threads / patch / 1023

patchgit-merge-one-file-script: do not misinterpret rm failure

Subject: [PATCH] git-merge-one-file-script: do not misinterpret rm failure

## tl;dr

One message between Jun 25, 2005 and Jun 25, 2005. Diffs are folded; open one to read it.

replies: 0people: 1as markdown or json

Junio C Hamano· Jun 25, 2005, 06:20 UTC · lore

When a merge adds a file DF and removes a directory there by deleting a path DF/DF, git-merge-one-file-script can be called for the removal of DF/DF when the path DF is already created by "git-read-tree -m -u". When this happens, we get confused by a failure return from 'rm -f -- "$4"' (where $4 is DF/DF); finding file DF there the "rm -f" command complains that DF is not a directory.

What we want to ensure is that there is no file DF/DF in this case. Avoid getting ourselves confused by first checking if there is a file, and only then try to remove it (and check for failure from the "rm" command).

Signed-off-by: Junio C Hamano <junkio@cox.net>
---
cd /opt/packrat/playpen/public/in-place/git/git.junio/
jit-diff : git-merge-one-file-script
# - master: Add more tests for read-tree --emu23.
# + (working tree)
Show changes to git-merge-one-file-script +5 −2
diff --git a/git-merge-one-file-script b/git-merge-one-file-script
--- a/git-merge-one-file-script
+++ b/git-merge-one-file-script
@@ -22,8 +22,11 @@ case "${1:-.}${2:-.}${3:-.}" in
 #
 "$1.." | "$1.$1" | "$1$1.")
 	echo "Removing $4"
-	rm -f -- "$4" &&
-		exec git-update-cache --remove -- "$4"
+	if test -f "$4"
+	then
+		rm -f -- "$4"
+	fi &&
+	exec git-update-cache --remove -- "$4"
 	;;
 
 #

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