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-rwxr-xr-xgit-mergetool.sh195
1 files changed, 110 insertions, 85 deletions
diff --git a/git-mergetool.sh b/git-mergetool.sh
index bf862705d8..c062e3de3a 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -3,12 +3,13 @@
# This program resolves merge conflicts in git
#
# Copyright (c) 2006 Theodore Y. Ts'o
+# Copyright (c) 2009-2016 David Aguilar
#
# 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] ...'
+USAGE='[--tool=tool] [--tool-help] [-y|--no-prompt|--prompt] [-O<orderfile>] [file to merge] ...'
SUBDIRECTORY_OK=Yes
NONGIT_OK=Yes
OPTIONS_SPEC=
@@ -365,51 +366,6 @@ merge_file () {
return 0
}
-prompt=$(git config --bool mergetool.prompt)
-guessed_merge_tool=false
-
-while test $# != 0
-do
- case "$1" in
- --tool-help=*)
- TOOL_MODE=${1#--tool-help=}
- show_tool_help
- ;;
- --tool-help)
- show_tool_help
- ;;
- -t|--tool*)
- case "$#,$1" in
- *,*=*)
- merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)')
- ;;
- 1,*)
- usage ;;
- *)
- merge_tool="$2"
- shift ;;
- esac
- ;;
- -y|--no-prompt)
- prompt=false
- ;;
- --prompt)
- prompt=true
- ;;
- --)
- shift
- break
- ;;
- -*)
- usage
- ;;
- *)
- break
- ;;
- esac
- shift
-done
-
prompt_after_failed_merge () {
while true
do
@@ -426,57 +382,126 @@ prompt_after_failed_merge () {
done
}
-git_dir_init
-require_work_tree
+print_noop_and_exit () {
+ echo "No files need merging"
+ exit 0
+}
+
+main () {
+ prompt=$(git config --bool mergetool.prompt)
+ guessed_merge_tool=false
+ orderfile=
+
+ while test $# != 0
+ do
+ case "$1" in
+ --tool-help=*)
+ TOOL_MODE=${1#--tool-help=}
+ show_tool_help
+ ;;
+ --tool-help)
+ show_tool_help
+ ;;
+ -t|--tool*)
+ case "$#,$1" in
+ *,*=*)
+ merge_tool=$(expr "z$1" : 'z-[^=]*=\(.*\)')
+ ;;
+ 1,*)
+ usage ;;
+ *)
+ merge_tool="$2"
+ shift ;;
+ esac
+ ;;
+ -y|--no-prompt)
+ prompt=false
+ ;;
+ --prompt)
+ prompt=true
+ ;;
+ -O*)
+ orderfile="${1#-O}"
+ ;;
+ --)
+ shift
+ break
+ ;;
+ -*)
+ usage
+ ;;
+ *)
+ break
+ ;;
+ esac
+ shift
+ done
+
+ git_dir_init
+ require_work_tree
-if test -z "$merge_tool"
-then
- # Check if a merge tool has been configured
- merge_tool=$(get_configured_merge_tool)
- # Try to guess an appropriate merge tool if no tool has been set.
if test -z "$merge_tool"
then
- merge_tool=$(guess_merge_tool) || exit
- guessed_merge_tool=true
+ # Check if a merge tool has been configured
+ merge_tool=$(get_configured_merge_tool)
+ # Try to guess an appropriate merge tool if no tool has been set.
+ if test -z "$merge_tool"
+ then
+ merge_tool=$(guess_merge_tool) || exit
+ guessed_merge_tool=true
+ fi
fi
-fi
-merge_keep_backup="$(git config --bool mergetool.keepBackup || echo true)"
-merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)"
-
-files=
+ merge_keep_backup="$(git config --bool mergetool.keepBackup || echo true)"
+ merge_keep_temporaries="$(git config --bool mergetool.keepTemporaries || echo false)"
-if test $# -eq 0
-then
+ prefix=$(git rev-parse --show-prefix) || exit 1
cd_to_toplevel
- if test -e "$GIT_DIR/MERGE_RR"
+ if test -n "$orderfile"
then
- files=$(git rerere remaining)
- else
- files=$(git ls-files -u | sed -e 's/^[^ ]* //' | sort -u)
+ orderfile=$(
+ git rev-parse --prefix "$prefix" -- "$orderfile" |
+ sed -e 1d
+ )
fi
-else
- files=$(git ls-files -u -- "$@" | sed -e 's/^[^ ]* //' | sort -u)
-fi
-if test -z "$files"
-then
- echo "No files need merging"
- exit 0
-fi
+ if test $# -eq 0 && test -e "$GIT_DIR/MERGE_RR"
+ then
+ set -- $(git rerere remaining)
+ if test $# -eq 0
+ then
+ print_noop_and_exit
+ fi
+ elif test $# -ge 0
+ then
+ # rev-parse provides the -- needed for 'set'
+ eval "set $(git rev-parse --sq --prefix "$prefix" -- "$@")"
+ fi
-printf "Merging:\n"
-printf "%s\n" "$files"
+ files=$(git -c core.quotePath=false \
+ diff --name-only --diff-filter=U \
+ ${orderfile:+"-O$orderfile"} -- "$@")
-rc=0
-for i in $files
-do
- printf "\n"
- if ! merge_file "$i"
+ if test -z "$files"
then
- rc=1
- prompt_after_failed_merge || exit 1
+ print_noop_and_exit
fi
-done
-exit $rc
+ printf "Merging:\n"
+ printf "%s\n" "$files"
+
+ rc=0
+ for i in $files
+ do
+ printf "\n"
+ if ! merge_file "$i"
+ then
+ rc=1
+ prompt_after_failed_merge || exit 1
+ fi
+ done
+
+ exit $rc
+}
+
+main "$@"