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| author | Dave Reisner <dreisner@archlinux.org> | 2014-12-31 20:33:31 +0100 |
|---|---|---|
| committer | Allan McRae <allan@archlinux.org> | 2015-01-02 12:43:28 +0100 |
| commit | ca5a2771aeb0babca8270b83b0cb0172db4cebe5 (patch) | |
| tree | 86d763975a43c2fc4487e4a726639b30827785fb | |
| parent | 39fe2d0e39956961bdcb9c4bd78ca11247f044bd (diff) | |
| download | pacman-ca5a2771aeb0babca8270b83b0cb0172db4cebe5.tar.gz pacman-ca5a2771aeb0babca8270b83b0cb0172db4cebe5.tar.xz | |
updpkgsums: retain permissions on rewritten PKGBUILD
This could have been easy with something like chown's --reference flag,
but this is GNU specific. Instead, just truncate and rewrite the file.
Our exit trap cleans up after us.
Fixes: https://bugs.archlinux.org/task/43272
Signed-off-by: Allan McRae <allan@archlinux.org>
| -rw-r--r-- | contrib/updpkgsums.sh.in | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/contrib/updpkgsums.sh.in b/contrib/updpkgsums.sh.in index b0d2d69e..7b92efe3 100644 --- a/contrib/updpkgsums.sh.in +++ b/contrib/updpkgsums.sh.in @@ -82,9 +82,6 @@ fi export BUILDDIR=$(mktemp -d --tmpdir updpkgsums.XXXXXX) newbuildfile=$(mktemp --tmpdir updpkgsums.XXXXXX) -# In case the eventual replacement fails, we don't want to leave behind -# $newbuildfile as garbage in $TMPDIR. This fails silently if the replacement -# succeeds. trap "rm -rf '$BUILDDIR' '$newbuildfile'" EXIT newsums=$(makepkg -g -p "$buildfile") || die 'Failed to generate new checksums' awk -v newsums="$newsums" ' @@ -100,8 +97,9 @@ awk -v newsums="$newsums" ' END { if (!w) print newsums } ' "$buildfile" > "$newbuildfile" || die 'Failed to write new PKGBUILD' -# Replace the original buildfile. -if ! mv -- "$newbuildfile" "$buildfile"; then +# Rewrite the original buildfile. Use cat instead of mv/cp to preserve +# permissions implicitly. +if ! cat -- "$newbuildfile" >"$buildfile"; then die "Failed to update %s. The file has not been modified." "$buildfile" fi |