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Makefile: Make rules to succeed in any case and small improvements.
author Kai T. Ohlhus <k.ohlhus@gmail.com>
date Tue, 29 Jan 2019 17:03:21 +0100
parents d851f4f89fb4
children 7a664b44fd8d
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bfdbe4eb3128 * Makefile: automating deployment.
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1 USRNAME ?= $(shell bash -c 'read -p \
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2 "The Octave Savannah CVS repository is checked out to the parent directory. Savannah login: " usr; \
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3 echo $$usr')
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5 SAVANNAH_DIR := ../octave
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7 CVS_RSH=ssh
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9 export CVS_RSH
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11 CHECK_GEM := $(shell command -v gem 2> /dev/null)
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12 CHECK_JEKYLL := $(shell command -v jekyll 2> /dev/null)
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13 CHECK_JEKYLL_VERSION = $(shell jekyll --version | grep ^jekyll | sed 's/^.* //g')
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15 deploy: | $(SAVANNAH_DIR) check_prerequisites
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16 #
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17 # Build static website into the subdirectory `_site` using Jekyll
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18 #
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19 jekyll build
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20 #
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21 # vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
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22 # DANGEROUS STEP, omitted by default.
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23 #
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24 # Remove all previous files in the target directory, but no directories
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25 # at all or CVS related stuff. This is due to a limitation of CVS, see
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26 #
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27 # https://web.archive.org/web/20140629054602/http://ximbiot.com/cvs/manual/cvs-1.11.23/cvs_7.html#SEC69
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28 #
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29 # For some introduction to CVS, see
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30 # https://savannah.nongnu.org/projects/cvs
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31 # https://www.cs.umb.edu/~srevilak/cvs.html
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32 #
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33 # find $(SAVANNAH_DIR) -type f -not -path "*/CVS/*" -exec rm -f '{}' \;
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34 # ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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35 #
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36 # Copy the content of that directory `_site` into the checked out
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37 # Savannah CVS (see make target $(SAVANNAH_DIR)).
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38 #
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39 cp -a _site/. $(SAVANNAH_DIR)
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40 #
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41 # Add all potential new directories to CVS
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42 #
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43 cd $(SAVANNAH_DIR) \
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44 && find . -type d -not -name "CVS" -exec cvs add '{}' \; \
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45 | true # succeed in any case
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46 #
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47 # Add all potential new files to CVS (the following command taken from
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48 # http://stackoverflow.com/questions/5071/how-to-add-cvs-directories-recursively
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49 # proved to be fast) and succeed in any case.
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50 #
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51 cd $(SAVANNAH_DIR) && find . -type f | grep -v CVS | xargs cvs add | true
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52 #
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53 # Commit the changes to get online.
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54 #
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55 cd $(SAVANNAH_DIR) && cvs commit
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56 #
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57 # Now everything should be visible to the world.
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58 #
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59
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60 check_prerequisites:
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61 ifndef CHECK_GEM
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62 $(error "Command `gem` is not available please install rubygems")
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63 endif
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64 ifndef CHECK_JEKYLL
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65 $(error "Command `jekyll` is not available. ${CHECK_JEKYLL_VERSION} Try `gem install jekyll`")
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66 endif
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67 ifneq "3.3" "$(word 1, $(sort 3.3 $(CHECK_JEKYLL_VERSION)))"
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68 $(error "Detected Jekyll version ${CHECK_JEKYLL_VERSION} (>= 3.3 required).")
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69 endif
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70 @echo "All prerequisites fulfilled."
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72 $(SAVANNAH_DIR):
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73 cd .. \
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74 && cvs -z3 -d:ext:$(USRNAME)@cvs.savannah.gnu.org:/web/octave checkout -P octave
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75
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76 .DEFAULT_GOAL :=