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bash-prompt.sh: show where rebase is at when stopped

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When a rebase stops (e.g. interrupted by a merge conflict), it could
be useful to know how far a rebase has progressed and how many
commits in total this rebase will apply. Teach the __git_ps1()
command to display the number of commits so far applied and the
total number of commits to be applied, like this:

  ((3ec0a6a...)|REBASE 2/5)

In the example above the rebase has stopped at the second commit due to
a merge conflict and there are a total number of five commits to be
applied by this rebase.

This information can be already obtained from the following files which are
being generated during the rebase:

    GIT_DIR/.git/rebase-merge/msgnum (git-rebase--merge.sh)
    GIT_DIR/.git/rebase-merge/end    (git-rebase--merge.sh)
    GIT_DIR/.git/rebase-apply/next   (git-am.sh)
    GIT_DIR/.git/rebase-apply/last   (git-am.sh)

but "rebase -i" does not leave necessary clues.

Implement this feature by doing these three things:

  1) Modify git-rebase--interactive.sh to also create

	GIT_DIR/.git/rebase-merge/msgnum
	GIT_DIR/.git/rebase-merge/end

     files for the number of commits so far applied and the total
     number of commits to be applied.

  2) Modify git-prompt.sh to read and display info from the above
     files.

  3) Update test t9903-bash-prompt.sh to reflect changes introduced
     by this patch.

Signed-off-by: Zoltan Klinger <zoltan.klinger@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Zoltan Klinger
2013-04-25 19:28:54 +10:00
committed by Junio C Hamano
parent 3e7bb5da9f
commit b71dc3e1a0
3 changed files with 31 additions and 9 deletions
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5
git-rebase--interactive.sh
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@ -57,6 +57,9 @@ rewritten="$state_dir"/rewritten
dropped="$state_dir"/dropped
end="$state_dir"/end
msgnum="$state_dir"/msgnum
# A script to set the GIT_AUTHOR_NAME, GIT_AUTHOR_EMAIL, and
# GIT_AUTHOR_DATE that will be used for the commit that is currently
# being rebased.
@ -109,7 +112,9 @@ mark_action_done () {
sed -e 1d < "$todo" >> "$todo".new
mv -f "$todo".new "$todo"
new_count=$(git stripspace --strip-comments <"$done" | wc -l)
echo $new_count >"$msgnum"
total=$(($new_count + $(git stripspace --strip-comments <"$todo" | wc -l)))
echo $total >"$end"
if test "$last_count" != "$new_count"
then
last_count=$new_count