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This script takes a range of commits (e.g. maint..next) as its arguments, recreates merge commits in the range to prime rr-cache database. Signed-off-by: Nanako Shiraishi <nanako3@lavabit.com> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>
52 lines
990 B
Bash
Executable file
52 lines
990 B
Bash
Executable file
#!/bin/sh
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# Copyright (c) 2008, Nanako Shiraishi
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# Prime rerere database from existing merge commits
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me=rerere-train
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USAGE="$me rev-list-args"
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SUBDIRECTORY_OK=Yes
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OPTIONS_SPEC=
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. git-sh-setup
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require_work_tree
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cd_to_toplevel
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# Remember original branch
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branch=$(git symbolic-ref -q HEAD) ||
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original_HEAD=$(git rev-parse --verify HEAD) || {
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echo >&2 "Not on any branch and no commit yet?"
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exit 1
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}
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mkdir -p "$GIT_DIR/rr-cache" || exit
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git rev-list --parents "$@" |
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while read commit parent1 other_parents
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do
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if test -z "$other_parents"
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then
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# Skip non-merges
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continue
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fi
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git checkout -q "$parent1^0"
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if git merge $other_parents >/dev/null 2>&1
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then
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# Cleanly merges
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continue
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fi
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if test -s "$GIT_DIR/MERGE_RR"
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then
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git show -s --pretty=format:"Learning from %h %s" "$commit"
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git rerere
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git checkout -q $commit -- .
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git rerere
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fi
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git reset -q --hard
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done
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if test -z "$branch"
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then
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git checkout "$original_HEAD"
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else
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git checkout "${branch#refs/heads/}"
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fi
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