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![Junio C Hamano](/assets/img/avatar_default.png)
* lj/refs: (63 commits) Fix show-ref usagestring t3200: git-branch testsuite update sha1_name.c: avoid compilation warnings. Make git-branch a builtin ref-log: fix D/F conflict coming from deleted refs. git-revert with conflicts to behave as git-merge with conflicts core.logallrefupdates thinko-fix git-pack-refs --all core.logallrefupdates create new log file only for branch heads. Remove bashism from t3210-pack-refs.sh ref-log: allow ref@{count} syntax. pack-refs: call fflush before fsync. pack-refs: use lockfile as everybody else does. git-fetch: do not look into $GIT_DIR/refs to see if a tag exists. lock_ref_sha1_basic does not remove empty directories on BSD Do not create tag leading directories since git update-ref does it. Check that a tag exists using show-ref instead of looking for the ref file. Use git-update-ref to delete a tag instead of rm()ing the ref file. Fix refs.c;:repack_without_ref() clean-up path Clean up "git-branch.sh" and add remove recursive dir test cases. ...
184 lines
4.2 KiB
Bash
Executable file
184 lines
4.2 KiB
Bash
Executable file
#!/bin/sh
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#
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# Copyright (c) 2005 Linus Torvalds
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# Copyright (c) 2005 Junio C Hamano
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#
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case "$0" in
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*-revert* )
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test -t 0 && edit=-e
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replay=
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me=revert
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USAGE='[--edit | --no-edit] [-n] <commit-ish>' ;;
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*-cherry-pick* )
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replay=t
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edit=
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me=cherry-pick
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USAGE='[--edit] [-n] [-r] [-x] <commit-ish>' ;;
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* )
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die "What are you talking about?" ;;
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esac
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. git-sh-setup
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no_commit=
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while case "$#" in 0) break ;; esac
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do
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case "$1" in
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-n|--n|--no|--no-|--no-c|--no-co|--no-com|--no-comm|\
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--no-commi|--no-commit)
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no_commit=t
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;;
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-e|--e|--ed|--edi|--edit)
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edit=-e
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;;
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--n|--no|--no-|--no-e|--no-ed|--no-edi|--no-edit)
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edit=
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;;
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-r)
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: no-op ;;
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-x|--i-really-want-to-expose-my-private-commit-object-name)
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replay=
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;;
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-*)
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usage
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;;
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*)
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break
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;;
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esac
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shift
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done
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test "$me,$replay" = "revert,t" && usage
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case "$no_commit" in
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t)
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# We do not intend to commit immediately. We just want to
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# merge the differences in.
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head=$(git-write-tree) ||
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die "Your index file is unmerged."
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;;
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*)
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head=$(git-rev-parse --verify HEAD) ||
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die "You do not have a valid HEAD"
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files=$(git-diff-index --cached --name-only $head) || exit
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if [ "$files" ]; then
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die "Dirty index: cannot $me (dirty: $files)"
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fi
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;;
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esac
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rev=$(git-rev-parse --verify "$@") &&
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commit=$(git-rev-parse --verify "$rev^0") ||
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die "Not a single commit $@"
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prev=$(git-rev-parse --verify "$commit^1" 2>/dev/null) ||
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die "Cannot run $me a root commit"
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git-rev-parse --verify "$commit^2" >/dev/null 2>&1 &&
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die "Cannot run $me a multi-parent commit."
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# "commit" is an existing commit. We would want to apply
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# the difference it introduces since its first parent "prev"
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# on top of the current HEAD if we are cherry-pick. Or the
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# reverse of it if we are revert.
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case "$me" in
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revert)
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git-rev-list --pretty=oneline --max-count=1 $commit |
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sed -e '
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s/^[^ ]* /Revert "/
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s/$/"/'
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echo
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echo "This reverts commit $commit."
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test "$rev" = "$commit" ||
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echo "(original 'git revert' arguments: $@)"
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base=$commit next=$prev
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;;
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cherry-pick)
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pick_author_script='
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/^author /{
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s/'\''/'\''\\'\'\''/g
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h
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s/^author \([^<]*\) <[^>]*> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_NAME='\''&'\''/p
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g
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s/^author [^<]* <\([^>]*\)> .*$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
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g
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s/^author [^<]* <[^>]*> \(.*\)$/\1/
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s/'\''/'\''\'\'\''/g
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s/.*/GIT_AUTHOR_DATE='\''&'\''/p
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q
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}'
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set_author_env=`git-cat-file commit "$commit" |
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LANG=C LC_ALL=C sed -ne "$pick_author_script"`
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eval "$set_author_env"
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export GIT_AUTHOR_NAME
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export GIT_AUTHOR_EMAIL
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export GIT_AUTHOR_DATE
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git-cat-file commit $commit | sed -e '1,/^$/d'
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case "$replay" in
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'')
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echo "(cherry picked from commit $commit)"
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test "$rev" = "$commit" ||
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echo "(original 'git cherry-pick' arguments: $@)"
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;;
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esac
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base=$prev next=$commit
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;;
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esac >.msg
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# This three way merge is an interesting one. We are at
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# $head, and would want to apply the change between $commit
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# and $prev on top of us (when reverting), or the change between
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# $prev and $commit on top of us (when cherry-picking or replaying).
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echo >&2 "First trying simple merge strategy to $me."
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git-read-tree -m -u --aggressive $base $head $next &&
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result=$(git-write-tree 2>/dev/null) || {
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echo >&2 "Simple $me fails; trying Automatic $me."
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git-merge-index -o git-merge-one-file -a || {
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mv -f .msg "$GIT_DIR/MERGE_MSG"
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{
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echo '
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Conflicts:
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'
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git ls-files --unmerged |
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sed -e 's/^[^ ]* / /' |
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uniq
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} >>"$GIT_DIR/MERGE_MSG"
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echo >&2 "Automatic $me failed. After resolving the conflicts,"
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echo >&2 "mark the corrected paths with 'git-update-index <paths>'"
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echo >&2 "and commit the result."
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case "$me" in
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cherry-pick)
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echo >&2 "You may choose to use the following when making"
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echo >&2 "the commit:"
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echo >&2 "$set_author_env"
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esac
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exit 1
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}
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result=$(git-write-tree) || exit
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}
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echo >&2 "Finished one $me."
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# If we are cherry-pick, and if the merge did not result in
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# hand-editing, we will hit this commit and inherit the original
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# author date and name.
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# If we are revert, or if our cherry-pick results in a hand merge,
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# we had better say that the current user is responsible for that.
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case "$no_commit" in
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'')
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git-commit -n -F .msg $edit
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rm -f .msg
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;;
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esac
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