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Direktori : /proc/self/root/usr/libexec/git-core/ |
Current File : //proc/self/root/usr/libexec/git-core/git-mergetool |
#!/bin/sh # # This program resolves merge conflicts in git # # Copyright (c) 2006 Theodore Y. Ts'o # # This file is licensed under the GPL v2, or a later version # at the discretion of Junio C Hamano. # USAGE='[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [file to merge] ...' SUBDIRECTORY_OK=Yes OPTIONS_SPEC= TOOL_MODE=merge . git-sh-setup . git-mergetool--lib require_work_tree # Returns true if the mode reflects a symlink is_symlink () { test "$1" = 120000 } is_submodule () { test "$1" = 160000 } local_present () { test -n "$local_mode" } remote_present () { test -n "$remote_mode" } base_present () { test -n "$base_mode" } cleanup_temp_files () { if test "$1" = --save-backup then rm -rf -- "$MERGED.orig" test -e "$BACKUP" && mv -- "$BACKUP" "$MERGED.orig" rm -f -- "$LOCAL" "$REMOTE" "$BASE" else rm -f -- "$LOCAL" "$REMOTE" "$BASE" "$BACKUP" fi } describe_file () { mode="$1" branch="$2" file="$3" printf " {%s}: " "$branch" if test -z "$mode" then echo "deleted" elif is_symlink "$mode" then echo "a symbolic link -> '$(cat "$file")'" elif is_submodule "$mode" then echo "submodule commit $file" elif base_present then echo "modified file" else echo "created file" fi } resolve_symlink_merge () { while true do printf "Use (l)ocal or (r)emote, or (a)bort? " read ans || return 1 case "$ans" in [lL]*) git checkout-index -f --stage=2 -- "$MERGED" git add -- "$MERGED" cleanup_temp_files --save-backup return 0 ;; [rR]*) git checkout-index -f --stage=3 -- "$MERGED" git add -- "$MERGED" cleanup_temp_files --save-backup return 0 ;; [aA]*) return 1 ;; esac done } resolve_deleted_merge () { while true do if base_present then printf "Use (m)odified or (d)eleted file, or (a)bort? " else printf "Use (c)reated or (d)eleted file, or (a)bort? " fi read ans || return 1 case "$ans" in [mMcC]*) git add -- "$MERGED" cleanup_temp_files --save-backup return 0 ;; [dD]*) git rm -- "$MERGED" > /dev/null cleanup_temp_files return 0 ;; [aA]*) return 1 ;; esac done } resolve_submodule_merge () { while true do printf "Use (l)ocal or (r)emote, or (a)bort? " read ans || return 1 case "$ans" in [lL]*) if ! local_present then if test -n "$(git ls-tree HEAD -- "$MERGED")" then # Local isn't present, but it's a subdirectory git ls-tree --full-name -r HEAD -- "$MERGED" | git update-index --index-info || exit $? else test -e "$MERGED" && mv -- "$MERGED" "$BACKUP" git update-index --force-remove "$MERGED" cleanup_temp_files --save-backup fi elif is_submodule "$local_mode" then stage_submodule "$MERGED" "$local_sha1" else git checkout-index -f --stage=2 -- "$MERGED" git add -- "$MERGED" fi return 0 ;; [rR]*) if ! remote_present then if test -n "$(git ls-tree MERGE_HEAD -- "$MERGED")" then # Remote isn't present, but it's a subdirectory git ls-tree --full-name -r MERGE_HEAD -- "$MERGED" | git update-index --index-info || exit $? else test -e "$MERGED" && mv -- "$MERGED" "$BACKUP" git update-index --force-remove "$MERGED" fi elif is_submodule "$remote_mode" then ! is_submodule "$local_mode" && test -e "$MERGED" && mv -- "$MERGED" "$BACKUP" stage_submodule "$MERGED" "$remote_sha1" else test -e "$MERGED" && mv -- "$MERGED" "$BACKUP" git checkout-index -f --stage=3 -- "$MERGED" git add -- "$MERGED" fi cleanup_temp_files --save-backup return 0 ;; [aA]*) return 1 ;; esac done } stage_submodule () { path="$1" submodule_sha1="$2" mkdir -p "$path" || die "fatal: unable to create directory for module at $path" # Find $path relative to work tree work_tree_root=$(cd_to_toplevel && pwd) work_rel_path=$(cd "$path" && GIT_WORK_TREE="${work_tree_root}" git rev-parse --show-prefix ) test -n "$work_rel_path" || die "fatal: unable to get path of module $path relative to work tree" git update-index --add --replace --cacheinfo 160000 "$submodule_sha1" "${work_rel_path%/}" || die } checkout_staged_file () { tmpfile=$(expr \ "$(git checkout-index --temp --stage="$1" "$2" 2>/dev/null)" \ : '\([^ ]*\) ') if test $? -eq 0 -a -n "$tmpfile" then mv -- "$(git rev-parse --show-cdup)$tmpfile" "$3" else >"$3" fi } merge_file () { MERGED="$1" f=$(git ls-files -u -- "$MERGED") if test -z "$f" then if test ! -f "$MERGED" then echo "$MERGED: file not found" else echo "$MERGED: file does not need merging" fi return 1 fi ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')" BACKUP="./$MERGED.BACKUP.$ext" LOCAL="./$MERGED.LOCAL.$ext" REMOTE="./$MERGED.REMOTE.$ext" BASE="./$MERGED.BASE.$ext" base_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==1) print $1;}') local_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $1;}') remote_mode=$(git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $1;}') if is_submodule "$local_mode" || is_submodule "$remote_mode" then echo "Submodule merge conflict for '$MERGED':" local_sha1=$(git ls-files -u -- "$MERGED" | awk '{if ($3==2) print $2;}') remote_sha1=$(git ls-files -u -- "$MERGED" | awk '{if ($3==3) print $2;}') describe_file "$local_mode" "local" "$local_sha1" describe_file "$remote_mode" "remote" "$remote_sha1" resolve_submodule_merge return fi mv -- "$MERGED" "$BACKUP" cp -- "$BACKUP" "$MERGED" checkout_staged_file 1 "$MERGED" "$BASE" checkout_staged_file 2 "$MERGED" "$LOCAL" checkout_staged_file 3 "$MERGED" "$REMOTE" if test -z "$local_mode" -o -z "$remote_mode" then echo "Deleted merge conflict for '$MERGED':" describe_file "$local_mode" "local" "$LOCAL" describe_file "$remote_mode" "remote" "$REMOTE" resolve_deleted_merge return fi if is_symlink "$local_mode" || is_symlink "$remote_mode" then echo "Symbolic link merge conflict for '$MERGED':" describe_file "$local_mode" "local" "$LOCAL" describe_file "$remote_mode" "remote" "$REMOTE" resolve_symlink_merge return fi echo "Normal merge conflict for '$MERGED':" describe_file "$local_mode" "local" "$LOCAL" describe_file "$remote_mode" "remote" "$REMOTE" if "$prompt" = true then printf "Hit return to start merge resolution tool (%s): " "$merge_tool" read ans || return 1 fi if base_present then present=true else present=false fi if ! run_merge_tool "$merge_tool" "$present" then echo "merge of $MERGED failed" 1>&2 mv -- "$BACKUP" "$MERGED" if test "$merge_keep_temporaries" = "false" then cleanup_temp_files fi return 1 fi if test "$merge_keep_backup" = "true" then mv -- "$BACKUP" "$MERGED.orig" else rm -- "$BACKUP" fi git add -- "$MERGED" cleanup_temp_files return 0 } prompt=$(git config --bool mergetool.prompt || echo true) while test $# != 0 do case "$1" in --tool-help) show_tool_help ;; -t|--tool*) case "$#,$1" in *,*=*) merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)') ;; 1,*) usage ;; *) merge_tool="$2" shift ;; esac ;; -y|--no-prompt) prompt=false ;; --prompt) prompt=true ;; --) shift break ;; -*) usage ;; *) break ;; esac shift done prompt_after_failed_merge () { while true do printf "Continue merging other unresolved paths (y/n) ? " read ans || return 1 case "$ans" in [yY]*) return 0 ;; [nN]*) return 1 ;; esac done } if test -z "$merge_tool" then merge_tool=$(get_merge_tool "$merge_tool") || exit fi merge_keep_backup="$(git config --bool mergetool.keepBackup || echo true)" merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)" last_status=0 rollup_status=0 files= if test $# -eq 0 then cd_to_toplevel if test -e "$GIT_DIR/MERGE_RR" then files=$(git rerere remaining) else files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u) fi else files=$(git ls-files -u -- "$@" | sed -e 's/^[^ ]* //' | sort -u) fi if test -z "$files" then echo "No files need merging" exit 0 fi printf "Merging:\n" printf "%s\n" "$files" IFS=' ' for i in $files do if test $last_status -ne 0 then prompt_after_failed_merge || exit 1 fi printf "\n" merge_file "$i" last_status=$? if test $last_status -ne 0 then rollup_status=1 fi done exit $rollup_status