[PATCH] xfsprogs: simplify patch naming in libxfs-commit

[Eric Sandeen <sandeen@sandeen.net>]

Git already knows how to create a patch name from a commit,
no need to re-invent it with cats walking on keyboards,
entering obfuscated sed contests.  ;)

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
---

Untested, TBH - at least as part of the script.

The git command works on its own, given a commit id.

diff --git a/tools/libxfs-apply b/tools/libxfs-apply
index 4a8c8a6..09e8f40 100755
--- a/tools/libxfs-apply
+++ b/tools/libxfs-apply
@@ -223,26 +223,6 @@ apply_patch()
 	rm -f $_new_patch
 }
 
-# name a guilt patch. Code is lifted from guilt import-commit.
-name_patch()
-{
-	s=`git log --no-decorate --pretty=oneline -1 $1 | cut -c 42-`
-
-	# Try to convert the first line of the commit message to a
-	# valid patch name.
-	fname=`printf %s "$s" |  \
-			sed -e "s/&/and/g" -e "s/[ :]/_/g" -e "s,[/\\],-,g" \
-			    -e "s/['\\[{}]//g" -e 's/]//g' -e 's/\*/-/g' \
-			    -e 's/\?/-/g' -e 's/\.\.\.*/./g' -e 's/^\.//' \
-			    -e 's/\.patch$//' -e 's/\.$//' | tr A-Z a-z`
-
-	# Try harder to make it a legal commit name by
-	# removing all but a few safe characters.
-	fname=`echo $fname|tr -d -c _a-zA-Z0-9---/\\n`
-
-	echo $fname
-}
-
 # single patch is easy.
 if [ -z "$COMMIT_ID" ]; then
 	apply_patch $PATCH
@@ -274,7 +254,7 @@ for commit in $commit_list; do
 	# switch to source repo and pull commit into a patch file
 	pushd $REPO > /dev/null
 	git show $commit > $PATCH || usage "Bad source commit ID!"
-	patch_name=`name_patch $commit`
+	patch_name=`git log --format=format:"%f.patch" -1 $commit`
 	popd > /dev/null
 
 	apply_patch $PATCH $patch_name $commit

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