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* Makefile.in: Don't always insist on removing existing "ChangeLog".

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(CHANGELOG): New variable.
(no-ChangeLog): Remove.
(ChangeLog): Replace "no-ChangeLog"; pass output file to script.
(change-history-nocommit): Use a temp file rather than insisting
on deletion of any existing "ChangeLog".
This commit is contained in:
Glenn Morris 2015-05-06 21:40:28 -04:00
parent 3839884420
commit 09b872dff4
1 changed files with 12 additions and 7 deletions
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19
Makefile.in
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@ -1089,15 +1089,21 @@ bootstrap: bootstrap-clean
$(MAKE) all
.PHONY: ChangeLog change-history change-history-commit change-history-nocommit
.PHONY: master-branch-is-current no-ChangeLog unchanged-history-files
.PHONY: master-branch-is-current unchanged-history-files
# The newest revision that should not appear in the generated ChangeLog.
gen_origin = 2c1b8604946efbcd8ec5dd6c6dda7541ce4fc3c0
CHANGELOG =
# Convert git commit log to ChangeLog file. make-dist uses this.
# I guess this is PHONY because it generates in distprefix (which is
# non-nil when called from make-dist)?
# FIXME: test -f does not respect distprefix.
ChangeLog:
@[ -n "${CHANGELOG}" ] || test ! -f ChangeLog
$(AM_V_GEN)distprefix=$(distprefix) srcprefix=$(srcdir)/ \
$(srcdir)/build-aux/gitlog-to-emacslog $(gen_origin)
$(srcdir)/build-aux/gitlog-to-emacslog $(gen_origin) $(CHANGELOG)
# The ChangeLog history files are called ChangeLog.1, ChangeLog.2, ...,
# ChangeLog.$(CHANGELOG_HISTORY_INDEX_MAX). $(CHANGELOG_N) stands for
@ -1106,8 +1112,6 @@ CHANGELOG_HISTORY_INDEX_MAX = 2
CHANGELOG_N = ChangeLog.$(CHANGELOG_HISTORY_INDEX_MAX)
# Check that we are in a good state for changing history.
no-ChangeLog:
test ! -f ChangeLog
master-branch-is-current:
git branch | grep -q '^\* master$$'
unchanged-history-files:
@ -1116,10 +1120,11 @@ unchanged-history-files:
# Copy newer commit messages to the start of the ChangeLog history file,
# and consider them to be older.
change-history-nocommit: no-ChangeLog master-branch-is-current \
unchanged-history-files ChangeLog
(sed '/^;; [L]ocal Variables:/,$$d' <ChangeLog && cat $(CHANGELOG_N)) \
change-history-nocommit: master-branch-is-current unchanged-history-files
$(MAKE) ChangeLog CHANGELOG=ChangeLog.tmp
(sed '/^;; [L]ocal Variables:/,$$d' <ChangeLog.tmp && cat $(CHANGELOG_N)) \
>$(CHANGELOG_N).tmp
rm ChangeLog.tmp
new_origin=$$(git log --pretty=format:%H HEAD^!) && \
sed 's/^\(gen_origin *= *\).*/\1'"$$new_origin/" \
<Makefile.in >Makefile.in.tmp