09d9d1a648
This change makes the implementation of git-external-diff-script cleaner. Signed-off-by: Junio C Hamano <junkio@cox.net> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
68 lines
1.5 KiB
Bash
68 lines
1.5 KiB
Bash
#!/bin/sh
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# Copyright (C) 2005 Junio C Hamano
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#
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# This script is designed to emulate what the built-in diff driver
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# does when set as GIT_EXTERNAL_SCRIPT.
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case "$#" in
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1)
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echo "* Unmerged path $1"
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exit 0 ;;
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*)
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name1="$1" tmp1="$2" hex1="$3" mode1="$4" tmp2="$5" hex2="$6" mode2="$7"
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case "$#" in
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7)
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name2="$name1" ;;
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9)
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name2="$8" xfrm_msg="$9" ;;
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esac ;;
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esac
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show_create () {
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name_="$1" tmp_="$2" hex_="$3" mode_="$4"
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echo "diff --git a/$name_ b/$name_"
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echo "new file mode $mode_"
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diff ${GIT_DIFF_OPTS-'-pu'} -L /dev/null -L "b/$name_" /dev/null "$tmp_"
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}
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show_delete () {
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name_="$1" tmp_="$2" hex_="$3" mode_="$4"
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echo "diff --git a/$name_ b/$name_"
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echo "deleted file mode $mode_"
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diff ${GIT_DIFF_OPTS-'-pu'} -L "a/$name_" -L /dev/null "$tmp_" /dev/null
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}
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case "$mode1" in
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120*) type1=l ;;
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100*) type1=f ;;
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.) show_create "$name2" "$tmp2" "$hex2" "$mode2"
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exit 0 ;;
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esac
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case "$mode2" in
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120*) type2=l ;;
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100*) type2=f ;;
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.) show_delete "$name1" "$tmp1" "$hex1" "$mode1"
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exit 0 ;;
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esac
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if test "$type1" != "$type2"
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then
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show_delete "$name1" "$tmp1" "$hex1" "$mode1"
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show_create "$name2" "$tmp2" "$hex2" "$mode2"
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exit 0
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fi
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echo diff --git "a/$name1" "b/$name2"
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if test "$mode1" != "$mode2"
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then
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echo "old mode $mode1"
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echo "new mode $mode2"
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if test "$xfrm_msg" != ""
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then
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echo "$xfrm_msg"
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fi
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fi
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diff ${GIT_DIFF_OPTS-'-pu'} -L "a/$name1" -L "b/$name2" "$tmp1" "$tmp2"
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exit 0
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