diff options
| -rw-r--r-- | package/pkg-download.mk | 7 | ||||
| -rwxr-xr-x | support/download/git | 62 | 
2 files changed, 25 insertions, 44 deletions
diff --git a/package/pkg-download.mk b/package/pkg-download.mk index 66ce02c94f..1649c8340f 100644 --- a/package/pkg-download.mk +++ b/package/pkg-download.mk @@ -95,8 +95,11 @@ endef  # problems  define DOWNLOAD_GIT  	test -e $(DL_DIR)/$($(PKG)_SOURCE) || \ -	$(EXTRA_ENV) support/download/git $($(PKG)_SITE) $($(PKG)_DL_VERSION) \ -					  $($(PKG)_BASE_NAME) $(DL_DIR)/$($(PKG)_SOURCE) +	$(EXTRA_ENV) support/download/wrapper git \ +		$(DL_DIR)/$($(PKG)_SOURCE) \ +		$($(PKG)_SITE) \ +		$($(PKG)_DL_VERSION) \ +		$($(PKG)_BASE_NAME)  endef  # TODO: improve to check that the given PKG_DL_VERSION exists on the remote diff --git a/support/download/git b/support/download/git index 116e5a903a..6edaa90fe4 100755 --- a/support/download/git +++ b/support/download/git @@ -1,60 +1,38 @@  #!/bin/bash -# We want to catch any command failure, and exit immediately +# We want to catch any unexpected failure, and exit immediately  set -e -# Download helper for git -# Call it with: -#   $1: git repo -#   $2: git cset -#   $3: package's basename (eg. foobar-1.2.3) -#   $4: output file +# Download helper for git, to be called from the download wrapper script +# Expected arguments: +#   $1: output file +#   $2: git repo +#   $3: git cset +#   $4: package's basename (eg. foobar-1.2.3)  # And this environment:  #   GIT      : the git command to call -#   BUILD_DIR: path to Buildroot's build dir -repo="${1}" -cset="${2}" -basename="${3}" -output="${4}" +output="${1}" +repo="${2}" +cset="${3}" +basename="${4}" -repodir="${basename}.tmp-git-checkout" -tmp_tar="$( mktemp "${BUILD_DIR}/.XXXXXX" )" -tmp_output="$( mktemp "${output}.XXXXXX" )" - -# Play tic-tac-toe with temp files -# - first, we download to a trashable location (the build-dir) -# - then we create the uncomporessed tarball in tht same trashable location -# - then we create a temporary compressed tarball in the final location, so -#   it is on the same filesystem as the final file -# - finally, we atomically rename to the final file - -cd "${BUILD_DIR}" -# Remove leftovers from a previous failed run -rm -rf "${repodir}" - -git_done=0 +# Try to see if we can do a shallow clone, since it is faster +# than a full clone.  if [ -n "$(${GIT} ls-remote "${repo}" "${cset}" 2>&1)" ]; then      printf "Doing shallow clone\n" -    if ${GIT} clone --depth 1 -b "${cset}" --bare "${repo}" "${repodir}"; then +    if ${GIT} clone --depth 1 -b "${cset}" --bare "${repo}" "${basename}"; then          git_done=1 +    else +        printf "Shallow clone failed, falling back to doing a full clone\n"      fi  fi  if [ ${git_done} -eq 0 ]; then      printf "Doing full clone\n" -    ${GIT} clone --bare "${repo}" "${repodir}" +    ${GIT} clone --bare "${repo}" "${basename}"  fi -ret=1 -pushd "${repodir}" >/dev/null -if ${GIT} archive --prefix="${basename}/" -o "${tmp_tar}" \ -                  --format=tar "${cset}"; then -    if gzip -c "${tmp_tar}" >"${tmp_output}"; then -        mv "${tmp_output}" "${output}" -        ret=0 -    fi -fi -popd >/dev/null +GIT_DIR="${basename}" \ +${GIT} archive --prefix="${basename}/" -o "${output}" --format=tar "${cset}" -rm -rf "${repodir}" "${tmp_tar}" "${tmp_output}" -exit ${ret} +gzip "${output}"  | 

