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authorDavid Aguilar <davvid@gmail.com>2014-10-10 01:19:47 -0700
committerJunio C Hamano <gitster@pobox.com>2014-10-15 14:10:52 -0700
commit9c66cd3bd0a70b2cf56589a4df2cf63814270635 (patch)
treeecd669864fc4031ea10c7120fc06a19d3aa275c2 /git-mergetool.sh
parent76ee96a9b6f75e7d1c01e68ade72194179aa512d (diff)
mergetool: use more conservative temporary filenames
Avoid filenames with multiple dots so that overly-picky tools do
not misinterpret their extension.

Previously, foo/bar.ext in the worktree would result in e.g.

	./foo/bar.ext.BASE.1234.ext

This can be improved by having only a single .ext and using
underscore instead of dot so that the extension cannot be
misinterpreted.  The resulting path becomes:

	./foo/bar_BASE_1234.ext

Suggested-by: Sergio Ferrero <sferrero@ensoftcorp.com>
Helped-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'git-mergetool.sh')
-rwxr-xr-xgit-mergetool.sh16
1 files changed, 11 insertions, 5 deletions
diff --git a/git-mergetool.sh b/git-mergetool.sh
index 332528ff45..0ff6566a0e 100755
--- a/git-mergetool.sh
+++ b/git-mergetool.sh
@@ -228,11 +228,17 @@ merge_file () {
 		return 1
 	fi
 
-	ext="$$$(expr "$MERGED" : '.*\(\.[^/]*\)$')"
-	BACKUP="./$MERGED.BACKUP.$ext"
-	LOCAL="./$MERGED.LOCAL.$ext"
-	REMOTE="./$MERGED.REMOTE.$ext"
-	BASE="./$MERGED.BASE.$ext"
+	if BASE=$(expr "$MERGED" : '\(.*\)\.[^/]*$')
+	then
+		ext=$(expr "$MERGED" : '.*\(\.[^/]*\)$')
+	else
+		BASE=$MERGED
+		ext=
+	fi
+	BACKUP="./${BASE}_BACKUP_$$$ext"
+	LOCAL="./${BASE}_LOCAL_$$$ext"
+	REMOTE="./${BASE}_REMOTE_$$$ext"
+	BASE="./${BASE}_BASE_$$$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;}')