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authorArnout Vandecappelle (Essensium/Mind) <arnout@mind.be>2012-11-01 01:21:05 (GMT)
committer Peter Korsgaard <jacmet@sunsite.dk>2012-11-03 23:55:35 (GMT)
commit3dd4bcf1eb55f957dba2351f3626933f06adb107 (patch)
tree0c4ed31dd05377af5ab652f55ebf000791527bb8
parentefc10eb6b87884f1f7917462d78af6953fcd99e3 (diff)
downloadbuildroot-3dd4bcf1eb55f957dba2351f3626933f06adb107.tar.gz
buildroot-3dd4bcf1eb55f957dba2351f3626933f06adb107.tar.bz2
pkg-download: Make a shallow clone for git downloads
When downloading from git, we clone the whole repository and then only use the latest commit. That's a lot of redundant stuff. So instead, make a shallow clone. Unfortunately that's only possible when downloading a branch or tag, so fall back to the old method if git gives an error. This speeds up the cloning of a linux git from more than 2 hours to 20 minutes on a 200KB/s link). Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Acked-by: Luca Ceresoli <luca@lucaceresoli.net> Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>
-rw-r--r--package/pkg-download.mk5
1 files changed, 4 insertions, 1 deletions
diff --git a/package/pkg-download.mk b/package/pkg-download.mk
index fa9a3e8..6c57244 100644
--- a/package/pkg-download.mk
+++ b/package/pkg-download.mk
@@ -73,10 +73,13 @@ domainseparator=$(if $(1),$(1),/)
# "external dependencies" of a given build configuration.
################################################################################
+# Try a shallow clone - but that only works if the version is a ref (tag or
+# branch). Fall back on a full clone if it's a generic sha1.
define DOWNLOAD_GIT
test -e $(DL_DIR)/$($(PKG)_SOURCE) || \
(pushd $(DL_DIR) > /dev/null && \
- $(GIT) clone --bare $($(PKG)_SITE) $($(PKG)_BASE_NAME) && \
+ ($(GIT) clone --depth 1 -b $($(PKG)_DL_VERSION) --bare $($(PKG)_SITE) $($(PKG)_BASE_NAME) || \
+ $(GIT) clone --bare $($(PKG)_SITE) $($(PKG)_BASE_NAME)) && \
pushd $($(PKG)_BASE_NAME) > /dev/null && \
$(GIT) archive --format=tar --prefix=$($(PKG)_BASE_NAME)/ $($(PKG)_DL_VERSION) | \
gzip -c > $(DL_DIR)/$($(PKG)_SOURCE) && \