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test for old histedit issue #6:
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editing a changeset without any actual change would corrupt the repository
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$ . "$TESTDIR/histedit-helpers.sh"
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$ cat >> $HGRCPATH <<EOF
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> [extensions]
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> histedit=
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> EOF
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$ initrepo ()
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> {
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> dir="$1"
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> comment="$2"
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> if [ -n "${comment}" ]; then
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> echo % ${comment}
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> echo % ${comment} | sed 's:.:-:g'
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> fi
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> hg init ${dir}
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> cd ${dir}
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> for x in a b c d e f ; do
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> echo $x > $x
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> hg add $x
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> hg ci -m $x
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> done
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> cd ..
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> }
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$ geneditor ()
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> {
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> # generate an editor script for selecting changesets to be edited
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> choice=$1 # changesets that should be edited (using sed line ranges)
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> cat <<EOF | sed 's:^....::'
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> # editing the rules, replacing 'pick' with 'edit' for the chosen lines
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> sed '${choice}s:^pick:edit:' "\$1" > "\${1}.tmp"
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> mv "\${1}.tmp" "\$1"
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> # displaying the resulting rules, minus comments and empty lines
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> sed '/^#/d;/^$/d;s:^:| :' "\$1" >&2
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> EOF
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> }
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$ startediting ()
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> {
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> # begin an editing session
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> choice="$1" # changesets that should be edited
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> number="$2" # number of changesets considered (from tip)
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> comment="$3"
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> geneditor "${choice}" > edit.sh
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> echo % start editing the history ${comment}
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> HGEDITOR="sh ./edit.sh" hg histedit -- -${number} 2>&1 | fixbundle
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> }
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$ continueediting ()
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> {
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> # continue an edit already in progress
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> editor="$1" # message editor when finalizing editing
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> comment="$2"
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> echo % finalize changeset editing ${comment}
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> HGEDITOR=${editor} hg histedit --continue 2>&1 | fixbundle
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> }
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$ graphlog ()
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> {
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> comment="${1:-log}"
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> echo % "${comment}"
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> hg log -G --template '{rev} {node} \"{desc|firstline}\"\n'
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> }
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$ initrepo r1 "test editing with no change"
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% test editing with no change
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-----------------------------
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$ cd r1
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$ graphlog "log before editing"
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% log before editing
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@ 5 652413bf663ef2a641cab26574e46d5f5a64a55a "f"
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o 4 e860deea161a2f77de56603b340ebbb4536308ae "e"
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o 3 055a42cdd88768532f9cf79daa407fc8d138de9b "d"
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o 2 177f92b773850b59254aa5e923436f921b55483b "c"
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o 1 d2ae7f538514cd87c17547b0de4cea71fe1af9fb "b"
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o 0 cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b "a"
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$ startediting 2 3 "(not changing anything)" # edit the 2nd of 3 changesets
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% start editing the history (not changing anything)
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| pick 055a42cdd887 3 d
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| edit e860deea161a 4 e
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| pick 652413bf663e 5 f
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0 files updated, 0 files merged, 2 files removed, 0 files unresolved
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Make changes as needed, you may commit or record as needed now.
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When you are finished, run hg histedit --continue to resume.
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$ continueediting true "(leaving commit message unaltered)"
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% finalize changeset editing (leaving commit message unaltered)
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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check state of working copy
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$ hg id
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794fe033d0a0 tip
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$ graphlog "log after history editing"
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% log after history editing
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@ 5 794fe033d0a030f8df77c5de945fca35c9181c30 "f"
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o 4 04d2fab980779f332dec458cc944f28de8b43435 "e"
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o 3 055a42cdd88768532f9cf79daa407fc8d138de9b "d"
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o 2 177f92b773850b59254aa5e923436f921b55483b "c"
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o 1 d2ae7f538514cd87c17547b0de4cea71fe1af9fb "b"
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o 0 cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b "a"
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$ cd ..
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$ initrepo r2 "test editing with no change, then abort"
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% test editing with no change, then abort
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-----------------------------------------
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$ cd r2
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$ graphlog "log before editing"
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% log before editing
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@ 5 652413bf663ef2a641cab26574e46d5f5a64a55a "f"
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o 4 e860deea161a2f77de56603b340ebbb4536308ae "e"
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o 3 055a42cdd88768532f9cf79daa407fc8d138de9b "d"
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o 2 177f92b773850b59254aa5e923436f921b55483b "c"
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o 1 d2ae7f538514cd87c17547b0de4cea71fe1af9fb "b"
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o 0 cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b "a"
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$ startediting 1,2 3 "(not changing anything)" # edit the 1st two of 3 changesets
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% start editing the history (not changing anything)
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| edit 055a42cdd887 3 d
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| edit e860deea161a 4 e
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| pick 652413bf663e 5 f
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0 files updated, 0 files merged, 3 files removed, 0 files unresolved
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Make changes as needed, you may commit or record as needed now.
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When you are finished, run hg histedit --continue to resume.
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$ continueediting true "(leaving commit message unaltered)"
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% finalize changeset editing (leaving commit message unaltered)
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0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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Make changes as needed, you may commit or record as needed now.
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When you are finished, run hg histedit --continue to resume.
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$ graphlog "log after first edit"
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% log after first edit
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@ 6 e5ae3ca2f1ffdbd89ec41ebc273a231f7c3022f2 "d"
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| o 5 652413bf663ef2a641cab26574e46d5f5a64a55a "f"
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| |
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| o 4 e860deea161a2f77de56603b340ebbb4536308ae "e"
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| |
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| o 3 055a42cdd88768532f9cf79daa407fc8d138de9b "d"
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|/
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o 2 177f92b773850b59254aa5e923436f921b55483b "c"
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o 1 d2ae7f538514cd87c17547b0de4cea71fe1af9fb "b"
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o 0 cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b "a"
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abort editing session, after first forcibly updating away
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$ hg up 0
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abort: histedit in progress
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(use 'hg histedit --continue' or 'hg histedit --abort')
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[255]
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$ mv .hg/histedit-state .hg/histedit-state-ignore
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$ hg up 0
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0 files updated, 0 files merged, 3 files removed, 0 files unresolved
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$ mv .hg/histedit-state-ignore .hg/histedit-state
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$ hg sum
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parent: 0:cb9a9f314b8b
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a
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branch: default
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commit: 1 modified, 1 unknown (new branch head)
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update: 6 new changesets (update)
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hist: 2 remaining (histedit --continue)
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$ hg histedit --abort 2>&1 | fixbundle
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[1]
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modified files should survive the abort when we've moved away already
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$ hg st
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M e
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? edit.sh
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$ graphlog "log after abort"
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% log after abort
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o 5 652413bf663ef2a641cab26574e46d5f5a64a55a "f"
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o 4 e860deea161a2f77de56603b340ebbb4536308ae "e"
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o 3 055a42cdd88768532f9cf79daa407fc8d138de9b "d"
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o 2 177f92b773850b59254aa5e923436f921b55483b "c"
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o 1 d2ae7f538514cd87c17547b0de4cea71fe1af9fb "b"
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@ 0 cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b "a"
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$ cd ..
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