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[elpa] master 872014e: Prevent accidental deletion of .git


From: Thomas Fitzsimmons
Subject: [elpa] master 872014e: Prevent accidental deletion of .git
Date: Mon, 09 Nov 2015 01:31:25 +0000

branch: master
commit 872014ef2d67b377c9b59ae38265a982ca9db036
Author: Thomas Fitzsimmons <address@hidden>
Commit: Thomas Fitzsimmons <address@hidden>

    Prevent accidental deletion of .git
    
    * GNUmakefile (check_copyrights, process-archive, org-fetch)
    (%-autoloads.el): Use && after cd command.
---
 GNUmakefile |   17 ++++++++++++-----
 1 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/GNUmakefile b/GNUmakefile
index cc5be30..ad29cc6 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -14,7 +14,7 @@ CR_EXCEPTIONS=copyright_exceptions
 check_copyrights:
        @echo "Compute exceptions >$(CR_EXCEPTIONS)~"
        @export LC_ALL=C;                                               \
-       (cd packages;                                                   \
+       (cd packages &&                                                 \
        find . -name '.git' -prune -o                                   \
               -name 'test' -prune -o                                   \
               -name '*.el' -print0 |                                   \
@@ -40,14 +40,21 @@ archive-tmp: packages
        mkdir -p $(ARCHIVE_TMP)
        cp -a packages/. $(ARCHIVE_TMP)/packages
 
+# Use && after the cd commands, not ;, to ensure the build fails
+# immediately if the directory $(ARCHIVE_TMP)/packages does not exist.
+# For process-archive this is crucial; otherwise batch-make-archive in
+# archive-contents.el will interpret directories in the current
+# directory as unreleased packages, and recursively delete them,
+# including .git.  Prior to using &&, running "make process-archive"
+# could silently delete all local git history!
 process-archive:
        # FIXME, we could probably speed this up significantly with
        # rules like "%.tar: ../%/ChangeLog" so we only rebuild the packages
        # that have indeed changed.
-       cd $(ARCHIVE_TMP)/packages;                             \
+       cd $(ARCHIVE_TMP)/packages &&                           \
          $(EMACS) -l $(CURDIR)/admin/archive-contents.el       \
                   -f batch-make-archive
-       @cd $(ARCHIVE_TMP)/packages;                            \
+       @cd $(ARCHIVE_TMP)/packages &&                          \
          for pt in *; do                                       \
              if [ -f "$${pt}/.elpaignore" ]; then              \
                  ignore="$${pt}/.elpaignore";                  \
@@ -76,7 +83,7 @@ archive-full: archive-tmp org-fetch
 # FIXME: Turn it into an `external', which will require adding the notion of
 # "snapshot" packages.
 org-fetch: archive-tmp
-       cd $(ARCHIVE_TMP)/packages; \
+       cd $(ARCHIVE_TMP)/packages && \
        pkgname=`curl -s http://orgmode.org/elpa/|perl -ne 'push @f, $$1 if 
m/(org-\d{8})\.tar/; END { @f = sort @f; print "$$f[-1]\n"}'`; \
        wget -q http://orgmode.org/elpa/$${pkgname}.tar -O $${pkgname}.tar; \
        if [ -f $${pkgname}.tar ]; then \
@@ -123,7 +130,7 @@ autoloads := $(foreach pkg, $(pkgs), $(pkg)/$(notdir 
$(pkg))-autoloads.el)
 $(foreach al, $(autoloads), $(eval $(call RULE-srcdeps, $(al))))
 %-autoloads.el:
        @echo 'Generating autoloads for $@'
-       @cd $(dir $@); \
+       @cd $(dir $@) && \
          $(EMACS) -l $(CURDIR)/admin/archive-contents.el \
              --eval "(archive--refresh-pkg-file)" \
              --eval "(require 'package)" \



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