| pulkit |
| hg-reviewers |
This allows us to define a usable v2.
| Automatic diff as part of commit; lint not applicable. |
| Automatic diff as part of commit; unit tests not applicable. |
| Path | Packages | |||
|---|---|---|---|---|
| M | mercurial/localrepo.py (4 lines) | |||
| M | tests/test-requires.t (2 lines) |
| hgvfs.mkdir(b'store') | hgvfs.mkdir(b'store') | ||||
| # We create an invalid changelog outside the store so very old | # We create an invalid changelog outside the store so very old | ||||
| # Mercurial versions (which didn't know about the requirements | # Mercurial versions (which didn't know about the requirements | ||||
| # file) encounter an error on reading the changelog. This | # file) encounter an error on reading the changelog. This | ||||
| # effectively locks out old clients and prevents them from | # effectively locks out old clients and prevents them from | ||||
| # mucking with a repo in an unknown format. | # mucking with a repo in an unknown format. | ||||
| # | # | ||||
| # The revlog header has version 2, which won't be recognized by | # The revlog header has version 65535, which won't be recognized by | ||||
| # such old clients. | # such old clients. | ||||
| hgvfs.append( | hgvfs.append( | ||||
| b'00changelog.i', | b'00changelog.i', | ||||
| b'\0\0\0\2 dummy changelog to prevent using the old repo ' | b'\0\0\xFF\xFF dummy changelog to prevent using the old repo ' | ||||
| b'layout', | b'layout', | ||||
| ) | ) | ||||
| # Filter the requirements into working copy and store ones | # Filter the requirements into working copy and store ones | ||||
| wcreq, storereq = scmutil.filterrequirements(requirements) | wcreq, storereq = scmutil.filterrequirements(requirements) | ||||
| # write working copy ones | # write working copy ones | ||||
| scmutil.writerequires(hgvfs, wcreq) | scmutil.writerequires(hgvfs, wcreq) | ||||
| # If there are store requirements and the current repository | # If there are store requirements and the current repository | ||||
| $ hg init t | $ hg init t | ||||
| $ cd t | $ cd t | ||||
| $ echo a > a | $ echo a > a | ||||
| $ hg add a | $ hg add a | ||||
| $ hg commit -m test | $ hg commit -m test | ||||
| $ rm .hg/requires | $ rm .hg/requires | ||||
| $ hg tip | $ hg tip | ||||
| abort: unknown version (2) in revlog 00changelog.i | abort: unknown version (65535) in revlog 00changelog.i | ||||
| [50] | [50] | ||||
| $ echo indoor-pool > .hg/requires | $ echo indoor-pool > .hg/requires | ||||
| $ hg tip | $ hg tip | ||||
| abort: repository requires features unknown to this Mercurial: indoor-pool | abort: repository requires features unknown to this Mercurial: indoor-pool | ||||
| (see https://mercurial-scm.org/wiki/MissingRequirement for more information) | (see https://mercurial-scm.org/wiki/MissingRequirement for more information) | ||||
| [255] | [255] | ||||
| $ echo outdoor-pool >> .hg/requires | $ echo outdoor-pool >> .hg/requires | ||||
| $ hg tip | $ hg tip | ||||