$ hg init test

  $ cd test

  $ echo a > a

  $ hg add a

  $ hg commit -m "test"

  $ hg history

  changeset:   0:acb14030fe0a

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     test

  $ hg tag ' '

  abort: tag names cannot consist entirely of whitespace

  $ hg tag "bleah"

  $ hg history

  changeset:   1:d4f0d2909abc

  tag:         tip

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag bleah for changeset acb14030fe0a

  changeset:   0:acb14030fe0a

  tag:         bleah

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     test

  $ echo foo >> .hgtags

  $ hg tag "bleah2" || echo "failed"

  abort: working copy of .hgtags is changed (please commit .hgtags manually)

  failed

  $ hg revert .hgtags

  $ hg tag -r 0 x y z y y z || echo "failed"

  abort: tag names must be unique

  failed

  $ hg tag tap nada dot tip null . || echo "failed"

  abort: the name 'tip' is reserved

  failed

  $ hg tag "bleah" || echo "failed"

  abort: tag 'bleah' already exists (use -f to force)

  failed

  $ hg tag "blecch" "bleah" || echo "failed"

  abort: tag 'bleah' already exists (use -f to force)

  failed

  $ hg tag --remove "blecch" || echo "failed"

  abort: tag 'blecch' does not exist

  failed

  $ hg tag --remove "bleah" "blecch" "blough" || echo "failed"

  abort: tag 'blecch' does not exist

  failed

  $ hg tag -r 0 "bleah0"

  $ hg tag -l -r 1 "bleah1"

  $ hg tag gack gawk gorp

  $ hg tag -f gack

  $ hg tag --remove gack gorp

  $ cat .hgtags

  acb14030fe0a21b60322c440ad2d20cf7685a376 bleah

  acb14030fe0a21b60322c440ad2d20cf7685a376 bleah0

  336fccc858a4eb69609a291105009e484a6b6b8d gack

  336fccc858a4eb69609a291105009e484a6b6b8d gawk

  336fccc858a4eb69609a291105009e484a6b6b8d gorp

  336fccc858a4eb69609a291105009e484a6b6b8d gack

  799667b6f2d9b957f73fa644a918c2df22bab58f gack

  799667b6f2d9b957f73fa644a918c2df22bab58f gack

  0000000000000000000000000000000000000000 gack

  336fccc858a4eb69609a291105009e484a6b6b8d gorp

  0000000000000000000000000000000000000000 gorp

  $ cat .hg/localtags

  d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1

  $ hg update 0

  0 files updated, 0 files merged, 1 files removed, 0 files unresolved

  $ hg tag "foobar"

  $ cat .hgtags

  acb14030fe0a21b60322c440ad2d20cf7685a376 foobar

  $ cat .hg/localtags

  d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1

  $ hg tag -l 'xx

  > newline'

  abort: '\n' cannot be used in a tag name

  $ hg tag -l 'xx:xx'

  abort: ':' cannot be used in a tag name

cloning local tags

  $ cd ..

  $ hg -R test log -r0:5

  changeset:   0:acb14030fe0a

  tag:         bleah

  tag:         bleah0

  tag:         foobar

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     test

  changeset:   1:d4f0d2909abc

  tag:         bleah1

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag bleah for changeset acb14030fe0a

  changeset:   2:336fccc858a4

  tag:         gawk

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag bleah0 for changeset acb14030fe0a

  changeset:   3:799667b6f2d9

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag gack, gawk, gorp for changeset 336fccc858a4

  changeset:   4:154eeb7c0138

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Added tag gack for changeset 799667b6f2d9

  changeset:   5:b4bb47aaff09

  user:        test

  date:        Thu Jan 01 00:00:00 1970 +0000

  summary:     Removed tag gack, gorp

  $ hg clone -q -rbleah1 test test1

  $ hg -R test1 parents --style=compact

  1[tip]   d4f0d2909abc   1970-01-01 00:00 +0000   test

    Added tag bleah for changeset acb14030fe0a

  $ hg clone -q -r5 test#bleah1 test2

  $ hg -R test2 parents --style=compact

  5[tip]   b4bb47aaff09   1970-01-01 00:00 +0000   test

    Removed tag gack, gorp

  $ hg clone -q -U test#bleah1 test3

  $ hg -R test3 parents --style=compact

  $ cd test

issue 601

  $ python << EOF

  > f = file('.hg/localtags'); last = f.readlines()[-1][:-1]; f.close()

  > f = file('.hg/localtags', 'w'); f.write(last); f.close()

  > EOF

  $ cat .hg/localtags; echo

  d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1

  $ hg tag -l localnewline

  $ cat .hg/localtags; echo

  d4f0d2909abc9290e2773c08837d70c1794e3f5a bleah1

  c2899151f4e76890c602a2597a650a72666681bf localnewline

  $ python << EOF

  > f = file('.hgtags'); last = f.readlines()[-1][:-1]; f.close()

  > f = file('.hgtags', 'w'); f.write(last); f.close()

  > EOF

  $ hg ci -m'broken manual edit of .hgtags'

  $ cat .hgtags; echo

  acb14030fe0a21b60322c440ad2d20cf7685a376 foobar

  $ hg tag newline

  $ cat .hgtags; echo

  acb14030fe0a21b60322c440ad2d20cf7685a376 foobar

  a0eea09de1eeec777b46f2085260a373b2fbc293 newline

tag and branch using same name

  $ hg branch tag-and-branch-same-name

  marked working directory as branch tag-and-branch-same-name

  $ hg ci -m"discouraged"

  $ hg tag tag-and-branch-same-name

  warning: tag tag-and-branch-same-name conflicts with existing branch name

test custom commit messages

  $ cat > $HGTMP/editor <<'__EOF__'

  > #!/bin/sh

  > echo "custom tag message" > "$1"

  > echo "second line" >> "$1"

  > __EOF__

  $ chmod +x "$HGTMP"/editor

  $ HGEDITOR="'$HGTMP'"/editor hg tag custom-tag -e

  $ hg log -l1 --template "{desc}\n"

  custom tag message

  second line