git/line-range.c, branch v2.15.2

use SWAP macro

2017-01-30T22:17:00Z

Apply the semantic patch swap.cocci to convert hand-rolled swaps to use the macro SWAP. The resulting code is shorter and easier to read, the object code is effectively unchanged. The patch for object.c had to be hand-edited in order to preserve the comment before the change; Coccinelle tried to eat it for some reason. Signed-off-by: Rene Scharfe Signed-off-by: Junio C Hamano

line-range: reject -L line numbers less than 1

2013-08-06T21:48:55Z

Since inception, git-blame -L has been documented as accepting 1-based line numbers. When handed a line number less than 1, -L's behavior is undocumented and undefined; it's also nonsensical and should be diagnosed as an error. Do so. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

line-range: teach -L^:RE to search from start of file

2013-08-06T21:48:02Z

The -L:RE option of blame/log searches from the end of the previous -L range, if any. Add new notation -L^:RE to override this behavior and search from start of file. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

line-range: teach -L:RE to search from end of previous -L range

2013-08-06T21:47:34Z

For consistency with -L/RE/, teach -L:RE to search relative to the end of the previous -L range, if any. The new behavior invalidates one test in t4211 which assumes that -L:RE begins searching at start of file. This test will be resurrected in a follow-up patch which teaches -L:RE how to override the default relative search behavior. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

line-range: teach -L^/RE/ to search from start of file

2013-08-06T21:47:04Z

The -L/RE/ option of blame/log searches from the end of the previous -L range, if any. Add new notation -L^/RE/ to override this behavior and search from start of file. The new ^/RE/ syntax is valid only as the argument of -L,. The argument, as usual, is relative to . Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

line-range: teach -L/RE/ to search relative to anchor point

2013-08-06T21:36:34Z

Range specification -L/RE/ for blame/log unconditionally begins searching at line one. Mailing list discussion [1] suggests that, in the presence of multiple -L options, -L/RE/ should search relative to the endpoint of the previous -L range, if any. Teach the parsing machinery underlying blame's and log's -L options to accept a start point for -L/RE/ searches. Follow-up patches will upgrade blame and log to take advantage of this ability. [1]: http://thread.gmane.org/gmane.comp.version-control.git/229755/focus=229966 Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

blame: reject empty ranges -L,+0 and -L,-0

2013-08-05T18:54:32Z

Empty ranges -L,+0 and -L,-0 are nonsensical in the context of blame yet they are accepted (in fact, both are interpreted as -L1,Y where Y is end-of-file). Report them as invalid. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

blame: reject empty ranges -LX,+0 and -LX,-0

2013-08-05T18:54:32Z

Empty ranges -LX,+0 and -LX,-0 are nonsensical in the context of blame yet they are accepted (in fact, both are interpreted as -LX,+2). Report them as invalid. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

line-range: fix "blame -L X,-N" regression

2013-07-18T01:02:12Z

"blame -L X,-N" is documented as blaming "N lines ending at X". In practice, the behavior is achieved by swapping the two range endpoints if the second is less than the first. 25ed3412 (Refactor parse_loc; 2013-03-28) broke this interpretation by removing the swapping code from blame.c and failing to add it to line-range.c along with other code relocated from blame.c. Thus, such a range is effectively treated as empty. Fix this regression. Signed-off-by: Eric Sunshine Signed-off-by: Junio C Hamano

log -L: :pattern:file syntax to find by funcname

2013-03-28T17:30:04Z

This new syntax finds a funcname matching /pattern/, and then takes from there up to (but not including) the next funcname. So you can say git log -L:main:main.c and it will dig up the main() function and show its line-log, provided there are no other funcnames matching 'main'. Signed-off-by: Thomas Rast Signed-off-by: Junio C Hamano