Feature update mechanism

numapde-merge-bibliography hat nun den Schalter --update:

1. aktualisierte arxive und doi Einträge werden an der ursprünglichen Stelle in der Bibliothek ergänzt
2. neue Einträge werden am Ende hinzugefügt (wie das ursprüngliche merge)
3. Geänderte Autoren erzeugen eine Fehlermeldung auf der Kommandzeile und werden im update ignoriert.

added 1 commit

• a41324e5 - add test data

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added 10 commits

• d852c810 - use git for difference detection
• cb64e754 - test the update routine using git diff
• 1e42978e - issue #24 (closed): call canonicalize on the updated entries
• fb310e5c - also canonicalize the new entries
• 22872b21 - the canonicalize script does not work with empty libraries. so check that before
• f3a35a5c - provide a hook to protect the test data
• 7750bece - provide a hook to protect the test data
• 1378517a - test the return codes and print more useful intermediate messages about what was tested
• c38688fd - grep returns true if it found a match, so break in that case. Furthermore git...
• 7ce6d610 - short documentation of the hook script

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added 1 commit

• 0490dabd - removes hooks and test directories

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merged

mentioned in commit 2da02ee8