upstream/mercurial-mirror Files · tests/test-mactext.t

help: adding a topic on flags...

help: adding a topic on flags This is a short topic to explain how command-line flags can be specified. Some users have been confused by hg offerring different flag syntax than some other libraries, so it'd be nice to point them to this rather than explaining it every time. Differential Revision: https://phab.mercurial-scm.org/D1270

Augie Fackler - - Load All Authors

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        $ cat > unix2mac.py <<EOF

        > import sys

        > 

        > for path in sys.argv[1:]:

        >     data = file(path, 'rb').read()

        >     data = data.replace('\n', '\r')

        >     file(path, 'wb').write(data)

        > EOF

        $ cat > print.py <<EOF

        > import sys

        > print(sys.stdin.read().replace('\n', '<LF>').replace('\r', '<CR>').replace('\0', '<NUL>'))

        > EOF

        $ hg init

        $ echo '[hooks]' >> .hg/hgrc

        $ echo 'pretxncommit.cr = python:hgext.win32text.forbidcr' >> .hg/hgrc

        $ echo 'pretxnchangegroup.cr = python:hgext.win32text.forbidcr' >> .hg/hgrc

        $ cat .hg/hgrc

        [hooks]

        pretxncommit.cr = python:hgext.win32text.forbidcr

        pretxnchangegroup.cr = python:hgext.win32text.forbidcr

        $ echo hello > f

        $ hg add f

        $ hg ci -m 1

        $ $PYTHON unix2mac.py f

        $ hg ci -m 2

        attempt to commit or push text file(s) using CR line endings

        in dea860dc51ec: f

        transaction abort!

        rollback completed

        abort: pretxncommit.cr hook failed

        [255]

        $ hg cat f | $PYTHON print.py

        hello<LF>

        $ cat f | $PYTHON print.py

        hello<CR>

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				$ cat > unix2mac.py <<EOF
				> import sys
				>
				> for path in sys.argv[1:]:
				> data = file(path, 'rb').read()
				> data = data.replace('\n', '\r')
				> file(path, 'wb').write(data)
				> EOF
				$ cat > print.py <<EOF
				> import sys
				> print(sys.stdin.read().replace('\n', '<LF>').replace('\r', '<CR>').replace('\0', '<NUL>'))
				> EOF
				$ hg init
				$ echo '[hooks]' >> .hg/hgrc
				$ echo 'pretxncommit.cr = python:hgext.win32text.forbidcr' >> .hg/hgrc
				$ echo 'pretxnchangegroup.cr = python:hgext.win32text.forbidcr' >> .hg/hgrc
				$ cat .hg/hgrc
				[hooks]
				pretxncommit.cr = python:hgext.win32text.forbidcr
				pretxnchangegroup.cr = python:hgext.win32text.forbidcr

				$ echo hello > f
				$ hg add f
				$ hg ci -m 1

				$ $PYTHON unix2mac.py f
				$ hg ci -m 2
				attempt to commit or push text file(s) using CR line endings
				in dea860dc51ec: f
				transaction abort!
				rollback completed
				abort: pretxncommit.cr hook failed
				[255]
				$ hg cat f \| $PYTHON print.py
				hello<LF>
				$ cat f \| $PYTHON print.py
				hello<CR>