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2016-11-01cocci: avoid self-references in object_id transformationsLibravatar René Scharfe1-0/+15
The object_id functions oid_to_hex, oid_to_hex_r, oidclr, oidcmp, and oidcpy are defined as wrappers of their legacy counterparts sha1_to_hex, sha1_to_hex_r, hashclr, hashcmp, and hashcpy, respectively. Make sure that the Coccinelle transformations for converting legacy function calls are not applied to these wrappers themselves, which would result in tautological declarations. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-09-15contrib/coccinelle: fix semantic patch for oid_to_hex_r()Libravatar René Scharfe1-6/+6
Both sha1_to_hex_r() and oid_to_hex_r() take two parameters, so use two expressions in the semantic patch for transforming calls of the former to the latter one. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2016-06-28contrib/coccinelle: add basic Coccinelle transformsLibravatar brian m. carlson1-0/+95
Coccinelle (http://coccinelle.lip6.fr/) is a program which performs mechanical transformations on C programs using semantic patches. These semantic patches can be used to implement automatic refactoring and maintenance tasks. Add a set of basic semantic patches to convert common patterns related to the struct object_id transformation, as well as a README. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>