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authorJürgen Hötzel <juergen@archlinux.org>2010-08-27 18:23:32 +0200
committerDan McGee <dan@archlinux.org>2010-08-27 13:07:57 -0500
commit38a60f49bdd7335f8e51e3d860653f5722771b96 (patch)
tree1b04413aa4a691e1998454dadf51cc1811ab52aa
parent693ebbd16bc1560ec3ec166d9944e44583141259 (diff)
Use pipe to create compressed package instead of an intermediate tar file
A pipe between tar and compression command is used. This improves performance by running tar and the compression command simultaneously. Using a pipe also reduces IO by not writing an intermediate tar file to disk. Signed-off-by: Juergen Hoetzel <juergen@archlinux.org> Signed-off-by: Dan McGee <dan@archlinux.org>
-rw-r--r--scripts/makepkg.sh.in25
1 files changed, 12 insertions, 13 deletions
diff --git a/scripts/makepkg.sh.in b/scripts/makepkg.sh.in
index dc720caa..aa85b85b 100644
--- a/scripts/makepkg.sh.in
+++ b/scripts/makepkg.sh.in
@@ -1032,26 +1032,25 @@ create_package() {
*) warning "$(gettext "'%s' is not a valid archive extension.")" \
"$PKGEXT" ; EXT=$PKGEXT ;;
esac
- local tar_file="$PKGDEST/${nameofpkg}-${pkgver}-${pkgrel}-${PKGARCH}${EXT}"
- local pkg_file="$PKGDEST/${nameofpkg}-${pkgver}-${pkgrel}-${PKGARCH}${PKGEXT}"
+ local pkg_file="$PKGDEST/${nameofpkg}-${pkgver}-${pkgrel}-${PKGARCH}${PKGEXT}"
local ret=0
# when fileglobbing, we want * in an empty directory to expand to
# the null string rather than itself
shopt -s nullglob
- bsdtar -cf - $comp_files * > "$tar_file" || ret=$?
- shopt -u nullglob
+ # TODO: Maybe this can be set globally for robustness
+ shopt -s -o pipefail
+ bsdtar -cf - $comp_files * |
+ case "$PKGEXT" in
+ *tar.gz) gzip -c -f -n ;;
+ *tar.bz2) bzip2 -c -f ;;
+ *tar.xz) xz -c -z - ;;
+ *tar) cat ;;
+ esac > ${pkg_file} || ret=$?
- if (( ! ret )); then
- case "$PKGEXT" in
- *tar.gz) gzip -f -n "$tar_file" ;;
- *tar.bz2) bzip2 -f "$tar_file" ;;
- *tar.xz) xz -z -f "$tar_file" ;;
- *tar) true ;;
- esac
- ret=$?
- fi
+ shopt -u nullglob
+ shopt -u -o pipefail
if (( ret )); then
error "$(gettext "Failed to create package file.")"