[Buildroot] [PATCH 1/1] support/download/git: Prioritize remote archive
Benjamin Kamath
kamath.ben at gmail.com
Wed Aug 17 19:10:16 UTC 2016
Attempt to do a remote archive since it shortcuts us past a few steps when
available. Additionally. if the git server has uploadArchive.allowUnreachable
set to true, then this method can also work on arbitrary sha1s, offering a huge
speed advantage over a full clone.
Signed-off-by: Benjamin Kamath <kamath.ben at gmail.com>
---
support/download/git | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/support/download/git b/support/download/git
index 416cd1b..043a6de 100755
--- a/support/download/git
+++ b/support/download/git
@@ -36,6 +36,15 @@ _git() {
eval ${GIT} "${@}"
}
+# Try a remote archive, since it is as fast as a shallow clone and can give us
+# an archive directly. Also, if uploadArchive.allowUnreachable is set to true
+# on the remote, this will also work for arbitrary sha1s, and will offer a
+# considerable speedup over a full clone.
+printf "Doing remote archive\n"
+if _git archive --format=tar.gz --prefix=${basename}/ --remote=${repo} -o ${output} ${cset} 2>&1; then
+ exit 0
+fi
+
# Try a shallow clone, since it is faster than a full clone - but that only
# works if the version is a ref (tag or branch). Before trying to do a shallow
# clone we check if ${cset} is in the list provided by git ls-remote. If not
--
2.7.4
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