Merge branch 'jn/contrib-remove-diffall'

Spring cleaning of contrib/.

* jn/contrib-remove-diffall:
  contrib: remove git-diffall
This commit is contained in:
Junio C Hamano 2014-06-06 11:23:46 -07:00
Родитель 067fe64355 502b0a1ad1
Коммит c8eb5d3309
2 изменённых файлов: 0 добавлений и 288 удалений

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@ -1,31 +0,0 @@
The git-diffall script provides a directory based diff mechanism
for git.
To determine what diff viewer is used, the script requires either
the 'diff.tool' or 'merge.tool' configuration option to be set.
This script is compatible with most common forms used to specify a
range of revisions to diff:
1. git diffall: shows diff between working tree and staged changes
2. git diffall --cached [<commit>]: shows diff between staged
changes and HEAD (or other named commit)
3. git diffall <commit>: shows diff between working tree and named
commit
4. git diffall <commit> <commit>: show diff between two named commits
5. git diffall <commit>..<commit>: same as above
6. git diffall <commit>...<commit>: show the changes on the branch
containing and up to the second, starting at a common ancestor
of both <commit>
Note: all forms take an optional path limiter [-- <path>*]
The '--extcmd=<command>' option allows the user to specify a custom
command for viewing diffs. When given, configured defaults are
ignored and the script runs $command $LOCAL $REMOTE. Additionally,
$BASE is set in the environment.
This script is based on an example provided by Thomas Rast on the
Git list [1]:
[1] http://thread.gmane.org/gmane.comp.version-control.git/124807

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#!/bin/sh
# Copyright 2010 - 2012, Tim Henigan <tim.henigan@gmail.com>
#
# Perform a directory diff between commits in the repository using
# the external diff or merge tool specified in the user's config.
USAGE='[--cached] [--copy-back] [-x|--extcmd=<command>] <commit>{0,2} [-- <path>*]
--cached Compare to the index rather than the working tree.
--copy-back Copy files back to the working tree when the diff
tool exits (in case they were modified by the
user). This option is only valid if the diff
compared with the working tree.
-x=<command>
--extcmd=<command> Specify a custom command for viewing diffs.
git-diffall ignores the configured defaults and
runs $command $LOCAL $REMOTE when this option is
specified. Additionally, $BASE is set in the
environment.
'
SUBDIRECTORY_OK=1
. "$(git --exec-path)/git-sh-setup"
TOOL_MODE=diff
. "$(git --exec-path)/git-mergetool--lib"
merge_tool="$(get_merge_tool)"
if test -z "$merge_tool"
then
echo "Error: Either the 'diff.tool' or 'merge.tool' option must be set."
usage
fi
start_dir=$(pwd)
# All the file paths returned by the diff command are relative to the root
# of the working copy. So if the script is called from a subdirectory, it
# must switch to the root of working copy before trying to use those paths.
cdup=$(git rev-parse --show-cdup) &&
cd "$cdup" || {
echo >&2 "Cannot chdir to $cdup, the toplevel of the working tree"
exit 1
}
# set up temp dir
tmp=$(perl -e 'use File::Temp qw(tempdir);
$t=tempdir("/tmp/git-diffall.XXXXX") or exit(1);
print $t') || exit 1
trap 'rm -rf "$tmp"' EXIT
left=
right=
paths=
dashdash_seen=
compare_staged=
merge_base=
left_dir=
right_dir=
diff_tool=
copy_back=
while test $# != 0
do
case "$1" in
-h|--h|--he|--hel|--help)
usage
;;
--cached)
compare_staged=1
;;
--copy-back)
copy_back=1
;;
-x|--e|--ex|--ext|--extc|--extcm|--extcmd)
if test $# = 1
then
echo You must specify the tool for use with --extcmd
usage
else
diff_tool=$2
shift
fi
;;
--)
dashdash_seen=1
;;
-*)
echo Invalid option: "$1"
usage
;;
*)
# could be commit, commit range or path limiter
case "$1" in
*...*)
left=${1%...*}
right=${1#*...}
merge_base=1
;;
*..*)
left=${1%..*}
right=${1#*..}
;;
*)
if test -n "$dashdash_seen"
then
paths="$paths$1 "
elif test -z "$left"
then
left=$1
elif test -z "$right"
then
right=$1
else
paths="$paths$1 "
fi
;;
esac
;;
esac
shift
done
# Determine the set of files which changed
if test -n "$left" && test -n "$right"
then
left_dir="cmt-$(git rev-parse --short $left)"
right_dir="cmt-$(git rev-parse --short $right)"
if test -n "$compare_staged"
then
usage
elif test -n "$merge_base"
then
git diff --name-only "$left"..."$right" -- $paths >"$tmp/filelist"
else
git diff --name-only "$left" "$right" -- $paths >"$tmp/filelist"
fi
elif test -n "$left"
then
left_dir="cmt-$(git rev-parse --short $left)"
if test -n "$compare_staged"
then
right_dir="staged"
git diff --name-only --cached "$left" -- $paths >"$tmp/filelist"
else
right_dir="working_tree"
git diff --name-only "$left" -- $paths >"$tmp/filelist"
fi
else
left_dir="HEAD"
if test -n "$compare_staged"
then
right_dir="staged"
git diff --name-only --cached -- $paths >"$tmp/filelist"
else
right_dir="working_tree"
git diff --name-only -- $paths >"$tmp/filelist"
fi
fi
# Exit immediately if there are no diffs
if test ! -s "$tmp/filelist"
then
exit 0
fi
if test -n "$copy_back" && test "$right_dir" != "working_tree"
then
echo "--copy-back is only valid when diff includes the working tree."
exit 1
fi
# Create the named tmp directories that will hold the files to be compared
mkdir -p "$tmp/$left_dir" "$tmp/$right_dir"
# Populate the tmp/right_dir directory with the files to be compared
while read name
do
if test -n "$right"
then
ls_list=$(git ls-tree $right "$name")
if test -n "$ls_list"
then
mkdir -p "$tmp/$right_dir/$(dirname "$name")"
git show "$right":"$name" >"$tmp/$right_dir/$name" || true
fi
elif test -n "$compare_staged"
then
ls_list=$(git ls-files -- "$name")
if test -n "$ls_list"
then
mkdir -p "$tmp/$right_dir/$(dirname "$name")"
git show :"$name" >"$tmp/$right_dir/$name"
fi
else
if test -e "$name"
then
mkdir -p "$tmp/$right_dir/$(dirname "$name")"
cp "$name" "$tmp/$right_dir/$name"
fi
fi
done < "$tmp/filelist"
# Populate the tmp/left_dir directory with the files to be compared
while read name
do
if test -n "$left"
then
ls_list=$(git ls-tree $left "$name")
if test -n "$ls_list"
then
mkdir -p "$tmp/$left_dir/$(dirname "$name")"
git show "$left":"$name" >"$tmp/$left_dir/$name" || true
fi
else
if test -n "$compare_staged"
then
ls_list=$(git ls-tree HEAD "$name")
if test -n "$ls_list"
then
mkdir -p "$tmp/$left_dir/$(dirname "$name")"
git show HEAD:"$name" >"$tmp/$left_dir/$name"
fi
else
mkdir -p "$tmp/$left_dir/$(dirname "$name")"
git show :"$name" >"$tmp/$left_dir/$name"
fi
fi
done < "$tmp/filelist"
LOCAL="$tmp/$left_dir"
REMOTE="$tmp/$right_dir"
if test -n "$diff_tool"
then
export BASE
eval $diff_tool '"$LOCAL"' '"$REMOTE"'
else
run_merge_tool "$merge_tool" false
fi
# Copy files back to the working dir, if requested
if test -n "$copy_back" && test "$right_dir" = "working_tree"
then
cd "$start_dir"
git_top_dir=$(git rev-parse --show-toplevel)
find "$tmp/$right_dir" -type f |
while read file
do
cp "$file" "$git_top_dir/${file#$tmp/$right_dir/}"
done
fi