author | Toshi MARUYAMA <marutosijp2@gmail.com> |
Mon, 12 Jun 2017 03:23:56 +0900 | |
changeset 32776 | 0f55adb73e14 |
parent 32541 | 3b569745af6c |
child 32940 | 75be14993fda |
permissions | -rw-r--r-- |
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$ cat >> fakepager.py <<EOF |
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> import sys |
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> printed = False |
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> for line in sys.stdin: |
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> sys.stdout.write('paged! %r\n' % line) |
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> printed = True |
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> if not printed: |
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> sys.stdout.write('paged empty output!\n') |
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> EOF |
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Enable ui.formatted because pager won't fire without it, and set up |
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pager and tell it to use our fake pager that lets us see when the |
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pager was running. |
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$ cat >> $HGRCPATH <<EOF |
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> [ui] |
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> formatted = yes |
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> color = no |
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> [pager] |
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> pager = python $TESTTMP/fakepager.py |
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> EOF |
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$ hg init repo |
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$ cd repo |
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$ echo a >> a |
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$ hg add a |
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$ hg ci -m 'add a' |
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$ for x in `python $TESTDIR/seq.py 1 10`; do |
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> echo a $x >> a |
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> hg ci -m "modify a $x" |
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> done |
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By default diff and log are paged, but id is not: |
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$ hg diff -c 2 --pager=yes |
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paged! 'diff -r f4be7687d414 -r bce265549556 a\n' |
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paged! '--- a/a\tThu Jan 01 00:00:00 1970 +0000\n' |
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paged! '+++ b/a\tThu Jan 01 00:00:00 1970 +0000\n' |
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paged! '@@ -1,2 +1,3 @@\n' |
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paged! ' a\n' |
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paged! ' a 1\n' |
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paged! '+a 2\n' |
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$ hg log --limit 2 |
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paged! 'changeset: 10:46106edeeb38\n' |
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paged! 'tag: tip\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 10\n' |
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paged! '\n' |
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paged! 'changeset: 9:6dd8ea7dd621\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 9\n' |
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paged! '\n' |
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$ hg id |
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46106edeeb38 tip |
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We can control the pager from the config |
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$ hg log --limit 1 --config 'ui.paginate=False' |
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changeset: 10:46106edeeb38 |
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tag: tip |
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user: test |
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date: Thu Jan 01 00:00:00 1970 +0000 |
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summary: modify a 10 |
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$ hg log --limit 1 --config 'ui.paginate=0' |
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changeset: 10:46106edeeb38 |
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tag: tip |
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user: test |
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date: Thu Jan 01 00:00:00 1970 +0000 |
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summary: modify a 10 |
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$ hg log --limit 1 --config 'ui.paginate=1' |
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paged! 'changeset: 10:46106edeeb38\n' |
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paged! 'tag: tip\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 10\n' |
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paged! '\n' |
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We can enable the pager on id: |
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BROKEN: should be paged |
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$ hg --config pager.attend-id=yes id |
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46106edeeb38 tip |
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Setting attend-$COMMAND to a false value works, even with pager in |
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core: |
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$ hg --config pager.attend-diff=no diff -c 2 |
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diff -r f4be7687d414 -r bce265549556 a |
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--- a/a Thu Jan 01 00:00:00 1970 +0000 |
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+++ b/a Thu Jan 01 00:00:00 1970 +0000 |
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@@ -1,2 +1,3 @@ |
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a |
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a 1 |
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+a 2 |
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Command aliases should have same behavior as main command |
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$ hg history --limit 2 |
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paged! 'changeset: 10:46106edeeb38\n' |
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paged! 'tag: tip\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 10\n' |
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paged! '\n' |
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paged! 'changeset: 9:6dd8ea7dd621\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 9\n' |
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paged! '\n' |
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Abbreviated command alias should also be paged |
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$ hg hist -l 1 |
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paged! 'changeset: 10:46106edeeb38\n' |
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paged! 'tag: tip\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 10\n' |
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paged! '\n' |
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Attend for an abbreviated command does not work |
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$ hg --config pager.attend-ident=true ident |
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46106edeeb38 tip |
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$ hg --config extensions.pager= --config pager.attend-ident=true ident |
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46106edeeb38 tip |
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Pager should not start if stdout is not a tty. |
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$ hg log -l1 -q --config ui.formatted=False |
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10:46106edeeb38 |
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Pager should be disabled if pager.pager is empty (otherwise the output would |
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be silently lost.) |
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$ hg log -l1 -q --config pager.pager= |
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10:46106edeeb38 |
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Pager with color enabled allows colors to come through by default, |
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even though stdout is no longer a tty. |
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$ cat >> $HGRCPATH <<EOF |
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> [ui] |
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> color = always |
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> [color] |
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> mode = ansi |
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> EOF |
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$ hg log --limit 3 |
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paged! '\x1b[0;33mchangeset: 10:46106edeeb38\x1b[0m\n' |
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paged! 'tag: tip\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 10\n' |
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paged! '\n' |
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paged! '\x1b[0;33mchangeset: 9:6dd8ea7dd621\x1b[0m\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 9\n' |
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paged! '\n' |
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paged! '\x1b[0;33mchangeset: 8:cff05a6312fe\x1b[0m\n' |
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paged! 'user: test\n' |
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paged! 'date: Thu Jan 01 00:00:00 1970 +0000\n' |
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paged! 'summary: modify a 8\n' |
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paged! '\n' |
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An invalid pager command name is reported sensibly if we don't have to |
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use shell=True in the subprocess call: |
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$ hg log --limit 3 --config pager.pager=this-command-better-never-exist |
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missing pager command 'this-command-better-never-exist', skipping pager |
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\x1b[0;33mchangeset: 10:46106edeeb38\x1b[0m (esc) |
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tag: tip |
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user: test |
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date: Thu Jan 01 00:00:00 1970 +0000 |
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summary: modify a 10 |
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\x1b[0;33mchangeset: 9:6dd8ea7dd621\x1b[0m (esc) |
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user: test |
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date: Thu Jan 01 00:00:00 1970 +0000 |
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summary: modify a 9 |
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\x1b[0;33mchangeset: 8:cff05a6312fe\x1b[0m (esc) |
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user: test |
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date: Thu Jan 01 00:00:00 1970 +0000 |
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summary: modify a 8 |
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A complicated pager command gets worse behavior. Bonus points if you can |
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improve this. |
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$ hg log --limit 3 \ |
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> --config pager.pager='this-command-better-never-exist --seriously' \ |
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> 2>/dev/null || true |
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Pager works with shell aliases. |
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$ cat >> $HGRCPATH <<EOF |
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> [alias] |
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> echoa = !echo a |
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> EOF |
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$ hg echoa |
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a |
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BROKEN: should be paged |
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$ hg --config pager.attend-echoa=yes echoa |
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a |
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209 |
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Pager works with hg aliases including environment variables. |
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211 |
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$ cat >> $HGRCPATH <<'EOF' |
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> [alias] |
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> printa = log -T "$A\n" -r 0 |
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> EOF |
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216 |
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$ A=1 hg --config pager.attend-printa=yes printa |
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paged! '1\n' |
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$ A=2 hg --config pager.attend-printa=yes printa |
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paged! '2\n' |
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Something that's explicitly attended is still not paginated if the |
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pager is globally set to off using a flag: |
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$ A=2 hg --config pager.attend-printa=yes printa --pager=no |
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2 |
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|
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Pager should not override the exit code of other commands |
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||
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$ cat >> $TESTTMP/fortytwo.py <<'EOF' |
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> from mercurial import commands, registrar |
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> cmdtable = {} |
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> command = registrar.command(cmdtable) |
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> @command('fortytwo', [], 'fortytwo', norepo=True) |
234 |
> def fortytwo(ui, *opts): |
|
235 |
> ui.write('42\n') |
|
236 |
> return 42 |
|
237 |
> EOF |
|
238 |
||
239 |
$ cat >> $HGRCPATH <<'EOF' |
|
240 |
> [extensions] |
|
241 |
> fortytwo = $TESTTMP/fortytwo.py |
|
242 |
> EOF |
|
243 |
||
244 |
$ hg fortytwo --pager=on |
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paged! '42\n' |
|
246 |
[42] |
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247 |
|
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A command that asks for paging using ui.pager() directly works: |
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$ hg blame a |
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paged! ' 0: a\n' |
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paged! ' 1: a 1\n' |
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paged! ' 2: a 2\n' |
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paged! ' 3: a 3\n' |
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paged! ' 4: a 4\n' |
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paged! ' 5: a 5\n' |
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paged! ' 6: a 6\n' |
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paged! ' 7: a 7\n' |
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paged! ' 8: a 8\n' |
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paged! ' 9: a 9\n' |
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paged! '10: a 10\n' |
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but not with HGPLAIN |
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$ HGPLAIN=1 hg blame a |
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0: a |
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1: a 1 |
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2: a 2 |
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3: a 3 |
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4: a 4 |
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5: a 5 |
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6: a 6 |
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7: a 7 |
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8: a 8 |
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9: a 9 |
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10: a 10 |
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explicit flags work too: |
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$ hg blame --pager=no a |
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0: a |
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1: a 1 |
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2: a 2 |
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3: a 3 |
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4: a 4 |
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5: a 5 |
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6: a 6 |
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283 |
7: a 7 |
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284 |
8: a 8 |
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285 |
9: a 9 |
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286 |
10: a 10 |
31000
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287 |
|
32541
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288 |
A command with --output option: |
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289 |
|
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290 |
$ hg cat -r0 a |
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291 |
paged! 'a\n' |
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292 |
$ hg cat -r0 a --output=- |
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293 |
paged! 'a\n' |
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294 |
$ hg cat -r0 a --output=out |
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295 |
$ rm out |
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296 |
|
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297 |
Put annotate in the ignore list for pager: |
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298 |
$ cat >> $HGRCPATH <<EOF |
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|
299 |
> [pager] |
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300 |
> ignore = annotate |
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301 |
> EOF |
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|
302 |
$ hg blame a |
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|
303 |
0: a |
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|
304 |
1: a 1 |
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|
305 |
2: a 2 |
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|
306 |
3: a 3 |
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|
307 |
4: a 4 |
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|
308 |
5: a 5 |
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|
309 |
6: a 6 |
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|
310 |
7: a 7 |
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|
311 |
8: a 8 |
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|
312 |
9: a 9 |
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|
313 |
10: a 10 |
31954
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pager: set some environment variables if they're not set
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|
314 |
|
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|
315 |
Environment variables like LESS and LV are set automatically: |
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|
316 |
$ cat > $TESTTMP/printlesslv.py <<EOF |
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317 |
> import os, sys |
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318 |
> sys.stdin.read() |
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|
319 |
> for name in ['LESS', 'LV']: |
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320 |
> sys.stdout.write(('%s=%s\n') % (name, os.environ.get(name, '-'))) |
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|
321 |
> sys.stdout.flush() |
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|
322 |
> EOF |
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|
323 |
|
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|
324 |
$ cat >> $HGRCPATH <<EOF |
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|
325 |
> [alias] |
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|
326 |
> noop = log -r 0 -T '' |
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|
327 |
> [ui] |
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|
328 |
> formatted=1 |
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|
329 |
> [pager] |
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|
330 |
> pager = $PYTHON $TESTTMP/printlesslv.py |
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|
331 |
> EOF |
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|
332 |
$ unset LESS |
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|
333 |
$ unset LV |
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|
334 |
$ hg noop --pager=on |
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|
335 |
LESS=FRX |
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|
336 |
LV=-c |
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|
337 |
$ LESS=EFGH hg noop --pager=on |
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|
338 |
LESS=EFGH |
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|
339 |
LV=-c |