  @  changeset:   7:42abbb61bede
   |  tag:         tip
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:07 1970 +0000
   |  summary:     does not commute with e
   |
-  o  changeset:   6:500cac37a696
+  o  changeset:   6:dd184f2faeb0
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:06 1970 +0000
   |  summary:     f
   |
-  o  changeset:   5:7b4e2f4b7bcd
+  o  changeset:   5:7f3755409b00
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:05 1970 +0000
   |  summary:     e
   |
-  o  changeset:   4:00f1c5383965
+  o  changeset:   4:ae78f4c9d74f
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:04 1970 +0000
   |  summary:     d
   |
-  o  changeset:   3:65a9a84f33fd
+  o  changeset:   3:092e4ce14829
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:03 1970 +0000
   |  summary:     c
   |
-  o  changeset:   2:da6535b52e45
+  o  changeset:   2:40ccdd8beb95
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:02 1970 +0000
   |  summary:     b
   |
-  o  changeset:   1:c1f09da44841
+  o  changeset:   1:cd997a145b29
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:01 1970 +0000
   |  summary:     a
   |
   o  changeset:   0:1715188a53c7
@@ -244,7 +252,7 @@
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   merging e
   warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
-  Fix up the change (roll 39522b764e3d)
+  Fix up the change (roll 42abbb61bede)
   (hg histedit --continue to resume)
 
 fix up
@@ -255,7 +263,7 @@
   $ hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed'
   merging e
   warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
-  Fix up the change (pick 7b4e2f4b7bcd)
+  Fix up the change (pick 7f3755409b00)
   (hg histedit --continue to resume)
 
 just continue this time
@@ -264,34 +272,34 @@
   (no more unresolved files)
   continue: hg histedit --continue
   $ hg histedit --continue 2>&1 | fixbundle
-  7b4e2f4b7bcd: skipping changeset (no changes)
+  7f3755409b00: skipping changeset (no changes)
 
 log after edit
   $ hg log --graph
-  @  changeset:   5:e7c4f5d4eb75
+  @  changeset:   5:162978f027fb
   |  tag:         tip
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:06 1970 +0000
   |  summary:     f
   |
-  o  changeset:   4:803d1bb561fc
+  o  changeset:   4:74e5e6c6c32f
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:07 1970 +0000
   |  summary:     d
   |
-  o  changeset:   3:65a9a84f33fd
+  o  changeset:   3:092e4ce14829
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:03 1970 +0000
   |  summary:     c
   |
-  o  changeset:   2:da6535b52e45
+  o  changeset:   2:40ccdd8beb95
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:02 1970 +0000
   |  summary:     b
   |
-  o  changeset:   1:c1f09da44841
+  o  changeset:   1:cd997a145b29
   |  user:        test
-  |  date:        Thu Jan 01 00:00:00 1970 +0000
+  |  date:        Thu Jan 01 00:00:01 1970 +0000
   |  summary:     a
   |
   o  changeset:   0:1715188a53c7
@@ -316,16 +324,16 @@
 description is taken from rollup target commit
 
   $ hg log --debug --rev 4
-  changeset:   4:803d1bb561fceac3129ec778db9da249a3106fc3
+  changeset:   4:74e5e6c6c32fa39f0eeed43302fd48633ea5926f
   phase:       draft
-  parent:      3:65a9a84f33fdeb1ad5679b3941ec885d2b24027b
+  parent:      3:092e4ce14829f4974399ce4316d59f64ef0b6725
   parent:      -1:0000000000000000000000000000000000000000
   manifest:    4:b068a323d969f22af1296ec6a5ea9384cef437ac
   user:        test
-  date:        Thu Jan 01 00:00:00 1970 +0000
+  date:        Thu Jan 01 00:00:07 1970 +0000
   files:       d e
   extra:       branch=default
-  extra:       histedit_source=00f1c53839651fa5c76d423606811ea5455a79d0,39522b764e3d26103f08bd1fa2ccd3e3d7dbcf4e
+  extra:       histedit_source=ae78f4c9d74ffa4b6cb5045001c303fe9204e890,42abbb61bede6f4366fa1e74a664343e5d558a70
   description:
   d
   
--- a/tests/test-histedit-fold.t	Tue Feb 21 01:21:00 2017 +0900
+++ b/tests/test-histedit-fold.t	Sat Feb 18 21:30:28 2017 +1100
@@ -20,52 +20,60 @@
 
 Simple folding
 --------------------
+  $ addwithdate ()
+  > {
+  >     echo $1 > $1
+  >     hg add $1
+  >     hg ci -m $1 -d "$2 0"
+  > }
+
   $ initrepo ()
   > {
   >     hg init r
   >     cd r
-  >     for x in a b c d e f ; do
-  >         echo $x > $x
-  >         hg add $x
-  >         hg ci -m $x
-  >     done
+  >     addwithdate a 1
+  >     addwithdate b 2
+  >     addwithdate c 3
+  >     addwithdate d 4
+  >     addwithdate e 5
+  >     addwithdate f 6
   > }
 
   $ initrepo
 
 log before edit
   $ hg logt --graph
-  @  5:652413bf663e f
+  @  5:178e35e0ce73 f
   |
-  o  4:e860deea161a e
+  o  4:1ddb6c90f2ee e
   |
-  o  3:055a42cdd887 d
+  o  3:532247a8969b d
   |
-  o  2:177f92b77385 c
+  o  2:ff2c9fa2018b c
   |
-  o  1:d2ae7f538514 b
+  o  1:97d72e5f12c7 b
   |
-  o  0:cb9a9f314b8b a
+  o  0:8580ff50825a a
   
 
-  $ hg histedit 177f92b77385 --commands - 2>&1 <<EOF | fixbundle
-  > pick e860deea161a e
-  > pick 652413bf663e f
-  > fold 177f92b77385 c
-  > pick 055a42cdd887 d
+  $ hg histedit ff2c9fa2018b --commands - 2>&1 <<EOF | fixbundle
+  > pick 1ddb6c90f2ee e
+  > pick 178e35e0ce73 f
+  > fold ff2c9fa2018b c
+  > pick 532247a8969b d
   > EOF
 
 log after edit
   $ hg logt --graph
-  @  4:9c277da72c9b d
+  @  4:c4d7f3def76d d
   |
-  o  3:6de59d13424a f
+  o  3:575228819b7e f
   |
-  o  2:ee283cb5f2d5 e
+  o  2:505a591af19e e
   |
-  o  1:d2ae7f538514 b
+  o  1:97d72e5f12c7 b
   |
-  o  0:cb9a9f314b8b a
+  o  0:8580ff50825a a
   
 
 post-fold manifest
@@ -78,19 +86,19 @@
   f
 
 
-check histedit_source
+check histedit_source, including that it uses the later date, from the first changeset
 
   $ hg log --debug --rev 3
-  changeset:   3:6de59d13424a8a13acd3e975514aed29dd0d9b2d
+  changeset:   3:575228819b7e6ed69e8c0a6a383ee59a80db7358
   phase:       draft
-  parent:      2:ee283cb5f2d5955443f23a27b697a04339e9a39a
+  parent:      2:505a591af19eed18f560af827b9e03d2076773dc
   parent:      -1:0000000000000000000000000000000000000000
   manifest:    3:81eede616954057198ead0b2c73b41d1f392829a
   user:        test
-  date:        Thu Jan 01 00:00:00 1970 +0000
+  date:        Thu Jan 01 00:00:06 1970 +0000
   files+:      c f
   extra:       branch=default
-  extra:       histedit_source=a4f7421b80f79fcc59fff01bcbf4a53d127dd6d3,177f92b773850b59254aa5e923436f921b55483b
+  extra:       histedit_source=7cad1d7030207872dfd1c3a7cb430f24f2884086,ff2c9fa2018b15fa74b33363bda9527323e2a99f
   description:
   f
   ***
@@ -102,39 +110,39 @@
 
   $ OLDHGEDITOR=$HGEDITOR
   $ HGEDITOR=false
-  $ hg histedit d2ae7f538514 --commands - 2>&1 <<EOF | fixbundle
-  > pick d2ae7f538514 b
-  > roll ee283cb5f2d5 e
-  > pick 6de59d13424a f
-  > pick 9c277da72c9b d
+  $ hg histedit 97d72e5f12c7 --commands - 2>&1 <<EOF | fixbundle
+  > pick 97d72e5f12c7 b
+  > roll 505a591af19e e
+  > pick 575228819b7e f
+  > pick c4d7f3def76d d
   > EOF
 
   $ HGEDITOR=$OLDHGEDITOR
 
 log after edit
   $ hg logt --graph
-  @  3:c4a9eb7989fc d
+  @  3:fb13f1f49340 d
   |
-  o  2:8e03a72b6f83 f
+  o  2:6d4bc3727566 f
   |
-  o  1:391ee782c689 b
+  o  1:563995ddbe65 b
   |
-  o  0:cb9a9f314b8b a
+  o  0:8580ff50825a a
   
 
 description is taken from rollup target commit
 
   $ hg log --debug --rev 1
-  changeset:   1:391ee782c68930be438ccf4c6a403daedbfbffa5
+  changeset:   1:563995ddbe650c0e6b0e1c1d75f0a197b61cec50
   phase:       draft
-  parent:      0:cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b
+  parent:      0:8580ff50825a50c8f716709acdf8de0deddcd6ab
   parent:      -1:0000000000000000000000000000000000000000
   manifest:    1:b5e112a3a8354e269b1524729f0918662d847c38
   user:        test
-  date:        Thu Jan 01 00:00:00 1970 +0000
+  date:        Thu Jan 01 00:00:05 1970 +0000
   files+:      b e
   extra:       branch=default
-  extra:       histedit_source=d2ae7f538514cd87c17547b0de4cea71fe1af9fb,ee283cb5f2d5955443f23a27b697a04339e9a39a
+  extra:       histedit_source=97d72e5f12c7e84f85064aa72e5a297142c36ed9,505a591af19eed18f560af827b9e03d2076773dc
   description:
   b
   
@@ -163,13 +171,13 @@
   > EOF
 
   $ rm -f .hg/last-message.txt
-  $ hg status --rev '8e03a72b6f83^1::c4a9eb7989fc'
+  $ hg status --rev '6d4bc3727566^1::fb13f1f49340'
   A c
   A d
   A f
-  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 8e03a72b6f83 --commands - 2>&1 <<EOF
-  > pick 8e03a72b6f83 f
-  > fold c4a9eb7989fc d
+  $ HGEDITOR="sh $TESTTMP/editor.sh" hg histedit 6d4bc3727566 --commands - 2>&1 <<EOF
+  > pick 6d4bc3727566 f
+  > fold fb13f1f49340 d
   > EOF
   allow non-folding commit
   ==== before editing
@@ -209,37 +217,37 @@
   $ cd ..
   $ rm -r r
 
-folding preserves initial author
---------------------------------
+folding preserves initial author but uses later date
+----------------------------------------------------
 
   $ initrepo
 
-  $ hg ci --user "someone else" --amend --quiet
+  $ hg ci -d '7 0' --user "someone else" --amend --quiet
 
 tip before edit
   $ hg log --rev .
-  changeset:   5:a00ad806cb55
+  changeset:   5:10c36dd37515
   tag:         tip
   user:        someone else
-  date:        Thu Jan 01 00:00:00 1970 +0000
+  date:        Thu Jan 01 00:00:07 1970 +0000
   summary:     f
   
 
   $ hg --config progress.debug=1 --debug \
-  > histedit e860deea161a --commands - 2>&1 <<EOF | \
+  > histedit 1ddb6c90f2ee --commands - 2>&1 <<EOF | \
   > egrep 'editing|unresolved'
-  > pick e860deea161a e
-  > fold a00ad806cb55 f
+  > pick 1ddb6c90f2ee e
+  > fold 10c36dd37515 f
   > EOF
-  editing: pick e860deea161a 4 e 1/2 changes (50.00%)
-  editing: fold a00ad806cb55 5 f 2/2 changes (100.00%)
+  editing: pick 1ddb6c90f2ee 4 e 1/2 changes (50.00%)
+  editing: fold 10c36dd37515 5 f 2/2 changes (100.00%)
 
-tip after edit
+tip after edit, which should use the later date, from the second changeset
   $ hg log --rev .
-  changeset:   4:698d4e8040a1
+  changeset:   4:e4f3ec5d0b40
   tag:         tip
   user:        test
-  date:        Thu Jan 01 00:00:00 1970 +0000
+  date:        Thu Jan 01 00:00:07 1970 +0000
   summary:     e