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rebase -i: Document how temporary files are used
Add documentation, inferred by reverse-engineering, about how git-rebase--interactive.sh uses many of its temporary files. Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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@ -34,11 +34,45 @@ root rebase all reachable commmits up to the root(s)
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require_work_tree
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DOTEST="$GIT_DIR/rebase-merge"
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# The file containing rebase commands, comments, and empty lines.
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# This file is created by "git rebase -i" then edited by the user. As
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# the lines are processed, they are removed from the front of this
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# file and written to the tail of $DONE.
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TODO="$DOTEST"/git-rebase-todo
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# The rebase command lines that have already been processed. A line
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# is moved here when it is first handled, before any associated user
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# actions.
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DONE="$DOTEST"/done
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# The commit message that is planned to be used for any changes that
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# need to be committed following a user interaction.
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MSG="$DOTEST"/message
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# The file into which is accumulated the suggested commit message for
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# squash/fixup commands. When the first of a series of squash/fixups
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# is seen, the file is created and the commit message from the
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# previous commit and from the first squash/fixup commit are written
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# to it. The commit message for each subsequent squash/fixup commit
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# is appended to the file as it is processed.
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#
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# The first line of the file is of the form
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# # This is a combination of $COUNT commits.
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# where $COUNT is the number of commits whose messages have been
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# written to the file so far (including the initial "pick" commit).
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# Each time that a commit message is processed, this line is read and
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# updated. It is deleted just before the combined commit is made.
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SQUASH_MSG="$DOTEST"/message-squash
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# $REWRITTEN is the name of a directory containing files for each
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# commit that is reachable by at least one merge base of $HEAD and
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# $UPSTREAM. They are not necessarily rewritten, but their children
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# might be. This ensures that commits on merged, but otherwise
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# unrelated side branches are left alone. (Think "X" in the man page's
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# example.)
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REWRITTEN="$DOTEST"/rewritten
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DROPPED="$DOTEST"/dropped
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PRESERVE_MERGES=
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STRATEGY=
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@ -683,13 +717,6 @@ first and then run 'git rebase --continue' again."
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test t = "$VERBOSE" && : > "$DOTEST"/verbose
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if test t = "$PRESERVE_MERGES"
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then
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# $REWRITTEN contains files for each commit that is
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# reachable by at least one merge base of $HEAD and
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# $UPSTREAM. They are not necessarily rewritten, but
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# their children might be.
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# This ensures that commits on merged, but otherwise
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# unrelated side branches are left alone. (Think "X"
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# in the man page's example.)
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if test -z "$REBASE_ROOT"
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then
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mkdir "$REWRITTEN" &&
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